xfs: move dir_ino_validate declaration per xfsprogs

Move the declaration of _dir_ino_validate out of the private
dir2 header file into the public one, since xfsprogs did that
for the benefit of xfs_repair.

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

fs/xfs/libxfs/xfs_dir2.h

@@ -180,6 +180,8 @@ extern struct xfs_dir2_data_free *xfs_dir2_data_freefind(
 		struct xfs_dir2_data_hdr *hdr, struct xfs_dir2_data_free *bf,
 		struct xfs_dir2_data_unused *dup);
 
+extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
+
 extern const struct xfs_buf_ops xfs_dir3_block_buf_ops;
 extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops;
 extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops;

fs/xfs/libxfs/xfs_dir2_priv.h

@@ -21,7 +21,6 @@
 struct dir_context;
 
 /* xfs_dir2.c */
-extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
 extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
 				xfs_dir2_db_t *dbp);
 extern int xfs_dir_cilookup_result(struct xfs_da_args *args,