cluster/dht: If hashed_subvol is NULL, do not fail

Problem: With the current implementation we are allowing unlink
of a file if hashed subvol is down and cached subvol is up.
For the above op to work we should have the info of hashed_subvol.
But incase we do remount of the volume we will have a zeroed layout
for the disconnected subvol(start=0, stop=0, err=ENOTCONN) which will
result  into hashed_subvol being NULL and failing unlink op.

Solution: Dont fail if hashed_subvol is NULL. Check cached subvol
and unlink in cached subvol. The linkto file in the hashed subvol
can be remove later.

Change-Id: Ic1982c15c8942a1adcb47ed0017d2d5ace5c9241
BUG: 983416
Signed-off-by: Susant Palai <spalai@redhat.com>
Reviewed-on: http://review.gluster.org/6851
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>

0 files changed, 0 insertions, 0 deletions