btrfs-progs: Cleanup, use bitshift instead of immediate number in btrfs_open_ctree_flags.

Change the immediate number in btrfs_open_ctree_flags to bit shift.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/disk-io.h b/disk-io.h
index 4818109..e12870e 100644 (file)
--- a/disk-io.h
+++ b/disk-io.h
@@ -26,13 +26,13 @@
 #define BTRFS_SUPER_MIRROR_SHIFT 12
 
 enum btrfs_open_ctree_flags {
-       OPEN_CTREE_WRITES               = 1,
-       OPEN_CTREE_PARTIAL              = 2,
-       OPEN_CTREE_BACKUP_ROOT          = 4,
-       OPEN_CTREE_RECOVER_SUPER        = 8,
-       OPEN_CTREE_RESTORE              = 16,
-       OPEN_CTREE_NO_BLOCK_GROUPS      = 32,
-       OPEN_CTREE_EXCLUSIVE            = 64,
+       OPEN_CTREE_WRITES               = (1 << 0),
+       OPEN_CTREE_PARTIAL              = (1 << 1),
+       OPEN_CTREE_BACKUP_ROOT          = (1 << 2),
+       OPEN_CTREE_RECOVER_SUPER        = (1 << 3),
+       OPEN_CTREE_RESTORE              = (1 << 4),
+       OPEN_CTREE_NO_BLOCK_GROUPS      = (1 << 5),
+       OPEN_CTREE_EXCLUSIVE            = (1 << 6),
 };
 
 static inline u64 btrfs_sb_offset(int mirror)