xfs: reduce xfs_attr_try_sf_addname parameters

The dp parameter to this function is an alias of args->dp, so remove it
for clarity before we go adding new callers.

Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

Author: Darrick J. Wong

fs/xfs/libxfs/xfs_attr.c

@@ -350,16 +350,14 @@ xfs_attr_set_resv(
  */
 STATIC int
 xfs_attr_try_sf_addname(
-	struct xfs_inode	*dp,
 	struct xfs_da_args	*args)
 {
-
 	int			error;
 
 	/*
 	 * Build initial attribute list (if required).
 	 */
-	if (dp->i_af.if_format == XFS_DINODE_FMT_EXTENTS)
+	if (args->dp->i_af.if_format == XFS_DINODE_FMT_EXTENTS)
 		xfs_attr_shortform_create(args);
 
 	error = xfs_attr_shortform_addname(args);
@@ -371,9 +369,9 @@ xfs_attr_try_sf_addname(
 	 * NOTE: this is also the error path (EEXIST, etc).
 	 */
 	if (!error)
-		xfs_trans_ichgtime(args->trans, dp, XFS_ICHGTIME_CHG);
+		xfs_trans_ichgtime(args->trans, args->dp, XFS_ICHGTIME_CHG);
 
-	if (xfs_has_wsync(dp->i_mount))
+	if (xfs_has_wsync(args->dp->i_mount))
 		xfs_trans_set_sync(args->trans);
 
 	return error;
@@ -384,10 +382,9 @@ xfs_attr_sf_addname(
 	struct xfs_attr_intent		*attr)
 {
 	struct xfs_da_args		*args = attr->xattri_da_args;
-	struct xfs_inode		*dp = args->dp;
 	int				error = 0;
 
-	error = xfs_attr_try_sf_addname(dp, args);
+	error = xfs_attr_try_sf_addname(args);
 	if (error != -ENOSPC) {
 		ASSERT(!error || error == -EEXIST);
 		attr->xattri_dela_state = XFS_DAS_DONE;