xfs: clean up xfs_dir2_leaf_addname

Remove typedefs and consolidate local variable initialization.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>

fs/xfs/libxfs/xfs_dir2_leaf.c

@@ -563,43 +563,40 @@ xfs_dir3_leaf_find_entry(
  */
 int						/* error */
 xfs_dir2_leaf_addname(
-	xfs_da_args_t		*args)		/* operation arguments */
+	struct xfs_da_args	*args)		/* operation arguments */
 {
+	struct xfs_dir3_icleaf_hdr leafhdr;
+	struct xfs_trans	*tp = args->trans;
 	__be16			*bestsp;	/* freespace table in leaf */
-	int			compact;	/* need to compact leaves */
-	xfs_dir2_data_hdr_t	*hdr;		/* data block header */
+	__be16			*tagp;		/* end of data entry */
 	struct xfs_buf		*dbp;		/* data block buffer */
-	xfs_dir2_data_entry_t	*dep;		/* data block entry */
-	xfs_inode_t		*dp;		/* incore directory inode */
-	xfs_dir2_data_unused_t	*dup;		/* data unused entry */
+	struct xfs_buf		*lbp;		/* leaf's buffer */
+	struct xfs_dir2_leaf	*leaf;		/* leaf structure */
+	struct xfs_inode	*dp = args->dp;	/* incore directory inode */
+	struct xfs_dir2_data_hdr *hdr;		/* data block header */
+	struct xfs_dir2_data_entry *dep;	/* data block entry */
+	struct xfs_dir2_leaf_entry *lep;	/* leaf entry table pointer */
+	struct xfs_dir2_leaf_entry *ents;
+	struct xfs_dir2_data_unused *dup;	/* data unused entry */
+	struct xfs_dir2_leaf_tail *ltp;		/* leaf tail pointer */
+	struct xfs_dir2_data_free *bf;		/* bestfree table */
+	int			compact;	/* need to compact leaves */
 	int			error;		/* error return value */
 	int			grown;		/* allocated new data block */
 	int			highstale = 0;	/* index of next stale leaf */
 	int			i;		/* temporary, index */
 	int			index;		/* leaf table position */
-	struct xfs_buf		*lbp;		/* leaf's buffer */
-	xfs_dir2_leaf_t		*leaf;		/* leaf structure */
 	int			length;		/* length of new entry */
-	xfs_dir2_leaf_entry_t	*lep;		/* leaf entry table pointer */
 	int			lfloglow;	/* low leaf logging index */
 	int			lfloghigh;	/* high leaf logging index */
 	int			lowstale = 0;	/* index of prev stale leaf */
-	xfs_dir2_leaf_tail_t	*ltp;		/* leaf tail pointer */
 	int			needbytes;	/* leaf block bytes needed */
 	int			needlog;	/* need to log data header */
 	int			needscan;	/* need to rescan data free */
-	__be16			*tagp;		/* end of data entry */
-	xfs_trans_t		*tp;		/* transaction pointer */
 	xfs_dir2_db_t		use_block;	/* data block number */
-	struct xfs_dir2_data_free *bf;		/* bestfree table */
-	struct xfs_dir2_leaf_entry *ents;
-	struct xfs_dir3_icleaf_hdr leafhdr;
 
 	trace_xfs_dir2_leaf_addname(args);
 
-	dp = args->dp;
-	tp = args->trans;
-
 	error = xfs_dir3_leaf_read(tp, dp, args->geo->leafblk, -1, &lbp);
 	if (error)
 		return error;