[XFS] Re-initialize the per-cpu superblock counters after recovery.

After filesystem recovery the superblock is re-read to bring in any
changes. If the per-cpu superblock counters are not re-initialized from
the superblock then the next time the per-cpu counters are disabled they
might overwrite the global counter with a bogus value.

SGI-PV: 957348
SGI-Modid: xfs-linux-melb:xfs-kern:27999a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 61a29e1191a..ca74d3f5910 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3848,6 +3848,9 @@ xlog_do_recover(
         ASSERT(XFS_SB_GOOD_VERSION(sbp));
         xfs_buf_relse(bp);
 
+        /* We've re-read the superblock so re-initialize per-cpu counters */
+        xfs_icsb_reinit_counters(log->l_mp);
+
         xlog_recover_check_summary(log);
 
         /* Normal transactions can now occur */