Btrfs: renumber BTRFS_INODE_ runtime flags and switch to enums

We got rid of BTRFS_INODE_HAS_ORPHAN_ITEM and
BTRFS_INODE_ORPHAN_META_RESERVED, so we can renumber the flags to make
them consecutive again.
Signed-off-by: Omar Sandoval <osandov@fb.com>
[ switch them enums so we don't have to do that again ]
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/btrfs_inode.h

@@ -19,15 +19,17 @@
  * ordered operations list so that we make sure to flush out any
  * new data the application may have written before commit.
  */
-#define BTRFS_INODE_ORDERED_DATA_CLOSE		0
-#define BTRFS_INODE_DUMMY			2
-#define BTRFS_INODE_IN_DEFRAG			3
-#define BTRFS_INODE_HAS_ASYNC_EXTENT		5
-#define BTRFS_INODE_NEEDS_FULL_SYNC		6
-#define BTRFS_INODE_COPY_EVERYTHING		7
-#define BTRFS_INODE_IN_DELALLOC_LIST		8
-#define BTRFS_INODE_READDIO_NEED_LOCK		9
-#define BTRFS_INODE_HAS_PROPS		        10
+enum {
+	BTRFS_INODE_ORDERED_DATA_CLOSE = 0,
+	BTRFS_INODE_DUMMY,
+	BTRFS_INODE_IN_DEFRAG,
+	BTRFS_INODE_HAS_ASYNC_EXTENT,
+	BTRFS_INODE_NEEDS_FULL_SYNC,
+	BTRFS_INODE_COPY_EVERYTHING,
+	BTRFS_INODE_IN_DELALLOC_LIST,
+	BTRFS_INODE_READDIO_NEED_LOCK,
+	BTRFS_INODE_HAS_PROPS,
+};
 
 /* in memory btrfs inode */
 struct btrfs_inode {