[XFS] Finish removing the mount pointer from the AIL API

Change all the remaining AIL API functions that are passed struct
xfs_mount pointers to pass pointers directly to the struct xfs_ail being
used. With this conversion, all external access to the AIL is via the
struct xfs_ail. Hence the operation and referencing of the AIL is almost
entirely independent of the xfs_mount that is using it - it is now much
more tightly tied to the log and the items it is tracking in the log than
it is tied to the xfs_mount.

SGI-PV: 988143

SGI-Modid: xfs-linux-melb:xfs-kern:32353a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 5163e12..ad137ef 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1387,7 +1387,6 @@
 
 	lidp = licp->lic_descs;
 	for (i = 0; i < licp->lic_unused; i++, lidp++) {
-		struct xfs_mount	*mp;
 		struct xfs_ail		*ailp;
 
 		if (xfs_lic_isfree(licp, i)) {
@@ -1426,7 +1425,6 @@
 		 * This would cause the earlier transaction to fail
 		 * the test below.
 		 */
-		mp = lip->li_mountp;
 		ailp = lip->li_ailp;
 		spin_lock(&ailp->xa_lock);
 		if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0) {
@@ -1435,9 +1433,9 @@
 			 * and update the position of the item in
 			 * the AIL.
 			 *
-			 * xfs_trans_update_ail() drops the AIL lock.
+			 * xfs_trans_ail_update() drops the AIL lock.
 			 */
-			xfs_trans_update_ail(mp, lip, item_lsn);
+			xfs_trans_ail_update(ailp, lip, item_lsn);
 		} else {
 			spin_unlock(&ailp->xa_lock);
 		}