libglusterfs: syncop for flush ()

Change-Id: I17f925345782313c75102c4767121ba8e283028e
BUG: 764813
Signed-off-by: Rajesh Amaravathi <rajesh@redhat.com>
Reviewed-on: http://review.gluster.com/3667
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>

2 files changed, 32 insertions, 0 deletions

diff --git a/libglusterfs/src/syncop.c b/libglusterfs/src/syncop.c
index c84832dfbcf..4ef7d7aea52 100644
--- a/libglusterfs/src/syncop.c
+++ b/libglusterfs/src/syncop.c
@@ -1224,6 +1224,37 @@ syncop_fsync (xlator_t *subvol, fd_t *fd)
 
 }
 
+
+int
+syncop_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+                  int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+        struct syncargs *args = NULL;
+
+        args = cookie;
+
+        args->op_ret   = op_ret;
+        args->op_errno = op_errno;
+
+        __wake (args);
+
+        return 0;
+
+}
+
+int
+syncop_flush (xlator_t *subvol, fd_t *fd)
+{
+        struct syncargs args = {0};
+
+        SYNCOP (subvol, (&args), syncop_flush_cbk, subvol->fops->flush,
+                fd, NULL);
+
+        errno = args.op_errno;
+        return args.op_ret;
+
+}
+
 int
 syncop_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                   int32_t op_ret, int32_t op_errno, struct iatt *stbuf, dict_t *xdata)
diff --git a/libglusterfs/src/syncop.h b/libglusterfs/src/syncop.h
index 726e8c49a0d..2db2fb7e8b7 100644
--- a/libglusterfs/src/syncop.h
+++ b/libglusterfs/src/syncop.h
@@ -194,6 +194,7 @@ int syncop_truncate (xlator_t *subvol, loc_t *loc, off_t offset);
 int syncop_unlink (xlator_t *subvol, loc_t *loc);
 
 int syncop_fsync (xlator_t *subvol, fd_t *fd);
+int syncop_flush (xlator_t *subvol, fd_t *fd);
 int syncop_fstat (xlator_t *subvol, fd_t *fd, struct iatt *stbuf);
 int syncop_stat (xlator_t *subvol, loc_t *loc, struct iatt *stbuf);