[XFS] Tight loop in xfs_finish_reclaim_all prevented the xfslogd to run
its queue of IO completion callbacks, thus creating the deadlock between
umount and xfslogd. Breaking the loop solves the problem.
SGI-PV: 943821
SGI-Modid: xfs-linux-melb:xfs-kern:202363a
Signed-off-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 7c1f745..e03fa2a 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -3958,8 +3958,9 @@
}
}
XFS_MOUNT_IUNLOCK(mp);
- xfs_finish_reclaim(ip, noblock,
- XFS_IFLUSH_DELWRI_ELSE_ASYNC);
+ if (xfs_finish_reclaim(ip, noblock,
+ XFS_IFLUSH_DELWRI_ELSE_ASYNC))
+ delay(1);
purged = 1;
break;
}