xfs: merge xfs_rud_init into xfs_trans_get_rud

There is no good reason to keep these two functions separate.

Signed-off-by: Christoph Hellwig <[e-mail]>
Reviewed-by: Brian Foster <[e-mail]>
Reviewed-by: Darrick J. Wong <[e-mail]>
Signed-off-by: Darrick J. Wong <[e-mail]>

fs/xfs/xfs_rmap_item.c

···
 	.iop_release	= xfs_rud_item_release,
 };
 
-/*
- * Allocate and initialize an rud item with the given number of extents.
- */
 struct xfs_rud_log_item *
-xfs_rud_init(
-	struct xfs_mount		*mp,
+xfs_trans_get_rud(
+	struct xfs_trans		*tp,
 	struct xfs_rui_log_item		*ruip)
-
 {
-	struct xfs_rud_log_item	*rudp;
+	struct xfs_rud_log_item		*rudp;
 
 	rudp = kmem_zone_zalloc(xfs_rud_zone, KM_SLEEP);
-	xfs_log_item_init(mp, &rudp->rud_item, XFS_LI_RUD, &xfs_rud_item_ops);
+	xfs_log_item_init(tp->t_mountp, &rudp->rud_item, XFS_LI_RUD,
+			  &xfs_rud_item_ops);
 	rudp->rud_ruip = ruip;
 	rudp->rud_format.rud_rui_id = ruip->rui_format.rui_id;
 
+	xfs_trans_add_item(tp, &rudp->rud_item);
 	return rudp;
 }
 

fs/xfs/xfs_rmap_item.h

···
 extern struct kmem_zone	*xfs_rud_zone;
 
 struct xfs_rui_log_item *xfs_rui_init(struct xfs_mount *, uint);
-struct xfs_rud_log_item *xfs_rud_init(struct xfs_mount *,
-		struct xfs_rui_log_item *);
 int xfs_rui_copy_format(struct xfs_log_iovec *buf,
 		struct xfs_rui_log_format *dst_rui_fmt);
 void xfs_rui_item_free(struct xfs_rui_log_item *);

fs/xfs/xfs_trans_rmap.c

···
 	}
 }
 
-struct xfs_rud_log_item *
-xfs_trans_get_rud(
-	struct xfs_trans		*tp,
-	struct xfs_rui_log_item		*ruip)
-{
-	struct xfs_rud_log_item		*rudp;
-
-	rudp = xfs_rud_init(tp->t_mountp, ruip);
-	xfs_trans_add_item(tp, &rudp->rud_item);
-	return rudp;
-}
-
 /*
  * Finish an rmap update and log it to the RUD. Note that the transaction is
  * marked dirty regardless of whether the rmap update succeeds or fails to