Revert "performance/readdir-ahead: Invalidate cached dentries if they're modified while in cache"

This reverts commit 7131de81f72dda0ef685ed60d0887c6e14289b8c.

With the latest master, I created a single brick volume and some files
inside it.

[root@rhgs313-6 ~]# umount -f /mnt/fuse1; mount -t glusterfs -s
192.168.122.6:/thunder /mnt/fuse1; ls -l /mnt/fuse1/; echo "Trying
again"; ls -l /mnt/fuse1
umount: /mnt/fuse1: not mounted
total 0
----------. 0 root root 0 Jan  1  1970 file-1
----------. 0 root root 0 Jan  1  1970 file-2
----------. 0 root root 0 Jan  1  1970 file-3
----------. 0 root root 0 Jan  1  1970 file-4
----------. 0 root root 0 Jan  1  1970 file-5
d---------. 0 root root 0 Jan  1  1970 subdir
Trying again
total 3
-rw-r--r--. 1 root root 33 Aug  3 14:06 file-1
-rw-r--r--. 1 root root 33 Aug  3 14:06 file-2
-rw-r--r--. 1 root root 33 Aug  3 14:06 file-3
-rw-r--r--. 1 root root 33 Aug  3 14:06 file-4
-rw-r--r--. 1 root root 33 Aug  3 14:06 file-5
d---------. 0 root root  0 Jan  1  1970 subdir
[root@rhgs313-6 ~]#

Conversation can be followed on gluster-devel on thread with subj:
tests/bugs/distribute/bug-1122443.t - spurious failure. git-bisected
pointed this patch as culprit.

Change-Id: I1eb46f6c196f44fde8ce991840a0e724e6f50862
Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
Updates: bz#1390050

1 files changed, 2 insertions, 2 deletions

diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index fa1ac13078e..1d6564cb962 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -6336,9 +6336,9 @@ dht_file_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
 
 out:
         if (local->fop == GF_FOP_REMOVEXATTR) {
-                DHT_STACK_UNWIND (removexattr, frame, op_ret, op_errno, xdata);
+                DHT_STACK_UNWIND (removexattr, frame, op_ret, op_errno, NULL);
         } else {
-                DHT_STACK_UNWIND (fremovexattr, frame, op_ret, op_errno, xdata);
+                DHT_STACK_UNWIND (fremovexattr, frame, op_ret, op_errno, NULL);
         }
         return 0;