xfs: merge xfs_dir2_data_freescan and xfs_dir2_data_freescan_int

There is no real need for xfs_dir2_data_freescan wrapper, so rename
xfs_dir2_data_freescan_int to xfs_dir2_data_freescan and let the
callers dereference the mount pointer from the inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index 0aa1d16..9e471a2 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -608,7 +608,7 @@ xfs_dir2_data_freeremove(
  * Given a data block, reconstruct its bestfree map.
  */
 void
-xfs_dir2_data_freescan_int(
+xfs_dir2_data_freescan(
 	struct xfs_mount		*mp,
 	struct xfs_dir2_data_hdr	*hdr,
 	int				*loghead)
@@ -655,15 +655,6 @@ xfs_dir2_data_freescan_int(
 	}
 }
 
-void
-xfs_dir2_data_freescan(
-	struct xfs_inode	*dp,
-	struct xfs_dir2_data_hdr *hdr,
-	int			*loghead)
-{
-	return xfs_dir2_data_freescan_int(dp->i_mount, hdr, loghead);
-}
-
 /*
  * Initialize a data block at the given block number in the directory.
  * Give back the buffer for the created block.