| Commit message (Collapse) | Author | Age | Files | Lines |
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* Remove the options to load old symbol.
* keep only 'xlator_api' symbol from being exported using xlator.sym
* add xlator_api to all the xlators where its missing
NOTE: This covers all the xlators which has at least a test case
to validate its loading. If there is a translator, which doesn't
have any test, then we should probably remove that from codebase.
fixes: #164
Change-Id: Ibcdc8c9844cda6b4463d907a15813745d14c1ebb
Signed-off-by: Amar Tumballi <amarts@redhat.com>
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Based on the proposal to remove few features as they are not
actively maintained [1], removing tier translator from the
build. Also make sure there are no regression tests involving
tiering feature are present.
[1] https://lists.gluster.org/pipermail/gluster-users/2018-July/034400.html
Change-Id: I2c177f711f9b54b7b24e1a13525ff3132bd9a9c5
updates: bz#1642807
Signed-off-by: Amar Tumballi <amarts@redhat.com>
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While attempting to build a (pre-)5.0 of glusterfs on Ubuntu
bionic and cosmic, it became apparent that there are some gremlins
hiding in the combination of the xlator export-symbols, the newish
addition of -Wl,--no-undefined, and the new switch to libuuid from
the old contrib/uuid.
Note: even though Fedora 28 (and later) and Ubuntu bionic (and
later) have the same nominal version of libtool, the Fedora version
appears to do a better job of recursing through dependencies to
determine the libraries to link with.
Examination of the build logs showed that despite appearing to work
on Fedora, not all xlators and shared libs were linked with -Wl,
--no-undefined, and -luuid. And in the case of the gnfs xlator, it
was not only not linked with -Wl,--no-undefined but alsos not linked
with -lgfxdr and -lgfrpc.
Added GF_XLATOR_LDFLAGS, similar to GF_XLATOR_DEFAULT_LDFLAGS.
GF_XLATOR_DEFAULT_LDFLAGS is for xlators that export/expose the
default or common set of symbols. GF_XLATOR_LDFLAGS is for those
remaining xlators that export/expose non-default symbols, e.g. dht
and glupy. This removes the need in the future to add things like
$(UUID_LIBS) to every xlator's Makefile.am. Just add it to
GF_XLATOR_LDFLAGS and GF_XLATOR_DEFAULT_LDFLAGS in configure.ac
and you're done.
This patch was tested on Fedora 28 (build, rpmbuild), Fedora
Rawhide/30 (rpmbuild), RHEL8 (rpmbuild), CentOS7 (rpmbuild), Fedora
koji --scratch build for f30/rawhide, and a Launchpad build for
Ubuntu cosmic/18.10.
Change-Id: Ieca104fa5c5d3c094e701c8ca4a73754dd0292b0
updates: bz#1193929
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
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Introduce a `./configure --enable-asan` to build with
`-fsanitize=address -fno-omit-frame-pointer` options. This uses the
libasan.so shared library, so that needs to be available.
While running builds with the ASAN options, several linker issues
surfaced and these have been addressed with this change as well.
Building with --enable-asan has been tested on Fedora 28.
Change-Id: I428a9da70dd8f7d0056cfbe5c398619a571469b2
Updates: #492
Signed-off-by: Niels de Vos <ndevos@redhat.com>
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In the past, it was often[1] forgotten for xlators to be linked against
the symbols they refer to. This often caused glusterd2 to fail while
loading xlator's shared object (.so) file.
This change adds "--no-undefined" as a linker flag which causes the
linker to treat unresolved symbol references as an error and hence fail
linking.
[1]:
https://review.gluster.org/#/c/19912/
https://review.gluster.org/#/c/19664/
https://review.gluster.org/#/c/19056/
https://review.gluster.org/#/c/17659/
https://bugzilla.redhat.com/show_bug.cgi?id=1532238
Bonus:
Added cloudsync and utime xlator's generated source files to .gitignore
Updates: bz#1193929
Change-Id: I9604a4a87b7313a5fa43bda5fdb37dfa7ef8facd
Signed-off-by: Prashanth Pai <ppai@redhat.com>
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Design doc: https://review.gluster.org/16876
Directory creation is now synchronized with blocking inodelk of the
parent on the hashed subvolume followed by the entrylk on the hashed
subvolume between dht_mkdir, dht_rmdir, dht_rename_dir and lookup
selfheal mkdir.
To maintain internal consistency of directories across all subvols of
dht, we need locks. Specifically we are interested in:
1. Consistency of layout of a directory. Only one writer should modify
the layout at a time. A writer (layout setting during directory heal
as part of lookup) shouldn't modify the layout while there are
readers (all other fops like create, mkdir etc., which consume
layout) and readers shouldn't read the layout while a writer is in
progress. Readers can read the layout simultaneously. Writer takes
a WRITE inodelk on the directory (whose layout is being modified)
across ALL subvols. Reader takes a READ inodelk on the directory
(whose layout is being read) on ANY subvol.
2. Consistency of directory namespace across subvols. The path and
associated gfid should be same on all subvols. A gfid should not be
associated with more than one path on any subvol. All fops that can
change directory names (mkdir, rmdir, renamedir, directory creation
phase in lookup-heal) takes an entrylk on hashed subvol of the
directory.
NOTE1: In point 2 above, since dht takes entrylk on hashed subvol of a
directory, the transaction itself is a consumer of layout on
parent directory. So, the transaction is a reader of parent
layout and does an inodelk on parent directory just like any
other layout reader. So a mkdir (dir/subdir) would:
> Acquire a READ inodelk on "dir" on any subvol.
> Acquire an entrylk (dir, "subdir") on hashed subvol of "subdir".
> creates directory on hashed subvol and possibly on non-hashed subvols.
> UNLOCK (entrylk)
> UNLOCK (inodelk)
NOTE2: mkdir fop while setting the layout of the directory being created
is considered as a reader, but NOT a writer. The reason is for
a fop which can consume the layout of a directory to come either
of the following conditions has to be true:
> mkdir syscall from application has to complete. In this case no
need of synchronization.
> A lookup issued on the directory racing with mkdir has to complete.
Since layout setting by a lookup is considered as a writer, only
one of either mkdir or lookup will set the layout.
Code re-organization:
All the lock related routines are moved to "dht-lock.c" file.
New wrapper function is introduced to take blocking inodelk
followed by entrylk 'dht_protect_namespace'
Updates #191
Change-Id: I01569094dfbe1852de6f586475be79c1ba965a31
Signed-off-by: Kotresh HR <khiremat@redhat.com>
BUG: 1443373
Reviewed-on: https://review.gluster.org/15472
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
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And minor cleanup of a few of the Makefile.am files while we're
at it.
Rewrite the make rules to do what xdrgen does. Now we can get rid
of xdrgen.
Note 1. netbsd6's sed doesn't do -i. Why are we still running
smoke tests on netbsd6 and not netbsd7? We barely support netbsd7
as it is.
Note 2. Why is/was libgfxdr.so (.../rpc/xdr/src/...) linked with
libglusterfs? A cut-and-paste mistake? It has no references to
symbols in libglusterfs.
Note3. "/#ifndef\|#define\|#endif/" (note the '\'s) is a _basic_
regex that matches the same lines as the _extended_ regex
"/#(ifndef|define|endif)/". To match the extended regex sed needs to
be run with -r on Linux; with -E on *BSD. However NetBSD's and
FreeBSD's sed helpfully also provide -r for compatibility. Using a
basic regex avoids having to use a kludge in order to run sed with
the correct option on OS X.
Note 4. Not copying the bit of xdrgen that inserts copyright/license
boilerplate. AFAIK it's silly to pretend that machine generated
files like these can be copyrighted or need license boilerplate.
The XDR source files have their own copyright and license; and
their copyrights are bound to be more up to date than old
boilerplate inserted by a script. From what I've seen of other
Open Source projects -- e.g. gcc and its C parser files generated
by yacc and lex -- IIRC they don't bother to add copyright/license
boilerplate to their generated files.
It appears that it's a long-standing feature of make (SysV, BSD,
gnu) for out-of-tree builds to helpfully pretend that the source
files it can find in the VPATH "exist" as if they are in the $cwd.
rpcgen doesn't work well in this situation and generates files
with "bad" #include directives.
E.g. if you `rpcgen ../../../../$srcdir/rpc/xdr/src/glusterfs3-xdr.x`,
you get an #include directive in the generated .c file like this:
...
#include "../../../../$srcdir/rpc/xdr/src/glusterfs3-xdr.h"
...
which (obviously) results in compile errors on out-of-tree build
because the (generated) header file doesn't exist at that location.
Compared to `rpcgen ./glusterfs3-xdr.x` where you get:
...
#include "glusterfs3-xdr.h"
...
Which is what we need. We have to resort to some Stupid Make Tricks
like the addition of various .PHONY targets to work around the VPATH
"help".
Warning: When doing an in-tree build, -I$(top_builddir)/rpc/xdr/...
looks exactly like -I$(top_srcdir)/rpc/xdr/... Don't be fooled though.
And don't delete the -I$(top_builddir)/rpc/xdr/... bits
Change-Id: Iba6ab96b2d0a17c5a7e9f92233993b318858b62e
BUG: 1330604
Signed-off-by: Kaleb S KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/14085
Tested-by: Niels de Vos <ndevos@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
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Add events for:
* tier attach and detach
* tier pause and resume
* tier rising and dropping hi and lo watermarks
Update eventskeygen.py with tiering events.
Update cli help with:
* attach: add optional force argument
* detach: make force available as non-optional argument on its own
Change-Id: I43990d3a8742151a4a7889bafa19cb572fe661bd
BUG: 1368336
Signed-off-by: Milind Changire <mchangir@redhat.com>
Reviewed-on: http://review.gluster.org/15232
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Tested-by: Dan Lambright <dlambrig@redhat.com>
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It is possible a file would get migrated in the middle
of a readdir operation. If there are four subvolumes A,B,C,D,
and if readdir reads them in order and reaches subvol B,
then, if a file is moved from D to A, it will not be included
in the readdir output.
This phenonema has pre-existed in DHT migration but is more
apparent in tiering.
When a file is moved off the hashed subvolume a T file is created.
For tiering, we will make the cold subvolume the hashed subvolume.
This will ensure the creation of a T file. Readdir will not skip T
files in the tier translator.
Making the cold subvolume the hashed subvolume ensures the T
files created on promotions or creates will be less likely to
fill the volume.
Creates still put the data on the hot subvolume.
Change-Id: Ifde557d3d0e94a4570ca9f115adee3db2ee75407
BUG: 1281598
Signed-off-by: Dan Lambright <dlambrig@redhat.com>
Reviewed-on: http://review.gluster.org/12530
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: N Balachandran <nbalacha@redhat.com>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
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We've been lucky that we haven't had any symbol collisions until now.
Now we have a collision between the snapview-client's svc_lookup() and
libntirpc's svc_lookup() with nfs-ganesha's FSAL_GLUSTER and libgfapi.
As a short term solution all the snapview-client's FOP methods were
changed to static scope. See http://review.gluster.org/11805. This
works in snapview-client because all the FOP methods are defined in
a single source file. This solution doesn't work for other xlators
with FOP methods defined in multiple source files.
To address this we link with libtool's '-export-symbols $symbol-file'
(a wrapper around `ld --version-script ...` --- on linux anyway) and
only export the minimum required symbols from the xlator sharedlib.
N.B. the libtool man page says that the symbol file should be named
foo.sym, thus the rename of *.exports to *.sym. While foo.exports
worked, we will follow the documentation.
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
BUG: 1248669
Change-Id: I1de68b3e3be58ae690d8bfb2168bfc019983627c
Reviewed-on: http://review.gluster.org/11814
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: soumya k <skoduri@redhat.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
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When freeing memory, our memory-accounting code expects to be able to
dereference from the (previously) allocated block to its owning
translator. However, as we have already found once in option
validation and twice in logging, that translator might itself have
been freed and the dereference attempt causes on of our daemons to
crash with SIGSEGV. This patch attempts to fix that as follows:
* We no longer embed a struct mem_acct directly in a struct xlator,
but instead allocate it separately.
* Allocated memory blocks now contain a pointer to the mem_acct
instead of the xlator.
* The mem_acct structure contains a reference count, manipulated in
both the normal and translator allocate/free code using atomic
increments and decrements.
* Because it's now a separate structure, we can defer freeing the
mem_acct until its reference count reaches zero (either way).
* Some unit tests were disabled, because they embedded their own
copies of the implementation for what they were supposedly testing.
Life's too short to spend time fixing tests that seem designed to
impede progress by requiring a certain implementation as well as
behavior.
Change-Id: Id929b11387927136f78626901729296b6c0d0fd7
BUG: 1211749
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.org/10417
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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This patch resolves tiering translator issues taken from the list
in bug 1203776. These issues have been selected to be fixed
first. The rest will be fixed in a subsequent patch (or are not a
problem).
3. Replace hardcoded #defines of promote/demote file names
6. Use loc_wipe() in migrate_using_query_file()
9. Only promote/demote files on the same node on which they reside.
14. Replace calloc with GF_CALLOC in tier.c and ensure freeing done
properly.
15. Handle if parse_query_str fails
22. Only load gfdb library on server side, remove SQL references
from client.
Change-Id: I6563b11e58ab2e4c6b1ce44db755781ad6d930fb
BUG: 1203776
Signed-off-by: Dan Lambright <dlambrig@redhat.com>
Reviewed-on: http://review.gluster.org/9987
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: N Balachandran <nbalacha@redhat.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
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1) Removed unnecessary include tier.h in dht-rebalance.c
2) tier xlator will only compile when tiering is enabled in configure.ac
Change-Id: Ia21aa9ff403506dc898a83236e9e2d382a0594da
BUG: 1204604
Signed-off-by: Joseph Fernandes <josferna@redhat.com>
Reviewed-on: http://review.gluster.org/9973
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Sachin Pandit <spandit@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Building on FreeBSD has been broken by http://review.gluster.org/9724
which introduces the cluster/tiering xlator. The CFLAGS passed to the
compiler do not include the path where sqlite3.h can be found.
In fact, an attempt was made to pass the flags on, but a later variable
overwrite these again.
BUG: 1194753
Change-Id: I1c890fa9a0d82492726306fe6b03bd50ca985e31
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Reviewed-on: http://review.gluster.org/9964
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Sachin Pandit <spandit@redhat.com>
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The tier translator shares most of DHT's code. It differs in how
subvolumes are chosen for I/Os, and how file migration (cache promotion
and demotion) is managed. That different functionality is split to either
DHT or tier logic according to the "tier_methods" structure.
A cache promotion and demotion thread is created in a manner
similar to the rebalance daemon. The thread operates a timing
wheel which periodically checks for promotion and demotion candidates
(files). Candidates are queued and then migrated. Candidates must exist on
the same node as the daemon and meet other critera per caching policies.
This patch has two authors (Dan Lambright and Joseph Fernandes). Dan
did the DHT changes and Joe wrote the cache policies. The fix depends on
DHT readidr changes and the database library which have been submitted
separately. Header files in libglusterfs/src/gfdb should be reviewed in
patch 9683.
For more background and design see the feature page [1].
[1]
http://www.gluster.org/community/documentation/index.php/Features/data-classification
Change-Id: Icc26c517ccecf5c42aef039f5b9c6f7afe83e46c
BUG: 1194753
Signed-off-by: Dan Lambright <dlambrig@redhat.com>
Reviewed-on: http://review.gluster.org/9724
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Vijay Bellur <vbellur@redhat.com>
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This uses https://cmocka.org/ as the unit testing framework.
With this change, unit testing is made optional as well. We assume there
is no cmocka available while building. cmocka will be enabled by default
later on. For now, to build with cmocka run:
$ ./configure --enable-cmocka
This change is based on the work of Andreas (replacing cmockery2 with
cmocka) and Kaleb (make cmockery2 an optional build dependency).
The only modifications I made, are additional #defines in unittest.h for
making sure the unit tests function as expected.
Change-Id: Iea4cbcdaf09996b49ffcf3680c76731459cb197e
BUG: 1067059
Merged-change: http://review.gluster.org/9762/
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Change-Id: Ia2e955481c102d5dce17695a9205395a6030e985
Reviewed-on: http://review.gluster.org/9738
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Change-Id: I41389ba91951d3e63e617aa32cd0bee848261c72
BUG: 1130888
Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
Reviewed-on: http://review.gluster.org/8521
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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The current code assumes cmockery2 is installed in default paths.
Use PKG_MODULES_CHECK to find it using pkg-config if it is not. If
not found by pkg-config, try AC_CHECK_LIB.
There are also some build flag adjustement so that local overrides
do not loose the required -I flags.
This includes and enhance http://review.gluster.org/8340/
BUG: 764655
Change-Id: Ide9f77d1e70afe3c1c5c57ae2b93127af6a425f9
Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org>
Reviewed-on: http://review.gluster.org/8365
Reviewed-by: Harshavardhana <harsha@harshavardhana.net>
Tested-by: Harshavardhana <harsha@harshavardhana.net>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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This patch will allow for developers to create unit tests for
their code. Documentation has been added to the patch and
is available here:
doc/hacker-guide/en-US/markdown/unittest.md
Also, unit tests are run when RPM is created.
This patch is a replacement for http://review.gluster.org/#/c/7281
which removed unit test infrastucture from the repo due to multiple
conflicts. Cmockery2 is now available in Fedora and EPEL, and soon
to be available in Debian and Ubuntu. For all other operating
systems, please install from the source:
https://github.com/lpabon/cmockery2
BUG: 1067059
Change-Id: I1b36cb1f56fd10916f9bf535e8ad080a3358289f
Signed-off-by: Luis Pabón <lpabon@redhat.com>
Reviewed-on: http://review.gluster.org/7538
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Moved all relevant DHT gf_log calls to the new logging
framework.
Change-Id: I3af3cfe0416e332774a6c4ff6a091d006c400af2
BUG: 1075611
Signed-off-by: Nithya Balachandran <nbalacha@redhat.com>
Reviewed-on: http://review.gluster.org/7929
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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git@forge.gluster.org:~schafdog/glusterfs-core/osx-glusterfs
Working functionality on MacOSX
- GlusterD (management daemon)
- GlusterCLI (management cli)
- GlusterFS FUSE (using OSXFUSE)
- GlusterNFS (without NLM - issues with rpc.statd)
Change-Id: I20193d3f8904388e47344e523b3787dbeab044ac
BUG: 1089172
Signed-off-by: Harshavardhana <harsha@harshavardhana.net>
Signed-off-by: Dennis Schafroth <dennis@schafroth.com>
Tested-by: Harshavardhana <harsha@harshavardhana.net>
Tested-by: Dennis Schafroth <dennis@schafroth.com>
Reviewed-on: http://review.gluster.org/7503
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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While we wait for cmockery2 to be available from Fedora,
we can remove cmockery2 from the repo.
BUG: 1077011
Change-Id: I75d462c607cd376a5d838ea83f4d12eb59757e73
Signed-off-by: Luis Pabon <lpabon@redhat.com>
Reviewed-on: http://review.gluster.org/7281
Reviewed-by: Justin Clift <justin@gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Harshavardhana <harsha@harshavardhana.net>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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This patch will allow for developers to create unit tests for
their code. Documentation has been added to the patch and
is available here:
doc/hacker-guide/en-US/markdown/unittest.md
Also, unit tests are run when RPM is created.
BUG: 1067059
Change-Id: I95cf8bb0354d4ca4ed4476a0f2385436a17d2369
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Signed-off-by: Luis Pabon <lpabon@redhat.com>
Reviewed-on: http://review.gluster.org/7145
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Reviewed-by: Justin Clift <justin@gluster.org>
Tested-by: Justin Clift <justin@gluster.org>
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These functions keep changing as new functionality is added, so copying
and pasting the code is not a good solution. This way ensures that all
fields get initialized properly no matter how much new stuff we throw in.
Change-Id: I9e9b043d2d305d31e80cf5689465555b70312756
BUG: 924488
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.org/4710
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I1c9541058c7d07786539a3266ca125a6a15287d8
BUG: 859835
Signed-off-by: Anand Avati <avati@redhat.com>
Original-author: Kacper Kowalik (Xarthisius) <xarthisius.kk@gmail.com>
Signed-off-by: Kacper Kowalik (Xarthisius) <xarthisius.kk@gmail.com>
Reviewed-on: http://review.gluster.org/3967
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Automake provides a separate variable for preprocessor flags
(*_CPPFLAGS). They are already uses in a few places, so make it
consistent and use it everywhere. Note that cflags obtained from
pkg-config often are cppflags, which is why LIBXML2_CFLAGS moves with
into AM_CPPFLAGS, for example.
Change-Id: I15feed1d18b2ca497371271c4b5876d5ec6289dd
BUG: 862082
Original-author: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.org/4029
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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CFLAGS
libtool will automatically add "-fPIC" to the compiler command line as
needed, so there is no need to specify it separately.
"-shared" is normally a linker flag and has an odd effect when used with
libtool --mode=compile, namely that it inhibits production of static
objects. For that however, using AC_DISABLE_STATIC is a lot simpler.
Change-Id: Ic4cba0fad18ffd985cf07f8d6951a976ae59a48f
BUG: 862082
Original-author: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.org/4027
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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The "-nostartfiles" is a discouraged option and is documented to
potentially result in undesired behavior. Since I see no reason why it
should be in glusterfs, remove it.
Change-Id: I56f2b08874516ebad91447b2583ca2fb776bb7ab
BUG: 862082
Original-author: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.org/4018
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Some -D flags are present in all files, so collect them.
This adds -D${GF_HOST_OS} to some compiler command lines,
but this should not be a problem.
Change-Id: I1aeb346143d4984c9cc4f2750c465ce09af1e6ca
BUG: 862082
Original-author: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.org/4013
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Complexity involved: To migrate a file with open fd, we have to
notify the other client process which has the open fd, and make
sure the write()s happening on that fd is properly synced to the
migrated file. Once the migration is complete, the client
process which has open-fd should get notified and it should
start performing all the operations on the new subvolume,
instead of earlier cached volume.
How to solve the notification part:
We can overload the 'postbuf' attribute in the _cbk() function to
understand if a file is 'under-migration' or 'migration-complete'
state. (This will be something similar to deciding whether a file
is DHT-linkfile by its 'mode').
Overall change includes below mentioned major changes:
1. dht_linkfile is decided by only 2 factors (mode(01000),
xattr(trusted.glusterfs.dht.linkto)), instead of earlier
3 factors (size==0)
2. in linkfile self-heal part (in 'dht_lookup_everywhere_cbk()'),
don't delete a linkfile if there is a open-fd on it. It means,
there may be a migration in progress.
3. if a file's revalidate fails with ENOENT, it may be due to file
migration, and hence need a lookup_everywhere()
4. There will be 2 phases of file-migration.
-> Phase 1: Migration in progress
* The source data file will have SGID and STICKY bit set in its mode.
* The source data file will have a 'linkto' xattr pointing the
destination.
* Destination file will have mode set to '01000', and 'linkto' xattr
set to itself.
-> Phase 2: File migration Complete
* The source data file will have mode '01000', and will be 'truncated'
to size 0.
* The destination file will have inherited mode from the source. (without
sgid and sticky bit) and its 'linkto' attribute will be removed.
4. Changes in distribute to work smoothly with a file which is in migration /
got migrated.
The 'fops' are divided into 3 categories, inode-read, inode-write and others.
inode-read fops need to handle only 'phase 2' notification, where as, the
inode-write fops need to handle both 'phase 1' and phase2. The inode-write
operations will be done on source file, and if any of 'file-migration' procedures
are detected in _cbk(), then the operations should be performed on the destination
too.
when a phase-2 is detected, then the inode-ctx itself should be changed to represent
a new layout.
With these changes, the open file migration will work smoothly with multiple clients.
Change-Id: I512408463814e650f34c62ed009bf2101d016fd6
BUG: 3071
Reviewed-on: http://review.gluster.com/209
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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do the 'rebalance' on a file with 'setxattr()' with
'distribute.migrate-data' key. the valid 'value' is "force" or
anything else.
current implementation of 'rebalance' is same as 'glusterd-rebalance',
and hence comes with limitation of not rebalancing hardlinks, non-regular
files, and files with open-fds.
Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 3070 (After 'rebalance', the gfid of the file gets changed)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3070
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clustering translators
Signed-off-by: Kaushik BV <kaushikbv@gluster.com>
Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 2310 (georeplication)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2310
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Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 329 (Replacing memory allocation functions with mem-type functions)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=329
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switch translator is a wrapper around distribute to work for a
pattern based scheduling.
Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 409 (implement a switch scheduler)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=409
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files.
distribute gets awareness about disk-space while creating the files
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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davies-meyer).
moved dht_hashfn_tea() to libglusterfs/src/hashfn.c as gf_dm_hashfn().
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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