afr: switch lk_owner only when pre-op succeeds

Problem:
In a disk full scenario, we take a failure path in afr_transaction_perform_fop()
and go to unlock phase. But we change the lk-owner before that, causing unlock
to fail. When mount issues another fop that takes locks on that file, it hangs.

Fix:
Change lk-owner only when we are about to perform the fop phase.
Also fix the same issue for arbiters when afr_txn_arbitrate_fop() fails the fop.

Also removed the DISK_SPACE_CHECK_AND_GOTO in posix_xattrop. Otherwise truncate
to zero will fail pre-op phase with ENOSPC when the user is actually trying to
freee up space.

Change-Id: Ic4c8a596b4cdf4a7fc189bf00b561113cf114353
fixes: bz#1602236
Signed-off-by: Ravishankar N <ravishankar@redhat.com>

0 files changed, 0 insertions, 0 deletions