xfs: kill ino64 mount option

The ino64 mount option adds a fixed offset to 32bit inode numbers
to bring them into the 64bit range.  There's no need for this kind
of debug tool given that it's easy to produce real 64bit inode numbers
for testing.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index 6427ff1..fa913e45 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -780,7 +780,6 @@
 	int			ra_index;	/* *map index for read-ahead */
 	int			ra_offset;	/* map entry offset for ra */
 	int			ra_want;	/* readahead count wanted */
-	xfs_ino_t		ino;
 
 	/*
 	 * If the offset is at or past the largest allowed value,
@@ -1076,24 +1075,12 @@
 			continue;
 		}
 
-		/*
-		 * Copy the entry into the putargs, and try formatting it.
-		 */
 		dep = (xfs_dir2_data_entry_t *)ptr;
-
 		length = xfs_dir2_data_entsize(dep->namelen);
 
-		ino = be64_to_cpu(dep->inumber);
-#if XFS_BIG_INUMS
-		ino += mp->m_inoadd;
-#endif
-
-		/*
-		 * Won't fit.  Return to caller.
-		 */
 		if (filldir(dirent, dep->name, dep->namelen,
 			    xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff,
-			    ino, DT_UNKNOWN))
+			    be64_to_cpu(dep->inumber), DT_UNKNOWN))
 			break;
 
 		/*