[XFS] add a long pointers flag to xfs_btree_cur
Add a flag to the xfs btree cursor when using long (64bit) block pointers
instead of checking btnum == XFS_BTNUM_BMAP.
SGI-PV: 985583
SGI-Modid: xfs-linux-melb:xfs-kern:32181a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index fefbc69..dd93fd3 100644
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -116,11 +116,6 @@
#define XFS_BB_ALL_BITS ((1 << XFS_BB_NUM_BITS) - 1)
/*
- * Boolean to select which form of xfs_btree_block_t.bb_u to use.
- */
-#define XFS_BTREE_LONG_PTRS(btnum) ((btnum) == XFS_BTNUM_BMAP)
-
-/*
* Magic numbers for btree blocks.
*/
extern const __uint32_t xfs_magics[];
@@ -203,6 +198,7 @@
} xfs_btree_cur_t;
/* cursor flags */
+#define XFS_BTREE_LONG_PTRS (1<<0) /* pointers are 64bits long */
#define XFS_BTREE_ROOT_IN_INODE (1<<1) /* root may be variable size */