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>
diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index d15876e..d81bc7e 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -169,7 +169,7 @@
if (error)
goto fail;
- inode = gfs2_inode_lookup(sb, DT_UNKNOWN, inum->no_addr, 0, 0);
+ inode = gfs2_inode_lookup(sb, DT_UNKNOWN, inum->no_addr, 0);
if (IS_ERR(inode)) {
error = PTR_ERR(inode);
goto fail;