xfs: change xfs_bmap_{finish,cancel,init,free} -> xfs_defer_*

Drop the compatibility shims that we were using to integrate the new
deferred operation mechanism into the existing code.  No new code.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 3615f80..d9447f1 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -308,7 +308,7 @@
 	xfs_buf_t	**O_bpp)
 {
 	xfs_fsblock_t	firstblock;
-	xfs_bmap_free_t flist;
+	struct xfs_defer_ops flist;
 	xfs_bmbt_irec_t map;
 	int		nmaps, error;
 	xfs_buf_t	*bp;
@@ -321,7 +321,7 @@
 	/*
 	 * Initialize the bmap freelist prior to calling bmapi code.
 	 */
-	xfs_bmap_init(&flist, &firstblock);
+	xfs_defer_init(&flist, &firstblock);
 	xfs_ilock(quotip, XFS_ILOCK_EXCL);
 	/*
 	 * Return if this type of quotas is turned off while we didn't
@@ -369,7 +369,7 @@
 			      dqp->dq_flags & XFS_DQ_ALLTYPES, bp);
 
 	/*
-	 * xfs_bmap_finish() may commit the current transaction and
+	 * xfs_defer_finish() may commit the current transaction and
 	 * start a second transaction if the freelist is not empty.
 	 *
 	 * Since we still want to modify this buffer, we need to
@@ -383,7 +383,7 @@
 
 	xfs_trans_bhold(tp, bp);
 
-	error = xfs_bmap_finish(tpp, &flist, NULL);
+	error = xfs_defer_finish(tpp, &flist, NULL);
 	if (error)
 		goto error1;
 
@@ -399,7 +399,7 @@
 	return 0;
 
 error1:
-	xfs_bmap_cancel(&flist);
+	xfs_defer_cancel(&flist);
 error0:
 	xfs_iunlock(quotip, XFS_ILOCK_EXCL);