[XFS] Given the log a pointer to the AIL

When we need to go from the log to the AIL, we have to go via the
xfs_mount. Add a xfs_ail pointer to the log so we can go directly to the
AIL associated with the log.

SGI-PV: 988143

SGI-Modid: xfs-linux-melb:xfs-kern:32351a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index a2f7422a749f..405a41ab6855 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -572,6 +572,7 @@ xfs_log_mount(
                 cmn_err(CE_WARN, "XFS: AIL initialisation failed: error %d", error);
                 goto error;
         }
+        mp->m_log->l_ailp = mp->m_ail;
 
         /*
          * skip log recovery on a norecovery mount.  pretend it all
@@ -908,7 +909,7 @@ xfs_log_need_covered(xfs_mount_t *mp)
         spin_lock(&log->l_icloglock);
         if (((log->l_covered_state == XLOG_STATE_COVER_NEED) ||
                 (log->l_covered_state == XLOG_STATE_COVER_NEED2))
-                        && !xfs_trans_ail_tail(mp->m_ail)
+                        && !xfs_trans_ail_tail(log->l_ailp)
                         && xlog_iclogs_empty(log)) {
                 if (log->l_covered_state == XLOG_STATE_COVER_NEED)
                         log->l_covered_state = XLOG_STATE_COVER_DONE;