1 files changed, 26 insertions, 7 deletions

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 4c86a26330a0..b3ac3805d3c4 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -498,11 +498,14 @@ xfs_log_reserve(xfs_mount_t	 *mp,
  * Return error or zero.
  */
 int
-xfs_log_mount(xfs_mount_t       *mp,
-              xfs_buftarg_t     *log_target,
-              xfs_daddr_t       blk_offset,
-              int               num_bblks)
+xfs_log_mount(
+        xfs_mount_t     *mp,
+        xfs_buftarg_t   *log_target,
+        xfs_daddr_t     blk_offset,
+        int             num_bblks)
 {
+        int             error;
+
         if (!(mp->m_flags & XFS_MOUNT_NORECOVERY))
                 cmn_err(CE_NOTE, "XFS mounting filesystem %s", mp->m_fsname);
         else {
@@ -515,11 +518,21 @@ xfs_log_mount(xfs_mount_t	*mp,
         mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks);
 
         /*
+         * Initialize the AIL now we have a log.
+         */
+        spin_lock_init(&mp->m_ail_lock);
+        error = xfs_trans_ail_init(mp);
+        if (error) {
+                cmn_err(CE_WARN, "XFS: AIL initialisation failed: error %d", error);
+                goto error;
+        }
+
+        /*
          * skip log recovery on a norecovery mount.  pretend it all
          * just worked.
          */
         if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {
-                int             error, readonly = (mp->m_flags & XFS_MOUNT_RDONLY);
+                int     readonly = (mp->m_flags & XFS_MOUNT_RDONLY);
 
                 if (readonly)
                         mp->m_flags &= ~XFS_MOUNT_RDONLY;
@@ -530,8 +543,7 @@ xfs_log_mount(xfs_mount_t	*mp,
                         mp->m_flags |= XFS_MOUNT_RDONLY;
                 if (error) {
                         cmn_err(CE_WARN, "XFS: log mount/recovery failed: error %d", error);
-                        xlog_dealloc_log(mp->m_log);
-                        return error;
+                        goto error;
                 }
         }
 
@@ -540,6 +552,9 @@ xfs_log_mount(xfs_mount_t	*mp,
 
         /* End mounting message in xfs_log_mount_finish */
         return 0;
+error:
+        xfs_log_unmount_dealloc(mp);
+        return error;
 }       /* xfs_log_mount */
 
 /*
@@ -722,10 +737,14 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 
 /*
  * Deallocate log structures for unmount/relocation.
+ *
+ * We need to stop the aild from running before we destroy
+ * and deallocate the log as the aild references the log.
  */
 void
 xfs_log_unmount_dealloc(xfs_mount_t *mp)
 {
+        xfs_trans_ail_destroy(mp);
         xlog_dealloc_log(mp->m_log);
 }