From: Bob Peterson <rpeterso@redhat.com>
Date: Wed, 14 Apr 2010 15:58:16 +0000 (-0400)
Subject: GFS2: glock livelock
X-Git-Tag: v2.6.35-rc1~463^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a0eae8848cde6e0734360f6456496c995ee1e23;p=pandora-kernel.git

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>
---

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