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authorKaleb S. KEITHLEY <kkeithle@redhat.com>2017-01-20 11:11:46 -0500
committerShyamsundar Ranganathan <srangana@redhat.com>2018-05-09 17:41:37 +0000
commit641355a0fe5ae18d983ce91b46ecafd50d6eb5c1 (patch)
tree183fd289b55027e991e8c1a6060d5dad5f5d984c
parent98d3de5ce7b517cb2dfdd58b4111c26e6cefaf00 (diff)
core: remove experimental xlators and associated tests
experimental xlators removed from 4.1 Signed-off-by: ShyamsundarR <srangana@redhat.com> Change-Id: I34419ce22ca09b7626b8f9382c377a614fd9fed8 Updates: bz#1575386
-rw-r--r--configure.ac32
-rw-r--r--glusterfs.spec.in15
-rw-r--r--tests/basic/jbr/jbr-volgen.t39
-rwxr-xr-xtests/basic/jbr/jbr.t38
-rw-r--r--tests/features/fdl-overflow.t72
-rw-r--r--tests/features/fdl.t44
-rw-r--r--tests/features/recon.t59
-rw-r--r--xlators/Makefile.am8
-rw-r--r--xlators/experimental/Makefile.am3
-rw-r--r--xlators/experimental/README.md107
-rw-r--r--xlators/experimental/dht2/Makefile.am3
-rw-r--r--xlators/experimental/dht2/README.md47
-rw-r--r--xlators/experimental/dht2/TODO.md3
-rw-r--r--xlators/experimental/dht2/dht2-client/Makefile.am3
-rw-r--r--xlators/experimental/dht2/dht2-client/src/Makefile.am21
-rw-r--r--xlators/experimental/dht2/dht2-client/src/dht2-client-main.c59
-rw-r--r--xlators/experimental/dht2/dht2-common/src/dht2-common-map.c19
-rw-r--r--xlators/experimental/dht2/dht2-server/Makefile.am3
-rw-r--r--xlators/experimental/dht2/dht2-server/src/Makefile.am23
-rw-r--r--xlators/experimental/dht2/dht2-server/src/dht2-server-main.c59
-rw-r--r--xlators/experimental/fdl/Makefile.am3
-rw-r--r--xlators/experimental/fdl/src/Makefile.am48
-rw-r--r--xlators/experimental/fdl/src/dump-tmpl.c187
-rw-r--r--xlators/experimental/fdl/src/fdl-tmpl.c536
-rw-r--r--xlators/experimental/fdl/src/fdl.h30
-rwxr-xr-xxlators/experimental/fdl/src/gen_dumper.py117
-rwxr-xr-xxlators/experimental/fdl/src/gen_fdl.py354
-rwxr-xr-xxlators/experimental/fdl/src/gen_recon.py218
-rw-r--r--xlators/experimental/fdl/src/logdump.c50
-rw-r--r--xlators/experimental/fdl/src/recon-tmpl.c304
-rw-r--r--xlators/experimental/fdl/src/recon.c89
-rw-r--r--xlators/experimental/jbr-client/Makefile.am3
-rw-r--r--xlators/experimental/jbr-client/src/Makefile.am34
-rw-r--r--xlators/experimental/jbr-client/src/fop-template.c113
-rwxr-xr-xxlators/experimental/jbr-client/src/gen-fops.py58
-rw-r--r--xlators/experimental/jbr-client/src/jbr-messages.h39
-rw-r--r--xlators/experimental/jbr-client/src/jbrc.c320
-rw-r--r--xlators/experimental/jbr-client/src/jbrc.h27
-rw-r--r--xlators/experimental/jbr-server/Makefile.am3
-rw-r--r--xlators/experimental/jbr-server/src/Makefile.am39
-rw-r--r--xlators/experimental/jbr-server/src/all-templates.c542
-rwxr-xr-xxlators/experimental/jbr-server/src/gen-fops.py181
-rw-r--r--xlators/experimental/jbr-server/src/jbr-internal.h117
-rw-r--r--xlators/experimental/jbr-server/src/jbr.c1749
-rw-r--r--xlators/experimental/posix2/Makefile.am3
-rw-r--r--xlators/experimental/posix2/README.md7
-rw-r--r--xlators/experimental/posix2/TODO.md3
-rw-r--r--xlators/experimental/posix2/common/Makefile.am3
-rw-r--r--xlators/experimental/posix2/common/src/Makefile.am16
-rw-r--r--xlators/experimental/posix2/common/src/posix2-common.c18
-rw-r--r--xlators/experimental/posix2/ds/Makefile.am3
-rw-r--r--xlators/experimental/posix2/ds/src/Makefile.am22
-rw-r--r--xlators/experimental/posix2/ds/src/posix2-ds-main.c59
-rw-r--r--xlators/experimental/posix2/mds/Makefile.am3
-rw-r--r--xlators/experimental/posix2/mds/src/Makefile.am22
-rw-r--r--xlators/experimental/posix2/mds/src/posix2-mds-main.c59
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volume-set.c22
57 files changed, 2 insertions, 6056 deletions
diff --git a/configure.ac b/configure.ac
index b818d3f..5c59871 100644
--- a/configure.ac
+++ b/configure.ac
@@ -124,8 +124,6 @@ AC_CONFIG_FILES([Makefile
xlators/features/arbiter/src/Makefile
xlators/features/thin-arbiter/Makefile
xlators/features/thin-arbiter/src/Makefile
- xlators/experimental/fdl/Makefile
- xlators/experimental/fdl/src/Makefile
xlators/features/changelog/Makefile
xlators/features/changelog/src/Makefile
xlators/features/changelog/lib/Makefile
@@ -199,23 +197,6 @@ AC_CONFIG_FILES([Makefile
xlators/mgmt/Makefile
xlators/mgmt/glusterd/Makefile
xlators/mgmt/glusterd/src/Makefile
- xlators/experimental/Makefile
- xlators/experimental/jbr-client/Makefile
- xlators/experimental/jbr-client/src/Makefile
- xlators/experimental/jbr-server/Makefile
- xlators/experimental/jbr-server/src/Makefile
- xlators/experimental/dht2/Makefile
- xlators/experimental/dht2/dht2-client/Makefile
- xlators/experimental/dht2/dht2-client/src/Makefile
- xlators/experimental/dht2/dht2-server/Makefile
- xlators/experimental/dht2/dht2-server/src/Makefile
- xlators/experimental/posix2/Makefile
- xlators/experimental/posix2/ds/Makefile
- xlators/experimental/posix2/ds/src/Makefile
- xlators/experimental/posix2/mds/Makefile
- xlators/experimental/posix2/mds/src/Makefile
- xlators/experimental/posix2/common/Makefile
- xlators/experimental/posix2/common/src/Makefile
cli/Makefile
cli/src/Makefile
doc/Makefile
@@ -1498,18 +1479,6 @@ AC_SUBST(UNITTEST_LDFLAGS)
AC_SUBST(CFLAGS)
# end enable debug section
-# experimental section
-AC_ARG_ENABLE([experimental],
- AC_HELP_STRING([--disable-experimental],
- [Disable building experimental xlators]))
-
-BUILD_EXPERIMENTAL="yes"
-if test "x$enable_experimental" = "xno"; then
- BUILD_EXPERIMENTAL="no"
-fi
-AM_CONDITIONAL([ENABLE_EXPERIMENTAL], [test x$BUILD_EXPERIMENTAL = xyes])
-#end experimental section
-
# EC dynamic code generation section
EC_DYNAMIC_SUPPORT="none"
@@ -1693,7 +1662,6 @@ echo "POSIX ACLs : $BUILD_POSIX_ACLS"
echo "Data Classification : $BUILD_GFDB"
echo "SELinux features : $USE_SELINUX"
echo "firewalld-config : $BUILD_FIREWALLD"
-echo "Experimental xlators : $BUILD_EXPERIMENTAL"
echo "Events : $BUILD_EVENTS"
echo "EC dynamic support : $EC_DYNAMIC_SUPPORT"
echo "Use memory pools : $USE_MEMPOOL"
diff --git a/glusterfs.spec.in b/glusterfs.spec.in
index c03577d..57f8da7 100644
--- a/glusterfs.spec.in
+++ b/glusterfs.spec.in
@@ -1108,10 +1108,6 @@ exit 0
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/performance/nl-cache.so
%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/system
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/system/posix-acl.so
-%if 0%{?!_without_server:1}
-%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental
- %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental/fdl.so
-%endif
%dir %attr(0775,gluster,gluster) %{_rundir}/gluster
%if 0%{?_tmpfilesdir:1} && 0%{!?_without_server:1}
%{_tmpfilesdir}/gluster.conf
@@ -1163,8 +1159,6 @@ exit 0
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/cluster/*.so
%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/protocol
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/protocol/client.so
-%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental
- %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental/dht2c.so
%files extra-xlators
%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator
@@ -1320,7 +1314,6 @@ exit 0
%{_mandir}/man8/gluster-setgfid2path.8*
# xlators
- %{_libdir}/libposix2common.so
%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator
%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/features
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/features/arbiter.so
@@ -1351,12 +1344,6 @@ exit 0
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/storage/posix.so
%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/performance
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/performance/decompounder.so
-%dir %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental
- %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental/jbrc.so
- %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental/jbr.so
- %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental/dht2s.so
- %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental/posix2-ds.so
- %{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/experimental/posix2-mds.so
# snap_scheduler
%{_sbindir}/snap_scheduler.py
@@ -1443,8 +1430,6 @@ exit 0
%{_prefix}/lib/firewalld/services/glusterfs.xml
%endif
-%{_sbindir}/gf_logdump
-%{_sbindir}/gf_recon
# end of server files
%endif
diff --git a/tests/basic/jbr/jbr-volgen.t b/tests/basic/jbr/jbr-volgen.t
deleted file mode 100644
index f368710..0000000
--- a/tests/basic/jbr/jbr-volgen.t
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/bash
-
-. $(dirname $0)/../../include.rc
-. $(dirname $0)/../../volume.rc
-
-volfiles=${GLUSTERD_WORKDIR}/vols/${V0}/
-check_brick_volfiles () {
- for vf in ${volfiles}${V0}.$(hostname).*.vol; do
- grep -qs experimental/jbr $vf || return
- # At least for now, nothing else would put a client translator
- # in a brick volfile.
- grep -qs protocol/client $vf || return
- done
- echo "OK"
-}
-
-TEST glusterd
-TEST pidof glusterd
-
-TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{1,2}
-TEST $CLI volume set $V0 cluster.jbr on
-
-# Check that the client volfile got modified properly.
-TEST grep -qs experimental/jbrc ${volfiles}${V0}.tcp-fuse.vol
-
-# Check that the brick volfiles got modified as well.
-EXPECT "OK" check_brick_volfiles
-
-# Put things back and make sure the "undo" worked.
-TEST $CLI volume set $V0 cluster.jbr off
-TEST $CLI volume start $V0
-TEST $GFS -s $H0 --volfile-id $V0 $M0
-echo hello > $M0/probe
-EXPECT hello cat ${B0}/${V0}1/probe
-EXPECT hello cat ${B0}/${V0}2/probe
-
-cleanup
-#G_TESTDEF_TEST_STATUS_CENTOS6=KNOWN_ISSUE,BUG=1385758
-#G_TESTDEF_TEST_STATUS_NETBSD7=KNOWN_ISSUE,BUG=1385758
diff --git a/tests/basic/jbr/jbr.t b/tests/basic/jbr/jbr.t
deleted file mode 100755
index 605344b..0000000
--- a/tests/basic/jbr/jbr.t
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/bash
-
-. $(dirname $0)/../../include.rc
-. $(dirname $0)/../../volume.rc
-. $(dirname $0)/../../cluster.rc
-. $(dirname $0)/../../snapshot.rc
-. $(dirname $0)/../../fdl.rc
-
-cleanup;
-
-TEST verify_lvm_version;
-#Create cluster with 3 nodes
-TEST launch_cluster 3;
-TEST setup_lvm 3
-
-TEST $CLI_1 peer probe $H2;
-TEST $CLI_1 peer probe $H3;
-EXPECT_WITHIN $PROBE_TIMEOUT 2 peer_count;
-
-TEST $CLI_1 volume create $V0 replica 3 $H1:$L1 $H2:$L2 $H3:$L3
-TEST $CLI_1 volume set $V0 cluster.jbr on
-TEST $CLI_1 volume set $V0 cluster.jbr.quorum-percent 100
-TEST $CLI_1 volume set $V0 features.fdl on
-#TEST $CLI_1 volume set $V0 diagnostics.brick-log-level DEBUG
-TEST $CLI_1 volume start $V0
-
-TEST glusterfs --volfile-id=$V0 --volfile-server=$H1 --entry-timeout=0 $M0;
-
-EXPECT_WITHIN $CHILD_UP_TIMEOUT "3" jbrc_child_up_status $V0 0
-
-echo "file" > $M0/file1
-TEST stat $L1/file1
-TEST stat $L2/file1
-TEST stat $L3/file1
-
-cleanup;
-#G_TESTDEF_TEST_STATUS_CENTOS6=KNOWN_ISSUE,BUG=1385758
-#G_TESTDEF_TEST_STATUS_NETBSD7=KNOWN_ISSUE,BUG=1385758
diff --git a/tests/features/fdl-overflow.t b/tests/features/fdl-overflow.t
deleted file mode 100644
index 34b941d..0000000
--- a/tests/features/fdl-overflow.t
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/bin/bash
-
-. $(dirname $0)/../include.rc
-. $(dirname $0)/../volume.rc
-. $(dirname $0)/../fdl.rc
-
-_check_sizes () {
- local n=0
- local sz
- local total_sz=0
-
- # We don't care about the sizes of the meta files. That would be
- # embedding too much of the implementation into the test.
- n=$(ls ${log_base}/${log_id}-meta-*.jnl | wc -l)
- [ $n = 2 ] || return 1
-
- # We *do* care about the sizes of the data files, which should exactly
- # reflect the amount of data written via dd.
- n=0
- while read sz name; do
- G_LOG "found journal ${name} size ${sz}MB"
- n=$((n+1))
- total_sz=$((total_sz+sz))
- done < <(du -sm ${log_base}/${log_id}-data-*.jnl)
- [ $n = 2 ] || return 1
- # On our CentOS and NetBSD regression-test systems, but not on my Fedora
- # development system, each file ends up being slightly larger than its
- # data size because of metadata, and 'du' rounds that up to a full extra
- # megabyte. We'll allow either result, because what we're really
- # looking for is a complete failure to roll over from one file to
- # another at the appropriate size.
- [ $total_sz = 20 -o $total_sz = $((n+20)) ] || return 1
-
- return 0
-}
-
-check_sizes () {
- set -x
- _check_sizes
- ret=$?
- set +x
- return ret
-}
-
-if [ x"$OSTYPE" = x"NetBSD" ]; then
- CREAT_OFLAG="creat,"
-else
- CREAT_OFLAG=""
-fi
-
-TEST rm -f ${log_base}/${log_id}-*.log
-TEST glusterd
-TEST pidof glusterd
-
-# Get a simple volume set up and mounted with FDL active.
-TEST $CLI volume create $V0 ${H0}:${B0}/${V0}-0
-TEST $CLI volume set $V0 changelog.changelog off
-TEST $CLI volume set $V0 features.fdl on
-TEST $CLI volume start $V0
-TEST $GFS -s $H0 --volfile-id $V0 $M0
-
-# Generate some I/O and unmount/stop so we can see log sizes.
-TEST dd if=/dev/zero of=$M0/twentyMB bs=1048576 count=20 \
- oflag=${CREAT_OFLAG}sync
-TEST umount $M0
-TEST $CLI volume stop $V0
-
-TEST _check_sizes
-
-cleanup
-#G_TESTDEF_TEST_STATUS_CENTOS6=KNOWN_ISSUE,BUG=1385758
-#G_TESTDEF_TEST_STATUS_NETBSD7=KNOWN_ISSUE,BUG=1385758
diff --git a/tests/features/fdl.t b/tests/features/fdl.t
deleted file mode 100644
index 5a3c13f..0000000
--- a/tests/features/fdl.t
+++ /dev/null
@@ -1,44 +0,0 @@
-#!/bin/bash
-
-. $(dirname $0)/../include.rc
-. $(dirname $0)/../volume.rc
-. $(dirname $0)/../fdl.rc
-
-if [ x"$OSTYPE" = x"NetBSD" ]; then
- CREAT_OFLAG="creat,"
-else
- CREAT_OFLAG=""
-fi
-
-TEST rm -f $FDL_META_FILE $FDL_DATA_FILE
-TEST glusterd
-TEST pidof glusterd
-
-# Get a simple volume set up and mounted with FDL active.
-TEST $CLI volume create $V0 ${H0}:${B0}/${V0}-0
-TEST $CLI volume set $V0 changelog.changelog off
-TEST $CLI volume set $V0 features.fdl on
-TEST $CLI volume start $V0
-TEST $GFS -s $H0 --volfile-id $V0 $M0
-
-# Generate some I/O and unmount.
-TEST mkdir -p $M0/abc/def
-TEST dd if=/dev/zero of=$M0/abc/def/ghi bs=128 count=2 \
- oflag=${CREAT_OFLAG}sync
-TEST chmod 314 $M0/abc/def/ghi
-TEST rm -rf $M0/abc
-TEST umount $M0
-
-# Check that gf_logdump works, and shows the ops we just issued. There will be
-# more SETATTR ops than the one corresponding to our chmod, because some are
-# issued internally. We have to guess a bit about where the log will be.
-TEST check_logfile GF_FOP_MKDIR 2
-TEST check_logfile GF_FOP_CREATE 1
-TEST check_logfile GF_FOP_WRITE 2
-TEST check_logfile GF_FOP_SETATTR 1
-TEST check_logfile GF_FOP_UNLINK 1
-TEST check_logfile GF_FOP_RMDIR 2
-
-cleanup
-#G_TESTDEF_TEST_STATUS_CENTOS6=KNOWN_ISSUE,BUG=1385758
-#G_TESTDEF_TEST_STATUS_NETBSD7=KNOWN_ISSUE,BUG=1385758
diff --git a/tests/features/recon.t b/tests/features/recon.t
deleted file mode 100644
index 82ef6fd..0000000
--- a/tests/features/recon.t
+++ /dev/null
@@ -1,59 +0,0 @@
-#!/bin/bash
-
-. $(dirname $0)/../traps.rc
-. $(dirname $0)/../include.rc
-. $(dirname $0)/../volume.rc
-. $(dirname $0)/../fdl.rc
-
-tmpdir=$(mktemp -d -t ${0##*/}.XXXXXX)
-push_trapfunc "rm -rf $tmpdir"
-
-write_file () {
- echo "peekaboo" > $1
-}
-
-TEST rm -f $FDL_META_FILE $FDL_DATA_FILE
-TEST glusterd
-TEST pidof glusterd
-
-# Get a simple volume set up and mounted with FDL active.
-TEST $CLI volume create $V0 ${H0}:${B0}/${V0}-0
-TEST $CLI volume set $V0 features.fdl on
-TEST $CLI volume start $V0
-TEST $GFS -s $H0 --volfile-id $V0 $M0
-
-# Generate some I/O and then copy off the journal files for later.
-TEST mkdir -p $M0/abc/def
-TEST write_file $M0/abc/def/ghi
-#EST chmod 314 $M0/abc/def/ghi
-cp ${FDL_META_FILE} ${FDL_DATA_FILE} ${tmpdir}
-
-# Get back to an empty state and unmount.
-TEST rm -rf $M0/abc
-TEST umount $M0
-
-# Make sure we really are in an empty state. Otherwise the tests below could
-# pass just because we never cleaned up in the first place.
-TEST [ ! -d ${B0}/${V0}-0/abc ]
-
-# Create a stub volfile.
-vol_file=${GLUSTERD_WORKDIR}/vols/${V0}/${V0}.${H0}.${log_id}.vol
-vol_id_line=$(grep volume-id ${vol_file})
-cat > ${tmpdir}/recon.vol << EOF
-volume recon-posix
- type storage/posix
- option directory ${B0}/${V0}-0
-${vol_id_line}
-end-volume
-EOF
-
-TEST gf_recon ${tmpdir}/recon.vol ${tmpdir}/$(basename ${FDL_META_FILE}) \
- ${tmpdir}/$(basename ${FDL_DATA_FILE})
-
-TEST [ -d ${B0}/${V0}-0/abc/def ]
-EXPECT "peekaboo" cat ${B0}/${V0}-0/abc/def/ghi
-# TBD: test permissions, xattrs
-
-cleanup
-#G_TESTDEF_TEST_STATUS_CENTOS6=KNOWN_ISSUE,BUG=1385758
-#G_TESTDEF_TEST_STATUS_NETBSD7=KNOWN_ISSUE,BUG=1385758
diff --git a/xlators/Makefile.am b/xlators/Makefile.am
index 876a31f..29549db 100644
--- a/xlators/Makefile.am
+++ b/xlators/Makefile.am
@@ -1,16 +1,12 @@
-if ENABLE_EXPERIMENTAL
- EXPERIMENTAL = experimental
-endif
-
if BUILD_GNFS
GNFS_DIR = nfs
endif
DIST_SUBDIRS = cluster storage protocol performance debug features encryption \
- mount nfs mgmt system playground meta experimental
+ mount nfs mgmt system playground meta
SUBDIRS = cluster storage protocol performance debug features encryption \
- mount ${GNFS_DIR} mgmt system playground meta $(EXPERIMENTAL)
+ mount ${GNFS_DIR} mgmt system playground meta
EXTRA_DIST = xlator.sym
diff --git a/xlators/experimental/Makefile.am b/xlators/experimental/Makefile.am
deleted file mode 100644
index a530845..0000000
--- a/xlators/experimental/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = jbr-client jbr-server fdl dht2 posix2
-
-CLEANFILES =
diff --git a/xlators/experimental/README.md b/xlators/experimental/README.md
deleted file mode 100644
index b00f24e..0000000
--- a/xlators/experimental/README.md
+++ /dev/null
@@ -1,107 +0,0 @@
-# Purpose of this directory
-
-This directory is created to host experimental gluster translators. A new
-translator that is *experimental* in nature, would need to create its own
-subdirectory under this directory, to host/publish its work.
-
-Example:
- The first commit should include the following changes
- 1. xlators/experimental/Makefile.am
- NOTE: Add foobar to the list of SUBDIRS here
- 2. xlators/experimental/foobar
- 3. xlators/experimental/foobar/Makefle.am
- NOTE: Can be empty initially in the first commit
- 4. configure.ac
- NOTE: Include your experimental Makefile under AC_CONFIG_FILES
- 5. xlators/experimental/foobar/README.md
- NOTE: The readme should cover details as required for the translator to be
- accepted as experimental, primarily including a link to the specification
- under the gluster-specs repository [1]. Later the readme should suffice
- as an entry point for developers and users alike, who wish to experiment
- with the xlator under development
- 6. xlators/experimental/foobar/TODO.md
- NOTE: This is a list of TODO's identified during the development process
- that needs addressing over time. These include exceptions granted during
- the review process, for things not addressed when commits are merged into
- the repository
-
-# Why is it provided
-
-Quite often translator development that happens out of tree, does not get
-enough eyeballs early in its development phase, has not undergone CI
-(regression/continuous integration testing), and at times is not well integrated
-with the rest of gluster stack.
-
-Also, when such out of tree translators are submitted for acceptance, it is a
-bulk commit that makes review difficult and inefficient. Such submissions also
-have to be merged forward, and depending on the time spent in developing the
-translator the master branch could have moved far ahead, making this a painful
-activity.
-
-Experimental is born out of such needs, to provide xlator developers,
- - Early access to CI
- - Ability to adapt to ongoing changes in other parts of gluster
- - More eye balls on the code and design aspects of the translator
- - TBD: What else?
-
-and for maintainers,
- - Ability to look at smaller change sets in the review process
- - Ability to verify/check implementation against the specification provided
-
-# General rules
-
-1. If a new translator is added under here it should, at the very least, pass
-compilation.
-
-2. All translators under the experimental directory are shipped as a part of
-gluster-experimental RPMs.
-TBD: Spec file and other artifacts for the gluster-experimental RPM needs to be
-fleshed out.
-
-3. Experimental translators can leverage the CI framework as needed. Tests need
-to be hosted under xlators/experimental/tests initially, and later moved to the
-appropriate tests/ directory as the xlator matures. It is encouraged to provide
-tests for each commit or series of commits, so that code and tests can be
-inspected together.
-
-4. If any experimental translator breaks CI, it is quarantined till demonstrable
-proof towards the contrary is provided. This is applicable as tests are moved
-out of experimental tests directory to the CI framework directory, as otherwise
-experimental tests are not a part of regular CI regression runs.
-
-5. An experimental translator need not function at all, as a result commits can
-be merged pretty much at will as long as other rules as stated are not violated.
-
-6. Experimental submissions will be assigned a existing maintainer, to aid
-merging commits and ensure aspects of gluster code submissions are respected.
-When an experimental xlator is proposed and the first commit posted
-a mail to gluster-devel@gluster.org requesting attention, will assign the
-maintainer buddy for the submission.
-NOTE: As we scale, this may change.
-
-6. More?
-
-# Getting out of the experimental jail
-
-So you now think your xlator is ready to leave experimental and become part of
-mainline!
-- TBD: guidelines pending.
-
-# FAQs
-
-1. How do I submit/commit experimental framework changes outside of my
-experimental xlator?
- - Provide such framework changes as a separate commit
- - Conditionally ensure these are built or activated only when the experimental
- feature is activated, so as to prevent normal gluster workflow to function as
- before
- - TBD: guidelines and/or examples pending.
-
-2. Ask your question either on gluster-devel@gluster.org or as a change request
-to this file in gluster gerrit [2] for an answer that will be assimilated into
-this readme.
-
-# Links
-[1] http://review.gluster.org/#/q/project:glusterfs-specs
-
-[2] http://review.gluster.org/#/q/project:glusterfs
diff --git a/xlators/experimental/dht2/Makefile.am b/xlators/experimental/dht2/Makefile.am
deleted file mode 100644
index 9d910a6..0000000
--- a/xlators/experimental/dht2/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = dht2-client dht2-server
-
-CLEANFILES =
diff --git a/xlators/experimental/dht2/README.md b/xlators/experimental/dht2/README.md
deleted file mode 100644
index 8f249a8..0000000
--- a/xlators/experimental/dht2/README.md
+++ /dev/null
@@ -1,47 +0,0 @@
-# DHT2 Experimental README
-
-DHT2 is the new distribution scheme being developed for Gluster, that
-aims to remove the subdirectory spread across all DHT subvolumes.
-
-As a result of this work, the Gluster backend file layouts and on disk
-representation of directories and files are modified, thus making DHT2
-volumes incompatible to existing DHT based Gluster deployments.
-
-This document presents interested users with relevant data to play around
-with DHT2 volumes and provide feedback towards the same.
-
-REMOVEME: Design details currently under review here,
- - http://review.gluster.org/#/c/13395/
-
-TODO: Add more information as relevant code is pulled in
-
-# Directory strucutre elaborated
-
-## dht2-server
-This directory contains code for the server side DHT2 xlator. This xlator is
-intended to run on the brick graph, and is responsible for FOP synchronization,
-redirection, transactions, and journal replays.
-
-NOTE: The server side code also handles changes to volume/cluster map and
-also any rebalance activities.
-
-## dht2-client
-This directory contains code for the client side DHT2 xlator. This xlator is
-intended to run on the client/access protocol/mount graph, and is responsible
-for FOP routing to the right DHT2 subvolume. It uses a volume/cluster wide map
-of the routing (layout), to achieve the same.
-
-## dht2-common
-This directory contains code that is used in common across other parts of DHT2.
-For example, FOP routing store/consult abstractions that are common across the
-client and server side of DHT2.
-
-## Issue: How to build dht2-common?
- 1. Build a shared object
- - We cannot ship this as a part of both the client xlator RPM
- 2. Build an archive
- - Symbol clashes? when both the client and server xlators are loaded as a
- part of the same graph
- 3. Compile with other parts of the code that needs it
- - Not a very different from (2) above
- - This is what is chosen at present, and maybe would be revised later
diff --git a/xlators/experimental/dht2/TODO.md b/xlators/experimental/dht2/TODO.md
deleted file mode 100644
index 1e2c53c..0000000
--- a/xlators/experimental/dht2/TODO.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# DHT2 TODO list
-
-<Items will be added as code is pulled into the repository>
diff --git a/xlators/experimental/dht2/dht2-client/Makefile.am b/xlators/experimental/dht2/dht2-client/Makefile.am
deleted file mode 100644
index a985f42..0000000
--- a/xlators/experimental/dht2/dht2-client/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/experimental/dht2/dht2-client/src/Makefile.am b/xlators/experimental/dht2/dht2-client/src/Makefile.am
deleted file mode 100644
index a16b9df..0000000
--- a/xlators/experimental/dht2/dht2-client/src/Makefile.am
+++ /dev/null
@@ -1,21 +0,0 @@
-xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/experimental
-xlator_LTLIBRARIES = dht2c.la
-
-dht2c_sources = dht2-client-main.c
-
-dht2common_sources = $(top_srcdir)/xlators/experimental/dht2/dht2-common/src/dht2-common-map.c
-
-dht2c_la_SOURCES = $(dht2c_sources) $(dht2common_sources)
-dht2c_la_LDFLAGS = -module -avoid-version
-dht2c_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-
-AM_CFLAGS = -Wall $(GF_CFLAGS)
-
-AM_CPPFLAGS = $(GF_CPPFLAGS)
-AM_CPPFLAGS += -I$(top_srcdir)/xlators/experimental/dht2/dht2-common/src/
-AM_CPPFLAGS += -I$(top_srcdir)/libglusterfs/src
-AM_CPPFLAGS += -I$(top_srcdir)/rpc/xdr/src
-AM_CPPFLAGS += -I$(top_builddir)/rpc/xdr/src
-AM_CPPFLAGS += -I$(top_srcdir)/xlators/lib/src
-
-CLEANFILES =
diff --git a/xlators/experimental/dht2/dht2-client/src/dht2-client-main.c b/xlators/experimental/dht2/dht2-client/src/dht2-client-main.c
deleted file mode 100644
index bd1d446..0000000
--- a/xlators/experimental/dht2/dht2-client/src/dht2-client-main.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-/* File: dht2-client-main.c
- * This file contains the xlator loading functions, FOP entry points
- * and options.
- * The entire functionality including comments is TODO.
- */
-
-#include "glusterfs.h"
-#include "xlator.h"
-#include "logging.h"
-#include "statedump.h"
-
-int32_t
-dht2_client_init (xlator_t *this)
-{
- if (!this->children) {
- gf_log (this->name, GF_LOG_ERROR,
- "Missing children in volume graph, this (%s) is"
- " not a leaf translator", this->name);
- return -1;
- }
-
- return 0;
-}
-
-void
-dht2_client_fini (xlator_t *this)
-{
- return;
-}
-
-class_methods_t class_methods = {
- .init = dht2_client_init,
- .fini = dht2_client_fini,
-};
-
-struct xlator_fops fops = {
-};
-
-struct xlator_cbks cbks = {
-};
-
-/*
-struct xlator_dumpops dumpops = {
-};
-*/
-
-struct volume_options options[] = {
- { .key = {NULL} },
-};
diff --git a/xlators/experimental/dht2/dht2-common/src/dht2-common-map.c b/xlators/experimental/dht2/dht2-common/src/dht2-common-map.c
deleted file mode 100644
index d959483..0000000
--- a/xlators/experimental/dht2/dht2-common/src/dht2-common-map.c
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-/* File: dht2-common-map.c
- * This file contains helper routines to store, consult, the volume map
- * for subvolume to GFID relations.
- * The entire functionality including comments is TODO.
- */
-
-#include "glusterfs.h"
-#include "logging.h"
-#include "statedump.h"
diff --git a/xlators/experimental/dht2/dht2-server/Makefile.am b/xlators/experimental/dht2/dht2-server/Makefile.am
deleted file mode 100644
index a985f42..0000000
--- a/xlators/experimental/dht2/dht2-server/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/experimental/dht2/dht2-server/src/Makefile.am b/xlators/experimental/dht2/dht2-server/src/Makefile.am
deleted file mode 100644
index 12d66d1..0000000
--- a/xlators/experimental/dht2/dht2-server/src/Makefile.am
+++ /dev/null
@@ -1,23 +0,0 @@
-if WITH_SERVER
-xlator_LTLIBRARIES = dht2s.la
-endif
-xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/experimental
-
-dht2s_sources = dht2-server-main.c
-
-dht2common_sources = $(top_srcdir)/xlators/experimental/dht2/dht2-common/src/dht2-common-map.c
-
-dht2s_la_SOURCES = $(dht2s_sources) $(dht2common_sources)
-dht2s_la_LDFLAGS = -module -avoid-version
-dht2s_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-
-AM_CFLAGS = -Wall $(GF_CFLAGS)
-
-AM_CPPFLAGS = $(GF_CPPFLAGS)
-AM_CPPFLAGS += -I$(top_srcdir)/xlators/experimental/dht2/dht2-common/src/
-AM_CPPFLAGS += -I$(top_srcdir)/libglusterfs/src
-AM_CPPFLAGS += -I$(top_srcdir)/rpc/xdr/src
-AM_CPPFLAGS += -I$(top_builddir)/rpc/xdr/src
-AM_CPPFLAGS += -I$(top_srcdir)/xlators/lib/src
-
-CLEANFILES =
diff --git a/xlators/experimental/dht2/dht2-server/src/dht2-server-main.c b/xlators/experimental/dht2/dht2-server/src/dht2-server-main.c
deleted file mode 100644
index 1f232cc..0000000
--- a/xlators/experimental/dht2/dht2-server/src/dht2-server-main.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-/* File: dht2-server-main.c
- * This file contains the xlator loading functions, FOP entry points
- * and options.
- * The entire functionality including comments is TODO.
- */
-
-#include "glusterfs.h"
-#include "xlator.h"
-#include "logging.h"
-#include "statedump.h"
-
-int32_t
-dht2_server_init (xlator_t *this)
-{
- if (!this->children) {
- gf_log (this->name, GF_LOG_ERROR,
- "Missing children in volume graph, this (%s) is"
- " not a leaf translator", this->name);
- return -1;
- }
-
- return 0;
-}
-
-void
-dht2_server_fini (xlator_t *this)
-{
- return;
-}
-
-class_methods_t class_methods = {
- .init = dht2_server_init,
- .fini = dht2_server_fini,
-};
-
-struct xlator_fops fops = {
-};
-
-struct xlator_cbks cbks = {
-};
-
-/*
-struct xlator_dumpops dumpops = {
-};
-*/
-
-struct volume_options options[] = {
- { .key = {NULL} },
-};
diff --git a/xlators/experimental/fdl/Makefile.am b/xlators/experimental/fdl/Makefile.am
deleted file mode 100644
index a985f42..0000000
--- a/xlators/experimental/fdl/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/experimental/fdl/src/Makefile.am b/xlators/experimental/fdl/src/Makefile.am
deleted file mode 100644
index da80ce2..0000000
--- a/xlators/experimental/fdl/src/Makefile.am
+++ /dev/null
@@ -1,48 +0,0 @@
-xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/experimental
-if WITH_SERVER
-xlator_LTLIBRARIES = fdl.la
-endif
-
-noinst_HEADERS = fdl.h
-
-nodist_fdl_la_SOURCES = fdl.c
-fdl_la_LDFLAGS = -module -avoid-version
-fdl_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-
-if WITH_SERVER
-sbin_PROGRAMS = gf_logdump gf_recon
-endif
-gf_logdump_SOURCES = logdump.c
-nodist_gf_logdump_SOURCES = libfdl.c
-gf_logdump_LDADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \
- $(top_builddir)/api/src/libgfapi.la $(GFAPI_LIBS) $(UUID_LIBS)
-
-# Eventually recon(ciliation) code will move elsewhere, but for now it's
-# easier to have it next to the similar logdump code.
-gf_recon_SOURCES = recon.c
-nodist_gf_recon_SOURCES = librecon.c
-gf_recon_LDADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \
- $(top_builddir)/api/src/libgfapi.la $(GFAPI_LIBS) $(UUID_LIBS)
-
-AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \
- -I$(top_srcdir)/rpc/xdr/src -I$(top_builddir)/rpc/xdr/src \
- -I$(top_srcdir)/api/src -fPIC \
- -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -D$(GF_HOST_OS) \
- -DDATADIR=\"$(localstatedir)\"
-
-AM_CFLAGS = -Wall $(GF_CFLAGS)
-
-noinst_PYTHON = gen_fdl.py gen_dumper.py gen_recon.py
-EXTRA_DIST = fdl-tmpl.c dump-tmpl.c recon-tmpl.c
-
-CLEANFILES = $(nodist_fdl_la_SOURCES) $(nodist_gf_logdump_SOURCES) \
- $(nodist_gf_recon_SOURCES)
-
-fdl.c: fdl-tmpl.c gen_fdl.py
- $(PYTHON) $(srcdir)/gen_fdl.py $(srcdir)/fdl-tmpl.c > $@
-
-libfdl.c: dump-tmpl.c gen_dumper.py
- $(PYTHON) $(srcdir)/gen_dumper.py $(srcdir)/dump-tmpl.c > $@
-
-librecon.c: recon-tmpl.c gen_recon.py
- $(PYTHON) $(srcdir)/gen_recon.py $(srcdir)/recon-tmpl.c > $@
diff --git a/xlators/experimental/fdl/src/dump-tmpl.c b/xlators/experimental/fdl/src/dump-tmpl.c
deleted file mode 100644
index 32b0fef..0000000
--- a/xlators/experimental/fdl/src/dump-tmpl.c
+++ /dev/null
@@ -1,187 +0,0 @@
-#pragma fragment PROLOG
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#include <ctype.h>
-#endif
-
-#include "glfs.h"
-#include "iatt.h"
-#include "xlator.h"
-#include "fdl.h"
-
-/*
- * Returns 0 if the string is ASCII printable *
- * and -1 if it's not ASCII printable *
- */
-int str_isprint (char *s)
-{
- int ret = -1;
-
- if (!s)
- goto out;
-
- while (s[0] != '\0') {
- if (!isprint(s[0]))
- goto out;
- else
- s++;
- }
-
- ret = 0;
-out:
- return ret;
-}
-
-#pragma fragment DICT
- {
- int key_len, data_len;
- char *key_ptr;
- char *key_val;
- printf ("@ARGNAME@ = dict {\n");
- for (;;) {
- key_len = *((int *)new_meta);
- new_meta += sizeof(int);
- if (!key_len) {
- break;
- }
- key_ptr = new_meta;
- new_meta += key_len;
- data_len = *((int *)new_meta);
- key_val = new_meta + sizeof(int);
- new_meta += sizeof(int) + data_len;
- if (str_isprint(key_val))
- printf (" %s = <%d bytes>\n",
- key_ptr, data_len);
- else
- printf (" %s = %s <%d bytes>\n",
- key_ptr, key_val, data_len);
- }
- printf ("}\n");
- }
-
-#pragma fragment DOUBLE
- printf ("@ARGNAME@ = @FORMAT@\n", *((uint64_t *)new_meta),
- *((uint64_t *)new_meta));
- new_meta += sizeof(uint64_t);
-
-#pragma fragment GFID
- printf ("@ARGNAME@ = <gfid %s>\n", uuid_utoa(*((uuid_t *)new_meta)));
- new_meta += 16;
-
-#pragma fragment INTEGER
- printf ("@ARGNAME@ = @FORMAT@\n", *((uint32_t *)new_meta),
- *((uint32_t *)new_meta));
- new_meta += sizeof(uint32_t);
-
-#pragma fragment LOC
- printf ("@ARGNAME@ = loc {\n");
- printf (" gfid = %s\n", uuid_utoa(*((uuid_t *)new_meta)));
- new_meta += 16;
- printf (" pargfid = %s\n", uuid_utoa(*((uuid_t *)new_meta)));
- new_meta += 16;
- if (*(new_meta++)) {
- printf (" name = %s\n", new_meta);
- new_meta += (strlen(new_meta) + 1);
- }
- printf ("}\n");
-
-#pragma fragment STRING
- if (*(new_meta++)) {
- printf ("@ARGNAME@ = %s\n", new_meta);
- new_meta += (strlen(new_meta) + 1);
- }
-
-#pragma fragment VECTOR
- {
- size_t len = *((size_t *)new_meta);
- new_meta += sizeof(len);
- printf ("@ARGNAME@ = <%zu bytes>\n", len);
- new_data += len;
- }
-
-#pragma fragment IATT
- {
- ia_prot_t *myprot = ((ia_prot_t *)new_meta);
- printf ("@ARGNAME@ = iatt {\n");
- printf (" ia_prot = %c%c%c",
- myprot->suid ? 'S' : '-',
- myprot->sgid ? 'S' : '-',
- myprot->sticky ? 'T' : '-');
- printf ("%c%c%c",
- myprot->owner.read ? 'r' : '-',
- myprot->owner.write ? 'w' : '-',
- myprot->owner.exec ? 'x' : '-');
- printf ("%c%c%c",
- myprot->group.read ? 'r' : '-',
- myprot->group.write ? 'w' : '-',
- myprot->group.exec ? 'x' : '-');
- printf ("%c%c%c\n",
- myprot->other.read ? 'r' : '-',
- myprot->other.write ? 'w' : '-',
- myprot->other.exec ? 'x' : '-');
- new_meta += sizeof(ia_prot_t);
- uint32_t *myints = (uint32_t *)new_meta;
- printf (" ia_uid = %u\n", myints[0]);
- printf (" ia_gid = %u\n", myints[1]);
- printf (" ia_atime = %u.%09u\n", myints[2], myints[3]);
- printf (" ia_mtime = %u.%09u\n", myints[4], myints[5]);
- new_meta += sizeof(*myints) * 6;
- }
-
-#pragma fragment FOP
-void
-fdl_dump_@NAME@ (char **old_meta, char **old_data)
-{
- char *new_meta = *old_meta;
- char *new_data = *old_data;
-
- /* TBD: word size/endianness */
-@FUNCTION_BODY@
-
- *old_meta = new_meta;
- *old_data = new_data;
-}
-
-#pragma fragment CASE
- case GF_FOP_@UPNAME@:
- printf ("=== GF_FOP_@UPNAME@\n");
- fdl_dump_@NAME@ (&new_meta, &new_data);
- break;
-
-#pragma fragment EPILOG
-int
-fdl_dump (char **old_meta, char **old_data)
-{
- char *new_meta = *old_meta;
- char *new_data = *old_data;
- static glfs_t *fs = NULL;
- int recognized = 1;
- event_header_t *eh;
-
- /*
- * We don't really call anything else in GFAPI, but this is the most
- * convenient way to satisfy all of the spurious dependencies on how it
- * or glusterfsd initialize (e.g. setting up THIS).
- */
- if (!fs) {
- fs = glfs_new ("dummy");
- }
-
- eh = (event_header_t *)new_meta;
- new_meta += sizeof (*eh);
-
- /* TBD: check event_type instead of assuming NEW_REQUEST */
-
- switch (eh->fop_type) {
-@SWITCH_BODY@
-
- default:
- printf ("unknown fop %u\n", eh->fop_type);
- recognized = 0;
- }
-
- *old_meta = new_meta;
- *old_data = new_data;
- return recognized;
-}
diff --git a/xlators/experimental/fdl/src/fdl-tmpl.c b/xlators/experimental/fdl/src/fdl-tmpl.c
deleted file mode 100644
index 145dad7..0000000
--- a/xlators/experimental/fdl/src/fdl-tmpl.c
+++ /dev/null
@@ -1,536 +0,0 @@
-/*
- Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include "call-stub.h"
-#include "iatt.h"
-#include "defaults.h"
-#include "syscall.h"
-#include "xlator.h"
-#include "fdl.h"
-
-/* TBD: make tunable */
-#define META_FILE_SIZE (1 << 20)
-#define DATA_FILE_SIZE (1 << 24)
-
-enum gf_fdl {
- gf_fdl_mt_fdl_private_t = gf_common_mt_end + 1,
- gf_fdl_mt_end
-};
-
-typedef struct {
- char *type;
- off_t size;
- char *path;
- int fd;
- void * ptr;
- off_t max_offset;
-} log_obj_t;
-
-typedef struct {
- struct list_head reqs;
- pthread_mutex_t req_lock;
- pthread_cond_t req_cond;
- char *log_dir;
- pthread_t worker;
- gf_boolean_t should_stop;
- gf_boolean_t change_term;
- log_obj_t meta_log;
- log_obj_t data_log;
- int term;
- int first_term;
-} fdl_private_t;
-
-int32_t
-fdl_ipc (call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata);
-
-void
-fdl_enqueue (xlator_t *this, call_stub_t *stub)
-{
- fdl_private_t *priv = this->private;
-
- pthread_mutex_lock (&priv->req_lock);
- list_add_tail (&stub->list, &priv->reqs);
- pthread_mutex_unlock (&priv->req_lock);
-
- pthread_cond_signal (&priv->req_cond);
-}
-
-#pragma generate
-
-char *
-fdl_open_term_log (xlator_t *this, log_obj_t *obj, int term)
-{
- fdl_private_t *priv = this->private;
- int ret;
- char * ptr = NULL;
-
- /*
- * Use .jnl instead of .log so that we don't get test info (mistakenly)
- * appended to our journal files.
- */
- if (this->ctx->cmd_args.log_ident) {
- ret = gf_asprintf (&obj->path, "%s/%s-%s-%d.jnl",
- priv->log_dir, this->ctx->cmd_args.log_ident,
- obj->type, term);
- }
- else {
- ret = gf_asprintf (&obj->path, "%s/fubar-%s-%d.jnl",
- priv->log_dir, obj->type, term);
- }
- if ((ret <= 0) || !obj->path) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to construct log-file path");
- goto err;
- }
-
- gf_log (this->name, GF_LOG_INFO, "opening %s (size %ld)",
- obj->path, obj->size);
-
- obj->fd = open (obj->path, O_RDWR|O_CREAT|O_TRUNC, 0666);
- if (obj->fd < 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to open log file (%s)", strerror(errno));
- goto err;
- }
-
-#if !defined(GF_BSD_HOST_OS)
- /*
- * NetBSD can just go die in a fire. Even though it claims to support
- * fallocate/posix_fallocate they don't actually *do* anything so the
- * file size remains zero. Then mmap succeeds anyway, but any access
- * to the mmap'ed region will segfault. It would be acceptable for
- * fallocate to do what it says, for mmap to fail, or for access to
- * extend the file. NetBSD managed to hit the trifecta of Getting
- * Everything Wrong, and debugging in that environment to get this far
- * has already been painful enough (systems I worked on in 1990 were
- * better that way). We'll fall through to the lseek/write method, and
- * performance will be worse, and TOO BAD.
- */
- if (sys_fallocate(obj->fd,0,0,obj->size) < 0)
-#endif
- {
- gf_log (this->name, GF_LOG_WARNING,
- "failed to fallocate space for log file");
- /* Have to do this the ugly page-faulty way. */
- (void) sys_lseek (obj->fd, obj->size-1, SEEK_SET);
- (void) sys_write (obj->fd, "", 1);
- }
-
- ptr = mmap (NULL, obj->size, PROT_WRITE, MAP_SHARED, obj->fd, 0);
- if (ptr == MAP_FAILED) {
- gf_log (this->name, GF_LOG_ERROR, "failed to mmap log (%s)",
- strerror(errno));
- goto err;
- }
-
- obj->ptr = ptr;
- obj->max_offset = 0;
- return ptr;
-
-err:
- if (obj->fd >= 0) {
- sys_close (obj->fd);
- obj->fd = (-1);
- }
- if (obj->path) {
- GF_FREE (obj->path);
- obj->path = NULL;
- }
- return ptr;
-}
-
-void
-fdl_close_term_log (xlator_t *this, log_obj_t *obj)
-{
- fdl_private_t *priv = this->private;
-
- if (obj->ptr) {
- (void) munmap (obj->ptr, obj->size);
- obj->ptr = NULL;
- }
-
- if (obj->fd >= 0) {
- gf_log (this->name, GF_LOG_INFO,
- "truncating term %d %s journal to %ld",
- priv->term, obj->type, obj->max_offset);
- if (sys_ftruncate(obj->fd,obj->max_offset) < 0) {
- gf_log (this->name, GF_LOG_WARNING,
- "failed to truncate journal (%s)",
- strerror(errno));
- }
- sys_close (obj->fd);
- obj->fd = (-1);
- }
-
- if (obj->path) {
- GF_FREE (obj->path);
- obj->path = NULL;
- }
-}
-
-gf_boolean_t
-fdl_change_term (xlator_t *this, char **meta_ptr, char **data_ptr)
-{
- fdl_private_t *priv = this->private;
-
- fdl_close_term_log (this, &priv->meta_log);
- fdl_close_term_log (this, &priv->data_log);
-
- ++(priv->term);
-
- *meta_ptr = fdl_open_term_log (this, &priv->meta_log, priv->term);
- if (!*meta_ptr) {
- return _gf_false;
- }
-
- *data_ptr = fdl_open_term_log (this, &priv->data_log, priv->term);
- if (!*data_ptr) {
- return _gf_false;
- }
-
- return _gf_true;
-}
-
-void *
-fdl_worker (void *arg)
-{
- xlator_t *this = arg;
- fdl_private_t *priv = this->private;
- call_stub_t *stub;
- char * meta_ptr = NULL;
- off_t *meta_offset = &priv->meta_log.max_offset;
- char * data_ptr = NULL;
- off_t *data_offset = &priv->data_log.max_offset;
- unsigned long base_as_ul;
- void * msync_ptr;
- size_t msync_len;
- gf_boolean_t recycle;
- void *err_label = &&err_unlocked;
-
- priv->meta_log.type = "meta";
- priv->meta_log.size = META_FILE_SIZE;
- priv->meta_log.path = NULL;
- priv->meta_log.fd = (-1);
- priv->meta_log.ptr = NULL;
-
- priv->data_log.type = "data";
- priv->data_log.size = DATA_FILE_SIZE;
- priv->data_log.path = NULL;
- priv->data_log.fd = (-1);
- priv->data_log.ptr = NULL;
-
- /* TBD: initial term should come from persistent storage (e.g. etcd) */
- priv->first_term = ++(priv->term);
- meta_ptr = fdl_open_term_log (this, &priv->meta_log, priv->term);
- if (!meta_ptr) {
- goto *err_label;
- }
- data_ptr = fdl_open_term_log (this, &priv->data_log, priv->term);
- if (!data_ptr) {
- fdl_close_term_log (this, &priv->meta_log);
- goto *err_label;
- }
-
- for (;;) {
- pthread_mutex_lock (&priv->req_lock);
- err_label = &&err_locked;
- while (list_empty(&priv->reqs)) {
- pthread_cond_wait (&priv->req_cond, &priv->req_lock);
- if (priv->should_stop) {
- goto *err_label;
- }
- if (priv->change_term) {
- if (!fdl_change_term(this, &meta_ptr,
- &data_ptr)) {
- goto *err_label;
- }
- priv->change_term = _gf_false;
- continue;
- }
- }
- stub = list_entry (priv->reqs.next, call_stub_t, list);
- list_del_init (&stub->list);
- pthread_mutex_unlock (&priv->req_lock);
- err_label = &&err_unlocked;
- /*
- * TBD: batch requests
- *
- * What we should do here is gather up *all* of the requests
- * that have accumulated since we were last at this point,
- * blast them all out in one big writev, and then dispatch them
- * all before coming back for more. That maximizes throughput,
- * at some cost to latency (due to queuing effects at the log
- * stage). Note that we're likely to be above io-threads, so
- * the dispatch itself will be parallelized (at further cost to
- * latency). For now, we just do the simplest thing and handle
- * one request all the way through before fetching the next.
- *
- * So, why mmap/msync instead of writev/fdatasync? Because it's
- * faster. Much faster. So much faster that I half-suspect
- * cheating, but it's more convenient for now than having to
- * ensure that everything's page-aligned for O_DIRECT (the only
- * alternative that still might avoid ridiculous levels of
- * local-FS overhead).
- *
- * TBD: check that msync really does get our data to disk.
- */
- gf_log (this->name, GF_LOG_DEBUG,
- "logging %u+%u bytes for op %d",
- stub->jnl_meta_len, stub->jnl_data_len, stub->fop);
- recycle = _gf_false;
- if ((*meta_offset + stub->jnl_meta_len) > priv->meta_log.size) {
- recycle = _gf_true;
- }
- if ((*data_offset + stub->jnl_data_len) > priv->data_log.size) {
- recycle = _gf_true;
- }
- if (recycle && !fdl_change_term(this,&meta_ptr,&data_ptr)) {
- goto *err_label;
- }
- meta_ptr = priv->meta_log.ptr;
- data_ptr = priv->data_log.ptr;
- gf_log (this->name, GF_LOG_DEBUG, "serializing to %p/%p",
- meta_ptr + *meta_offset, data_ptr + *data_offset);
- stub->serialize (stub, meta_ptr + *meta_offset,
- data_ptr + *data_offset);
- if (stub->jnl_meta_len > 0) {
- base_as_ul = (unsigned long) (meta_ptr + *meta_offset);
- msync_ptr = (void *) (base_as_ul & ~0x0fff);
- msync_len = (size_t) (base_as_ul & 0x0fff);
- if (msync (msync_ptr, msync_len+stub->jnl_meta_len,
- MS_SYNC) < 0) {
- gf_log (this->name, GF_LOG_WARNING,
- "failed to log request meta (%s)",
- strerror(errno));
- }
- *meta_offset += stub->jnl_meta_len;
- }
- if (stub->jnl_data_len > 0) {
- base_as_ul = (unsigned long) (data_ptr + *data_offset);
- msync_ptr = (void *) (base_as_ul & ~0x0fff);
- msync_len = (size_t) (base_as_ul & 0x0fff);
- if (msync (msync_ptr, msync_len+stub->jnl_data_len,
- MS_SYNC) < 0) {
- gf_log (this->name, GF_LOG_WARNING,
- "failed to log request data (%s)",
- strerror(errno));
- }
- *data_offset += stub->jnl_data_len;
- }
- call_resume (stub);
- }
-
-err_locked:
- pthread_mutex_unlock (&priv->req_lock);
-err_unlocked:
- fdl_close_term_log (this, &priv->meta_log);
- fdl_close_term_log (this, &priv->data_log);
- return NULL;
-}
-
-int32_t
-fdl_ipc_continue (call_frame_t *frame, xlator_t *this,
- int32_t op, dict_t *xdata)
-{
- /*
- * Nothing to be done here. Just Unwind. *
- */
- STACK_UNWIND_STRICT (ipc, frame, 0, 0, xdata);
-
- return 0;
-}
-
-int32_t
-fdl_ipc (call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata)
-{
- call_stub_t *stub;
- fdl_private_t *priv = this->private;
- dict_t *tdict;
- int32_t gt_err = EIO;
-
- switch (op) {
-
- case FDL_IPC_CHANGE_TERM:
- gf_log (this->name, GF_LOG_INFO, "got CHANGE_TERM op");
- priv->change_term = _gf_true;
- pthread_cond_signal (&priv->req_cond);
- STACK_UNWIND_STRICT (ipc, frame, 0, 0, NULL);
- break;
-
- case FDL_IPC_GET_TERMS:
- gf_log (this->name, GF_LOG_INFO, "got GET_TERMS op");
- tdict = dict_new ();
- if (!tdict) {
- gt_err = ENOMEM;
- goto gt_done;
- }
- if (dict_set_int32(tdict,"first",priv->first_term) != 0) {
- goto gt_done;
- }
- if (dict_set_int32(tdict,"last",priv->term) != 0) {
- goto gt_done;
- }
- gt_err = 0;
- gt_done:
- if (gt_err) {
- STACK_UNWIND_STRICT (ipc, frame, -1, gt_err, NULL);
- } else {
- STACK_UNWIND_STRICT (ipc, frame, 0, 0, tdict);
- }
- if (tdict) {
- dict_unref (tdict);
- }
- break;
-
- case FDL_IPC_JBR_SERVER_ROLLBACK:
- /*
- * In case of a rollback from jbr-server, dump *
- * the term and index number in the journal, *
- * which will later be used to rollback the fop *
- */
- stub = fop_ipc_stub (frame, fdl_ipc_continue,
- op, xdata);
- fdl_len_ipc (stub);
- stub->serialize = fdl_serialize_ipc;
- fdl_enqueue (this, stub);
-
- break;
-
- default:
- STACK_WIND_TAIL (frame,
- FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->ipc,
- op, xdata);
- }
-
- return 0;
-}
-
-int
-fdl_init (xlator_t *this)
-{
- fdl_private_t *priv = NULL;
-
- priv = GF_CALLOC (1, sizeof (*priv), gf_fdl_mt_fdl_private_t);
- if (!priv) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to allocate fdl_private");
- goto err;
- }
-
- INIT_LIST_HEAD (&priv->reqs);
- if (pthread_mutex_init (&priv->req_lock, NULL) != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to initialize req_lock");
- goto err;
- }
- if (pthread_cond_init (&priv->req_cond, NULL) != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to initialize req_cond");
- goto err;
- }
-
- GF_OPTION_INIT ("log-path", priv->log_dir, path, err);
-
- this->private = priv;
- /*
- * The rest of the fop table is automatically generated, so this is a
- * bit cleaner than messing with the generation to add a hand-written
- * exception.
- */
-
- if (gf_thread_create (&priv->worker, NULL, fdl_worker, this,
- "fdlwrker") != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to start fdl_worker");
- goto err;
- }
-
- return 0;
-
-err:
- if (priv) {
- GF_FREE(priv);
- }
- return -1;
-}
-
-void
-fdl_fini (xlator_t *this)
-{
- fdl_private_t *priv = this->private;
-
- if (priv) {
- priv->should_stop = _gf_true;
- pthread_cond_signal (&priv->req_cond);
- pthread_join (priv->worker, NULL);
- GF_FREE(priv);
- }
-}
-
-int
-fdl_reconfigure (xlator_t *this, dict_t *options)
-{
- fdl_private_t *priv = this->private;
-
- GF_OPTION_RECONF ("log_dir", priv->log_dir, options, path, out);
- /* TBD: react if it changed */
-
-out:
- return 0;
-}
-
-int32_t
-mem_acct_init (xlator_t *this)
-{
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO ("fdl", this, out);
-
- ret = xlator_mem_acct_init (this, gf_fdl_mt_end + 1);
-
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR, "Memory accounting init"
- "failed");
- return ret;
- }
-out:
- return ret;
-}
-
-class_methods_t class_methods = {
- .init = fdl_init,
- .fini = fdl_fini,
- .reconfigure = fdl_reconfigure,
- .notify = default_notify,
-};
-
-struct volume_options options[] = {
- { .key = {"log-path"},
- .type = GF_OPTION_TYPE_PATH,
- .default_value = DEFAULT_LOG_FILE_DIRECTORY,
- .description = "Directory for FDL files."
- },
- { .key = {NULL} },
-};
-
-struct xlator_cbks cbks = {
- .release = default_release,
- .releasedir = default_releasedir,
- .forget = default_forget,
-};
diff --git a/xlators/experimental/fdl/src/fdl.h b/xlators/experimental/fdl/src/fdl.h
deleted file mode 100644
index 32e38c9..0000000
--- a/xlators/experimental/fdl/src/fdl.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _FDL_H_
-#define _FDL_H_
-
-#define NEW_REQUEST (uint8_t)'N'
-
-typedef struct {
- uint8_t event_type; /* e.g. NEW_REQUEST */
- uint8_t fop_type; /* e.g. GF_FOP_SETATTR */
- uint16_t request_id;
- uint32_t ext_length;
-} event_header_t;
-
-enum {
- FDL_IPC_BASE = 0xfeedbee5, /* ... and they make honey */
- FDL_IPC_CHANGE_TERM,
- FDL_IPC_GET_TERMS,
- FDL_IPC_JBR_SERVER_ROLLBACK
-};
-
-#endif /* _FDL_H_ */
diff --git a/xlators/experimental/fdl/src/gen_dumper.py b/xlators/experimental/fdl/src/gen_dumper.py
deleted file mode 100755
index 363ba6c..0000000
--- a/xlators/experimental/fdl/src/gen_dumper.py
+++ /dev/null
@@ -1,117 +0,0 @@
-#!/usr/bin/python2
-
-from __future__ import print_function
-import os
-import re
-import sys
-
-curdir = os.path.dirname (sys.argv[0])
-gendir = os.path.join (curdir, '../../../../libglusterfs/src')
-sys.path.append (gendir)
-from generator import ops, fop_subs, cbk_subs, generate
-
-# See the big header comment at the start of gen_fdl.py to see how the stages
-# fit together. The big difference here is that *all* of the C code is in the
-# template file as labelled fragments, instead of as Python strings. That
-# makes it much easier to edit in one place, with proper syntax highlighting
-# and indentation.
-#
-# Stage 1 uses type-specific fragments to generate FUNCTION_BODY, instead of
-# LEN_*_TEMPLATE and SERLZ_*_TEMPLATE to generate LEN_CODE and SER_CODE.
-#
-# Stage 2 uses the FOP and CASE fragments instead of RECON_TEMPLATE and
-# FOP_TEMPLATE. The expanded FOP code (including FUNCTION_BODY substitution
-# in the middle of each function) is emitted immediately; the expanded CASE
-# code is saved for the next stage.
-#
-# Stage 3 uses the PROLOG and EPILOG fragments, with the expanded CASE code
-# in the middle of EPILOG, to generate the whole output file.
-#
-# Another way of looking at it is to consider how the fragments appear in
-# the final output:
-#
-# PROLOG
-# FOP (expanded for CREATE)
-# FOP before FUNCTION_BODY
-# LOC, INTEGER, GFID, etc. (one per arg, by type)
-# FOP after FUNCTION_BODY
-# FOP (expanded for WRITEV)
-# FOP before FUNCTION_BODY
-# GFID, VECTOR, etc. (on per arg, by type)
-# FOP after FUNCTION_BODY
-# (more FOPs)
-# EPILOG
-# EPILOG before CASE
-# CASE statements (one per fop)
-# EPILOG after CASE
-
-typemap = {
- 'dict_t *': ( "DICT", ""),
- 'fd_t *': ( "GFID", ""),
- 'dev_t': ( "DOUBLE", "%ld (0x%lx)"),
- 'gf_xattrop_flags_t': ( "INTEGER", "%d (0x%x)"),
- 'int32_t': ( "INTEGER", "%d (0x%x)"),
- 'mode_t': ( "INTEGER", "%d (0x%x)"),
- 'off_t': ( "DOUBLE", "%ld (0x%lx)"),
- 'size_t': ( "DOUBLE", "%ld (0x%lx)"),
- 'uint32_t': ( "INTEGER", "%d (0x%x)"),
- 'loc_t *': ( "LOC", ""),
- 'const char *': ( "STRING", ""),
- 'struct iovec *': ( "VECTOR", ""),
- 'struct iatt *': ( "IATT", ""),
-}
-
-def get_special_subs (args):
- code = ""
- for arg in args:
- if (arg[0] != 'fop-arg') or (len(arg) < 4):
- continue
- recon_type, recon_fmt = typemap[arg[2]]
- code += fragments[recon_type].replace("@ARGNAME@",arg[3]) \
- .replace("@FORMAT@",recon_fmt)
- return code
-
-def gen_functions ():
- code = ""
- for name, value in ops.iteritems():
- if "journal" not in [ x[0] for x in value ]:
- continue
- fop_subs[name]["@FUNCTION_BODY@"] = get_special_subs(value)
- # Print the FOP fragment with @FUNCTION_BODY@ in the middle.
- code += generate(fragments["FOP"],name,fop_subs)
- return code
-
-def gen_cases ():
- code = ""
- for name, value in ops.iteritems():
- if "journal" not in [ x[0] for x in value ]:
- continue
- # Add the CASE fragment for this fop.
- code += generate(fragments["CASE"],name,fop_subs)
- return code
-
-def load_fragments (path="recon-tmpl.c"):
- pragma_re = re.compile('pragma fragment (.*)')
- cur_symbol = None
- cur_value = ""
- result = {}
- for line in open(path,"r").readlines():
- m = pragma_re.search(line)
- if m:
- if cur_symbol:
- result[cur_symbol] = cur_value
- cur_symbol = m.group(1)
- cur_value = ""
- else:
- cur_value += line
- if cur_symbol:
- result[cur_symbol] = cur_value
- return result
-
-if __name__ == "__main__":
- fragments = load_fragments(sys.argv[1])
- print("/* BEGIN GENERATED CODE - DO NOT MODIFY */")
- print(fragments["PROLOG"])
- print(gen_functions())
- print(fragments["EPILOG"].replace("@SWITCH_BODY@",gen_cases()))
- print("/* END GENERATED CODE */")
diff --git a/xlators/experimental/fdl/src/gen_fdl.py b/xlators/experimental/fdl/src/gen_fdl.py
deleted file mode 100755
index d2e7dd5..0000000
--- a/xlators/experimental/fdl/src/gen_fdl.py
+++ /dev/null
@@ -1,354 +0,0 @@
-#!/usr/bin/python2
-
-from __future__ import print_function
-import os
-import sys
-
-curdir = os.path.dirname (sys.argv[0])
-gendir = os.path.join (curdir, '../../../../libglusterfs/src')
-sys.path.append (gendir)
-from generator import ops, fop_subs, cbk_subs, generate
-
-# Generation occurs in three stages. In this case, it actually makes more
-# sense to discuss them in the *opposite* order of that in which they
-# actually happen.
-#
-# Stage 3 is to insert all of the generated code into a file, replacing the
-# "#pragma generate" that's already there. The file can thus contain all
-# sorts of stuff that's not specific to one fop, either before or after the
-# generated code as appropriate.
-#
-# Stage 2 is to generate all of the code *for a particular fop*, using a
-# string-valued template plus a table of substitution values. Most of these
-# are built in to the generator itself. However, we also add a couple that
-# are specific to this particular translator - LEN_CODE and SER_CODE. These
-# are per-fop functions to get the length or the contents (respectively) of
-# what we'll put in the log. As with stage 3 allowing per-file boilerplate
-# before and after generated code, this allows per-fop boilerplate before and
-# after generated code.
-#
-# Stage 1, therefore, is to create the LEN_CODE and SER_CODE substitutions for
-# each fop, and put them in the same table where e.g. NAME and SHORT_ARGS
-# already are. We do this by looking at the fop-description table in the
-# generator module, then doing out own template substitution to plug each
-# specific argument name into another string-valued template.
-#
-# So, what does this leave us with in terms of variables and files?
-#
-# For stage 1, we have a series of LEN_*_TEMPLATE and SERLZ_*_TEMPLATE
-# strings, which are used to generate the length and serialization code for
-# each argument type.
-#
-# For stage 2, we have a bunch of *_TEMPLATE strings (no LEN_ or SERLZ_
-# prefix), which are used (along with the output from stage 1) to generate
-# whole functions.
-#
-# For stage 3, we have a whole separate file (fdl_tmpl.c) into which we insert
-# the collection of all functions defined in stage 2.
-
-
-LEN_TEMPLATE = """
-void
-fdl_len_@NAME@ (call_stub_t *stub)
-{
- uint32_t meta_len = sizeof (event_header_t);
- uint32_t data_len = 0;
-
- /* TBD: global stuff, e.g. uid/gid */
-@LEN_CODE@
-
- /* TBD: pad extension length */
- stub->jnl_meta_len = meta_len;
- stub->jnl_data_len = data_len;
-}
-"""
-
-SER_TEMPLATE = """
-void
-fdl_serialize_@NAME@ (call_stub_t *stub, char *meta_buf, char *data_buf)
-{
- event_header_t *eh;
- unsigned long offset = 0;
-
- /* TBD: word size/endianness */
- eh = (event_header_t *)meta_buf;
- eh->event_type = NEW_REQUEST;
- eh->fop_type = GF_FOP_@UPNAME@;
- eh->request_id = 0; // TBD
- meta_buf += sizeof (*eh);
-@SER_CODE@
- /* TBD: pad extension length */
- eh->ext_length = offset;
-}
-"""
-
-CBK_TEMPLATE = """
-int32_t
-fdl_@NAME@_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- @LONG_ARGS@)
-{
- STACK_UNWIND_STRICT (@NAME@, frame, op_ret, op_errno,
- @SHORT_ARGS@);
- return 0;
-}
-"""
-
-CONTINUE_TEMPLATE = """
-int32_t
-fdl_@NAME@_continue (call_frame_t *frame, xlator_t *this,
- @LONG_ARGS@)
-{
- STACK_WIND (frame, fdl_@NAME@_cbk,
- FIRST_CHILD(this), FIRST_CHILD(this)->fops->@NAME@,
- @SHORT_ARGS@);
- return 0;
-}
-
-"""
-
-FOP_TEMPLATE = """
-int32_t
-fdl_@NAME@ (call_frame_t *frame, xlator_t *this,
- @LONG_ARGS@)
-{
- call_stub_t *stub;
-
- stub = fop_@NAME@_stub (frame, default_@NAME@,
- @SHORT_ARGS@);
- fdl_len_@NAME@ (stub);
- stub->serialize = fdl_serialize_@NAME@;
- fdl_enqueue (this, stub);
-
- return 0;
-}
-"""
-
-LEN_DICT_TEMPLATE = """
- if (@SRC@) {
- data_pair_t *memb;
- for (memb = @SRC@->members_list; memb; memb = memb->next) {
- meta_len += sizeof(int);
- meta_len += strlen(memb->key) + 1;
- meta_len += sizeof(int);
- meta_len += memb->value->len;
- }
- }
- meta_len += sizeof(int);
-"""
-
-LEN_GFID_TEMPLATE = """
- meta_len += 16;
-"""
-
-LEN_INTEGER_TEMPLATE = """
- meta_len += sizeof (@SRC@);
-"""
-
-# 16 for gfid, 16 for pargfid, 1 for flag, 0/1 for terminating NUL
-LEN_LOC_TEMPLATE = """
- if (@SRC@.name) {
- meta_len += (strlen (@SRC@.name) + 34);
- } else {
- meta_len += 33;
- }
-"""
-
-LEN_STRING_TEMPLATE = """
- if (@SRC@) {
- meta_len += (strlen (@SRC@) + 1);
- } else {
- meta_len += 1;
- }
-"""
-
-LEN_VECTOR_TEMPLATE = """
- meta_len += sizeof(size_t);
- data_len += iov_length (@VEC@, @CNT@);
-"""
-
-LEN_IATT_TEMPLATE = """
- meta_len += sizeof(@SRC@.ia_prot);
- meta_len += sizeof(@SRC@.ia_uid);
- meta_len += sizeof(@SRC@.ia_gid);
- meta_len += sizeof(@SRC@.ia_atime);
- meta_len += sizeof(@SRC@.ia_atime_nsec);
- meta_len += sizeof(@SRC@.ia_mtime);
- meta_len += sizeof(@SRC@.ia_mtime_nsec);
-"""
-
-SERLZ_DICT_TEMPLATE = """
- if (@SRC@) {
- data_pair_t *memb;
- for (memb = @SRC@->members_list; memb; memb = memb->next) {
- *((int *)(meta_buf+offset)) = strlen(memb->key) + 1;
- offset += sizeof(int);
- strcpy (meta_buf+offset, memb->key);
- offset += strlen(memb->key) + 1;
- *((int *)(meta_buf+offset)) = memb->value->len;
- offset += sizeof(int);
- memcpy (meta_buf+offset, memb->value->data, memb->value->len);
- offset += memb->value->len;
- }
- }
- *((int *)(meta_buf+offset)) = 0;
- offset += sizeof(int);
-"""
-
-SERLZ_GFID_TEMPLATE = """
- memcpy (meta_buf+offset, @SRC@->inode->gfid, 16);
- offset += 16;
-"""
-
-SERLZ_INTEGER_TEMPLATE = """
- memcpy (meta_buf+offset, &@SRC@, sizeof(@SRC@));
- offset += sizeof(@SRC@);
-"""
-
-SERLZ_LOC_TEMPLATE = """
- memcpy (meta_buf+offset, @SRC@.gfid, 16);
- offset += 16;
- memcpy (meta_buf+offset, @SRC@.pargfid, 16);
- offset += 16;
- if (@SRC@.name) {
- *(meta_buf+offset) = 1;
- ++offset;
- strcpy (meta_buf+offset, @SRC@.name);
- offset += (strlen (@SRC@.name) + 1);
- } else {
- *(meta_buf+offset) = 0;
- ++offset;
- }
-"""
-
-SERLZ_STRING_TEMPLATE = """
- if (@SRC@) {
- *(meta_buf+offset) = 1;
- ++offset;
- strcpy (meta_buf+offset, @SRC@);
- offset += strlen(@SRC@);
- } else {
- *(meta_buf+offset) = 0;
- ++offset;
- }
-"""
-
-SERLZ_VECTOR_TEMPLATE = """
- *((size_t *)(meta_buf+offset)) = iov_length (@VEC@, @CNT@);
- offset += sizeof(size_t);
- int32_t i;
- for (i = 0; i < @CNT@; ++i) {
- memcpy (data_buf, @VEC@[i].iov_base, @VEC@[i].iov_len);
- data_buf += @VEC@[i].iov_len;
- }
-"""
-
-# We don't need to save all of the fields - only those affected by chown,
-# chgrp, chmod, and utime.
-SERLZ_IATT_TEMPLATE = """
- *((ia_prot_t *)(meta_buf+offset)) = @SRC@.ia_prot;
- offset += sizeof(@SRC@.ia_prot);
- *((uint32_t *)(meta_buf+offset)) = @SRC@.ia_uid;
- offset += sizeof(@SRC@.ia_uid);
- *((uint32_t *)(meta_buf+offset)) = @SRC@.ia_gid;
- offset += sizeof(@SRC@.ia_gid);
- *((uint32_t *)(meta_buf+offset)) = @SRC@.ia_atime;
- offset += sizeof(@SRC@.ia_atime);
- *((uint32_t *)(meta_buf+offset)) = @SRC@.ia_atime_nsec;
- offset += sizeof(@SRC@.ia_atime_nsec);
- *((uint32_t *)(meta_buf+offset)) = @SRC@.ia_mtime;
- offset += sizeof(@SRC@.ia_mtime);
- *((uint32_t *)(meta_buf+offset)) = @SRC@.ia_mtime_nsec;
- offset += sizeof(@SRC@.ia_mtime_nsec);
-"""
-
-typemap = {
- 'dict_t *': ( LEN_DICT_TEMPLATE, SERLZ_DICT_TEMPLATE),
- 'fd_t *': ( LEN_GFID_TEMPLATE, SERLZ_GFID_TEMPLATE),
- 'dev_t': ( LEN_INTEGER_TEMPLATE, SERLZ_INTEGER_TEMPLATE),
- 'gf_xattrop_flags_t': ( LEN_INTEGER_TEMPLATE, SERLZ_INTEGER_TEMPLATE),
- 'int32_t': ( LEN_INTEGER_TEMPLATE, SERLZ_INTEGER_TEMPLATE),
- 'mode_t': ( LEN_INTEGER_TEMPLATE, SERLZ_INTEGER_TEMPLATE),
- 'off_t': ( LEN_INTEGER_TEMPLATE, SERLZ_INTEGER_TEMPLATE),
- 'size_t': ( LEN_INTEGER_TEMPLATE, SERLZ_INTEGER_TEMPLATE),
- 'uint32_t': ( LEN_INTEGER_TEMPLATE, SERLZ_INTEGER_TEMPLATE),
- 'loc_t *': ( LEN_LOC_TEMPLATE, SERLZ_LOC_TEMPLATE),
- 'const char *': ( LEN_STRING_TEMPLATE, SERLZ_STRING_TEMPLATE),
- 'struct iatt *': ( LEN_IATT_TEMPLATE, SERLZ_IATT_TEMPLATE),
-}
-
-def get_special_subs (args):
- len_code = ""
- ser_code = ""
- for arg in args:
- if (arg[0] != 'fop-arg') or (len(arg) < 4):
- continue
- # Let this throw an exception if we get an unknown field name. The
- # broken build will remind whoever messed with the stub code that a
- # corresponding update is needed here.
- if arg[3] == "vector":
- # Make it as obvious as possible that this is a special case.
- len_code += LEN_VECTOR_TEMPLATE \
- .replace("@VEC@","stub->args.vector") \
- .replace("@CNT@","stub->args.count")
- ser_code += SERLZ_VECTOR_TEMPLATE \
- .replace("@VEC@","stub->args.vector") \
- .replace("@CNT@","stub->args.count")
- else:
- len_tmpl, ser_tmpl = typemap[arg[2]]
- src = "stub->args.%s" % arg[3]
- len_code += len_tmpl.replace("@SRC@",src)
- ser_code += ser_tmpl.replace("@SRC@",src)
- return len_code, ser_code
-
-# Mention those fops in the selective_generate table, for which
-# only a few common functions will be generated, and mention those
-# functions. Rest of the functions can be customized
-selective_generate = {
- "ipc": "len,serialize",
- }
-
-def gen_fdl ():
- entrypoints = []
- for name, value in ops.iteritems():
- if "journal" not in [ x[0] for x in value ]:
- continue
-
- # generate all functions for all the fops
- # except for the ones in selective_generate for which
- # generate only the functions mentioned in the
- # selective_generate table
- gen_funcs = "len,serialize,callback,continue,fop"
- if name in selective_generate:
- gen_funcs = selective_generate[name].split(",")
-
- len_code, ser_code = get_special_subs(value)
- fop_subs[name]["@LEN_CODE@"] = len_code[:-1]
- fop_subs[name]["@SER_CODE@"] = ser_code[:-1]
- if 'len' in gen_funcs:
- print(generate(LEN_TEMPLATE,name,fop_subs))
- if 'serialize' in gen_funcs:
- print(generate(SER_TEMPLATE,name,fop_subs))
- if name == 'writev':
- print("#define DESTAGE_ASYNC")
- if 'callback' in gen_funcs:
- print(generate(CBK_TEMPLATE,name,cbk_subs))
- if 'continue' in gen_funcs:
- print(generate(CONTINUE_TEMPLATE,name,fop_subs))
- if 'fop' in gen_funcs:
- print(generate(FOP_TEMPLATE,name,fop_subs))
- if name == 'writev':
- print("#undef DESTAGE_ASYNC")
- entrypoints.append(name)
- print("struct xlator_fops fops = {")
- for ep in entrypoints:
- print("\t.%s = fdl_%s," % (ep, ep))
- print("};")
-
-for l in open(sys.argv[1],'r').readlines():
- if l.find('#pragma generate') != -1:
- print("/* BEGIN GENERATED CODE - DO NOT MODIFY */")
- gen_fdl()
- print("/* END GENERATED CODE */")
- else:
- print(l[:-1])
diff --git a/xlators/experimental/fdl/src/gen_recon.py b/xlators/experimental/fdl/src/gen_recon.py
deleted file mode 100755
index db7f7bb..0000000
--- a/xlators/experimental/fdl/src/gen_recon.py
+++ /dev/null
@@ -1,218 +0,0 @@
-#!/usr/bin/python2
-
-from __future__ import print_function
-import os
-import re
-import string
-import sys
-
-curdir = os.path.dirname (sys.argv[0])
-gendir = os.path.join (curdir, '../../../../libglusterfs/src')
-sys.path.append (gendir)
-from generator import ops, fop_subs, cbk_subs, generate
-
-# See the big header comment at the start of gen_fdl.py to see how the stages
-# fit together. The big difference here is that *all* of the C code is in the
-# template file as labelled fragments, instead of as Python strings. That
-# makes it much easier to edit in one place, with proper syntax highlighting
-# and indentation.
-#
-# Stage 1 uses type-specific fragments to generate FUNCTION_BODY, instead of
-# LEN_*_TEMPLATE and SERLZ_*_TEMPLATE to generate LEN_CODE and SER_CODE.
-#
-# Stage 2 uses the FOP and CASE fragments instead of RECON_TEMPLATE and
-# FOP_TEMPLATE. The expanded FOP code (including FUNCTION_BODY substitution
-# in the middle of each function) is emitted immediately; the expanded CASE
-# code is saved for the next stage.
-#
-# Stage 3 uses the PROLOG and EPILOG fragments, with the expanded CASE code
-# in the middle of EPILOG, to generate the whole output file.
-#
-# Another way of looking at it is to consider how the fragments appear in
-# the final output:
-#
-# PROLOG
-# FOP (expanded for CREATE)
-# FOP before FUNCTION_BODY
-# LOC, INTEGER, GFID, etc. (one per arg, by type)
-# FOP after FUNCTION_BODY
-# FOP (expanded for WRITEV)
-# FOP before FUNCTION_BODY
-# GFID, VECTOR, etc. (one per arg, by type)
-# FOP after FUNCTION_BODY
-# (more FOPs)
-# EPILOG
-# EPILOG before CASE
-# CASE statements (one per fop)
-# EPILOG after CASE
-
-typemap = {
- 'dict_t *': "DICT",
- 'fd_t *': "FD",
- 'dev_t': "DOUBLE",
- 'gf_xattrop_flags_t': "INTEGER",
- 'int32_t': "INTEGER",
- 'mode_t': "INTEGER",
- 'off_t': "DOUBLE",
- 'size_t': "DOUBLE",
- 'uint32_t': "INTEGER",
- 'loc_t *': "LOC",
- 'const char *': "STRING",
- 'struct iovec *': "VECTOR",
- 'struct iatt *': "IATT",
- 'struct iobref *': "IOBREF",
-}
-
-def get_special_subs (name, args, fop_type):
- code = ""
- cleanups = ""
- links = ""
- s_args = []
- for arg in args:
- if arg[0] == 'extra':
- code += "\t%s %s;\n\n" % (arg[2], arg[1])
- s_args.append(arg[3])
- continue
- if arg[0] == 'link':
- links += fragments["LINK"].replace("@INODE_ARG@",arg[1]) \
- .replace("@IATT_ARG@",arg[2])
- continue
- if arg[0] != 'fop-arg':
- continue
- if (name, arg[1]) == ('writev', 'count'):
- # Special case: just skip this. We can't mark it as 'nosync'
- # because of the way the translator and dumper generators look for
- # that after 'stub-name' which we don't define. Instead of adding a
- # bunch of generic infrastructure for this one case, just pound it
- # here.
- continue
- recon_type = typemap[arg[2]]
- # print "/* %s.%s => %s (%s)*/" % (name, arg[1], recon_type, fop_type)
- if (name == "create") and (arg[1] == "fd"):
- # Special case: fd for create is new, not looked up.
- # print "/* change to NEW_FD */"
- recon_type = "NEW_FD"
- elif (recon_type == "LOC") and (fop_type == "entry-op"):
- # Need to treat this differently for inode vs. entry ops.
- # Special case: link source is treated like inode-op.
- if (name != "link") or (arg[1] != "oldloc"):
- # print "/* change to PARENT_LOC */"
- recon_type = "PARENT_LOC"
- code += fragments[recon_type].replace("@ARGNAME@",arg[1]) \
- .replace("@ARGTYPE@",arg[2])
- cleanup_key = recon_type + "_CLEANUP"
- if fragments.has_key(cleanup_key):
- new_frag = fragments[cleanup_key].replace("@ARGNAME@",arg[1])
- # Make sure these get added in *reverse* order. Otherwise, a
- # failure for an earlier argument might goto a label that falls
- # through to the cleanup code for a variable associated with a
- # later argument, but that variable might not even have been
- # *declared* (let alone initialized) yet. Consider the following
- # case.
- #
- # process argument A (on failure goto cleanup_A)
- # set error label to cleanup_A
- #
- # declare pointer variable for argument B
- # process argument B (on failure goto cleanup_B)
- #
- # cleanup_A:
- # /* whatever */
- # cleanup_B:
- # free pointer variable <= "USED BUT NOT SET" error here
- #
- # By adding these in reverse order, we ensure that cleanup_B is
- # actually *before* cleanup_A, and nothing will try to do the free
- # until we've actually attempted processing of B.
- cleanups = new_frag + cleanups
- if 'nosync' in arg[4:]:
- code += "\t(void)%s;\n" % arg[1];
- continue
- if arg[2] in ("loc_t *", "struct iatt *"):
- # These are passed as pointers to the syncop, but they're actual
- # structures in the generated code.
- s_args.append("&"+arg[1]);
- else:
- s_args.append(arg[1])
- # We have to handle a couple of special cases here, because some n00b
- # defined the syncops with a different argument order than the fops they're
- # based on.
- if name == 'writev':
- # Swap 'flags' and 'iobref'. Also, we need to add the iov count, which
- # is not stored in or read from the journal. There are other ways to
- # do that, but this is the only place we need anything similar and we
- # already have to treat it as a special case so this is simplest.
- s_args_str = 'fd, &vector, 1, off, iobref, flags, xdata'
- elif name == 'symlink':
- # Swap 'linkpath' and 'loc'.
- s_args_str = '&loc, linkpath, &iatt, xdata'
- elif name == 'xattrop':
- s_args_str = '&loc, flags, dict, xdata, NULL'
- elif name == 'fxattrop':
- s_args_str = 'fd, flags, dict, xdata, NULL'
- else:
- s_args_str = string.join (s_args, ", ")
- return code, links, s_args_str, cleanups
-
-# TBD: probably need to generate type-specific cleanup code as well - e.g.
-# fd_unref for an fd_t, loc_wipe for a loc_t, and so on. All of these
-# generated CLEANUP fragments will go at the end of the function, with goto
-# labels. Meanwhile, the error-checking part of each type-specific fragment
-# (e.g. LOC or FD) will need to update the indirect label that we jump to when
-# an error is detected. This will probably get messy.
-def gen_functions ():
- code = ""
- for name, value in ops.iteritems():
- fop_type = [ x[1] for x in value if x[0] == "journal" ]
- if not fop_type:
- continue
- body, links, syncop_args, cleanups = get_special_subs (name, value,
- fop_type[0])
- fop_subs[name]["@FUNCTION_BODY@"] = body
- fop_subs[name]["@LINKS@"] = links
- fop_subs[name]["@SYNCOP_ARGS@"] = syncop_args
- fop_subs[name]["@CLEANUPS@"] = cleanups
- if name == "writev":
- # Take advantage of the fact that, *during reconciliation*, the
- # vector is always a single element. In normal I/O it's not.
- fop_subs[name]["@SUCCESS_VALUE@"] = "vector.iov_len"
- else:
- fop_subs[name]["@SUCCESS_VALUE@"] = "GFAPI_SUCCESS"
- # Print the FOP fragment with @FUNCTION_BODY@ in the middle.
- code += generate(fragments["FOP"],name,fop_subs)
- return code
-
-def gen_cases ():
- code = ""
- for name, value in ops.iteritems():
- if "journal" not in [ x[0] for x in value ]:
- continue
- # Add the CASE fragment for this fop.
- code += generate(fragments["CASE"],name,fop_subs)
- return code
-
-def load_fragments (path="recon-tmpl.c"):
- pragma_re = re.compile('pragma fragment (.*)')
- cur_symbol = None
- cur_value = ""
- result = {}
- for line in open(path,"r").readlines():
- m = pragma_re.search(line)
- if m:
- if cur_symbol:
- result[cur_symbol] = cur_value
- cur_symbol = m.group(1)
- cur_value = ""
- else:
- cur_value += line
- if cur_symbol:
- result[cur_symbol] = cur_value
- return result
-
-if __name__ == "__main__":
- fragments = load_fragments(sys.argv[1])
- print("/* BEGIN GENERATED CODE - DO NOT MODIFY */")
- print(fragments["PROLOG"])
- print(gen_functions())
- print(fragments["EPILOG"].replace("@SWITCH_BODY@",gen_cases()))
- print("/* END GENERATED CODE */")
diff --git a/xlators/experimental/fdl/src/logdump.c b/xlators/experimental/fdl/src/logdump.c
deleted file mode 100644
index 7c979c3..0000000
--- a/xlators/experimental/fdl/src/logdump.c
+++ /dev/null
@@ -1,50 +0,0 @@
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/mman.h>
-
-extern int fdl_dump (char **, char **);
-
-int
-main (int argc, char **argv)
-{
- int meta_fd = (-1);
- char *meta_buf = NULL;
- int data_fd = (-1);
- char *data_buf = NULL;
-
- meta_fd = open (argv[1], O_RDONLY);
- if (meta_fd < 0) {
- perror ("open");
- return EXIT_FAILURE;
- }
-
- /* TBD: get proper length */
- meta_buf = mmap (NULL, 1048576, PROT_READ, MAP_PRIVATE, meta_fd, 0);
- if (meta_buf == MAP_FAILED) {
- perror ("mmap");
- return EXIT_FAILURE;
- }
-
- data_fd = open (argv[2], O_RDONLY);
- if (data_fd < 0) {
- perror ("open");
- return EXIT_FAILURE;
- }
-
- /* TBD: get proper length */
- data_buf = mmap (NULL, 1048576, PROT_READ, MAP_PRIVATE, data_fd, 0);
- if (data_buf == MAP_FAILED) {
- perror ("mmap");
- return EXIT_FAILURE;
- }
-
- for (;;) {
- if (!fdl_dump(&meta_buf,&data_buf)) {
- break;
- }
- }
-
- return EXIT_SUCCESS;
-}
diff --git a/xlators/experimental/fdl/src/recon-tmpl.c b/xlators/experimental/fdl/src/recon-tmpl.c
deleted file mode 100644
index 2288604..0000000
--- a/xlators/experimental/fdl/src/recon-tmpl.c
+++ /dev/null
@@ -1,304 +0,0 @@
-#pragma fragment PROLOG
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "glusterfs.h"
-#include "iatt.h"
-#include "syncop.h"
-#include "xlator.h"
-#include "glfs-internal.h"
-
-#include "fdl.h"
-
-#define GFAPI_SUCCESS 0
-
-inode_t *
-recon_get_inode (glfs_t *fs, uuid_t gfid)
-{
- inode_t *inode;
- loc_t loc = {NULL,};
- struct iatt iatt;
- int ret;
- inode_t *newinode;
-
- inode = inode_find (fs->active_subvol->itable, gfid);
- if (inode) {
- printf ("=== FOUND %s IN TABLE\n", uuid_utoa(gfid));
- return inode;
- }
-
- loc.inode = inode_new (fs->active_subvol->itable);
- if (!loc.inode) {
- return NULL;
- }
- gf_uuid_copy (loc.inode->gfid, gfid);
- gf_uuid_copy (loc.gfid, gfid);
-
- printf ("=== DOING LOOKUP FOR %s\n", uuid_utoa(gfid));
-
- ret = syncop_lookup (fs->active_subvol, &loc, &iatt,
- NULL, NULL, NULL);
- if (ret != GFAPI_SUCCESS) {
- fprintf (stderr, "syncop_lookup failed (%d)\n", ret);
- return NULL;
- }
-
- newinode = inode_link (loc.inode, NULL, NULL, &iatt);
- if (newinode) {
- inode_lookup (newinode);
- }
-
- return newinode;
-}
-
-#pragma fragment DICT
- dict_t *@ARGNAME@;
-
- @ARGNAME@ = dict_new();
- if (!@ARGNAME@) {
- goto *err_label;
- }
- err_label = &&cleanup_@ARGNAME@;
-
- {
- int key_len, data_len;
- char *key_ptr;
- int garbage;
- for (;;) {
- key_len = *((int *)new_meta);
- new_meta += sizeof(int);
- if (!key_len) {
- break;
- }
- key_ptr = new_meta;
- new_meta += key_len;
- data_len = *((int *)new_meta);
- new_meta += sizeof(int);
- garbage = dict_set_static_bin (@ARGNAME@, key_ptr,
- new_meta, data_len);
- /* TBD: check error from dict_set_static_bin */
- (void)garbage;
- new_meta += data_len;
- }
- }
-
-#pragma fragment DICT_CLEANUP
-cleanup_@ARGNAME@:
- dict_unref (@ARGNAME@);
-
-#pragma fragment DOUBLE
- @ARGTYPE@ @ARGNAME@ = *((@ARGTYPE@ *)new_meta);
- new_meta += sizeof(uint64_t);
-
-#pragma fragment FD
- inode_t *@ARGNAME@_ino;
- fd_t *@ARGNAME@;
-
- @ARGNAME@_ino = recon_get_inode (fs, *((uuid_t *)new_meta));
- new_meta += 16;
- if (!@ARGNAME@_ino) {
- goto *err_label;
- }
- err_label = &&cleanup_@ARGNAME@_ino;
-
- @ARGNAME@ = fd_anonymous (@ARGNAME@_ino);
- if (!@ARGNAME@) {
- goto *err_label;
- }
- err_label = &&cleanup_@ARGNAME@;
-
-#pragma fragment FD_CLEANUP
-cleanup_@ARGNAME@:
- fd_unref (@ARGNAME@);
-cleanup_@ARGNAME@_ino:
- inode_unref (@ARGNAME@_ino);
-
-#pragma fragment NEW_FD
- /*
- * This pseudo-type is only used for create, and in that case we know
- * we'll be using loc.inode, so it's not worth generalizing to take an
- * extra argument.
- */
- fd_t *@ARGNAME@ = fd_anonymous (loc.inode);
-
- if (!fd) {
- goto *err_label;
- }
- err_label = &&cleanup_@ARGNAME@;
- new_meta += 16;
-
-#pragma fragment NEW_FD_CLEANUP
-cleanup_@ARGNAME@:
- fd_unref (@ARGNAME@);
-
-#pragma fragment INTEGER
- @ARGTYPE@ @ARGNAME@ = *((@ARGTYPE@ *)new_meta);
-
- new_meta += sizeof(@ARGTYPE@);
-
-#pragma fragment LOC
- loc_t @ARGNAME@ = { NULL, };
-
- @ARGNAME@.inode = recon_get_inode (fs, *((uuid_t *)new_meta));
- if (!@ARGNAME@.inode) {
- goto *err_label;
- }
- err_label = &&cleanup_@ARGNAME@;
- gf_uuid_copy (@ARGNAME@.gfid, @ARGNAME@.inode->gfid);
- new_meta += 16;
- new_meta += 16; /* skip over pargfid */
- if (*(new_meta++)) {
- @ARGNAME@.name = new_meta;
- new_meta += strlen(new_meta) + 1;
- }
-
-#pragma fragment LOC_CLEANUP
-cleanup_@ARGNAME@:
- loc_wipe (&@ARGNAME@);
-
-#pragma fragment PARENT_LOC
- loc_t @ARGNAME@ = { NULL, };
-
- new_meta += 16; /* skip over gfid */
- @ARGNAME@.parent = recon_get_inode (fs, *((uuid_t *)new_meta));
- if (!@ARGNAME@.parent) {
- goto *err_label;
- }
- err_label = &&cleanup_@ARGNAME@;
- gf_uuid_copy (@ARGNAME@.pargfid, @ARGNAME@.parent->gfid);
- new_meta += 16;
- if (!*(new_meta++)) {
- goto *err_label;
- }
- @ARGNAME@.name = new_meta;
- new_meta += strlen(new_meta) + 1;
-
- @ARGNAME@.inode = inode_new (fs->active_subvol->itable);
- if (!@ARGNAME@.inode) {
- goto *err_label;
- }
-
-#pragma fragment PARENT_LOC_CLEANUP
-cleanup_@ARGNAME@:
- loc_wipe (&@ARGNAME@);
-
-#pragma fragment STRING
- char *@ARGNAME@;
- if (*(new_meta++)) {
- @ARGNAME@ = new_meta;
- new_meta += (strlen(new_meta) + 1);
- }
- else {
- goto *err_label;
- }
-
-#pragma fragment VECTOR
- struct iovec @ARGNAME@;
-
- @ARGNAME@.iov_len = *((size_t *)new_meta);
- new_meta += sizeof(@ARGNAME@.iov_len);
- @ARGNAME@.iov_base = new_data;
- new_data += @ARGNAME@.iov_len;
-
-#pragma fragment IATT
- struct iatt @ARGNAME@;
- {
- @ARGNAME@.ia_prot = *((ia_prot_t *)new_meta);
- new_meta += sizeof(ia_prot_t);
- uint32_t *myints = (uint32_t *)new_meta;
- @ARGNAME@.ia_uid = myints[0];
- @ARGNAME@.ia_gid = myints[1];
- @ARGNAME@.ia_atime = myints[2];
- @ARGNAME@.ia_atime_nsec = myints[3];
- @ARGNAME@.ia_mtime = myints[4];
- @ARGNAME@.ia_mtime_nsec = myints[5];
- new_meta += sizeof(*myints) * 6;
- }
-
-#pragma fragment IOBREF
- struct iobref *@ARGNAME@;
-
- @ARGNAME@ = iobref_new();
- if (!@ARGNAME@) {
- goto *err_label;
- }
- err_label = &&cleanup_@ARGNAME@;
-
-#pragma fragment IOBREF_CLEANUP
-cleanup_@ARGNAME@:
- iobref_unref (@ARGNAME@);
-
-#pragma fragment LINK
- /* TBD: check error */
- inode_t *new_inode = inode_link (@INODE_ARG@, NULL, NULL, @IATT_ARG@);
- if (new_inode) {
- inode_lookup (new_inode);
- }
-
-#pragma fragment FOP
-int
-fdl_replay_@NAME@ (glfs_t *fs, char **old_meta, char **old_data)
-{
- char *new_meta = *old_meta;
- char *new_data = *old_data;
- int ret;
- int status = 0xbad;
- void *err_label = &&done;
-
-@FUNCTION_BODY@
-
- ret = syncop_@NAME@ (fs->active_subvol, @SYNCOP_ARGS@, NULL);
- if (ret != @SUCCESS_VALUE@) {
- fprintf (stderr, "syncop_@NAME@ returned %d", ret);
- goto *err_label;
- }
-
-@LINKS@
-
- status = 0;
-
-@CLEANUPS@
-
-done:
- *old_meta = new_meta;
- *old_data = new_data;
- return status;
-}
-
-#pragma fragment CASE
- case GF_FOP_@UPNAME@:
- printf ("=== GF_FOP_@UPNAME@\n");
- if (fdl_replay_@NAME@ (fs, &new_meta, &new_data) != 0) {
- goto done;
- }
- recognized = 1;
- break;
-
-#pragma fragment EPILOG
-int
-recon_execute (glfs_t *fs, char **old_meta, char **old_data)
-{
- char *new_meta = *old_meta;
- char *new_data = *old_data;
- int recognized = 0;
- event_header_t *eh;
-
- eh = (event_header_t *)new_meta;
- new_meta += sizeof (*eh);
-
- /* TBD: check event_type instead of assuming NEW_REQUEST */
-
- switch (eh->fop_type) {
-@SWITCH_BODY@
-
- default:
- printf ("unknown fop %u\n", eh->fop_type);
- }
-
-done:
- *old_meta = new_meta;
- *old_data = new_data;
- return recognized;
-}
diff --git a/xlators/experimental/fdl/src/recon.c b/xlators/experimental/fdl/src/recon.c
deleted file mode 100644
index 14168a0..0000000
--- a/xlators/experimental/fdl/src/recon.c
+++ /dev/null
@@ -1,89 +0,0 @@
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/mman.h>
-
-#include "glusterfs.h"
-#include "fd.h"
-#include "syncop.h"
-#include "glfs-internal.h"
-
-#define GFAPI_SUCCESS 0
-
-extern int recon_execute (glfs_t *, char **, char **);
-
-int
-main (int argc, char **argv)
-{
- glfs_t *fs;
- int ret;
- int meta_fd = (-1);
- char *meta_buf = NULL;
- int data_fd = (-1);
- char *data_buf = NULL;
-
- fs = glfs_new ("whocares");
- if (!fs) {
- fprintf (stderr, "glfs_new failed\n");
- return EXIT_FAILURE;
- }
-
- if (getenv("RECON_DEBUG")) {
- ret = glfs_set_logging (fs, "/dev/stderr", 7);
- }
- else {
- ret = glfs_set_logging (fs, "/dev/null", 0);
- }
-
- if (ret != GFAPI_SUCCESS) {
- fprintf (stderr, "glfs_set_logging failed (%d)\n", errno);
- return EXIT_FAILURE;
- }
-
- ret = glfs_set_volfile (fs, argv[1]);
- if (ret != GFAPI_SUCCESS) {
- fprintf (stderr, "glfs_set_volfile failed (%d)\n", errno);
- return EXIT_FAILURE;
- }
-
- ret = glfs_init (fs);
- if (ret != GFAPI_SUCCESS) {
- fprintf (stderr, "glfs_init failed (%d)\n", errno);
- return EXIT_FAILURE;
- }
-
- meta_fd = open (argv[2], O_RDONLY);
- if (meta_fd < 0) {
- perror ("open");
- return EXIT_FAILURE;
- }
-
- /* TBD: get proper length */
- meta_buf = mmap (NULL, 1048576, PROT_READ, MAP_PRIVATE, meta_fd, 0);
- if (meta_buf == MAP_FAILED) {
- perror ("mmap");
- return EXIT_FAILURE;
- }
-
- data_fd = open (argv[3], O_RDONLY);
- if (data_fd < 0) {
- perror ("open");
- return EXIT_FAILURE;
- }
-
- /* TBD: get proper length */
- data_buf = mmap (NULL, 1048576, PROT_READ, MAP_PRIVATE, data_fd, 0);
- if (data_buf == MAP_FAILED) {
- perror ("mmap");
- return EXIT_FAILURE;
- }
-
- for (;;) {
- if (!recon_execute(fs,&meta_buf,&data_buf)) {
- break;
- }
- }
-
- return EXIT_SUCCESS;
-}
diff --git a/xlators/experimental/jbr-client/Makefile.am b/xlators/experimental/jbr-client/Makefile.am
deleted file mode 100644
index a985f42..0000000
--- a/xlators/experimental/jbr-client/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/experimental/jbr-client/src/Makefile.am b/xlators/experimental/jbr-client/src/Makefile.am
deleted file mode 100644
index a894e69..0000000
--- a/xlators/experimental/jbr-client/src/Makefile.am
+++ /dev/null
@@ -1,34 +0,0 @@
-if WITH_SERVER
-xlator_LTLIBRARIES = jbrc.la
-endif
-xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/experimental
-
-nodist_jbrc_la_SOURCES = jbrc-cg.c
-CLEANFILES = $(nodist_jbrc_la_SOURCES)
-
-jbrc_la_LDFLAGS = -module -avoid-version
-jbrc_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-
-noinst_HEADERS = $(top_srcdir)/xlators/lib/src/libxlator.h \
- $(top_srcdir)/glusterfsd/src/glusterfsd.h \
- jbrc.h jbr-messages.h
-
-AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \
- -I$(top_srcdir)/xlators/lib/src \
- -I$(top_srcdir)/rpc/xdr/src -I$(top_builddir)/rpc/xdr/src \
- -I$(top_srcdir)/rpc/rpc-lib/src
-
-AM_CFLAGS = -Wall $(GF_CFLAGS)
-
-JBRC_PREFIX = $(top_srcdir)/xlators/experimental/jbr-client/src
-JBRC_GEN_FOPS = $(JBRC_PREFIX)/gen-fops.py
-JBRC_TEMPLATES = $(JBRC_PREFIX)/fop-template.c
-JBRC_WRAPPER = $(JBRC_PREFIX)/jbrc.c
-noinst_PYTHON = $(JBRC_GEN_FOPS)
-EXTRA_DIST = $(JBRC_TEMPLATES) $(JBRC_WRAPPER)
-
-jbrc-cg.c: $(JBRC_GEN_FOPS) $(JBRC_TEMPLATES) $(JBRC_WRAPPER)
- $(PYTHON) $(JBRC_GEN_FOPS) $(JBRC_TEMPLATES) $(JBRC_WRAPPER) > $@
-
-uninstall-local:
- rm -f $(DESTDIR)$(xlatordir)/jbr.so
diff --git a/xlators/experimental/jbr-client/src/fop-template.c b/xlators/experimental/jbr-client/src/fop-template.c
deleted file mode 100644
index 7719f51..0000000
--- a/xlators/experimental/jbr-client/src/fop-template.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/* template-name fop */
-int32_t
-jbrc_@NAME@ (call_frame_t *frame, xlator_t *this,
- @LONG_ARGS@)
-{
- jbrc_local_t *local = NULL;
- xlator_t *target_xl = ACTIVE_CHILD(this);
-
- local = mem_get(this->local_pool);
- if (!local) {
- goto err;
- }
-
- local->stub = fop_@NAME@_stub (frame, jbrc_@NAME@_continue,
- @SHORT_ARGS@);
- if (!local->stub) {
- goto err;
- }
- local->curr_xl = target_xl;
- local->scars = 0;
-
- frame->local = local;
- STACK_WIND_COOKIE (frame, jbrc_@NAME@_cbk, target_xl,
- target_xl, target_xl->fops->@NAME@,
- @SHORT_ARGS@);
- return 0;
-
-err:
- if (local) {
- mem_put(local);
- }
- STACK_UNWIND_STRICT (@NAME@, frame, -1, ENOMEM,
- @ERROR_ARGS@);
- return 0;
-}
-
-/* template-name cbk */
-int32_t
-jbrc_@NAME@_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- @LONG_ARGS@)
-{
- jbrc_local_t *local = frame->local;
- xlator_t *last_xl = cookie;
- xlator_t *next_xl;
- jbrc_private_t *priv = this->private;
- struct timespec spec;
-
- if (op_ret != (-1)) {
- if (local->scars) {
- gf_msg (this->name, GF_LOG_INFO, 0, J_MSG_RETRY_MSG,
- HILITE("retried %p OK"), frame->local);
- }
- priv->active = last_xl;
- goto unwind;
- }
- if ((op_errno != EREMOTE) && (op_errno != ENOTCONN)) {
- goto unwind;
- }
-
- /* TBD: get leader ID from xdata? */
- next_xl = next_xlator(this, last_xl);
- /*
- * We can't just give up after we've tried all bricks, because it's
- * quite likely that a new leader election just hasn't finished yet.
- * We also shouldn't retry endlessly, and especially not at a high
- * rate, but that's good enough while we work on other things.
- *
- * TBD: implement slow/finite retry via a worker thread
- */
- if (!next_xl || (local->scars >= SCAR_LIMIT)) {
- gf_msg (this->name, GF_LOG_DEBUG, 0, J_MSG_RETRY_MSG,
- HILITE("ran out of retries for %p"), frame->local);
- goto unwind;
- }
-
- local->curr_xl = next_xl;
- local->scars += 1;
- spec.tv_sec = 1;
- spec.tv_nsec = 0;
- /*
- * WARNING
- *
- * Just calling gf_timer_call_after like this leaves open the
- * possibility that writes will get reordered, if a first write is
- * rescheduled and then a second comes along to find an updated
- * priv->active before the first actually executes. We might need to
- * implement a stricter (and more complicated) queuing mechanism to
- * ensure absolute consistency in this case.
- */
- if (gf_timer_call_after(this->ctx, spec, jbrc_retry_cb, local)) {
- return 0;
- }
-
-unwind:
- call_stub_destroy(local->stub);
- STACK_UNWIND_STRICT (@NAME@, frame, op_ret, op_errno,
- @SHORT_ARGS@);
- return 0;
-}
-
-/* template-name cont-func */
-int32_t
-jbrc_@NAME@_continue (call_frame_t *frame, xlator_t *this,
- @LONG_ARGS@)
-{
- jbrc_local_t *local = frame->local;
-
- STACK_WIND_COOKIE (frame, jbrc_@NAME@_cbk, local->curr_xl,
- local->curr_xl, local->curr_xl->fops->@NAME@,
- @SHORT_ARGS@);
- return 0;
-}
diff --git a/xlators/experimental/jbr-client/src/gen-fops.py b/xlators/experimental/jbr-client/src/gen-fops.py
deleted file mode 100755
index 9893e0c..0000000
--- a/xlators/experimental/jbr-client/src/gen-fops.py
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/usr/bin/python2
-
-from __future__ import print_function
-import os
-import re
-import string
-import sys
-
-curdir = os.path.dirname(sys.argv[0])
-gendir = os.path.join(curdir,'../../../../libglusterfs/src')
-sys.path.append(gendir)
-from generator import ops, fop_subs, cbk_subs, generate
-
-# We really want the callback argument list, even when we're generating fop
-# code, so we propagate here.
-# TBD: this should probably be right in generate.py
-for k, v in cbk_subs.iteritems():
- fop_subs[k]['@ERROR_ARGS@'] = v['@ERROR_ARGS@']
-
-# Stolen from old codegen.py
-def load_templates (path):
- templates = {}
- tmpl_re = re.compile("/\* template-name (.*) \*/")
- templates = {}
- t_name = None
- for line in open(path,"r").readlines():
- if not line:
- break
- m = tmpl_re.match(line)
- if m:
- if t_name:
- templates[t_name] = string.join(t_contents,'')
- t_name = m.group(1).strip()
- t_contents = []
- elif t_name:
- t_contents.append(line)
- if t_name:
- templates[t_name] = string.join(t_contents,'')
- return templates
-
-# Stolen from gen_fdl.py
-def gen_client (templates):
- for name, value in ops.iteritems():
- if name == 'getspec':
- # It's not real if it doesn't have a stub function.
- continue
- print(generate(templates['cbk'],name,cbk_subs))
- print(generate(templates['cont-func'],name,fop_subs))
- print(generate(templates['fop'],name,fop_subs))
-
-tmpl = load_templates(sys.argv[1])
-for l in open(sys.argv[2],'r').readlines():
- if l.find('#pragma generate') != -1:
- print("/* BEGIN GENERATED CODE - DO NOT MODIFY */")
- gen_client(tmpl)
- print("/* END GENERATED CODE */")
- else:
- print(l[:-1])
diff --git a/xlators/experimental/jbr-client/src/jbr-messages.h b/xlators/experimental/jbr-client/src/jbr-messages.h
deleted file mode 100644
index 9f21018..0000000
--- a/xlators/experimental/jbr-client/src/jbr-messages.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _JBR_MESSAGES_H_
-#define _JBR_MESSAGES_H_
-
-#include "glfs-message-id.h"
-
-/* To add new message IDs, append new identifiers at the end of the list.
- *
- * Never remove a message ID. If it's not used anymore, you can rename it or
- * leave it as it is, but not delete it. This is to prevent reutilization of
- * IDs by other messages.
- *
- * The component name must match one of the entries defined in
- * glfs-message-id.h.
- */
-
-GLFS_MSGID(JBR,
- J_MSG_INIT_FAIL,
- J_MSG_RETRY_MSG,
- J_MSG_MEM_ERR,
- J_MSG_DICT_FLR,
- J_MSG_GENERIC,
- J_MSG_INVALID,
- J_MSG_NO_DATA,
- J_MSG_SYS_CALL_FAILURE,
- J_MSG_QUORUM_NOT_MET,
- J_MSG_LOCK_FAILURE
-);
-
-#endif /* _JBR_MESSAGES_H_ */
diff --git a/xlators/experimental/jbr-client/src/jbrc.c b/xlators/experimental/jbr-client/src/jbrc.c
deleted file mode 100644
index 9bb9346..0000000
--- a/xlators/experimental/jbr-client/src/jbrc.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/*
- Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com>
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "call-stub.h"
-#include "defaults.h"
-#include "timer.h"
-#include "xlator.h"
-#include "jbr-messages.h"
-#include "jbrc.h"
-#include "statedump.h"
-
-#define SCAR_LIMIT 20
-#define HILITE(x) (""x"")
-
-/*
- * The fops are actually generated by gen-fops.py; the rest was mostly copied
- * from defaults.c (commit cd253754 on 27 August 2013).
- */
-
-enum gf_dht_mem_types_ {
- gf_mt_jbrc_private_t = gf_common_mt_end + 1,
- gf_mt_jbrc_end
-};
-
-char *JBRC_XATTR = "user.jbr.active";
-
-static inline
-xlator_t *
-ACTIVE_CHILD (xlator_t *parent)
-{
- jbrc_private_t *priv = parent->private;
-
- return priv ? priv->active : FIRST_CHILD(parent);
-}
-
-xlator_t *
-next_xlator (xlator_t *this, xlator_t *prev)
-{
- xlator_list_t *trav;
-
- for (trav = this->children; trav; trav = trav->next) {
- if (trav->xlator == prev) {
- return trav->next ? trav->next->xlator
- : this->children->xlator;
- }
- }
-
- return NULL;
-}
-
-void
-jbrc_retry_cb (void *cb_arg)
-{
- jbrc_local_t *local = cb_arg;
-
- gf_msg (__func__, GF_LOG_INFO, 0, J_MSG_RETRY_MSG,
- HILITE("retrying %p"), local);
- call_resume_wind(local->stub);
-}
-
-#pragma generate
-
-int32_t
-jbrc_forget (xlator_t *this, inode_t *inode)
-{
- gf_msg_callingfn (this->name, GF_LOG_WARNING, 0, J_MSG_INIT_FAIL,
- "xlator does not implement forget_cbk");
- return 0;
-}
-
-
-int32_t
-jbrc_releasedir (xlator_t *this, fd_t *fd)
-{
- gf_msg_callingfn (this->name, GF_LOG_WARNING, 0, J_MSG_INIT_FAIL,
- "xlator does not implement releasedir_cbk");
- return 0;
-}
-
-int32_t
-jbrc_release (xlator_t *this, fd_t *fd)
-{
- gf_msg_callingfn (this->name, GF_LOG_WARNING, 0, J_MSG_INIT_FAIL,
- "xlator does not implement release_cbk");
- return 0;
-}
-
-struct xlator_fops fops = {
- .lookup = jbrc_lookup,
- .stat = jbrc_stat,
- .fstat = jbrc_fstat,
- .truncate = jbrc_truncate,
- .ftruncate = jbrc_ftruncate,
- .access = jbrc_access,
- .readlink = jbrc_readlink,
- .mknod = jbrc_mknod,
- .mkdir = jbrc_mkdir,
- .unlink = jbrc_unlink,
- .rmdir = jbrc_rmdir,
- .symlink = jbrc_symlink,
- .rename = jbrc_rename,
- .link = jbrc_link,
- .create = jbrc_create,
- .open = jbrc_open,
- .readv = jbrc_readv,
- .writev = jbrc_writev,
- .flush = jbrc_flush,
- .fsync = jbrc_fsync,
- .opendir = jbrc_opendir,
- .readdir = jbrc_readdir,
- .readdirp = jbrc_readdirp,
- .fsyncdir = jbrc_fsyncdir,
- .statfs = jbrc_statfs,
- .setxattr = jbrc_setxattr,
- .getxattr = jbrc_getxattr,
- .fsetxattr = jbrc_fsetxattr,
- .fgetxattr = jbrc_fgetxattr,
- .removexattr = jbrc_removexattr,
- .fremovexattr = jbrc_fremovexattr,
- .lk = jbrc_lk,
- .inodelk = jbrc_inodelk,
- .finodelk = jbrc_finodelk,
- .entrylk = jbrc_entrylk,
- .fentrylk = jbrc_fentrylk,
- .rchecksum = jbrc_rchecksum,
- .xattrop = jbrc_xattrop,
- .fxattrop = jbrc_fxattrop,
- .setattr = jbrc_setattr,
- .fsetattr = jbrc_fsetattr,
- .fallocate = jbrc_fallocate,
- .discard = jbrc_discard,
-};
-
-struct xlator_cbks cbks = {
-};
-
-
-int32_t
-mem_acct_init (xlator_t *this)
-{
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO ("jbrc", this, out);
-
- ret = xlator_mem_acct_init (this, gf_mt_jbrc_end + 1);
-
- if (ret != 0) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, J_MSG_MEM_ERR,
- "Memory accounting init failed");
- return ret;
- }
-out:
- return ret;
-}
-
-
-int32_t
-jbrc_init (xlator_t *this)
-{
- jbrc_private_t *priv = NULL;
- xlator_list_t *trav = NULL;
-
- this->local_pool = mem_pool_new (jbrc_local_t, 128);
- if (!this->local_pool) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, J_MSG_MEM_ERR,
- "failed to create jbrc_local_t pool");
- goto err;
- }
-
- priv = GF_CALLOC (1, sizeof (*priv), gf_mt_jbrc_private_t);
- if (!priv) {
- goto err;
- }
-
- for (trav = this->children; trav; trav = trav->next) {
- ++(priv->n_children);
- }
-
- priv->active = FIRST_CHILD(this);
- this->private = priv;
- return 0;
-
-err:
- if (priv) {
- GF_FREE(priv);
- }
- return -1;
-}
-
-void
-jbrc_fini (xlator_t *this)
-{
- GF_FREE(this->private);
-}
-
-int
-jbrc_get_child_index (xlator_t *this, xlator_t *kid)
-{
- xlator_list_t *trav;
- int retval = -1;
-
- for (trav = this->children; trav; trav = trav->next) {
- ++retval;
- if (trav->xlator == kid) {
- return retval;
- }
- }
-
- return -1;
-}
-
-uint8_t
-jbrc_count_up_kids (jbrc_private_t *priv)
-{
- uint8_t retval = 0;
- uint8_t i;
-
- for (i = 0; i < priv->n_children; ++i) {
- if (priv->kid_state & (1 << i)) {
- ++retval;
- }
- }
-
- return retval;
-}
-
-int32_t
-jbrc_notify (xlator_t *this, int32_t event, void *data, ...)
-{
- int32_t ret = 0;
- int32_t index = 0;
- jbrc_private_t *priv = NULL;
-
- GF_VALIDATE_OR_GOTO (THIS->name, this, out);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
-
- switch (event) {
- case GF_EVENT_CHILD_UP:
- index = jbrc_get_child_index(this, data);
- if (index >= 0) {
- priv->kid_state |= (1 << index);
- priv->up_children = jbrc_count_up_kids(priv);
- gf_msg (this->name, GF_LOG_INFO, 0, J_MSG_GENERIC,
- "got CHILD_UP for %s, now %u kids",
- ((xlator_t *)data)->name,
- priv->up_children);
- }
- ret = default_notify (this, event, data);
- break;
- case GF_EVENT_CHILD_DOWN:
- index = jbrc_get_child_index(this, data);
- if (index >= 0) {
- priv->kid_state &= ~(1 << index);
- priv->up_children = jbrc_count_up_kids(priv);
- gf_msg (this->name, GF_LOG_INFO, 0, J_MSG_GENERIC,
- "got CHILD_DOWN for %s, now %u kids",
- ((xlator_t *)data)->name,
- priv->up_children);
- }
- break;
- default:
- ret = default_notify (this, event, data);
- }
-
-out:
- return ret;
-}
-
-int
-jbrc_priv_dump (xlator_t *this)
-{
- jbrc_private_t *priv = NULL;
- char key_prefix[GF_DUMP_MAX_BUF_LEN];
- xlator_list_t *trav = NULL;
- int32_t i = -1;
-
- GF_VALIDATE_OR_GOTO (THIS->name, this, out);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
-
- snprintf(key_prefix, GF_DUMP_MAX_BUF_LEN, "%s.%s",
- this->type, this->name);
- gf_proc_dump_add_section(key_prefix);
-
- gf_proc_dump_write("up_children", "%u", priv->up_children);
-
- for (trav = this->children, i = 0; trav; trav = trav->next, i++) {
- snprintf(key_prefix, GF_DUMP_MAX_BUF_LEN, "child_%d", i);
- gf_proc_dump_write(key_prefix, "%s", trav->xlator->name);
- }
-
-out:
- return 0;
-}
-
-struct xlator_dumpops dumpops = {
- .priv = jbrc_priv_dump,
-};
-
-class_methods_t class_methods = {
- .init = jbrc_init,
- .fini = jbrc_fini,
- .notify = jbrc_notify,
-};
-
-struct volume_options options[] = {
- { .key = {NULL} },
-};
diff --git a/xlators/experimental/jbr-client/src/jbrc.h b/xlators/experimental/jbr-client/src/jbrc.h
deleted file mode 100644
index c83259c..0000000
--- a/xlators/experimental/jbr-client/src/jbrc.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _JBRC_H_
-#define _JBRC_H_
-
-typedef struct {
- xlator_t *active;
- uint8_t up_children;
- uint8_t n_children;
- uint32_t kid_state;
-} jbrc_private_t;
-
-typedef struct {
- call_stub_t *stub;
- xlator_t *curr_xl;
- uint16_t scars;
-} jbrc_local_t;
-
-#endif /* _JBRC_H_ */
diff --git a/xlators/experimental/jbr-server/Makefile.am b/xlators/experimental/jbr-server/Makefile.am
deleted file mode 100644
index a985f42..0000000
--- a/xlators/experimental/jbr-server/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/experimental/jbr-server/src/Makefile.am b/xlators/experimental/jbr-server/src/Makefile.am
deleted file mode 100644
index fe1342d..0000000
--- a/xlators/experimental/jbr-server/src/Makefile.am
+++ /dev/null
@@ -1,39 +0,0 @@
-if WITH_SERVER
-xlator_LTLIBRARIES = jbr.la
-endif
-xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/experimental
-
-nodist_jbr_la_SOURCES = jbr-cg.c
-CLEANFILES = $(nodist_jbr_la_SOURCES)
-
-jbr_la_LDFLAGS = -module -avoid-version
-jbr_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \
- $(top_builddir)/api/src/libgfapi.la
-
-noinst_HEADERS = jbr-internal.h \
- $(top_srcdir)/xlators/lib/src/libxlator.h \
- $(top_srcdir)/xlators/experimental/fdl/src/fdl.h \
- $(top_srcdir)/glusterfsd/src/glusterfsd.h
-
-AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \
- -I$(top_srcdir)/rpc/xdr/src -I$(top_builddir)/rpc/xdr/src \
- -I$(top_srcdir)/xlators/lib/src -I$(top_srcdir)/rpc/rpc-lib/src \
- -I$(top_srcdir)/xlators/experimental/fdl/src/ \
- -DSBIN_DIR=\"$(sbindir)\" -I$(top_srcdir)/api/src \
- -DJBR_SCRIPT_PREFIX=\"$(jbrdir)\" \
- -I$(top_srcdir)/xlators/experimental/jbr-client/src/
-
-AM_CFLAGS = -Wall $(GF_CFLAGS)
-
-JBR_PREFIX = $(top_srcdir)/xlators/experimental/jbr-server/src
-JBR_GEN_FOPS = $(JBR_PREFIX)/gen-fops.py
-JBR_TEMPLATES = $(JBR_PREFIX)/all-templates.c
-JBR_WRAPPER = $(JBR_PREFIX)/jbr.c
-noinst_PYTHON = $(JBR_GEN_FOPS)
-EXTRA_DIST = $(JBR_TEMPLATES) $(JBR_WRAPPER)
-
-jbr-cg.c: $(JBR_GEN_FOPS) $(JBR_TEMPLATES) $(JBR_WRAPPER)
- $(PYTHON) $(JBR_GEN_FOPS) $(JBR_TEMPLATES) $(JBR_WRAPPER) > $@
-
-uninstall-local:
- rm -f $(DESTDIR)$(xlatordir)/jbr.so
diff --git a/xlators/experimental/jbr-server/src/all-templates.c b/xlators/experimental/jbr-server/src/all-templates.c
deleted file mode 100644
index 9720442..0000000
--- a/xlators/experimental/jbr-server/src/all-templates.c
+++ /dev/null
@@ -1,542 +0,0 @@
-/*
- * You can put anything here - it doesn't even have to be a comment - and it
- * will be ignored until we reach the first template-name comment.
- */
-
-
-/* template-name read-fop */
-int32_t
-jbr_@NAME@ (call_frame_t *frame, xlator_t *this,
- @LONG_ARGS@)
-{
- jbr_private_t *priv = NULL;
- gf_boolean_t in_recon = _gf_false;
- int32_t op_errno = 0;
- int32_t recon_term, recon_index;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, err);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, err);
- GF_VALIDATE_OR_GOTO (this->name, frame, err);
-
- op_errno = EREMOTE;
-
- /* allow reads during reconciliation *
- * TBD: allow "dirty" reads on non-leaders *
- */
- if (xdata &&
- (dict_get_int32(xdata, RECON_TERM_XATTR, &recon_term) == 0) &&
- (dict_get_int32(xdata, RECON_INDEX_XATTR, &recon_index) == 0)) {
- in_recon = _gf_true;
- }
-
- if ((!priv->leader) && (in_recon == _gf_false)) {
- goto err;
- }
-
- STACK_WIND (frame, default_@NAME@_cbk,
- FIRST_CHILD(this), FIRST_CHILD(this)->fops->@NAME@,
- @SHORT_ARGS@);
- return 0;
-
-err:
- STACK_UNWIND_STRICT (@NAME@, frame, -1, op_errno,
- @ERROR_ARGS@);
- return 0;
-}
-
-/* template-name read-perform_local_op */
-/* No "perform_local_op" function needed for @NAME@ */
-
-/* template-name read-dispatch */
-/* No "dispatch" function needed for @NAME@ */
-
-/* template-name read-call_dispatch */
-/* No "call_dispatch" function needed for @NAME@ */
-
-/* template-name read-fan-in */
-/* No "fan-in" function needed for @NAME@ */
-
-/* template-name read-continue */
-/* No "continue" function needed for @NAME@ */
-
-/* template-name read-complete */
-/* No "complete" function needed for @NAME@ */
-
-/* template-name write-fop */
-int32_t
-jbr_@NAME@ (call_frame_t *frame, xlator_t *this,
- @LONG_ARGS@)
-{
- jbr_local_t *local = NULL;
- jbr_private_t *priv = NULL;
- int32_t ret = -1;
- int op_errno = ENOMEM;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, err);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, err);
- GF_VALIDATE_OR_GOTO (this->name, frame, err);
-
-#if defined(JBR_CG_NEED_FD)
- ret = jbr_leader_checks_and_init (frame, this, &op_errno, xdata, fd);
-#else
- ret = jbr_leader_checks_and_init (frame, this, &op_errno, xdata, NULL);
-#endif
- if (ret)
- goto err;
-
- local = frame->local;
-
- /*
- * If we let it through despite not being the leader, then we just want
- * to pass it on down without all of the additional xattrs, queuing, and
- * so on. However, jbr_*_complete does depend on the initialization
- * immediately above this.
- */
- if (!priv->leader) {
- STACK_WIND (frame, jbr_@NAME@_complete,
- FIRST_CHILD(this), FIRST_CHILD(this)->fops->@NAME@,
- @SHORT_ARGS@);
- return 0;
- }
-
- ret = jbr_initialize_xdata_set_attrs (this, &xdata);
- if (ret)
- goto err;
-
- local->xdata = dict_ref(xdata);
- local->stub = fop_@NAME@_stub (frame, jbr_@NAME@_continue,
- @SHORT_ARGS@);
- if (!local->stub) {
- goto err;
- }
-
- /*
- * Can be used to just call_dispatch or be customised per fop to *
- * perform ops specific to that particular fop. *
- */
- ret = jbr_@NAME@_perform_local_op (frame, this, &op_errno,
- @SHORT_ARGS@);
- if (ret)
- goto err;
-
- return ret;
-err:
- if (local) {
- if (local->stub) {
- call_stub_destroy(local->stub);
- }
- if (local->qstub) {
- call_stub_destroy(local->qstub);
- }
- if (local->fd) {
- fd_unref(local->fd);
- }
- mem_put(local);
- }
- STACK_UNWIND_STRICT (@NAME@, frame, -1, op_errno,
- @ERROR_ARGS@);
- return 0;
-}
-
-/* template-name write-perform_local_op */
-int32_t
-jbr_@NAME@_perform_local_op (call_frame_t *frame, xlator_t *this, int *op_errno,
- @LONG_ARGS@)
-{
- int32_t ret = -1;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- GF_VALIDATE_OR_GOTO (this->name, op_errno, out);
-
- ret = jbr_@NAME@_call_dispatch (frame, this, op_errno,
- @SHORT_ARGS@);
-
-out:
- return ret;
-}
-
-/* template-name write-call_dispatch */
-int32_t
-jbr_@NAME@_call_dispatch (call_frame_t *frame, xlator_t *this, int *op_errno,
- @LONG_ARGS@)
-{
- jbr_local_t *local = NULL;
- jbr_private_t *priv = NULL;
- int32_t ret = -1;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, local, out);
- GF_VALIDATE_OR_GOTO (this->name, op_errno, out);
-
-#if defined(JBR_CG_QUEUE)
- jbr_inode_ctx_t *ictx = jbr_get_inode_ctx(this, fd->inode);
- if (!ictx) {
- *op_errno = EIO;
- goto out;
- }
-
- LOCK(&ictx->lock);
- if (ictx->active) {
- gf_msg_debug (this->name, 0,
- "queuing request due to conflict");
- /*
- * TBD: enqueue only for real conflict
- *
- * Currently we just act like all writes are in
- * conflict with one another. What we should really do
- * is check the active/pending queues and defer only if
- * there's a conflict there.
- *
- * It's important to check the pending queue because we
- * might have an active request X which conflicts with
- * a pending request Y, and this request Z might
- * conflict with Y but not X. If we checked only the
- * active queue then Z could jump ahead of Y, which
- * would be incorrect.
- */
- local->qstub = fop_@NAME@_stub (frame,
- jbr_@NAME@_dispatch,
- @SHORT_ARGS@);
- if (!local->qstub) {
- UNLOCK(&ictx->lock);
- goto out;
- }
- list_add_tail(&local->qlinks, &ictx->pqueue);
- ++(ictx->pending);
- UNLOCK(&ictx->lock);
- ret = 0;
- goto out;
- } else {
- list_add_tail(&local->qlinks, &ictx->aqueue);
- ++(ictx->active);
- }
- UNLOCK(&ictx->lock);
-#endif
- ret = jbr_@NAME@_dispatch (frame, this, @SHORT_ARGS@);
-
-out:
- return ret;
-}
-
-/* template-name write-dispatch */
-int32_t
-jbr_@NAME@_dispatch (call_frame_t *frame, xlator_t *this,
- @LONG_ARGS@)
-{
- jbr_local_t *local = NULL;
- jbr_private_t *priv = NULL;
- int32_t ret = -1;
- xlator_list_t *trav;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, local, out);
-
- /*
- * TBD: unblock pending request(s) if we fail after this point but
- * before we get to jbr_@NAME@_complete (where that code currently
- * resides).
- */
-
- local->call_count = priv->n_children - 1;
- for (trav = this->children->next; trav; trav = trav->next) {
- STACK_WIND (frame, jbr_@NAME@_fan_in,
- trav->xlator, trav->xlator->fops->@NAME@,
- @SHORT_ARGS@);
- }
-
- /* TBD: variable Issue count */
- ret = 0;
-out:
- return ret;
-}
-
-/* template-name write-fan-in */
-int32_t
-jbr_@NAME@_fan_in (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- @LONG_ARGS@)
-{
- jbr_local_t *local = NULL;
- int32_t ret = -1;
- uint8_t call_count;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, local, out);
-
- gf_msg_trace (this->name, 0, "op_ret = %d, op_errno = %d\n",
- op_ret, op_errno);
-
- LOCK(&frame->lock);
- call_count = --(local->call_count);
- if (op_ret != -1) {
- /* Increment the number of successful acks *
- * received for the operation. *
- */
- (local->successful_acks)++;
- local->successful_op_ret = op_ret;
- }
- gf_msg_debug (this->name, 0, "succ_acks = %d, op_ret = %d, op_errno = %d\n",
- op_ret, op_errno, local->successful_acks);
- UNLOCK(&frame->lock);
-
- /* TBD: variable Completion count */
- if (call_count == 0) {
- call_resume(local->stub);
- }
-
- ret = 0;
-out:
- return ret;
-}
-
-/* template-name write-continue */
-int32_t
-jbr_@NAME@_continue (call_frame_t *frame, xlator_t *this,
- @LONG_ARGS@)
-{
- int32_t ret = -1;
- gf_boolean_t result = _gf_false;
- jbr_local_t *local = NULL;
- jbr_local_t *new_local = NULL;
- jbr_private_t *priv = NULL;
- int32_t op_errno = 0;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- priv = this->private;
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
- GF_VALIDATE_OR_GOTO (this->name, local, out);
-
- /* Perform quorum check to see if the leader needs *
- * to perform the operation. If the operation will not *
- * meet quorum irrespective of the leader's result *
- * there is no point in the leader performing the fop *
- */
- result = fop_quorum_check (this, (double)priv->n_children,
- (double)local->successful_acks + 1);
- if (result == _gf_false) {
- gf_msg (this->name, GF_LOG_ERROR, EROFS,
- J_MSG_QUORUM_NOT_MET, "Didn't receive enough acks "
- "to meet quorum. Failing the operation without trying "
- "it on the leader.");
-
-#if defined(JBR_CG_QUEUE)
- /*
- * In case of a fop failure, before unwinding need to *
- * remove it from queue *
- */
- ret = jbr_remove_from_queue (frame, this);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_GENERIC, "Failed to remove from queue.");
- }
-#endif
-
- /*
- * In this case, the quorum is not met on the followers *
- * So the operation will not be performed on the leader *
- * and a rollback will be sent via GF_FOP_IPC to all the *
- * followers, where this particular fop's term and index *
- * numbers will be journaled, and later used to rollback *
- */
- call_frame_t *new_frame;
-
- new_frame = copy_frame (frame);
-
- if (new_frame) {
- new_local = mem_get0(this->local_pool);
- if (new_local) {
- INIT_LIST_HEAD(&new_local->qlinks);
- ret = dict_set_int32 (local->xdata,
- "rollback-fop",
- GF_FOP_@UPNAME@);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR,
- "failed to set rollback-fop");
- } else {
- new_local->xdata = dict_ref(local->xdata);
- new_frame->local = new_local;
- jbr_ipc_call_dispatch (new_frame,
- this, &op_errno,
- FDL_IPC_JBR_SERVER_ROLLBACK,
- new_local->xdata);
- }
- } else {
- gf_log (this->name, GF_LOG_WARNING,
- "Could not create local for new_frame");
- }
- } else {
- gf_log (this->name, GF_LOG_WARNING,
- "Could not send rollback ipc");
- }
-
- STACK_UNWIND_STRICT (@NAME@, frame, -1, EROFS,
- @ERROR_ARGS@);
- } else {
- STACK_WIND (frame, jbr_@NAME@_complete,
- FIRST_CHILD(this), FIRST_CHILD(this)->fops->@NAME@,
- @SHORT_ARGS@);
- }
-
-out:
- return 0;
-}
-
-/* template-name write-complete */
-int32_t
-jbr_@NAME@_complete (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- @LONG_ARGS@)
-{
- int32_t ret = -1;
- gf_boolean_t result = _gf_false;
- jbr_private_t *priv = NULL;
- jbr_local_t *local = NULL;
- jbr_local_t *new_local = NULL;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, err);
- GF_VALIDATE_OR_GOTO (this->name, frame, err);
- priv = this->private;
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, priv, err);
- GF_VALIDATE_OR_GOTO (this->name, local, err);
-
- /* If the fop failed on the leader, then reduce one succesful ack
- * before calculating the fop quorum
- */
- LOCK(&frame->lock);
- if (op_ret == -1)
- (local->successful_acks)--;
- UNLOCK(&frame->lock);
-
-#if defined(JBR_CG_QUEUE)
- ret = jbr_remove_from_queue (frame, this);
- if (ret)
- goto err;
-#endif
-
-#if defined(JBR_CG_FSYNC)
- jbr_mark_fd_dirty(this, local);
-#endif
-
-#if defined(JBR_CG_NEED_FD)
- fd_unref(local->fd);
-#endif
-
- /* After the leader completes the fop, a quorum check is *
- * performed, taking into account the outcome of the fop *
- * on the leader. Irrespective of the fop being successful *
- * or failing on the leader, the result of the quorum will *
- * determine if the overall fop is successful or not. For *
- * example, a fop might have succeeded on every node except *
- * the leader, in which case as quorum is being met, the fop *
- * will be treated as a successful fop, even though it failed *
- * on the leader. On follower nodes, no quorum check should *
- * be done, and the result is returned to the leader as is. *
- */
- if (priv->leader) {
- result = fop_quorum_check (this, (double)priv->n_children,
- (double)local->successful_acks + 1);
- if (result == _gf_false) {
- op_ret = -1;
- op_errno = EROFS;
- gf_msg (this->name, GF_LOG_ERROR, EROFS,
- J_MSG_QUORUM_NOT_MET, "Quorum is not met. "
- "The operation has failed.");
- /*
- * In this case, the quorum is not met after the *
- * operation is performed on the leader. Hence a *
- * rollback will be sent via GF_FOP_IPC to the leader *
- * where this particular fop's term and index numbers *
- * will be journaled, and later used to rollback. *
- * The same will be done on all the followers *
- */
- call_frame_t *new_frame;
-
- new_frame = copy_frame (frame);
- if (new_frame) {
- new_local = mem_get0(this->local_pool);
- if (new_local) {
- INIT_LIST_HEAD(&new_local->qlinks);
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR, "op = %d",
- new_frame->op);
- ret = dict_set_int32 (local->xdata,
- "rollback-fop",
- GF_FOP_@UPNAME@);
- if (ret) {
- gf_msg (this->name,
- GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR,
- "failed to set "
- "rollback-fop");
- } else {
- new_local->xdata = dict_ref (local->xdata);
- new_frame->local = new_local;
- /*
- * Calling STACK_WIND instead *
- * of jbr_ipc as it will not *
- * unwind to the previous *
- * translators like it will *
- * in case of jbr_ipc. *
- */
- STACK_WIND (new_frame,
- jbr_ipc_complete,
- FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->ipc,
- FDL_IPC_JBR_SERVER_ROLLBACK,
- new_local->xdata);
- }
- } else {
- gf_log (this->name, GF_LOG_WARNING,
- "Could not create local "
- "for new_frame");
- }
- } else {
- gf_log (this->name, GF_LOG_WARNING,
- "Could not send rollback ipc");
- }
- } else {
-#if defined(JBR_CG_NEED_FD)
- op_ret = local->successful_op_ret;
-#else
- op_ret = 0;
-#endif
- op_errno = 0;
- gf_msg_debug (this->name, 0,
- "Quorum has met. The operation has succeeded.");
- }
- }
-
- /*
- * Unrefing the reference taken in jbr_@NAME@ () *
- */
- dict_unref (local->xdata);
-
- STACK_UNWIND_STRICT (@NAME@, frame, op_ret, op_errno,
- @SHORT_ARGS@);
-
-
- return 0;
-
-err:
- STACK_UNWIND_STRICT (@NAME@, frame, -1, 0,
- @SHORT_ARGS@);
-
- return 0;
-}
diff --git a/xlators/experimental/jbr-server/src/gen-fops.py b/xlators/experimental/jbr-server/src/gen-fops.py
deleted file mode 100755
index e728f47..0000000
--- a/xlators/experimental/jbr-server/src/gen-fops.py
+++ /dev/null
@@ -1,181 +0,0 @@
-#!/usr/bin/python2
-
-# This script generates the boilerplate versions of most fops and cbks in the
-# server. This allows the details of leadership-status checking, sequencing
-# between leader and followers (including fan-out), and basic error checking
-# to be centralized one place, with per-operation code kept to a minimum.
-
-from __future__ import print_function
-import os
-import re
-import string
-import sys
-
-curdir = os.path.dirname(sys.argv[0])
-gendir = os.path.join(curdir,'../../../../libglusterfs/src')
-sys.path.append(gendir)
-from generator import ops, fop_subs, cbk_subs, generate
-
-# We really want the callback argument list, even when we're generating fop
-# code, so we propagate here.
-# TBD: this should probably be right in generate.py
-for k, v in cbk_subs.iteritems():
- fop_subs[k]['@ERROR_ARGS@'] = v['@ERROR_ARGS@']
-
-# Stolen from old codegen.py
-def load_templates (path):
- templates = {}
- tmpl_re = re.compile("/\* template-name (.*) \*/")
- templates = {}
- t_name = None
- for line in open(path,"r").readlines():
- if not line:
- break
- m = tmpl_re.match(line)
- if m:
- if t_name:
- templates[t_name] = string.join(t_contents,'')
- t_name = m.group(1).strip()
- t_contents = []
- elif t_name:
- t_contents.append(line)
- if t_name:
- templates[t_name] = string.join(t_contents,'')
- return templates
-
-# We need two types of templates. The first, for pure read operations, just
-# needs to do a simple am-i-leader check (augmented to allow dirty reads).
-# The second, for pure writes, needs to do fan-out to followers between those
-# initial checks and local execution. There are other operations that don't
-# fit neatly into either category - e.g. lock ops or fsync - so we'll just have
-# to handle those manually. The table thus includes entries only for those we
-# can categorize. The special cases, plus any new operations we've never even
-# heard of, aren't in there.
-#
-# Various keywords can be used to define/undefine preprocessor symbols used
-# in the templates, on a per-function basis. For example, if the keyword here
-# is "fsync" (lowercase word or abbreviation) that will cause JBR_CG_FSYNC
-# (prefix plus uppercase version) to be defined above all of the generated code
-# for that fop.
-
-fop_table = {
- "access": "read",
- "create": "write",
- "discard": "write",
-# "entrylk": "read",
- "fallocate": "write",
-# "fentrylk": "read",
- "fgetxattr": "read",
-# "finodelk": "read",
-# "flush": "read",
- "fremovexattr": "write",
- "fsetattr": "write",
- "fsetxattr": "write",
- "fstat": "read",
-# "fsync": "read",
-# "fsyncdir": "read",
- "ftruncate": "write",
- "fxattrop": "write",
- "getxattr": "read",
-# "inodelk": "read",
- "link": "write",
- "lk": "write,queue",
-# "lookup": "read",
- "mkdir": "write",
- "mknod": "write",
- "open": "write",
- "opendir": "read",
- "rchecksum": "read",
- "readdir": "read",
- "readdirp": "read",
- "readlink": "read",
- "readv": "read",
- "removexattr": "write",
- "rename": "write",
- "rmdir": "write",
- "setattr": "write",
- "setxattr": "write",
- "stat": "read",
- "statfs": "read",
- "symlink": "write",
- "truncate": "write",
- "unlink": "write",
- "writev": "write,fsync,queue",
- "xattrop": "write",
- "ipc": "write",
-}
-
-# Mention those fops in the selective_generate table, for which
-# only a few common functions will be generated, and mention those
-# functions. Rest of the functions can be customized
-selective_generate = {
- "lk": "fop,dispatch,call_dispatch",
- "ipc": "dispatch,call_dispatch",
-}
-
-# Stolen from gen_fdl.py
-def gen_server (templates):
- fops_done = []
- for name in fop_table.keys():
- info = fop_table[name].split(",")
- kind = info[0]
- flags = info[1:]
-
- # generate all functions for the fops in fop_table
- # except for the ones in selective_generate for which
- # generate only the functions mentioned in the
- # selective_generate table
- gen_funcs = "fop,complete,continue,fan-in,dispatch, \
- call_dispatch,perform_local_op"
- if name in selective_generate:
- gen_funcs = selective_generate[name].split(",")
-
- if ("fsync" in flags) or ("queue" in flags):
- flags.append("need_fd")
- for fname in flags:
- print("#define JBR_CG_%s" % fname.upper())
-
- if 'complete' in gen_funcs:
- print(generate(templates[kind+"-complete"],
- name,cbk_subs))
-
- if 'continue' in gen_funcs:
- print(generate(templates[kind+"-continue"],
- name,fop_subs))
-
- if 'fan-in' in gen_funcs:
- print(generate(templates[kind+"-fan-in"],
- name,cbk_subs))
-
- if 'dispatch' in gen_funcs:
- print(generate(templates[kind+"-dispatch"],
- name,fop_subs))
-
- if 'call_dispatch' in gen_funcs:
- print(generate(templates[kind+"-call_dispatch"],
- name,fop_subs))
-
- if 'perform_local_op' in gen_funcs:
- print(generate(templates[kind+"-perform_local_op"],
- name, fop_subs))
-
- if 'fop' in gen_funcs:
- print(generate(templates[kind+"-fop"],name,fop_subs))
-
- for fname in flags:
- print("#undef JBR_CG_%s" % fname.upper())
- fops_done.append(name)
- # Just for fun, emit the fops table too.
- print("struct xlator_fops fops = {")
- for x in fops_done:
- print((" .%s = jbr_%s,"%(x,x)))
- print("};")
-
-tmpl = load_templates(sys.argv[1])
-for l in open(sys.argv[2],'r').readlines():
- if l.find('#pragma generate') != -1:
- print("/* BEGIN GENERATED CODE - DO NOT MODIFY */")
- gen_server(tmpl)
- print("/* END GENERATED CODE */")
- else:
- print(l[:-1])
diff --git a/xlators/experimental/jbr-server/src/jbr-internal.h b/xlators/experimental/jbr-server/src/jbr-internal.h
deleted file mode 100644
index 46a2991..0000000
--- a/xlators/experimental/jbr-server/src/jbr-internal.h
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#define LEADER_XATTR "user.jbr.leader"
-#define SECOND_CHILD(xl) (xl->children->next->xlator)
-#define RECONCILER_PATH JBR_SCRIPT_PREFIX"/reconciler.py"
-#define CHANGELOG_ENTRY_SIZE 128
-
-enum {
- gf_mt_jbr_private_t = gf_common_mt_end + 1,
- gf_mt_jbr_fd_ctx_t,
- gf_mt_jbr_inode_ctx_t,
- gf_mt_jbr_dirty_t,
- gf_mt_jbr_end
-};
-
-typedef enum jbr_recon_notify_ev_id_t {
- JBR_RECON_SET_LEADER = 1,
- JBR_RECON_ADD_CHILD = 2
-} jbr_recon_notify_ev_id_t;
-
-typedef struct _jbr_recon_notify_ev_s {
- jbr_recon_notify_ev_id_t id;
- uint32_t index; /* in case of add */
- struct list_head list;
-} jbr_recon_notify_ev_t;
-
-typedef struct {
- /*
- * This is a hack to allow a non-leader to accept requests while the
- * leader is down, and it only works for n=2. The way it works is that
- * "config_leader" indicates the state from our options (via init or
- * reconfigure) but "leader" is what the fop code actually looks at. If
- * config_leader is true, then leader will *always* be true as well,
- * giving that brick precedence. If config_leader is false, then
- * leader will only be true if there is no connection to the other
- * brick (tracked in jbr_notify).
- *
- * TBD: implement real leader election
- */
- gf_boolean_t config_leader;
- gf_boolean_t leader;
- uint8_t up_children;
- uint8_t n_children;
- char *vol_file;
- uint32_t current_term;
- uint32_t kid_state;
- gf_lock_t dirty_lock;
- struct list_head dirty_fds;
- uint32_t index;
- gf_lock_t index_lock;
- double quorum_pct;
- int term_fd;
- long term_total;
- long term_read;
- /*
- * This is a super-duper hack, but it will do for now. The reason it's
- * a hack is that we pass this to dict_set_static_bin, so we don't have
- * to mess around with allocating and freeing it on every single IPC
- * request, but it's totally not thread-safe. On the other hand, there
- * should only be one reconciliation thread running and calling these
- * functions at a time, so maybe that doesn't matter.
- *
- * TBD: re-evaluate how to manage this
- */
- char term_buf[CHANGELOG_ENTRY_SIZE];
- gf_boolean_t child_up; /* To maintain the state of *
- * the translator */
-} jbr_private_t;
-
-typedef struct {
- call_stub_t *stub;
- call_stub_t *qstub;
- uint32_t call_count;
- uint32_t successful_acks;
- uint32_t successful_op_ret;
- fd_t *fd;
- struct list_head qlinks;
- dict_t *xdata;
-} jbr_local_t;
-
-/*
- * This should match whatever changelog returns on the pre-op for us to pass
- * when we're ready for our post-op.
- */
-typedef uint32_t log_id_t;
-
-typedef struct {
- struct list_head links;
- log_id_t id;
-} jbr_dirty_list_t;
-
-typedef struct {
- fd_t *fd;
- struct list_head dirty_list;
- struct list_head fd_list;
-} jbr_fd_ctx_t;
-
-typedef struct {
- gf_lock_t lock;
- uint32_t active;
- struct list_head aqueue;
- uint32_t pending;
- struct list_head pqueue;
-} jbr_inode_ctx_t;
-
-void jbr_start_reconciler (xlator_t *this);
diff --git a/xlators/experimental/jbr-server/src/jbr.c b/xlators/experimental/jbr-server/src/jbr.c
deleted file mode 100644
index 151ba57..0000000
--- a/xlators/experimental/jbr-server/src/jbr.c
+++ /dev/null
@@ -1,1749 +0,0 @@
-/*
- Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include <fnmatch.h>
-#include "call-stub.h"
-#include "defaults.h"
-#include "xlator.h"
-#include "glfs.h"
-#include "glfs-internal.h"
-#include "run.h"
-#include "common-utils.h"
-#include "syncop.h"
-#include "syscall.h"
-#include "compat-errno.h"
-#include "fdl.h"
-
-#include "jbr-internal.h"
-#include "jbr-messages.h"
-
-#define JBR_FLUSH_INTERVAL 5
-
-enum {
- /* echo "cluster/jbr-server" | md5sum | cut -c 1-8 */
- JBR_SERVER_IPC_BASE = 0x0e2d66a5,
- JBR_SERVER_TERM_RANGE,
- JBR_SERVER_OPEN_TERM,
- JBR_SERVER_NEXT_ENTRY
-};
-
-/*
- * Need to declare jbr_lk_call_dispatch as jbr_lk_continue and *
- * jbr_lk_perform_local_op call it, before code is generated. *
- */
-int32_t
-jbr_lk_call_dispatch (call_frame_t *frame, xlator_t *this, int *op_errno,
- fd_t *fd, int32_t cmd, struct gf_flock *lock,
- dict_t *xdata);
-
-int32_t
-jbr_lk_dispatch (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int32_t cmd, struct gf_flock *lock,
- dict_t *xdata);
-
-int32_t
-jbr_ipc_call_dispatch (call_frame_t *frame, xlator_t *this, int *op_errno,
- int32_t op, dict_t *xdata);
-
-int32_t
-jbr_ipc_complete (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- dict_t *xdata);
-
-/* Used to check the quorum of acks received after the fop
- * confirming the status of the fop on all the brick processes
- * for this particular subvolume
- */
-gf_boolean_t
-fop_quorum_check (xlator_t *this, double n_children,
- double current_state)
-{
- jbr_private_t *priv = NULL;
- gf_boolean_t result = _gf_false;
- double required = 0;
- double current = 0;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
-
- required = n_children * priv->quorum_pct;
-
- /*
- * Before performing the fop on the leader, we need to check,
- * if there is any merit in performing the fop on the leader.
- * In a case, where even a successful write on the leader, will
- * not meet quorum, there is no point in trying the fop on the
- * leader.
- * When this function is called after the leader has tried
- * performing the fop, this check will calculate quorum taking into
- * account the status of the fop on the leader. If the leader's
- * op_ret was -1, the complete function would account that by
- * decrementing successful_acks by 1
- */
-
- current = current_state * 100.0;
-
- if (current < required) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_QUORUM_NOT_MET,
- "Quorum not met. quorum_pct = %f "
- "Current State = %f, Required State = %f",
- priv->quorum_pct, current,
- required);
- } else
- result = _gf_true;
-
-out:
- return result;
-}
-
-jbr_inode_ctx_t *
-jbr_get_inode_ctx (xlator_t *this, inode_t *inode)
-{
- uint64_t ctx_int = 0LL;
- jbr_inode_ctx_t *ctx_ptr;
-
- if (__inode_ctx_get(inode, this, &ctx_int) == 0) {
- ctx_ptr = (jbr_inode_ctx_t *)(long)ctx_int;
- } else {
- ctx_ptr = GF_CALLOC (1, sizeof(*ctx_ptr),
- gf_mt_jbr_inode_ctx_t);
- if (ctx_ptr) {
- ctx_int = (uint64_t)(long)ctx_ptr;
- if (__inode_ctx_set(inode, this, &ctx_int) == 0) {
- LOCK_INIT(&ctx_ptr->lock);
- INIT_LIST_HEAD(&ctx_ptr->aqueue);
- INIT_LIST_HEAD(&ctx_ptr->pqueue);
- } else {
- GF_FREE(ctx_ptr);
- ctx_ptr = NULL;
- }
- }
-
- }
-
- return ctx_ptr;
-}
-
-jbr_fd_ctx_t *
-jbr_get_fd_ctx (xlator_t *this, fd_t *fd)
-{
- uint64_t ctx_int = 0LL;
- jbr_fd_ctx_t *ctx_ptr;
-
- if (__fd_ctx_get(fd, this, &ctx_int) == 0) {
- ctx_ptr = (jbr_fd_ctx_t *)(long)ctx_int;
- } else {
- ctx_ptr = GF_CALLOC (1, sizeof(*ctx_ptr), gf_mt_jbr_fd_ctx_t);
- if (ctx_ptr) {
- if (__fd_ctx_set(fd, this, (uint64_t)ctx_ptr) == 0) {
- INIT_LIST_HEAD(&ctx_ptr->dirty_list);
- INIT_LIST_HEAD(&ctx_ptr->fd_list);
- } else {
- GF_FREE(ctx_ptr);
- ctx_ptr = NULL;
- }
- }
-
- }
-
- return ctx_ptr;
-}
-
-void
-jbr_mark_fd_dirty (xlator_t *this, jbr_local_t *local)
-{
- fd_t *fd = local->fd;
- jbr_fd_ctx_t *ctx_ptr;
- jbr_dirty_list_t *dirty;
- jbr_private_t *priv = this->private;
-
- /*
- * TBD: don't do any of this for O_SYNC/O_DIRECT writes.
- * Unfortunately, that optimization requires that we distinguish
- * between writev and other "write" calls, saving the original flags
- * and checking them in the callback. Too much work for too little
- * gain right now.
- */
-
- LOCK(&fd->lock);
- ctx_ptr = jbr_get_fd_ctx(this, fd);
- dirty = GF_CALLOC(1, sizeof(*dirty), gf_mt_jbr_dirty_t);
- if (ctx_ptr && dirty) {
- gf_msg_trace (this->name, 0,
- "marking fd %p as dirty (%p)", fd, dirty);
- /* TBD: fill dirty->id from what changelog gave us */
- list_add_tail(&dirty->links, &ctx_ptr->dirty_list);
- if (list_empty(&ctx_ptr->fd_list)) {
- /* Add a ref so _release doesn't get called. */
- ctx_ptr->fd = fd_ref(fd);
- LOCK(&priv->dirty_lock);
- list_add_tail (&ctx_ptr->fd_list,
- &priv->dirty_fds);
- UNLOCK(&priv->dirty_lock);
- }
- } else {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- J_MSG_MEM_ERR, "could not mark %p dirty", fd);
- if (ctx_ptr) {
- GF_FREE(ctx_ptr);
- }
- if (dirty) {
- GF_FREE(dirty);
- }
- }
- UNLOCK(&fd->lock);
-}
-
-#define JBR_TERM_XATTR "trusted.jbr.term"
-#define JBR_INDEX_XATTR "trusted.jbr.index"
-#define JBR_REP_COUNT_XATTR "trusted.jbr.rep-count"
-#define RECON_TERM_XATTR "trusted.jbr.recon-term"
-#define RECON_INDEX_XATTR "trusted.jbr.recon-index"
-
-int32_t
-jbr_leader_checks_and_init (call_frame_t *frame, xlator_t *this, int *op_errno,
- dict_t *xdata, fd_t *fd)
-{
- jbr_local_t *local = NULL;
- jbr_private_t *priv = NULL;
- int32_t ret = -1;
- gf_boolean_t result = _gf_false;
- int from_leader = _gf_false;
- int from_recon = _gf_false;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
- GF_VALIDATE_OR_GOTO (this->name, op_errno, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
-
- /*
- * Our first goal here is to avoid "split brain surprise" for users who
- * specify exactly 50% with two- or three-way replication. That means
- * either a more-than check against half the total replicas or an
- * at-least check against half of our peers (one less). Of the two,
- * only an at-least check supports the intuitive use of 100% to mean
- * all replicas must be present, because "more than 100%" will never
- * succeed regardless of which count we use. This leaves us with a
- * slightly non-traditional definition of quorum ("at least X% of peers
- * not including ourselves") but one that's useful enough to be worth
- * it.
- *
- * Note that n_children and up_children *do* include the local
- * subvolume, so we need to subtract one in each case.
- */
- if (priv->leader) {
- result = fop_quorum_check (this, (double)(priv->n_children - 1),
- (double)(priv->up_children - 1));
-
- if (result == _gf_false) {
- /* Emulate the AFR client-side-quorum behavior. */
- gf_msg (this->name, GF_LOG_ERROR, EROFS,
- J_MSG_QUORUM_NOT_MET, "Sufficient number of "
- "subvolumes are not up to meet quorum.");
- *op_errno = EROFS;
- goto out;
- }
- } else {
- if (xdata) {
- from_leader = !!dict_get(xdata, JBR_TERM_XATTR);
- from_recon = !!dict_get(xdata, RECON_TERM_XATTR)
- && !!dict_get(xdata, RECON_INDEX_XATTR);
- } else {
- from_leader = from_recon = _gf_false;
- }
-
- /* follower/recon path *
- * just send it to local node *
- */
- if (!from_leader && !from_recon) {
- *op_errno = EREMOTE;
- goto out;
- }
- }
-
- local = mem_get0(this->local_pool);
- if (!local) {
- goto out;
- }
-
- if (fd)
- local->fd = fd_ref(fd);
- else
- local->fd = NULL;
-
- INIT_LIST_HEAD(&local->qlinks);
- local->successful_acks = 0;
- frame->local = local;
-
- ret = 0;
-out:
- return ret;
-}
-
-int32_t
-jbr_initialize_xdata_set_attrs (xlator_t *this, dict_t **xdata)
-{
- jbr_private_t *priv = NULL;
- int32_t ret = -1;
- uint32_t ti = 0;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
- GF_VALIDATE_OR_GOTO (this->name, xdata, out);
-
- if (!*xdata) {
- *xdata = dict_new();
- if (!*xdata) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- J_MSG_MEM_ERR, "failed to allocate xdata");
- goto out;
- }
- }
-
- if (dict_set_int32(*xdata, JBR_TERM_XATTR, priv->current_term) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR, "failed to set jbr-term");
- goto out;
- }
-
- LOCK(&priv->index_lock);
- ti = ++(priv->index);
- UNLOCK(&priv->index_lock);
- if (dict_set_int32(*xdata, JBR_INDEX_XATTR, ti) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR, "failed to set index");
- goto out;
- }
-
- ret = 0;
-out:
- return ret;
-}
-
-int32_t
-jbr_remove_from_queue (call_frame_t *frame, xlator_t *this)
-{
- int32_t ret = -1;
- jbr_inode_ctx_t *ictx = NULL;
- jbr_local_t *local = NULL;
- jbr_local_t *next = NULL;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, local, out);
-
- if (local->qlinks.next != &local->qlinks) {
- list_del(&local->qlinks);
- ictx = jbr_get_inode_ctx(this, local->fd->inode);
- if (ictx) {
- LOCK(&ictx->lock);
- if (ictx->pending) {
- /*
- * TBD: dequeue *all* non-conflicting
- * reqs
- *
- * With the stub implementation there
- * can only be one request active at a
- * time (zero here) so it's not an
- * issue. In a real implementation
- * there might still be other active
- * requests to check against, and
- * multiple pending requests that could
- * continue.
- */
- gf_msg_debug (this->name, 0,
- "unblocking next request");
- --(ictx->pending);
- next = list_entry (ictx->pqueue.next,
- jbr_local_t, qlinks);
- list_del(&next->qlinks);
- list_add_tail(&next->qlinks,
- &ictx->aqueue);
- call_resume(next->qstub);
- } else {
- --(ictx->active);
- }
- UNLOCK(&ictx->lock);
- }
- }
-
- ret = 0;
-
-out:
- return ret;
-}
-
-int32_t
-jbr_lk_complete (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- struct gf_flock *flock, dict_t *xdata)
-{
- int32_t ret = -1;
- jbr_private_t *priv = NULL;
- jbr_local_t *local = NULL;
- gf_boolean_t result = _gf_false;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, err);
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, priv, err);
- GF_VALIDATE_OR_GOTO (this->name, frame, err);
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, local, err);
- GF_VALIDATE_OR_GOTO (this->name, flock, err);
- GF_VALIDATE_OR_GOTO (this->name, xdata, err);
-
- /*
- * Remove from queue for unlock operation only *
- * For lock operation, it will be done in fan-in *
- */
- if (flock->l_type == F_UNLCK) {
- ret = jbr_remove_from_queue (frame, this);
- if (ret)
- goto err;
- }
-
- /*
- * On a follower, unwind with the op_ret and op_errno. On a *
- * leader, if the fop is a locking fop, and its a failure, *
- * send fail, else call stub which will dispatch the fop to *
- * the followers. *
- * *
- * If the fop is a unlocking fop, check quorum. If quorum *
- * is met, then send success. Else Rollback on leader, *
- * followed by followers, and then send -ve ack to client. *
- */
- if (priv->leader) {
-
- /* Increase the successful acks if it's a success. */
- LOCK(&frame->lock);
- if (op_ret != -1)
- (local->successful_acks)++;
- UNLOCK(&frame->lock);
-
- if (flock->l_type == F_UNLCK) {
- result = fop_quorum_check (this,
- (double)priv->n_children,
- (double)local->successful_acks);
- if (result == _gf_false) {
- op_ret = -1;
- op_errno = EROFS;
- gf_msg (this->name, GF_LOG_ERROR, EROFS,
- J_MSG_QUORUM_NOT_MET,
- "Quorum is not met. "
- "The operation has failed.");
-
- /* TODO: PERFORM UNLOCK ROLLBACK ON LEADER *
- * FOLLOWED BY FOLLOWERS. */
- } else {
- op_ret = 0;
- op_errno = 0;
- }
-
- fd_unref(local->fd);
- STACK_UNWIND_STRICT (lk, frame, op_ret, op_errno,
- flock, xdata);
- } else {
- if (op_ret == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_LOCK_FAILURE,
- "The lock operation failed on "
- "the leader.");
-
- fd_unref(local->fd);
- STACK_UNWIND_STRICT (lk, frame, op_ret,
- op_errno, flock, xdata);
- } else {
- if (!local->stub) {
- goto err;
- }
-
- call_resume(local->stub);
- }
- }
- } else {
- fd_unref(local->fd);
- STACK_UNWIND_STRICT (lk, frame, op_ret, op_errno,
- flock, xdata);
- }
-
- return 0;
-
-err:
- if (local) {
- if (local->stub) {
- call_stub_destroy(local->stub);
- }
- if (local->qstub) {
- call_stub_destroy(local->qstub);
- }
- if (local->fd) {
- fd_unref(local->fd);
- }
- mem_put(local);
- }
- STACK_UNWIND_STRICT (lk, frame, -1, op_errno,
- flock, xdata);
- return 0;
-}
-
-int32_t
-jbr_lk_fan_in (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct gf_flock *flock,
- dict_t *xdata)
-{
- uint8_t call_count = -1;
- int32_t ret = -1;
- gf_boolean_t result = _gf_false;
- jbr_local_t *local = NULL;
- jbr_private_t *priv = NULL;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- priv = this->private;
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
- GF_VALIDATE_OR_GOTO (this->name, local, out);
-
- gf_msg_trace (this->name, 0, "op_ret = %d, op_errno = %d\n",
- op_ret, op_errno);
-
- LOCK(&frame->lock);
- call_count = --(local->call_count);
- if (op_ret != -1) {
- /* Increment the number of successful acks *
- * received for the operation. *
- */
- (local->successful_acks)++;
- local->successful_op_ret = op_ret;
- }
- gf_msg_debug (this->name, 0, "succ_acks = %d, op_ret = %d, op_errno = %d\n",
- op_ret, op_errno, local->successful_acks);
- UNLOCK(&frame->lock);
-
- if (call_count == 0) {
- /*
- * If the fop is a locking fop, then check quorum. If quorum *
- * is met, send successful ack to the client. If quorum is *
- * not met, then rollback locking on followers, followed by *
- * rollback of locking on leader, and then sending -ve ack *
- * to the client. *
- * *
- * If the fop is a unlocking fop, then call stub. *
- */
- if (flock->l_type == F_UNLCK) {
- call_resume(local->stub);
- } else {
- /*
- * Remove from queue for locking fops, for unlocking *
- * fops, it is taken care of in jbr_lk_complete *
- */
- ret = jbr_remove_from_queue (frame, this);
- if (ret)
- goto out;
-
- fd_unref(local->fd);
-
- result = fop_quorum_check (this,
- (double)priv->n_children,
- (double)local->successful_acks);
- if (result == _gf_false) {
- gf_msg (this->name, GF_LOG_ERROR, EROFS,
- J_MSG_QUORUM_NOT_MET,
- "Didn't receive enough acks to meet "
- "quorum. Failing the locking "
- "operation and initiating rollback on "
- "followers and the leader "
- "respectively.");
-
- /* TODO: PERFORM ROLLBACK OF LOCKING ON
- * FOLLOWERS, FOLLOWED BY ROLLBACK ON
- * LEADER.
- */
-
- STACK_UNWIND_STRICT (lk, frame, -1, EROFS,
- flock, xdata);
- } else {
- STACK_UNWIND_STRICT (lk, frame, 0, 0,
- flock, xdata);
- }
- }
- }
-
- ret = 0;
-out:
- return ret;
-}
-
-/*
- * Called from leader for locking fop, being writen as a separate *
- * function so as to support queues. *
- */
-int32_t
-jbr_perform_lk_on_leader (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int32_t cmd, struct gf_flock *flock,
- dict_t *xdata)
-{
- int32_t ret = -1;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- GF_VALIDATE_OR_GOTO (this->name, flock, out);
- GF_VALIDATE_OR_GOTO (this->name, fd, out);
-
- STACK_WIND (frame, jbr_lk_complete,
- FIRST_CHILD(this), FIRST_CHILD(this)->fops->lk,
- fd, cmd, flock, xdata);
-
- ret = 0;
-out:
- return ret;
-}
-
-int32_t
-jbr_lk_perform_local_op (call_frame_t *frame, xlator_t *this, int *op_errno,
- fd_t *fd, int32_t cmd, struct gf_flock *flock,
- dict_t *xdata)
-{
- int32_t ret = -1;
- jbr_local_t *local = NULL;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, local, out);
- GF_VALIDATE_OR_GOTO (this->name, fd, out);
- GF_VALIDATE_OR_GOTO (this->name, op_errno, out);
- GF_VALIDATE_OR_GOTO (this->name, flock, out);
-
- /*
- * Check if the fop is a locking fop or unlocking fop, and
- * handle it accordingly. If it is a locking fop, take the
- * lock on leader first, and then send it to the followers.
- * If it is a unlocking fop, unlock the followers first,
- * and then on meeting quorum perform the unlock on the leader.
- */
- if (flock->l_type == F_UNLCK) {
- ret = jbr_lk_call_dispatch (frame, this, op_errno,
- fd, cmd, flock, xdata);
- if (ret)
- goto out;
- } else {
- jbr_inode_ctx_t *ictx = jbr_get_inode_ctx(this, fd->inode);
-
- if (!ictx) {
- *op_errno = EIO;
- goto out;
- }
-
- LOCK(&ictx->lock);
- if (ictx->active) {
- gf_msg_debug (this->name, 0,
- "queuing request due to conflict");
-
- local->qstub = fop_lk_stub (frame,
- jbr_perform_lk_on_leader,
- fd, cmd, flock, xdata);
- if (!local->qstub) {
- UNLOCK(&ictx->lock);
- goto out;
- }
- list_add_tail(&local->qlinks, &ictx->pqueue);
- ++(ictx->pending);
- UNLOCK(&ictx->lock);
- ret = 0;
- goto out;
- } else {
- list_add_tail(&local->qlinks, &ictx->aqueue);
- ++(ictx->active);
- }
- UNLOCK(&ictx->lock);
- ret = jbr_perform_lk_on_leader (frame, this, fd, cmd,
- flock, xdata);
- }
-
- ret = 0;
-out:
- return ret;
-}
-
-int32_t
-jbr_lk_continue (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int32_t cmd, struct gf_flock *flock, dict_t *xdata)
-{
- int32_t ret = -1;
- jbr_local_t *local = NULL;
- jbr_private_t *priv = NULL;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- priv = this->private;
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, priv, out);
- GF_VALIDATE_OR_GOTO (this->name, local, out);
- GF_VALIDATE_OR_GOTO (this->name, flock, out);
- GF_VALIDATE_OR_GOTO (this->name, fd, out);
- GF_VALIDATE_OR_GOTO (this->name, xdata, out);
-
- /*
- * If it's a locking fop, then call dispatch to followers *
- * If it's a unlock fop, then perform the unlock operation *
- */
- if (flock->l_type == F_UNLCK) {
- STACK_WIND (frame, jbr_lk_complete,
- FIRST_CHILD(this), FIRST_CHILD(this)->fops->lk,
- fd, cmd, flock, xdata);
- } else {
- /*
- * Directly call jbr_lk_dispatch instead of appending *
- * in queue, which is done at jbr_lk_perform_local_op *
- * for locking fops *
- */
- ret = jbr_lk_dispatch (frame, this, fd, cmd,
- flock, xdata);
- if (ret) {
- STACK_UNWIND_STRICT (lk, frame, -1, 0,
- flock, xdata);
- goto out;
- }
- }
-
- ret = 0;
-out:
- return ret;
-}
-
-uint8_t
-jbr_count_up_kids (jbr_private_t *priv)
-{
- uint8_t retval = 0;
- uint8_t i;
-
- for (i = 0; i < priv->n_children; ++i) {
- if (priv->kid_state & (1 << i)) {
- ++retval;
- }
- }
-
- return retval;
-}
-
-/*
- * The fsync machinery looks a lot like that for any write call, but there are
- * some important differences that are easy to miss. First, we don't care
- * about the xdata that shows whether the call came from a leader or
- * reconciliation process. If we're the leader we fan out; if we're not we
- * don't. Second, we don't wait for followers before we issue the local call.
- * The code generation system could be updated to handle this, and still might
- * if we need to implement other "almost identical" paths (e.g. for open), but
- * a copy is more readable as long as it's just one.
- */
-
-int32_t
-jbr_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
-{
- jbr_local_t *local = frame->local;
- gf_boolean_t unwind;
-
- LOCK(&frame->lock);
- unwind = !--(local->call_count);
- UNLOCK(&frame->lock);
-
- if (unwind) {
- STACK_UNWIND_STRICT (fsync, frame, op_ret, op_errno, prebuf,
- postbuf, xdata);
- }
- return 0;
-}
-
-int32_t
-jbr_fsync_local_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
-{
- jbr_dirty_list_t *dirty;
- jbr_dirty_list_t *dtmp;
- jbr_local_t *local = frame->local;
-
- list_for_each_entry_safe (dirty, dtmp, &local->qlinks, links) {
- gf_msg_trace (this->name, 0,
- "sending post-op on %p (%p)", local->fd, dirty);
- GF_FREE(dirty);
- }
-
- return jbr_fsync_cbk (frame, cookie, this, op_ret, op_errno,
- prebuf, postbuf, xdata);
-}
-
-int32_t
-jbr_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags,
- dict_t *xdata)
-{
- jbr_private_t *priv = this->private;
- jbr_local_t *local;
- uint64_t ctx_int = 0LL;
- jbr_fd_ctx_t *ctx_ptr;
- xlator_list_t *trav;
-
- local = mem_get0(this->local_pool);
- if (!local) {
- STACK_UNWIND_STRICT(fsync, frame, -1, ENOMEM,
- NULL, NULL, xdata);
- return 0;
- }
- INIT_LIST_HEAD(&local->qlinks);
- frame->local = local;
-
- /* Move the dirty list from the fd to the fsync request. */
- LOCK(&fd->lock);
- if (__fd_ctx_get(fd, this, &ctx_int) == 0) {
- ctx_ptr = (jbr_fd_ctx_t *)(long)ctx_int;
- list_splice_init (&ctx_ptr->dirty_list,
- &local->qlinks);
- }
- UNLOCK(&fd->lock);
-
- /* Issue the local call. */
- local->call_count = priv->leader ? priv->n_children : 1;
- STACK_WIND (frame, jbr_fsync_local_cbk,
- FIRST_CHILD(this), FIRST_CHILD(this)->fops->fsync,
- fd, flags, xdata);
-
- /* Issue remote calls if we're the leader. */
- if (priv->leader) {
- for (trav = this->children->next; trav; trav = trav->next) {
- STACK_WIND (frame, jbr_fsync_cbk,
- FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->fsync,
- fd, flags, xdata);
- }
- }
-
- return 0;
-}
-
-int32_t
-jbr_getxattr_special (call_frame_t *frame, xlator_t *this, loc_t *loc,
- const char *name, dict_t *xdata)
-{
- dict_t *result;
- jbr_private_t *priv = this->private;
-
- if (!priv->leader) {
- STACK_UNWIND_STRICT (getxattr, frame, -1, EREMOTE, NULL, NULL);
- return 0;
- }
-
- if (!name || (strcmp(name, JBR_REP_COUNT_XATTR) != 0)) {
- STACK_WIND_TAIL (frame,
- FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->getxattr,
- loc, name, xdata);
- return 0;
- }
-
- result = dict_new();
- if (!result) {
- goto dn_failed;
- }
-
- priv->up_children = jbr_count_up_kids(this->private);
- if (dict_set_uint32(result, JBR_REP_COUNT_XATTR,
- priv->up_children) != 0) {
- goto dsu_failed;
- }
-
- STACK_UNWIND_STRICT (getxattr, frame, 0, 0, result, NULL);
- dict_unref(result);
- return 0;
-
-dsu_failed:
- dict_unref(result);
-dn_failed:
- STACK_UNWIND_STRICT (getxattr, frame, -1, ENOMEM, NULL, NULL);
- return 0;
-}
-
-void
-jbr_flush_fd (xlator_t *this, jbr_fd_ctx_t *fd_ctx)
-{
- jbr_dirty_list_t *dirty;
- jbr_dirty_list_t *dtmp;
-
- list_for_each_entry_safe (dirty, dtmp, &fd_ctx->dirty_list, links) {
- gf_msg_trace (this->name, 0,
- "sending post-op on %p (%p)", fd_ctx->fd, dirty);
- GF_FREE(dirty);
- }
-
- INIT_LIST_HEAD(&fd_ctx->dirty_list);
-}
-
-void *
-jbr_flush_thread (void *ctx)
-{
- xlator_t *this = ctx;
- jbr_private_t *priv = this->private;
- struct list_head dirty_fds;
- jbr_fd_ctx_t *fd_ctx;
- jbr_fd_ctx_t *fd_tmp;
- int ret;
-
- for (;;) {
- /*
- * We have to be very careful to avoid lock inversions here, so
- * we can't just hold priv->dirty_lock while we take and
- * release locks for each fd. Instead, we only hold dirty_lock
- * at the beginning of each iteration, as we (effectively) make
- * a copy of the current list head and then clear the original.
- * This leads to four scenarios for adding the first entry to
- * an fd and potentially putting it on the global list.
- *
- * (1) While we're asleep. No lock contention, it just gets
- * added and will be processed on the next iteration.
- *
- * (2) After we've made a local copy, but before we've started
- * processing that fd. The new entry will be added to the
- * fd (under its lock), and we'll process it on the current
- * iteration.
- *
- * (3) While we're processing the fd. They'll block on the fd
- * lock, then see that the list is empty and put it on the
- * global list. We'll process it here on the next
- * iteration.
- *
- * (4) While we're working, but after we've processed that fd.
- * Same as (1) as far as that fd is concerned.
- */
- INIT_LIST_HEAD(&dirty_fds);
- LOCK(&priv->dirty_lock);
- list_splice_init(&priv->dirty_fds, &dirty_fds);
- UNLOCK(&priv->dirty_lock);
-
- list_for_each_entry_safe (fd_ctx, fd_tmp, &dirty_fds, fd_list) {
- ret = syncop_fsync(FIRST_CHILD(this), fd_ctx->fd, 0,
- NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- J_MSG_SYS_CALL_FAILURE,
- "failed to fsync %p (%d)",
- fd_ctx->fd, -ret);
- }
-
- LOCK(&fd_ctx->fd->lock);
- jbr_flush_fd(this, fd_ctx);
- list_del_init(&fd_ctx->fd_list);
- UNLOCK(&fd_ctx->fd->lock);
- fd_unref(fd_ctx->fd);
- }
-
- sleep(JBR_FLUSH_INTERVAL);
- }
-
- return NULL;
-}
-
-
-int32_t
-jbr_get_changelog_dir (xlator_t *this, char **cl_dir_p)
-{
- xlator_t *cl_xl;
-
- /* Find our changelog translator. */
- cl_xl = this;
- while (cl_xl) {
- if (strcmp(cl_xl->type, "features/changelog") == 0) {
- break;
- }
- cl_xl = cl_xl->children->xlator;
- }
- if (!cl_xl) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_INIT_FAIL,
- "failed to find changelog translator");
- return ENOENT;
- }
-
- /* Find the actual changelog directory. */
- if (dict_get_str(cl_xl->options, "changelog-dir", cl_dir_p) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_INIT_FAIL,
- "failed to find changelog-dir for %s", cl_xl->name);
- return ENODATA;
- }
-
- return 0;
-}
-
-
-void
-jbr_get_terms (call_frame_t *frame, xlator_t *this)
-{
- int32_t op_errno = 0;
- char *cl_dir = NULL;
- int32_t term_first = -1;
- int32_t term_contig = -1;
- int32_t term_last = -1;
- int term_num = 0;
- char *probe_str = NULL;
- dict_t *my_xdata = NULL;
- DIR *fp = NULL;
- struct dirent *entry = NULL;
- struct dirent scratch[2] = {{0,},};
-
- op_errno = jbr_get_changelog_dir(this, &cl_dir);
- if (op_errno) {
- goto err; /* Error was already logged. */
- }
- op_errno = ENODATA; /* Most common error after this. */
-
- fp = sys_opendir (cl_dir);
- if (!fp) {
- op_errno = errno;
- goto err;
- }
-
- /* Find first and last terms. */
- for (;;) {
- errno = 0;
- entry = sys_readdir (fp, scratch);
- if (!entry || errno != 0) {
- if (errno != 0) {
- op_errno = errno;
- goto err;
- }
- break;
- }
-
- if (fnmatch("TERM.*", entry->d_name, FNM_PATHNAME) != 0) {
- continue;
- }
- /* +5 points to the character after the period */
- term_num = atoi(entry->d_name+5);
- gf_msg (this->name, GF_LOG_INFO, 0,
- J_MSG_GENERIC,
- "%s => %d", entry->d_name, term_num);
- if (term_num < 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_INVALID,
- "invalid term file name %s", entry->d_name);
- op_errno = EINVAL;
- goto err;
- }
- if ((term_first < 0) || (term_first > term_num)) {
- term_first = term_num;
- }
- if ((term_last < 0) || (term_last < term_num)) {
- term_last = term_num;
- }
- }
- if ((term_first < 0) || (term_last < 0)) {
- /* TBD: are we *sure* there should always be at least one? */
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_NO_DATA, "no terms found");
- op_errno = EINVAL;
- goto err;
- }
-
- (void) sys_closedir (fp);
- fp = NULL;
-
- /*
- * Find term_contig, which is the earliest term for which there are
- * no gaps between it and term_last.
- */
- for (term_contig = term_last; term_contig > 0; --term_contig) {
- if (gf_asprintf(&probe_str, "%s/TERM.%d",
- cl_dir, term_contig-1) <= 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_MEM_ERR,
- "failed to format term %d", term_contig-1);
- goto err;
- }
- if (sys_access(probe_str, F_OK) != 0) {
- GF_FREE(probe_str);
- break;
- }
- GF_FREE(probe_str);
- }
-
- gf_msg (this->name, GF_LOG_INFO, 0,
- J_MSG_GENERIC,
- "found terms %d-%d (%d)",
- term_first, term_last, term_contig);
-
- /* Return what we've found */
- my_xdata = dict_new();
- if (!my_xdata) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_MEM_ERR,
- "failed to allocate reply dictionary");
- goto err;
- }
- if (dict_set_int32(my_xdata, "term-first", term_first) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR,
- "failed to set term-first");
- goto err;
- }
- if (dict_set_int32(my_xdata, "term-contig", term_contig) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR,
- "failed to set term-contig");
- goto err;
- }
- if (dict_set_int32(my_xdata, "term-last", term_last) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR,
- "failed to set term-last");
- goto err;
- }
-
- /* Finally! */
- STACK_UNWIND_STRICT (ipc, frame, 0, 0, my_xdata);
- dict_unref(my_xdata);
- return;
-
-err:
- if (fp) {
- (void) sys_closedir (fp);
- }
- if (my_xdata) {
- dict_unref(my_xdata);
- }
- STACK_UNWIND_STRICT (ipc, frame, -1, op_errno, NULL);
-}
-
-
-long
-get_entry_count (xlator_t *this, int fd)
-{
- struct stat buf;
- long min; /* last entry not known to be empty */
- long max; /* first entry known to be empty */
- long curr;
- char entry[CHANGELOG_ENTRY_SIZE];
-
- if (sys_fstat (fd, &buf) < 0) {
- return -1;
- }
-
- min = 0;
- max = buf.st_size / CHANGELOG_ENTRY_SIZE;
-
- while ((min+1) < max) {
- curr = (min + max) / 2;
- if (sys_lseek(fd, curr*CHANGELOG_ENTRY_SIZE, SEEK_SET) < 0) {
- return -1;
- }
- if (sys_read(fd, entry, sizeof(entry)) != sizeof(entry)) {
- return -1;
- }
- if ((entry[0] == '_') && (entry[1] == 'P')) {
- min = curr;
- } else {
- max = curr;
- }
- }
-
- if (sys_lseek(fd, 0, SEEK_SET) < 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- J_MSG_SYS_CALL_FAILURE,
- "failed to reset offset");
- }
- return max;
-}
-
-
-void
-jbr_open_term (call_frame_t *frame, xlator_t *this, dict_t *xdata)
-{
- int32_t op_errno;
- char *cl_dir;
- char *term;
- char *path = NULL;
- jbr_private_t *priv = this->private;
-
- op_errno = jbr_get_changelog_dir(this, &cl_dir);
- if (op_errno) {
- goto err;
- }
-
- if (dict_get_str(xdata, "term", &term) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_NO_DATA, "missing term");
- op_errno = ENODATA;
- goto err;
- }
-
- if (gf_asprintf(&path, "%s/TERM.%s", cl_dir, term) < 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_MEM_ERR, "failed to construct path");
- op_errno = ENOMEM;
- goto err;
- }
-
- if (priv->term_fd >= 0) {
- sys_close (priv->term_fd);
- }
- priv->term_fd = open(path, O_RDONLY);
- if (priv->term_fd < 0) {
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_SYS_CALL_FAILURE,
- "failed to open term file");
- goto err;
- }
-
- priv->term_total = get_entry_count(this, priv->term_fd);
- if (priv->term_total < 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_NO_DATA, "failed to get entry count");
- sys_close (priv->term_fd);
- priv->term_fd = -1;
- op_errno = EIO;
- goto err;
- }
- priv->term_read = 0;
-
- /* Success! */
- STACK_UNWIND_STRICT (ipc, frame, 0, 0, NULL);
- GF_FREE (path);
- return;
-
-err:
- STACK_UNWIND_STRICT (ipc, frame, -1, op_errno, NULL);
- GF_FREE (path);
-}
-
-
-void
-jbr_next_entry (call_frame_t *frame, xlator_t *this)
-{
- int32_t op_errno = ENOMEM;
- jbr_private_t *priv = this->private;
- ssize_t nbytes;
- dict_t *my_xdata;
-
- if (priv->term_fd < 0) {
- op_errno = EBADFD;
- goto err;
- }
-
- if (priv->term_read >= priv->term_total) {
- op_errno = ENODATA;
- goto err;
- }
-
- nbytes = sys_read (priv->term_fd, priv->term_buf, CHANGELOG_ENTRY_SIZE);
- if (nbytes < CHANGELOG_ENTRY_SIZE) {
- if (nbytes < 0) {
- op_errno = errno;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_SYS_CALL_FAILURE,
- "error reading next entry: %s",
- strerror(errno));
- } else {
- op_errno = EIO;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_SYS_CALL_FAILURE,
- "got %zd/%d bytes for next entry",
- nbytes, CHANGELOG_ENTRY_SIZE);
- }
- goto err;
- }
- ++(priv->term_read);
-
- my_xdata = dict_new();
- if (!my_xdata) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_MEM_ERR, "failed to allocate reply xdata");
- goto err;
- }
-
- if (dict_set_static_bin(my_xdata, "data",
- priv->term_buf, CHANGELOG_ENTRY_SIZE) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_DICT_FLR, "failed to assign reply xdata");
- goto err;
- }
-
- STACK_UNWIND_STRICT (ipc, frame, 0, 0, my_xdata);
- dict_unref(my_xdata);
- return;
-
-err:
- STACK_UNWIND_STRICT (ipc, frame, -1, op_errno, NULL);
-}
-
-int32_t
-jbr_ipc_fan_in (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
-{
- jbr_local_t *local = NULL;
- int32_t ret = -1;
- uint8_t call_count;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, local, out);
-
- gf_msg_trace (this->name, 0, "op_ret = %d, op_errno = %d\n",
- op_ret, op_errno);
-
- LOCK(&frame->lock);
- call_count = --(local->call_count);
- UNLOCK(&frame->lock);
-
- if (call_count == 0) {
-#if defined(JBR_CG_QUEUE)
- ret = jbr_remove_from_queue (frame, this);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- J_MSG_GENERIC, "Failed to remove from queue.");
- }
-#endif
- /*
- * Unrefing the reference taken in continue() or complete() *
- */
- dict_unref (local->xdata);
- STACK_DESTROY (frame->root);
- }
-
- ret = 0;
-out:
- return ret;
-}
-
-int32_t
-jbr_ipc_complete (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- dict_t *xdata)
-{
- jbr_local_t *local = NULL;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- local = frame->local;
- GF_VALIDATE_OR_GOTO (this->name, local, out);
-
- jbr_ipc_call_dispatch (frame,
- this, &op_errno,
- FDL_IPC_JBR_SERVER_ROLLBACK,
- local->xdata);
-out:
- return 0;
-}
-
-int32_t
-jbr_ipc (call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata)
-{
- switch (op) {
- case JBR_SERVER_TERM_RANGE:
- jbr_get_terms(frame, this);
- break;
- case JBR_SERVER_OPEN_TERM:
- jbr_open_term(frame, this, xdata);
- break;
- case JBR_SERVER_NEXT_ENTRY:
- jbr_next_entry(frame, this);
- break;
- case FDL_IPC_JBR_SERVER_ROLLBACK:
- /*
- * Just send the fop down to fdl. Need not *
- * dispatch it to other bricks in the sub- *
- * volume, as it will be done where the op *
- * has failed. *
- */
- default:
- STACK_WIND_TAIL (frame,
- FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->ipc,
- op, xdata);
- }
-
- return 0;
-}
-
-#pragma generate
-
-int32_t
-jbr_forget (xlator_t *this, inode_t *inode)
-{
- uint64_t ctx = 0LL;
-
- if ((inode_ctx_del(inode, this, &ctx) == 0) && ctx) {
- GF_FREE((void *)(long)ctx);
- }
-
- return 0;
-}
-
-int32_t
-jbr_release (xlator_t *this, fd_t *fd)
-{
- uint64_t ctx = 0LL;
-
- if ((fd_ctx_del(fd, this, &ctx) == 0) && ctx) {
- GF_FREE((void *)(long)ctx);
- }
-
- return 0;
-}
-
-struct xlator_cbks cbks = {
- .forget = jbr_forget,
- .release = jbr_release,
-};
-
-int
-jbr_reconfigure (xlator_t *this, dict_t *options)
-{
- jbr_private_t *priv = this->private;
-
- GF_OPTION_RECONF ("leader",
- priv->config_leader, options, bool, err);
- GF_OPTION_RECONF ("quorum-percent",
- priv->quorum_pct, options, percent, err);
- gf_msg (this->name, GF_LOG_INFO, 0, J_MSG_GENERIC,
- "reconfigure called, config_leader = %d, quorum_pct = %.1f\n",
- priv->leader, priv->quorum_pct);
-
- priv->leader = priv->config_leader;
-
- return 0;
-
-err:
- return -1;
-}
-
-int
-jbr_get_child_index (xlator_t *this, xlator_t *kid)
-{
- xlator_list_t *trav;
- int retval = -1;
-
- for (trav = this->children; trav; trav = trav->next) {
- ++retval;
- if (trav->xlator == kid) {
- return retval;
- }
- }
-
- return -1;
-}
-
-/*
- * Child notify handling is unreasonably FUBAR. Sometimes we'll get a
- * CHILD_DOWN for a protocol/client child before we ever got a CHILD_UP for it.
- * Other times we won't. Because it's effectively random (probably racy), we
- * can't just maintain a count. We actually have to keep track of the state
- * for each child separately, to filter out the bogus CHILD_DOWN events, and
- * then generate counts on demand.
- */
-int
-jbr_notify (xlator_t *this, int event, void *data, ...)
-{
- jbr_private_t *priv = this->private;
- int index = -1;
- int ret = -1;
- gf_boolean_t result = _gf_false;
- gf_boolean_t relevant = _gf_false;
-
- switch (event) {
- case GF_EVENT_CHILD_UP:
- index = jbr_get_child_index(this, data);
- if (index >= 0) {
- /* Check if the child was previously down
- * and it's not a false CHILD_UP
- */
- if (!(priv->kid_state & (1 << index))) {
- relevant = _gf_true;
- }
-
- priv->kid_state |= (1 << index);
- priv->up_children = jbr_count_up_kids(priv);
- gf_msg (this->name, GF_LOG_INFO, 0, J_MSG_GENERIC,
- "got CHILD_UP for %s, now %u kids",
- ((xlator_t *)data)->name,
- priv->up_children);
- if (!priv->config_leader && (priv->up_children > 1)) {
- priv->leader = _gf_false;
- }
-
- /* If it's not relevant, or we have already *
- * sent CHILD_UP just break */
- if (!relevant || priv->child_up)
- break;
-
- /* If it's not a leader, just send the notify up */
- if (!priv->leader) {
- ret = default_notify(this, event, data);
- if (!ret)
- priv->child_up = _gf_true;
- break;
- }
-
- result = fop_quorum_check (this,
- (double)(priv->n_children - 1),
- (double)(priv->up_children - 1));
- if (result == _gf_false) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- J_MSG_GENERIC, "Not enough children "
- "are up to meet quorum. Waiting to "
- "send CHILD_UP from leader");
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0,
- J_MSG_GENERIC, "Enough children are up "
- "to meet quorum. Sending CHILD_UP "
- "from leader");
- ret = default_notify(this, event, data);
- if (!ret)
- priv->child_up = _gf_true;
- }
- }
- break;
- case GF_EVENT_CHILD_DOWN:
- index = jbr_get_child_index(this, data);
- if (index >= 0) {
- /* Check if the child was previously up
- * and it's not a false CHILD_DOWN
- */
- if (priv->kid_state & (1 << index)) {
- relevant = _gf_true;
- }
- priv->kid_state &= ~(1 << index);
- priv->up_children = jbr_count_up_kids(priv);
- gf_msg (this->name, GF_LOG_INFO, 0, J_MSG_GENERIC,
- "got CHILD_DOWN for %s, now %u kids",
- ((xlator_t *)data)->name,
- priv->up_children);
- if (!priv->config_leader && (priv->up_children < 2)
- && relevant) {
- priv->leader = _gf_true;
- }
-
- /* If it's not relevant, or we have already *
- * sent CHILD_DOWN just break */
- if (!relevant || !priv->child_up)
- break;
-
- /* If it's not a leader, just break coz we shouldn't *
- * propagate the failure from the failure till it *
- * itself goes down *
- */
- if (!priv->leader) {
- break;
- }
-
- result = fop_quorum_check (this,
- (double)(priv->n_children - 1),
- (double)(priv->up_children - 1));
- if (result == _gf_false) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- J_MSG_GENERIC, "Enough children are "
- "to down to fail quorum. "
- "Sending CHILD_DOWN from leader");
- ret = default_notify(this, event, data);
- if (!ret)
- priv->child_up = _gf_false;
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0,
- J_MSG_GENERIC, "Not enough children "
- "are down to fail quorum. Waiting to "
- "send CHILD_DOWN from leader");
- }
- }
- break;
- default:
- ret = default_notify(this, event, data);
- }
-
- return ret;
-}
-
-
-int32_t
-mem_acct_init (xlator_t *this)
-{
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO ("jbr", this, out);
-
- ret = xlator_mem_acct_init (this, gf_mt_jbr_end + 1);
-
- if (ret != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0, J_MSG_MEM_ERR,
- "Memory accounting init" "failed");
- return ret;
- }
-out:
- return ret;
-}
-
-
-void
-jbr_deallocate_priv (jbr_private_t *priv)
-{
- if (!priv) {
- return;
- }
-
- GF_FREE(priv);
-}
-
-
-int32_t
-jbr_init (xlator_t *this)
-{
- xlator_list_t *remote;
- xlator_list_t *local;
- jbr_private_t *priv = NULL;
- xlator_list_t *trav;
- pthread_t kid;
- extern xlator_t global_xlator;
- glusterfs_ctx_t *oldctx = global_xlator.ctx;
-
- /*
- * Any fop that gets special treatment has to be patched in here,
- * because the compiled-in table is produced by the code generator and
- * only contains generated functions. Note that we have to go through
- * this->fops because of some dynamic-linking strangeness; modifying
- * the static table doesn't work.
- */
- this->fops->getxattr = jbr_getxattr_special;
- this->fops->fsync = jbr_fsync;
-
- local = this->children;
- if (!local) {
- gf_msg (this->name, GF_LOG_ERROR, 0, J_MSG_NO_DATA,
- "no local subvolume");
- goto err;
- }
-
- remote = local->next;
- if (!remote) {
- gf_msg (this->name, GF_LOG_ERROR, 0, J_MSG_NO_DATA,
- "no remote subvolumes");
- goto err;
- }
-
- this->local_pool = mem_pool_new (jbr_local_t, 128);
- if (!this->local_pool) {
- gf_msg (this->name, GF_LOG_ERROR, 0, J_MSG_MEM_ERR,
- "failed to create jbr_local_t pool");
- goto err;
- }
-
- priv = GF_CALLOC (1, sizeof(*priv), gf_mt_jbr_private_t);
- if (!priv) {
- gf_msg (this->name, GF_LOG_ERROR, 0, J_MSG_MEM_ERR,
- "could not allocate priv");
- goto err;
- }
-
- for (trav = this->children; trav; trav = trav->next) {
- ++(priv->n_children);
- }
-
- LOCK_INIT(&priv->dirty_lock);
- LOCK_INIT(&priv->index_lock);
- INIT_LIST_HEAD(&priv->dirty_fds);
- priv->term_fd = -1;
-
- this->private = priv;
-
- GF_OPTION_INIT ("leader", priv->config_leader, bool, err);
- GF_OPTION_INIT ("quorum-percent", priv->quorum_pct, percent, err);
-
- priv->leader = priv->config_leader;
- priv->child_up = _gf_false;
-
- if (gf_thread_create (&kid, NULL, jbr_flush_thread, this,
- "jbrflush") != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0, J_MSG_SYS_CALL_FAILURE,
- "could not start flush thread");
- /* TBD: treat this as a fatal error? */
- }
-
- /*
- * Calling glfs_new changes old->ctx, even if THIS still points
- * to global_xlator. That causes problems later in the main
- * thread, when gf_log_dump_graph tries to use the FILE after
- * we've mucked with it and gets a segfault in __fprintf_chk.
- * We can avoid all that by undoing the damage before we
- * continue.
- */
- global_xlator.ctx = oldctx;
-
- return 0;
-
-err:
- jbr_deallocate_priv(priv);
- return -1;
-}
-
-
-void
-jbr_fini (xlator_t *this)
-{
- jbr_deallocate_priv(this->private);
-}
-
-class_methods_t class_methods = {
- .init = jbr_init,
- .fini = jbr_fini,
- .reconfigure = jbr_reconfigure,
- .notify = jbr_notify,
-};
-
-struct volume_options options[] = {
- { .key = {"leader"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "false",
- .description = "Start in the leader role. This is only for "
- "bootstrapping the code, and should go away when we "
- "have real leader election."
- },
- { .key = {"vol-name"},
- .type = GF_OPTION_TYPE_STR,
- .description = "volume name"
- },
- { .key = {"my-name"},
- .type = GF_OPTION_TYPE_STR,
- .description = "brick name in form of host:/path"
- },
- { .key = {"etcd-servers"},
- .type = GF_OPTION_TYPE_STR,
- .description = "list of comma separated etc servers"
- },
- { .key = {"subvol-uuid"},
- .type = GF_OPTION_TYPE_STR,
- .description = "UUID for this JBR (sub)volume"
- },
- { .key = {"quorum-percent"},
- .type = GF_OPTION_TYPE_PERCENT,
- .default_value = "50.0",
- .description = "percentage of rep_count-1 that must be up"
- },
- { .key = {NULL} },
-};
diff --git a/xlators/experimental/posix2/Makefile.am b/xlators/experimental/posix2/Makefile.am
deleted file mode 100644
index 74e5ab0..0000000
--- a/xlators/experimental/posix2/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = common mds ds
-
-CLEANFILES =
diff --git a/xlators/experimental/posix2/README.md b/xlators/experimental/posix2/README.md
deleted file mode 100644
index 955a98d..0000000
--- a/xlators/experimental/posix2/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# POSIX2 Experimental README
-
-POSIX2 is an implementation of modified storage translator to cater to DHT2
-on disk needs.
-
-For further understanding, refer to xlators/experimental/dht2/README.md for
-details regarding POSIX2
diff --git a/xlators/experimental/posix2/TODO.md b/xlators/experimental/posix2/TODO.md
deleted file mode 100644
index 20cd1e8..0000000
--- a/xlators/experimental/posix2/TODO.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# POSIX2 TODO List
-
-<Items will be added as code is pulled into the repository> \ No newline at end of file
diff --git a/xlators/experimental/posix2/common/Makefile.am b/xlators/experimental/posix2/common/Makefile.am
deleted file mode 100644
index a985f42..0000000
--- a/xlators/experimental/posix2/common/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/experimental/posix2/common/src/Makefile.am b/xlators/experimental/posix2/common/src/Makefile.am
deleted file mode 100644
index 07533d2..0000000
--- a/xlators/experimental/posix2/common/src/Makefile.am
+++ /dev/null
@@ -1,16 +0,0 @@
-lib_LTLIBRARIES = libposix2common.la
-
-posix2_common_sources = posix2-common.c
-
-libposix2common_la_SOURCES = $(posix2_common_sources)
-libposix2common_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-
-libposix2common_la_CFLAGS = -Wall $(GF_CFLAGS)
-
-libposix2common_la_CPPFLAGS = $(GF_CPPFLAGS)
-libposix2common_la_CPPFLAGS += -I$(top_srcdir)/libglusterfs/src
-libposix2common_la_CPPFLAGS += -I$(top_srcdir)/rpc/xdr/src
-libposix2common_la_CPPFLAGS += -I$(top_builddir)/rpc/xdr/src
-
-
-CLEANFILES =
diff --git a/xlators/experimental/posix2/common/src/posix2-common.c b/xlators/experimental/posix2/common/src/posix2-common.c
deleted file mode 100644
index 14b51d5..0000000
--- a/xlators/experimental/posix2/common/src/posix2-common.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-/* File: posix2-common.c
- * This file contains common routines across ds and mds posix xlators
- * The entire functionality including comments is TODO.
- */
-
-#include "glusterfs.h"
-#include "logging.h"
-#include "statedump.h"
diff --git a/xlators/experimental/posix2/ds/Makefile.am b/xlators/experimental/posix2/ds/Makefile.am
deleted file mode 100644
index a985f42..0000000
--- a/xlators/experimental/posix2/ds/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/experimental/posix2/ds/src/Makefile.am b/xlators/experimental/posix2/ds/src/Makefile.am
deleted file mode 100644
index d77ef8c..0000000
--- a/xlators/experimental/posix2/ds/src/Makefile.am
+++ /dev/null
@@ -1,22 +0,0 @@
-if WITH_SERVER
-xlator_LTLIBRARIES = posix2-ds.la
-endif
-xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/experimental
-
-posix2_ds_sources = posix2-ds-main.c
-
-posix2_ds_la_SOURCES = $(posix2_ds_sources)
-posix2_ds_la_LDFLAGS = -module -avoid-version
-posix2_ds_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-posix2_ds_la_LIBADD += $(top_builddir)/xlators/experimental/posix2/common/src/libposix2common.la
-
-AM_CFLAGS = -Wall $(GF_CFLAGS)
-
-AM_CPPFLAGS = $(GF_CPPFLAGS)
-AM_CPPFLAGS += -I$(top_srcdir)/xlators/storage/posix2/common/src
-AM_CPPFLAGS += -I$(top_srcdir)/libglusterfs/src
-AM_CPPFLAGS += -I$(top_srcdir)/xlators/lib/src
-AM_CPPFLAGS += -I$(top_srcdir)/rpc/xdr/src
-AM_CPPFLAGS += -I$(top_builddir)/rpc/xdr/src
-
-CLEANFILES =
diff --git a/xlators/experimental/posix2/ds/src/posix2-ds-main.c b/xlators/experimental/posix2/ds/src/posix2-ds-main.c
deleted file mode 100644
index 675c4d7..0000000
--- a/xlators/experimental/posix2/ds/src/posix2-ds-main.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-/* File: posix2-ds-main.c
- * This file contains the xlator loading functions, FOP entry points
- * and options.
- * The entire functionality including comments is TODO.
- */
-
-#include "glusterfs.h"
-#include "xlator.h"
-#include "logging.h"
-#include "statedump.h"
-
-int32_t
-posix2_ds_init (xlator_t *this)
-{
- if (this->children) {
- gf_log (this->name, GF_LOG_ERROR,
- "This (%s) is a leaf xlator, but found children",
- this->name);
- return -1;
- }
-
- return 0;
-}
-
-void
-posix2_ds_fini (xlator_t *this)
-{
- return;
-}
-
-class_methods_t class_methods = {
- .init = posix2_ds_init,
- .fini = posix2_ds_fini,
-};
-
-struct xlator_fops fops = {
-};
-
-struct xlator_cbks cbks = {
-};
-
-/*
-struct xlator_dumpops dumpops = {
-};
-*/
-
-struct volume_options options[] = {
- { .key = {NULL} },
-};
diff --git a/xlators/experimental/posix2/mds/Makefile.am b/xlators/experimental/posix2/mds/Makefile.am
deleted file mode 100644
index a985f42..0000000
--- a/xlators/experimental/posix2/mds/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/experimental/posix2/mds/src/Makefile.am b/xlators/experimental/posix2/mds/src/Makefile.am
deleted file mode 100644
index c6411f4..0000000
--- a/xlators/experimental/posix2/mds/src/Makefile.am
+++ /dev/null
@@ -1,22 +0,0 @@
-if WITH_SERVER
-xlator_LTLIBRARIES = posix2-mds.la
-endif
-xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/experimental
-
-posix2_mds_sources = posix2-mds-main.c
-
-posix2_mds_la_SOURCES = $(posix2_mds_sources)
-posix2_mds_la_LDFLAGS = -module -avoid-version
-posix2_mds_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-posix2_mds_la_LIBADD += $(top_builddir)/xlators/experimental/posix2/common/src/libposix2common.la
-
-AM_CFLAGS = -Wall $(GF_CFLAGS)
-
-AM_CPPFLAGS = $(GF_CPPFLAGS)
-AM_CPPFLAGS += -I$(top_srcdir)/xlators/storage/posix2/common/src
-AM_CPPFLAGS += -I$(top_srcdir)/libglusterfs/src
-AM_CPPFLAGS += -I$(top_srcdir)/xlators/lib/src
-AM_CPPFLAGS += -I$(top_srcdir)/rpc/xdr/src
-AM_CPPFLAGS += -I$(top_builddir)/rpc/xdr/src
-
-CLEANFILES =
diff --git a/xlators/experimental/posix2/mds/src/posix2-mds-main.c b/xlators/experimental/posix2/mds/src/posix2-mds-main.c
deleted file mode 100644
index 71ff4e0..0000000
--- a/xlators/experimental/posix2/mds/src/posix2-mds-main.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-/* File: posix2-mds-main.c
- * This file contains the xlator loading functions, FOP entry points
- * and options.
- * The entire functionality including comments is TODO.
- */
-
-#include "glusterfs.h"
-#include "xlator.h"
-#include "logging.h"
-#include "statedump.h"
-
-int32_t
-posix2_mds_init (xlator_t *this)
-{
- if (this->children) {
- gf_log (this->name, GF_LOG_ERROR,
- "This (%s) is a leaf xlator, but found children",
- this->name);
- return -1;
- }
-
- return 0;
-}
-
-void
-posix2_mds_fini (xlator_t *this)
-{
- return;
-}
-
-class_methods_t class_methods = {
- .init = posix2_mds_init,
- .fini = posix2_mds_fini,
-};
-
-struct xlator_fops fops = {
-};
-
-struct xlator_cbks cbks = {
-};
-
-/*
-struct xlator_dumpops dumpops = {
-};
-*/
-
-struct volume_options options[] = {
- { .key = {NULL} },
-};
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
index 0f4df92..86b1a39 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
@@ -3525,28 +3525,6 @@ struct volopt_map_entry glusterd_volopt_map[] = {
.op_version = GD_OP_VERSION_3_7_6,
.flags = VOLOPT_FLAG_CLIENT_OPT
},
- { .key = "cluster.jbr",
- .voltype = "experimental/jbr",
- .option = "!jbr",
- .op_version = GD_OP_VERSION_4_0_0,
- .description = "enable JBR instead of AFR for replication",
- .flags = VOLOPT_FLAG_CLIENT_OPT | VOLOPT_FLAG_XLATOR_OPT
- },
- { .key = "cluster.jbr.quorum-percent",
- .voltype = "experimental/jbr",
- .option = "quorum-percent",
- .op_version = GD_OP_VERSION_4_0_0,
- .description = "percent of rep_count-1 bricks that must be up"
- },
- /* Full Data Logging */
- {
- .key = "features.fdl",
- .voltype = "features/fdl",
- .option = "!fdl",
- .op_version = GD_OP_VERSION_4_0_0,
- .flags = VOLOPT_FLAG_XLATOR_OPT,
- .type = NO_DOC,
- },
{ .key = "cluster.shd-max-threads",
.voltype = "cluster/replicate",
.op_version = GD_OP_VERSION_3_7_12,