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authorPranith Kumar K <pkarampu@redhat.com>2013-05-22 15:18:19 +0530
committerAnand Avati <avati@redhat.com>2013-06-10 13:04:21 -0700
commit2fda7a9de2edd624a03558d9a9a580e5639fef1f (patch)
treef1d13045cabeee7bd07be0110f1a58ed6a9838c4 /libglusterfs/src/fd.c
parentbb0bbfecd609fff1a3890775b3119a552aba0e18 (diff)
cluster/afr: Perform delayed changelog wakeups for anon fdv3.4.0beta3
Problem: Nfs xlator never does open on a file for performing writes, afr does not perform changelog wakeup for this fd so operations which do metadata operations as soon as the data operations are completed perceive a delay od 'post-op-delay-secs'. Fix: Perform changelog wakeup on anon-fd if the fd with same pid is not present in inode-list. Note: This approach is a short-term fix. A proper fix needs a new domain for taking metadata locks so that data/metadata locks don't compete with each other. BUG: 966018 Change-Id: Ia9188a253e7943801b665e1b9205e2f551952d87 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/5067 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'libglusterfs/src/fd.c')
-rw-r--r--libglusterfs/src/fd.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/libglusterfs/src/fd.c b/libglusterfs/src/fd.c
index 2f4afc5e8..36cc4d056 100644
--- a/libglusterfs/src/fd.c
+++ b/libglusterfs/src/fd.c
@@ -780,6 +780,23 @@ fd_anonymous (inode_t *inode)
return fd;
}
+fd_t*
+fd_lookup_anonymous (inode_t *inode)
+{
+ fd_t *fd = NULL;
+
+ if (!inode) {
+ gf_log_callingfn ("fd", GF_LOG_WARNING, "!inode");
+ return NULL;
+ }
+
+ LOCK (&inode->lock);
+ {
+ fd = __fd_lookup_anonymous (inode);
+ }
+ UNLOCK (&inode->lock);
+ return fd;
+}
gf_boolean_t
fd_is_anonymous (fd_t *fd)