tree 536f944468ef5bc6f47ec09325422adbc5a3907a
parent 602c89d2e3e8652f94a697c9a919be739b9bcdd5
author Bob Peterson <rpeterso@redhat.com> 1271260696 -0400
committer Steven Whitehouse <swhiteho@redhat.com> 1271260085 +0100

GFS2: glock livelock

This patch fixes a couple gfs2 problems with the reclaiming of
unlinked dinodes.  First, there were a couple of livelocks where
everything would come to a halt waiting for a glock that was
seemingly held by a process that no longer existed.  In fact, the
process did exist, it just had the wrong pid number in the holder
information.  Second, there was a lock ordering problem between
inode locking and glock locking.  Third, glock/inode contention
could sometimes cause inodes to be improperly marked invalid by
iget_failed.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>