xfs: Rename xa_ elements to ail_

This is a simple rename, except that xa_ail becomes ail_head.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 86f92df..ec6b018 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -803,8 +803,8 @@ xfs_log_item_batch_insert(
 {
 	int	i;
 
-	spin_lock(&ailp->xa_lock);
-	/* xfs_trans_ail_update_bulk drops ailp->xa_lock */
+	spin_lock(&ailp->ail_lock);
+	/* xfs_trans_ail_update_bulk drops ailp->ail_lock */
 	xfs_trans_ail_update_bulk(ailp, cur, log_items, nr_items, commit_lsn);
 
 	for (i = 0; i < nr_items; i++) {
@@ -847,9 +847,9 @@ xfs_trans_committed_bulk(
 	struct xfs_ail_cursor	cur;
 	int			i = 0;
 
-	spin_lock(&ailp->xa_lock);
+	spin_lock(&ailp->ail_lock);
 	xfs_trans_ail_cursor_last(ailp, &cur, commit_lsn);
-	spin_unlock(&ailp->xa_lock);
+	spin_unlock(&ailp->ail_lock);
 
 	/* unpin all the log items */
 	for (lv = log_vector; lv; lv = lv->lv_next ) {
@@ -869,7 +869,7 @@ xfs_trans_committed_bulk(
 		 * object into the AIL as we are in a shutdown situation.
 		 */
 		if (aborted) {
-			ASSERT(XFS_FORCED_SHUTDOWN(ailp->xa_mount));
+			ASSERT(XFS_FORCED_SHUTDOWN(ailp->ail_mount));
 			lip->li_ops->iop_unpin(lip, 1);
 			continue;
 		}
@@ -883,11 +883,11 @@ xfs_trans_committed_bulk(
 			 * not affect the AIL cursor the bulk insert path is
 			 * using.
 			 */
-			spin_lock(&ailp->xa_lock);
+			spin_lock(&ailp->ail_lock);
 			if (XFS_LSN_CMP(item_lsn, lip->li_lsn) > 0)
 				xfs_trans_ail_update(ailp, lip, item_lsn);
 			else
-				spin_unlock(&ailp->xa_lock);
+				spin_unlock(&ailp->ail_lock);
 			lip->li_ops->iop_unpin(lip, 0);
 			continue;
 		}
@@ -905,9 +905,9 @@ xfs_trans_committed_bulk(
 	if (i)
 		xfs_log_item_batch_insert(ailp, &cur, log_items, i, commit_lsn);
 
-	spin_lock(&ailp->xa_lock);
+	spin_lock(&ailp->ail_lock);
 	xfs_trans_ail_cursor_done(&cur);
-	spin_unlock(&ailp->xa_lock);
+	spin_unlock(&ailp->ail_lock);
 }
 
 /*