Description of problem: Renames fails with ENOENT while the graph change was going on. This was a single export volume.


Version-Release number of selected component (if applicable): 3.3.0qa29


How reproducible: Consistently


Steps to Reproduce:
1. while true; do echo 'sdsdsd' > dot; mv dot dot2; rm -rf *; done
2. while true; do gluster volume set test2 performance.write-behind off; sleep 1; gluster volume set test2 performance.write-behind on; sleep 1; done

3.
  
Actual results:

mv: cannot move `dot' to `dot2': No such file or directory


Expected results:

Renames should continue without errors.


Additional info:

Client log:

[2012-03-19 16:31:06.223804] E [fuse-bridge.c:1511:fuse_rename_resume] 0-glusterfs-fuse: RENAME 45223 00000000-0000-0000-0000-000000000000/do
t -> 00000000-0000-0000-0000-000000000000/dot2 src resolution failed
[2012-03-19 16:31:06.229473] E [fuse-bridge.c:1329:fuse_unlink_resume] 0-glusterfs-fuse: UNLINK 1 (00000000-0000-0000-0000-000000000000/dot) 
resolution failed
[2012-03-19 16:31:06.235730] E [fuse-bridge.c:1511:fuse_rename_resume] 0-glusterfs-fuse: RENAME 45240 00000000-0000-0000-0000-000000000000/do
t -> 00000000-0000-0000-0000-000000000000/dot2 src resolution failed
[2012-03-19 16:31:06.243696] E [fuse-bridge.c:1329:fuse_unlink_resume] 0-glusterfs-fuse: UNLINK 1 (00000000-0000-0000-0000-000000000000/dot) 
resolution failed
[2012-03-19 16:31:06.249440] E [fuse-bridge.c:1511:fuse_rename_resume] 0-glusterfs-fuse: RENAME 45257 00000000-0000-0000-0000-000000000000/do
t -> 00000000-0000-0000-0000-000000000000/dot2 src resolution failed
[2012-03-19 16:31:06.252887] E [fuse-bridge.c:1329:fuse_unlink_resume] 0-glusterfs-fuse: UNLINK 1 (00000000-0000-0000-0000-000000000000/dot) 
resolution failed
[2012-03-19 16:31:06.259771] E [fuse-bridge.c:1511:fuse_rename_resume] 0-glusterfs-fuse: RENAME 45274 00000000-0000-0000-0000-000000000000/do
t -> 00000000-0000-0000-0000-000000000000/dot2 src resolution failed
[2012-03-19 16:31:06.262661] E [fuse-bridge.c:1329:fuse_unlink_resume] 0-glusterfs-fuse: UNLINK 1 (00000000-0000-0000-0000-000000000000/dot) 
resolution failed
[2012-03-19 16:31:06.271101] E [fuse-bridge.c:1511:fuse_rename_resume] 0-glusterfs-fuse: RENAME 45291 00000000-0000-0000-0000-000000000000/do
t -> 00000000-0000-0000-0000-000000000000/dot2 src resolution failed
[2012-03-19 16:31:06.273614] E [fuse-bridge.c:1329:fuse_unlink_resume] 0-glusterfs-fuse: UNLINK 1 (00000000-0000-0000-0000-000000000000/dot) 
resolution failed
[2012-03-19 16:31:06.277884] E [fuse-bridge.c:1511:fuse_rename_resume] 0-glusterfs-fuse: RENAME 45308 00000000-0000-0000-0000-000000000000/do
t -> 00000000-0000-0000-0000-000000000000/dot2 src resolution failed
[2012-03-19 16:31:06.280381] E [fuse-bridge.c:1329:fuse_unlink_resume] 0-glusterfs-fuse: UNLINK 1 (00000000-0000-0000-0000-000000000000/dot) 
resolution failed