1 files changed, 14 insertions, 31 deletions

diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 002fc2617c8e..92af4098c7e8 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -375,7 +375,7 @@ xfs_buf_item_unpin(
         xfs_buf_log_item_t      *bip,
         int                     stale)
 {
-        xfs_mount_t     *mp;
+        struct xfs_ail  *ailp;
         xfs_buf_t       *bp;
         int             freed;
 
@@ -387,7 +387,7 @@ xfs_buf_item_unpin(
         xfs_buftrace("XFS_UNPIN", bp);
 
         freed = atomic_dec_and_test(&bip->bli_refcount);
-        mp = bip->bli_item.li_mountp;
+        ailp = bip->bli_item.li_ailp;
         xfs_bunpin(bp);
         if (freed && stale) {
                 ASSERT(bip->bli_flags & XFS_BLI_STALE);
@@ -399,17 +399,17 @@ xfs_buf_item_unpin(
                 xfs_buftrace("XFS_UNPIN STALE", bp);
                 /*
                  * If we get called here because of an IO error, we may
-                 * or may not have the item on the AIL. xfs_trans_delete_ail()
+                 * or may not have the item on the AIL. xfs_trans_ail_delete()
                  * will take care of that situation.
-                 * xfs_trans_delete_ail() drops the AIL lock.
+                 * xfs_trans_ail_delete() drops the AIL lock.
                  */
                 if (bip->bli_flags & XFS_BLI_STALE_INODE) {
                         xfs_buf_do_callbacks(bp, (xfs_log_item_t *)bip);
                         XFS_BUF_SET_FSPRIVATE(bp, NULL);
                         XFS_BUF_CLR_IODONE_FUNC(bp);
                 } else {
-                        spin_lock(&mp->m_ail_lock);
-                        xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip);
+                        spin_lock(&ailp->xa_lock);
+                        xfs_trans_ail_delete(ailp, (xfs_log_item_t *)bip);
                         xfs_buf_item_relse(bp);
                         ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL);
                 }
@@ -707,8 +707,8 @@ xfs_buf_item_init(
          * the first.  If we do already have one, there is
          * nothing to do here so return.
          */
-        if (XFS_BUF_FSPRIVATE3(bp, xfs_mount_t *) != mp)
-                XFS_BUF_SET_FSPRIVATE3(bp, mp);
+        if (bp->b_mount != mp)
+                bp->b_mount = mp;
         XFS_BUF_SET_BDSTRAT_FUNC(bp, xfs_bdstrat_cb);
         if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) {
                 lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
@@ -731,6 +731,7 @@ xfs_buf_item_init(
         bip->bli_item.li_type = XFS_LI_BUF;
         bip->bli_item.li_ops = &xfs_buf_item_ops;
         bip->bli_item.li_mountp = mp;
+        bip->bli_item.li_ailp = mp->m_ail;
         bip->bli_buf = bp;
         xfs_buf_hold(bp);
         bip->bli_format.blf_type = XFS_LI_BUF;
@@ -997,21 +998,7 @@ xfs_buf_iodone_callbacks(
                         xfs_buf_do_callbacks(bp, lip);
                         XFS_BUF_SET_FSPRIVATE(bp, NULL);
                         XFS_BUF_CLR_IODONE_FUNC(bp);
-
-                        /*
-                         * XFS_SHUT flag gets set when we go thru the
-                         * entire buffer cache and deliberately start
-                         * throwing away delayed write buffers.
-                         * Since there's no biowait done on those,
-                         * we should just brelse them.
-                         */
-                        if (XFS_BUF_ISSHUT(bp)) {
-                            XFS_BUF_UNSHUT(bp);
-                                xfs_buf_relse(bp);
-                        } else {
-                                xfs_biodone(bp);
-                        }
-
+                        xfs_biodone(bp);
                         return;
                 }
 
@@ -1122,27 +1109,23 @@ xfs_buf_iodone(
         xfs_buf_t               *bp,
         xfs_buf_log_item_t      *bip)
 {
-        struct xfs_mount        *mp;
+        struct xfs_ail          *ailp = bip->bli_item.li_ailp;
 
         ASSERT(bip->bli_buf == bp);
 
         xfs_buf_rele(bp);
-        mp = bip->bli_item.li_mountp;
 
         /*
          * If we are forcibly shutting down, this may well be
          * off the AIL already. That's because we simulate the
          * log-committed callbacks to unpin these buffers. Or we may never
          * have put this item on AIL because of the transaction was
-         * aborted forcibly. xfs_trans_delete_ail() takes care of these.
+         * aborted forcibly. xfs_trans_ail_delete() takes care of these.
          *
          * Either way, AIL is useless if we're forcing a shutdown.
          */
-        spin_lock(&mp->m_ail_lock);
-        /*
-         * xfs_trans_delete_ail() drops the AIL lock.
-         */
-        xfs_trans_delete_ail(mp, (xfs_log_item_t *)bip);
+        spin_lock(&ailp->xa_lock);
+        xfs_trans_ail_delete(ailp, (xfs_log_item_t *)bip);
         xfs_buf_item_free(bip);
 }