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authorAnuradha Talur <atalur@redhat.com>2016-04-21 17:20:09 +0530
committerPranith Kumar Karampuri <pkarampu@redhat.com>2016-04-25 23:47:28 -0700
commit9996f95b28b3782887b7c233cdc0ba686c38b245 (patch)
tree5fa681f25b95dd9aeec88f3bf86adbc98bd2c1d3
parent2dc22adbf3361bdab10924943371492cc2817d8a (diff)
performance/decompounder: Introducing decompounder xlator
This xlator decompounds the compound fops received, and executes them serially. Change-Id: Ieddcec3c2983dd9ca7919ba9d7ecaa5192a5f489 BUG: 1303829 Signed-off-by: Anuradha Talur <atalur@redhat.com> Reviewed-on: http://review.gluster.org/13577 Smoke: Gluster Build System <jenkins@build.gluster.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
-rw-r--r--configure.ac2
-rw-r--r--glusterfs.spec.in1
-rw-r--r--libglusterfs/src/call-stub.c25
-rw-r--r--libglusterfs/src/common-utils.c5
-rw-r--r--libglusterfs/src/default-args.c34
-rw-r--r--libglusterfs/src/default-args.h3
-rw-r--r--libglusterfs/src/defaults.h16
-rw-r--r--libglusterfs/src/glfs-message-id.h4
-rw-r--r--libglusterfs/src/globals.c1
-rw-r--r--libglusterfs/src/glusterfs.h4
-rw-r--r--libglusterfs/src/mem-types.h5
-rw-r--r--libglusterfs/src/xlator.h8
-rw-r--r--rpc/rpc-lib/src/protocol-common.h1
-rw-r--r--xlators/performance/Makefile.am2
-rw-r--r--xlators/performance/decompounder/Makefile.am1
-rw-r--r--xlators/performance/decompounder/src/Makefile.am16
-rw-r--r--xlators/performance/decompounder/src/decompounder-mem-types.h20
-rw-r--r--xlators/performance/decompounder/src/decompounder-messages.h27
-rw-r--r--xlators/performance/decompounder/src/decompounder.c946
-rw-r--r--xlators/performance/decompounder/src/decompounder.h74
20 files changed, 1168 insertions, 27 deletions
diff --git a/configure.ac b/configure.ac
index f479dd7..56f13d5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -97,6 +97,8 @@ AC_CONFIG_FILES([Makefile
xlators/performance/open-behind/src/Makefile
xlators/performance/md-cache/Makefile
xlators/performance/md-cache/src/Makefile
+ xlators/performance/decompounder/Makefile
+ xlators/performance/decompounder/src/Makefile
xlators/debug/Makefile
xlators/debug/trace/Makefile
xlators/debug/trace/src/Makefile
diff --git a/glusterfs.spec.in b/glusterfs.spec.in
index f91b198..fc3e72e 100644
--- a/glusterfs.spec.in
+++ b/glusterfs.spec.in
@@ -1114,6 +1114,7 @@ exit 0
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/nfs*
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/protocol/server*
%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/storage*
+%{_libdir}/glusterfs/%{version}%{?prereltag}/xlator/performance/decompounder.so
%if ( 0%{!?_without_tiering:1} )
%{_libdir}/libgfdb.so.*
%endif
diff --git a/libglusterfs/src/call-stub.c b/libglusterfs/src/call-stub.c
index 42ebca6..99371ce 100644
--- a/libglusterfs/src/call-stub.c
+++ b/libglusterfs/src/call-stub.c
@@ -2360,32 +2360,9 @@ out:
static void
call_stub_wipe_args (call_stub_t *stub)
{
- loc_wipe (&stub->args.loc);
-
- loc_wipe (&stub->args.loc2);
-
- if (stub->args.fd)
- fd_unref (stub->args.fd);
-
- GF_FREE ((char *)stub->args.linkname);
-
- GF_FREE (stub->args.vector);
-
- if (stub->args.iobref)
- iobref_unref (stub->args.iobref);
-
- if (stub->args.xattr)
- dict_unref (stub->args.xattr);
-
- GF_FREE ((char *)stub->args.name);
-
- GF_FREE ((char *)stub->args.volume);
-
- if (stub->args.xdata)
- dict_unref (stub->args.xdata);
+ args_wipe (&stub->args);
}
-
static void
call_stub_wipe_args_cbk (call_stub_t *stub)
{
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index 21fe384..bfddfc3 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -4327,8 +4327,9 @@ fop_enum_to_pri_string (glusterfs_fop_t fop)
case GF_FOP_MAXVALUE:
case GF_FOP_DISCARD:
return "LEAST";
+ default:
+ return "UNKNOWN";
}
- return "UNKNOWN";
}
const char *
@@ -4385,6 +4386,8 @@ fop_enum_to_string (glusterfs_fop_t fop)
"DISCARD",
"ZEROFILL",
"IPC",
+ "SEEK",
+ "COMPOUND",
"MAXVALUE"};
if (fop <= GF_FOP_MAXVALUE)
return str_map[fop];
diff --git a/libglusterfs/src/default-args.c b/libglusterfs/src/default-args.c
index 29c8aea..1ce907f 100644
--- a/libglusterfs/src/default-args.c
+++ b/libglusterfs/src/default-args.c
@@ -1486,3 +1486,37 @@ args_cbk_wipe (default_args_cbk_t *args_cbk)
if (!list_empty (&args_cbk->entries.list))
gf_dirent_free (&args_cbk->entries);
}
+
+void
+args_wipe (default_args_t *args)
+{
+ if (!args)
+ return;
+
+ if (&args->loc)
+ loc_wipe (&args->loc);
+
+ if (&args->loc2)
+ loc_wipe (&args->loc2);
+
+ if (args->fd)
+ fd_unref (args->fd);
+
+ GF_FREE ((char *)args->linkname);
+
+ GF_FREE (args->vector);
+
+ if (args->iobref)
+ iobref_unref (args->iobref);
+
+ if (args->xattr)
+ dict_unref (args->xattr);
+
+ if (args->xdata)
+ dict_unref (args->xdata);
+
+ GF_FREE ((char *)args->name);
+
+ GF_FREE ((char *)args->volume);
+
+}
diff --git a/libglusterfs/src/default-args.h b/libglusterfs/src/default-args.h
index a6ed0e4..86dafe6 100644
--- a/libglusterfs/src/default-args.h
+++ b/libglusterfs/src/default-args.h
@@ -276,6 +276,9 @@ args_lease_cbk_store (default_args_cbk_t *args,
void
args_cbk_wipe (default_args_cbk_t *args_cbk);
+void
+args_wipe (default_args_t *args);
+
int
args_lookup_store (default_args_t *args, loc_t *loc,
dict_t *xdata);
diff --git a/libglusterfs/src/defaults.h b/libglusterfs/src/defaults.h
index 148dc84..cae69a5 100644
--- a/libglusterfs/src/defaults.h
+++ b/libglusterfs/src/defaults.h
@@ -78,6 +78,22 @@ typedef struct {
struct gf_lease lease;
} default_args_t;
+typedef struct {
+ int fop_enum;
+ int fop_length;
+ int *enum_list;
+ default_args_t *req_list;
+ dict_t *xdata;
+} compound_args_t;
+
+typedef struct {
+ int fop_enum;
+ int fop_length;
+ int *enum_list;
+ default_args_cbk_t *rsp_list;
+ dict_t *xdata;
+} compound_args_cbk_t;
+
int32_t default_notify (xlator_t *this,
int32_t event,
void *data,
diff --git a/libglusterfs/src/glfs-message-id.h b/libglusterfs/src/glfs-message-id.h
index 18104da..d772dd3 100644
--- a/libglusterfs/src/glfs-message-id.h
+++ b/libglusterfs/src/glfs-message-id.h
@@ -170,6 +170,10 @@ GLFS_MSGID_COMP_SYMLINK_CACHE_END
#define GLFS_MSGID_COMP_PL GLFS_MSGID_COMP_JBR_END
#define GLFS_MSGID_COMP_PL_END (GLFS_MSGID_COMP_PL +\
GLFS_MSGID_SEGMENT)
+
+#define GLFS_MSGID_COMP_DC GLFS_MSGID_COMP_PL_END
+#define GLFS_MSGID_COMP_DC_END (GLFS_MSGID_COMP_PL_END+\
+ GLFS_MSGID_SEGMENT)
/* --- new segments for messages goes above this line --- */
#endif /* !_GLFS_MESSAGE_ID_H_ */
diff --git a/libglusterfs/src/globals.c b/libglusterfs/src/globals.c
index 0645ffa..997994f 100644
--- a/libglusterfs/src/globals.c
+++ b/libglusterfs/src/globals.c
@@ -70,6 +70,7 @@ const char *gf_fop_list[GF_FOP_MAXVALUE] = {
[GF_FOP_IPC] = "IPC",
[GF_FOP_SEEK] = "SEEK",
[GF_FOP_LEASE] = "LEASE",
+ [GF_FOP_COMPOUND] = "COMPOUND",
};
/* THIS */
diff --git a/libglusterfs/src/glusterfs.h b/libglusterfs/src/glusterfs.h
index 9d077e5..d3be103 100644
--- a/libglusterfs/src/glusterfs.h
+++ b/libglusterfs/src/glusterfs.h
@@ -269,7 +269,8 @@
/* NOTE: add members ONLY at the end (just before _MAXVALUE) */
/*
- * OTHER NOTE: fop_enum_to_str and fop_enum_to_pri_str (in common-utils.h) also
+ * OTHER NOTE: fop_enum_to_str and fop_enum_to_pri_str (in common-utils.h)
+ * and gf_fop_list in globals.c also
* contain lists of fops, so if you update this list UPDATE THOSE TOO.
*/
typedef enum {
@@ -325,6 +326,7 @@ typedef enum {
GF_FOP_IPC,
GF_FOP_SEEK,
GF_FOP_LEASE,
+ GF_FOP_COMPOUND,
GF_FOP_MAXVALUE,
} glusterfs_fop_t;
diff --git a/libglusterfs/src/mem-types.h b/libglusterfs/src/mem-types.h
index 639ba37..e185a49 100644
--- a/libglusterfs/src/mem-types.h
+++ b/libglusterfs/src/mem-types.h
@@ -159,6 +159,11 @@ enum gf_common_mem_types_ {
gf_common_mt_syncenv,
gf_common_mt_scan_data,
gf_common_list_node,
+ gf_mt_default_args_t,
+ gf_mt_default_args_cbk_t,
+ /*used for compound fops*/
+ gf_mt_compound_req_t,
+ gf_mt_compound_rsp_t,
gf_common_mt_end
};
#endif
diff --git a/libglusterfs/src/xlator.h b/libglusterfs/src/xlator.h
index 84f48ed..052dd97 100644
--- a/libglusterfs/src/xlator.h
+++ b/libglusterfs/src/xlator.h
@@ -452,6 +452,10 @@ typedef int32_t (*fop_lease_cbk_t) (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret,
int32_t op_errno, struct gf_lease *lease,
dict_t *xdata);
+typedef int32_t (*fop_compound_cbk_t) (call_frame_t *frame,
+ void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ void *data, dict_t *xdata);
typedef int32_t (*fop_lookup_t) (call_frame_t *frame,
xlator_t *this,
@@ -702,6 +706,8 @@ typedef int32_t (*fop_seek_t) (call_frame_t *frame, xlator_t *this, fd_t *fd,
typedef int32_t (*fop_lease_t) (call_frame_t *frame, xlator_t *this, loc_t *loc,
struct gf_lease *lease, dict_t *xdata);
+typedef int32_t (*fop_compound_t) (call_frame_t *frame, xlator_t *this,
+ void *args, dict_t *xdata);
struct xlator_fops {
fop_lookup_t lookup;
fop_stat_t stat;
@@ -751,6 +757,7 @@ struct xlator_fops {
fop_ipc_t ipc;
fop_seek_t seek;
fop_lease_t lease;
+ fop_compound_t compound;
/* these entries are used for a typechecking hack in STACK_WIND _only_ */
fop_lookup_cbk_t lookup_cbk;
@@ -801,6 +808,7 @@ struct xlator_fops {
fop_ipc_cbk_t ipc_cbk;
fop_seek_cbk_t seek_cbk;
fop_lease_cbk_t lease_cbk;
+ fop_compound_cbk_t compound_cbk;
};
typedef int32_t (*cbk_forget_t) (xlator_t *this,
diff --git a/rpc/rpc-lib/src/protocol-common.h b/rpc/rpc-lib/src/protocol-common.h
index 2da9e57..e572273 100644
--- a/rpc/rpc-lib/src/protocol-common.h
+++ b/rpc/rpc-lib/src/protocol-common.h
@@ -61,6 +61,7 @@ enum gf_fop_procnum {
GFS3_OP_ZEROFILL,
GFS3_OP_IPC,
GFS3_OP_SEEK,
+ GFS3_OP_COMPOUND,
GFS3_OP_MAXVALUE,
} ;
diff --git a/xlators/performance/Makefile.am b/xlators/performance/Makefile.am
index a494190..eb4e32c 100644
--- a/xlators/performance/Makefile.am
+++ b/xlators/performance/Makefile.am
@@ -1,3 +1,3 @@
-SUBDIRS = write-behind read-ahead readdir-ahead io-threads io-cache symlink-cache quick-read md-cache open-behind
+SUBDIRS = write-behind read-ahead readdir-ahead io-threads io-cache symlink-cache quick-read md-cache open-behind decompounder
CLEANFILES =
diff --git a/xlators/performance/decompounder/Makefile.am b/xlators/performance/decompounder/Makefile.am
new file mode 100644
index 0000000..af437a6
--- /dev/null
+++ b/xlators/performance/decompounder/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS = src
diff --git a/xlators/performance/decompounder/src/Makefile.am b/xlators/performance/decompounder/src/Makefile.am
new file mode 100644
index 0000000..693fe0a
--- /dev/null
+++ b/xlators/performance/decompounder/src/Makefile.am
@@ -0,0 +1,16 @@
+xlator_LTLIBRARIES = decompounder.la
+xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/performance
+
+decompounder_la_LDFLAGS = -module $(GF_XLATOR_DEFAULT_LDFLAGS)
+
+decompounder_la_SOURCES = decompounder.c
+decompounder_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
+
+noinst_HEADERS = decompounder-mem-types.h decompounder-messages.h \
+ decompounder.h
+
+AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src
+
+AM_CFLAGS = -Wall $(GF_CFLAGS)
+
+CLEANFILES =
diff --git a/xlators/performance/decompounder/src/decompounder-mem-types.h b/xlators/performance/decompounder/src/decompounder-mem-types.h
new file mode 100644
index 0000000..5c211c1
--- /dev/null
+++ b/xlators/performance/decompounder/src/decompounder-mem-types.h
@@ -0,0 +1,20 @@
+/*
+ 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 __DC_MEM_TYPES_H__
+#define __DC_MEM_TYPES_H__
+
+#include "mem-types.h"
+
+enum gf_dc_mem_types_ {
+ gf_dc_mt_rsp_t = gf_common_mt_end + 1,
+ gf_dc_mt_end
+};
+#endif
diff --git a/xlators/performance/decompounder/src/decompounder-messages.h b/xlators/performance/decompounder/src/decompounder-messages.h
new file mode 100644
index 0000000..825599e
--- /dev/null
+++ b/xlators/performance/decompounder/src/decompounder-messages.h
@@ -0,0 +1,27 @@
+/*
+ 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 _DC_MESSAGES_H_
+#define _DC_MESSAGES_H_
+
+#include "glfs-message-id.h"
+
+#define GLFS_COMP_BASE_DC GLFS_MSGID_COMP_DC
+#define GLFS_NUM_MESSAGES 2
+#define GLFS_MSGID_END (GLFS_COMP_BASE_DC + GLFS_NUM_MESSAGES + 1)
+
+#define glfs_msg_start_x GLFS_COMP_BASE_DC, "Invalid: Start of messages"
+
+#define DC_MSG_VOL_MISCONFIGURED (GLFS_COMP_BASE_DC + 1)
+
+#define DC_MSG_ERROR_RECEIVED (GLFS_COMP_BASE_DC + 2)
+
+#define glfs_msg_end_x GLFS_MSGID_END, "Invalid: End of messages"
+#endif /* !_DC_MESSAGES_H_ */
diff --git a/xlators/performance/decompounder/src/decompounder.c b/xlators/performance/decompounder/src/decompounder.c
new file mode 100644
index 0000000..830876e
--- /dev/null
+++ b/xlators/performance/decompounder/src/decompounder.c
@@ -0,0 +1,946 @@
+/*
+ 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.
+*/
+
+#include "decompounder.h"
+#include "mem-types.h"
+
+void
+dc_local_cleanup (dc_local_t *local)
+{
+ int i = 0;
+
+ for (i = 0; i < local->length; i++)
+ args_cbk_wipe (&local->compound_rsp->rsp_list[i]);
+
+ GF_FREE (local->compound_rsp->rsp_list);
+ GF_FREE (local->compound_rsp);
+ return;
+}
+
+int32_t
+dc_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *buf,
+ dict_t *xdata)
+{
+
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (stat, frame, op_ret,
+ op_errno, buf, xdata);
+ return 0;
+}
+
+int32_t
+dc_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, const char *path,
+ struct iatt *buf, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (readlink, frame, op_ret, op_errno,
+ path, buf, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (mknod, frame, op_ret, op_errno,
+ inode, buf, preparent,
+ postparent, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (mkdir, frame, op_ret, op_errno,
+ inode, buf, preparent, postparent,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+ struct iatt *postparent,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (unlink, frame, op_ret, op_errno,
+ preparent, postparent, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+ struct iatt *postparent,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (rmdir, frame, op_ret, op_errno,
+ preparent, postparent, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (symlink, frame, op_ret, op_errno,
+ inode, buf, preparent, postparent,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *buf,
+ struct iatt *preoldparent,
+ struct iatt *postoldparent,
+ struct iatt *prenewparent,
+ struct iatt *postnewparent,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (rename, frame, op_ret, op_errno,
+ buf, preoldparent, postoldparent,
+ prenewparent, postnewparent,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf,
+ struct iatt *preparent,
+ struct iatt *postparent,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (link, frame, op_ret, op_errno,
+ inode, buf, preparent, postparent,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_truncate_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)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (truncate, frame, op_ret, op_errno,
+ prebuf, postbuf, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (open, frame, op_ret, op_errno,
+ fd, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iovec *vector,
+ int32_t count,
+ struct iatt *stbuf,
+ struct iobref *iobref,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (readv, frame, op_ret, op_errno,
+ vector, count, stbuf, iobref, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_writev_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)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (writev, frame, op_ret, op_errno,
+ prebuf, postbuf, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct statvfs *buf,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (statfs, frame, op_ret, op_errno,
+ buf, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (flush, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_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)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fsync, frame, op_ret, op_errno,
+ prebuf, postbuf, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (setxattr, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (getxattr, frame, op_ret, op_errno,
+ dict, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (removexattr, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+int32_t
+dc_opendir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (opendir, frame, op_ret, op_errno,
+ fd, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fsyncdir, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (access, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd,
+ inode_t *inode,
+ struct iatt *buf,
+ struct iatt *preparent,
+ struct iatt *postparent,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (create, frame, op_ret, op_errno,
+ fd, inode, buf, preparent,
+ postparent, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_ftruncate_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)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (ftruncate, frame, op_ret, op_errno,
+ prebuf, postbuf, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *buf,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fstat, frame, op_ret, op_errno,
+ buf, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct gf_flock *lock,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (lk, frame, op_ret, op_errno,
+ lock, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf,
+ dict_t *xdata,
+ struct iatt *postparent)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (lookup, frame, op_ret, op_errno,
+ inode, buf, xdata, postparent);
+ return 0;
+}
+
+
+int32_t
+dc_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, gf_dirent_t *entries,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (readdir, frame, op_ret, op_errno,
+ entries, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (inodelk, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_finodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (finodelk, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (entrylk, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fentrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fentrylk, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (xattrop, frame, op_ret, op_errno,
+ dict, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fxattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fxattrop, frame, op_ret, op_errno,
+ dict, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fgetxattr, frame, op_ret, op_errno,
+ dict, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fsetxattr, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_rchecksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, uint32_t weak_cksum,
+ uint8_t *strong_cksum, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (rchecksum, frame, op_ret, op_errno,
+ weak_cksum, strong_cksum, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *statpre,
+ struct iatt *statpost, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (setattr, frame, op_ret, op_errno,
+ statpre, statpost, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *statpre,
+ struct iatt *statpost, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fsetattr, frame, op_ret, op_errno,
+ statpre, statpost, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, gf_dirent_t *entries,
+ dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (readdirp, frame, op_ret, op_errno,
+ entries, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fremovexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fremovexattr, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_fallocate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *pre,
+ struct iatt *post, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (fallocate, frame, op_ret, op_errno,
+ pre, post, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_discard_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *pre,
+ struct iatt *post, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (discard, frame, op_ret, op_errno,
+ pre, post, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_zerofill_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *pre,
+ struct iatt *post, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (zerofill, frame, op_ret, op_errno,
+ pre, post, xdata);
+ return 0;
+}
+
+
+int32_t
+dc_ipc_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (ipc, frame, op_ret, op_errno,
+ xdata);
+ return 0;
+}
+
+
+int32_t
+dc_seek_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, off_t offset, dict_t *xdata)
+{
+ DC_FOP_RESPONSE_STORE_AND_WIND_NEXT (seek, frame, op_ret, op_errno,
+ offset, xdata);
+ return 0;
+}
+
+int32_t
+dc_compound_fop_wind (call_frame_t *frame, xlator_t *this)
+{
+ dc_local_t *local = frame->local;
+ compound_args_t *c_req = local->compound_req;
+ compound_args_cbk_t *c_rsp = local->compound_rsp;
+ int counter = local->counter;
+ default_args_t curr_fop = c_req->req_list[counter];
+ int op_ret = 0;
+ int op_errno = ENOMEM;
+
+ if (local->counter == local->length)
+ goto done;
+
+ switch (c_req->enum_list[counter]) {
+ case GF_FOP_STAT:
+ STACK_WIND (frame, dc_stat_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->stat,
+ &curr_fop.loc, curr_fop.xdata);
+ break;
+ case GF_FOP_READLINK:
+ STACK_WIND (frame, dc_readlink_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readlink,
+ &curr_fop.loc, curr_fop.size,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_MKNOD:
+ STACK_WIND (frame, dc_mknod_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->mknod,
+ &curr_fop.loc, curr_fop.mode, curr_fop.rdev,
+ curr_fop.umask, curr_fop.xdata);
+ break;
+ case GF_FOP_MKDIR:
+ STACK_WIND (frame, dc_mkdir_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->mkdir,
+ &curr_fop.loc, curr_fop.mode,
+ curr_fop.umask, curr_fop.xdata);
+ break;
+ case GF_FOP_UNLINK:
+ STACK_WIND (frame, dc_unlink_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->unlink,
+ &curr_fop.loc, curr_fop.xflag, curr_fop.xdata);
+ break;
+ case GF_FOP_RMDIR:
+ STACK_WIND (frame, dc_rmdir_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->rmdir,
+ &curr_fop.loc, curr_fop.flags, curr_fop.xdata);
+ break;
+ case GF_FOP_SYMLINK:
+ STACK_WIND (frame, dc_symlink_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->symlink,
+ curr_fop.linkname, &curr_fop.loc,
+ curr_fop.umask, curr_fop.xdata);
+ break;
+ case GF_FOP_RENAME:
+ STACK_WIND (frame, dc_rename_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->rename,
+ &curr_fop.loc, &curr_fop.loc2, curr_fop.xdata);
+ break;
+ case GF_FOP_LINK:
+ STACK_WIND (frame, dc_link_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->link,
+ &curr_fop.loc, &curr_fop.loc2, curr_fop.xdata);
+ break;
+ case GF_FOP_TRUNCATE:
+ STACK_WIND (frame, dc_truncate_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->truncate,
+ &curr_fop.loc, curr_fop.offset, curr_fop.xdata);
+ break;
+ case GF_FOP_OPEN:
+ STACK_WIND (frame, dc_open_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->open,
+ &curr_fop.loc, curr_fop.flags, curr_fop.fd,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_READ:
+ STACK_WIND (frame, dc_readv_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->readv,
+ curr_fop.fd, curr_fop.size, curr_fop.offset,
+ curr_fop.flags, curr_fop.xdata);
+ break;
+ case GF_FOP_WRITE:
+ STACK_WIND (frame, dc_writev_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->writev,
+ curr_fop.fd, curr_fop.vector, curr_fop.count,
+ curr_fop.offset, curr_fop.flags, curr_fop.iobref,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_STATFS:
+ STACK_WIND (frame, dc_statfs_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->statfs,
+ &curr_fop.loc, curr_fop.xdata);
+ break;
+ case GF_FOP_FLUSH:
+ STACK_WIND (frame, dc_flush_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->flush,
+ curr_fop.fd, curr_fop.xdata);
+ break;
+ case GF_FOP_FSYNC:
+ STACK_WIND (frame, dc_fsync_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->fsync,
+ curr_fop.fd, curr_fop.datasync, curr_fop.xdata);
+ break;
+ case GF_FOP_SETXATTR:
+ STACK_WIND (frame, dc_setxattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->setxattr,
+ &curr_fop.loc, curr_fop.xattr, curr_fop.flags,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_GETXATTR:
+ STACK_WIND (frame, dc_getxattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr,
+ &curr_fop.loc, curr_fop.name, curr_fop.xdata);
+ break;
+ case GF_FOP_REMOVEXATTR:
+ STACK_WIND (frame, dc_removexattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->removexattr,
+ &curr_fop.loc, curr_fop.name, curr_fop.xdata);
+ break;
+ case GF_FOP_OPENDIR:
+ STACK_WIND (frame, dc_opendir_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->opendir,
+ &curr_fop.loc, curr_fop.fd, curr_fop.xdata);
+ break;
+ case GF_FOP_FSYNCDIR:
+ STACK_WIND (frame, dc_fsyncdir_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fsyncdir,
+ curr_fop.fd, curr_fop.datasync, curr_fop.xdata);
+ break;
+ case GF_FOP_ACCESS:
+ STACK_WIND (frame, dc_access_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->access,
+ &curr_fop.loc, curr_fop.mask, curr_fop.xdata);
+ break;
+ case GF_FOP_CREATE:
+ STACK_WIND (frame, dc_create_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->create,
+ &curr_fop.loc, curr_fop.flags, curr_fop.mode,
+ curr_fop.umask, curr_fop.fd, curr_fop.xdata);
+ break;
+ case GF_FOP_FTRUNCATE:
+ STACK_WIND (frame, dc_ftruncate_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->ftruncate,
+ curr_fop.fd, curr_fop.offset, curr_fop.xdata);
+ break;
+ case GF_FOP_FSTAT:
+ STACK_WIND (frame, dc_fstat_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->fstat,
+ curr_fop.fd, curr_fop.xdata);
+ break;
+ case GF_FOP_LK:
+ STACK_WIND (frame, dc_lk_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->lk,
+ curr_fop.fd,
+ curr_fop.cmd, &curr_fop.lock, curr_fop.xdata);
+ break;
+ case GF_FOP_LOOKUP:
+ STACK_WIND (frame, dc_lookup_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->lookup,
+ &curr_fop.loc, curr_fop.xdata);
+ break;
+ case GF_FOP_READDIR:
+ STACK_WIND (frame, dc_readdir_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->readdir,
+ curr_fop.fd, curr_fop.size, curr_fop.offset,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_INODELK:
+ STACK_WIND (frame, dc_inodelk_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->inodelk,
+ curr_fop.volume, &curr_fop.loc,
+ curr_fop.cmd, &curr_fop.lock, curr_fop.xdata);
+ break;
+ case GF_FOP_FINODELK:
+ STACK_WIND (frame, dc_finodelk_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->finodelk,
+ curr_fop.volume, curr_fop.fd,
+ curr_fop.cmd, &curr_fop.lock, curr_fop.xdata);
+ break;
+ case GF_FOP_ENTRYLK:
+ STACK_WIND (frame, dc_entrylk_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->entrylk,
+ curr_fop.volume, &curr_fop.loc,
+ curr_fop.name, curr_fop.entrylkcmd,
+ curr_fop.entrylktype, curr_fop.xdata);
+ break;
+ case GF_FOP_FENTRYLK:
+ STACK_WIND (frame, dc_fentrylk_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fentrylk,
+ curr_fop.volume, curr_fop.fd,
+ curr_fop.name, curr_fop.entrylkcmd,
+ curr_fop.entrylktype, curr_fop.xdata);
+ break;
+ case GF_FOP_XATTROP:
+ STACK_WIND (frame, dc_xattrop_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->xattrop,
+ &curr_fop.loc, curr_fop.optype, curr_fop.xattr,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_FXATTROP:
+ STACK_WIND (frame, dc_fxattrop_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fxattrop,
+ curr_fop.fd, curr_fop.optype, curr_fop.xattr,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_FGETXATTR:
+ STACK_WIND (frame, dc_fgetxattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fgetxattr,
+ curr_fop.fd, curr_fop.name, curr_fop.xdata);
+ break;
+ case GF_FOP_FSETXATTR:
+ STACK_WIND (frame, dc_fsetxattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fsetxattr,
+ curr_fop.fd, curr_fop.xattr, curr_fop.flags,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_RCHECKSUM:
+ STACK_WIND (frame, dc_rchecksum_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->rchecksum,
+ curr_fop.fd, curr_fop.offset, curr_fop.size,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_SETATTR:
+ STACK_WIND (frame, dc_setattr_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->setattr,
+ &curr_fop.loc, &curr_fop.stat, curr_fop.valid,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_FSETATTR:
+ STACK_WIND (frame, dc_fsetattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fsetattr,
+ curr_fop.fd, &curr_fop.stat, curr_fop.valid,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_READDIRP:
+ STACK_WIND (frame, dc_readdirp_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readdirp,
+ curr_fop.fd, curr_fop.size, curr_fop.offset,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_FREMOVEXATTR:
+ STACK_WIND (frame, dc_fremovexattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fremovexattr,
+ curr_fop.fd, curr_fop.name, curr_fop.xdata);
+ break;
+ case GF_FOP_FALLOCATE:
+ STACK_WIND (frame, dc_fallocate_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->fallocate,
+ curr_fop.fd, curr_fop.flags, curr_fop.offset,
+ curr_fop.size, curr_fop.xdata);
+ break;
+ case GF_FOP_DISCARD:
+ STACK_WIND (frame, dc_discard_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->discard,
+ curr_fop.fd, curr_fop.offset, curr_fop.size,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_ZEROFILL:
+ STACK_WIND (frame, dc_zerofill_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->zerofill,
+ curr_fop.fd, curr_fop.offset, curr_fop.size,
+ curr_fop.xdata);
+ break;
+ case GF_FOP_IPC:
+ STACK_WIND (frame, dc_ipc_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->ipc,
+ curr_fop.cmd, curr_fop.xdata);
+ break;
+ case GF_FOP_SEEK:
+ STACK_WIND (frame, dc_seek_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->seek,
+ curr_fop.fd, curr_fop.offset, curr_fop.what,
+ curr_fop.xdata);
+ break;
+ default:
+ return -ENOTSUP;
+ }
+ return 0;
+done:
+ DC_STACK_UNWIND (frame, op_ret, op_errno, c_rsp, NULL);
+ return 0;
+}
+
+int32_t
+dc_compound (call_frame_t *frame, xlator_t *this, void *data, dict_t *xdata)
+{
+ compound_args_t *compound_req = NULL;
+ compound_args_cbk_t *compound_rsp = NULL;
+ int ret = 0;
+ int op_errno = ENOMEM;
+ dc_local_t *local = NULL;
+
+ compound_req = data;
+
+ GF_ASSERT_AND_GOTO_WITH_ERROR (this, compound_req, out, op_errno,
+ EINVAL);
+
+ local = mem_get0 (this->local_pool);
+ if (!local)
+ goto out;
+
+ frame->local = local;
+
+ local->compound_rsp = GF_CALLOC (1, sizeof (local->compound_rsp),
+ gf_dc_mt_rsp_t);
+ if (!local->compound_rsp)
+ goto out;
+
+ compound_rsp = local->compound_rsp;
+
+ compound_rsp->fop_length = compound_req->fop_length;
+ compound_rsp->rsp_list = GF_CALLOC (compound_rsp->fop_length,
+ sizeof (default_args_cbk_t),
+ gf_mt_default_args_cbk_t);
+ if (!compound_rsp->rsp_list)
+ goto out;
+
+ local->length = compound_req->fop_length;
+ local->counter = 0;
+ local->compound_req = compound_req;
+
+ if (!local->length) {
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ ret = dc_compound_fop_wind (frame, this);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+ return 0;
+out:
+ DC_STACK_UNWIND (frame, -1, op_errno, compound_rsp, NULL);
+ return 0;
+}
+
+struct xlator_fops fops = {
+ .compound = dc_compound,
+};
+
+int32_t
+mem_acct_init (xlator_t *this)
+{
+ int ret = -1;
+
+ if (!this)
+ return ret;
+
+ ret = xlator_mem_acct_init (this, gf_dc_mt_end + 1);
+
+ return ret;
+}
+
+int32_t
+init (xlator_t *this)
+{
+ int ret = 0;
+
+ if (!this->children) {
+ gf_msg (this->name, GF_LOG_WARNING, 0,
+ DC_MSG_VOL_MISCONFIGURED, "Decompounder must have"
+ " a subvol.");
+ ret = -1;
+ goto out;
+ }
+
+ if (!this->parents) {
+ gf_msg (this->name, GF_LOG_WARNING, 0,
+ DC_MSG_VOL_MISCONFIGURED, "Volume is dangling.");
+ ret = -1;
+ goto out;
+ }
+out:
+ return ret;
+}
+
+int32_t
+fini (xlator_t *this)
+{
+ return 0;
+}
diff --git a/xlators/performance/decompounder/src/decompounder.h b/xlators/performance/decompounder/src/decompounder.h
new file mode 100644
index 0000000..1b8c1d6
--- /dev/null
+++ b/xlators/performance/decompounder/src/decompounder.h
@@ -0,0 +1,74 @@
+/*
+ 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 __DC_H__
+#define __DC_H__
+
+#include "defaults.h"
+#include "xlator.h"
+#include "call-stub.h"
+#include "decompounder-mem-types.h"
+#include "decompounder-messages.h"
+
+typedef struct {
+ compound_args_t *compound_req;
+ compound_args_cbk_t *compound_rsp;
+ int counter;
+ int length;
+} dc_local_t;
+
+#define DC_STACK_UNWIND(frame, op_ret, op_errno, rsp, xdata) do {\
+ dc_local_t *__local = NULL; \
+ if (frame) { \
+ __local = frame->local; \
+ frame->local = NULL; \
+ } \
+ STACK_UNWIND_STRICT (compound, frame, op_ret, op_errno, \
+ (void *)rsp, xdata); \
+ if (__local) { \
+ dc_local_cleanup (__local); \
+ mem_put (__local); \
+ } \
+ } while (0)
+
+int32_t
+dc_compound_fop_wind (call_frame_t *frame, xlator_t *this);
+
+void
+dc_local_cleanup (dc_local_t *local);
+
+#define DC_FOP_RESPONSE_STORE_AND_WIND_NEXT(fop, frame, op_ret, op_errno, params ...) do { \
+ dc_local_t *__local = frame->local; \
+ xlator_t *__this = frame->this; \
+ int __ret = 0; \
+ int __counter = __local->counter; \
+ compound_args_cbk_t *__compound_rsp = __local->compound_rsp; \
+ default_args_cbk_t *__fop_rsp = &__local->compound_rsp->rsp_list[__counter]; \
+ \
+ if (op_ret < 0) { \
+ gf_msg (__this->name, GF_LOG_ERROR, op_errno, DC_MSG_ERROR_RECEIVED, \
+ "fop number %d failed. Unwinding.", __counter+1); \
+ args_##fop##_cbk_store (__fop_rsp, \
+ op_ret, op_errno, params); \
+ /*TODO : Fill the rest of the responses to -1 or NULL*/ \
+ DC_STACK_UNWIND (frame, op_ret, op_errno, \
+ (void *)__compound_rsp, NULL); \
+ } else { \
+ args_##fop##_cbk_store (__fop_rsp, \
+ op_ret, op_errno, params); \
+ __local->counter++; \
+ __ret = dc_compound_fop_wind (frame, __this); \
+ if (__ret < 0) { \
+ DC_STACK_UNWIND (frame, -1, -__ret, \
+ (void *)__compound_rsp, NULL); \
+ } \
+ } \
+ } while (0)
+#endif /* DC_H__ */