Commit b00146b5 authored by David Sterba's avatar David Sterba
Browse files

btrfs: switch BTRFS_FS_STATE_* to enums 



We can use simple enum for values that are not part of on-disk format:
global filesystem states.

Reviewed-by: default avatarOmar Sandoval <osandov@fb.com>
Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Reviewed-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent da12fe54

fs/btrfs/ctree.h

+19 −6
Original line number Diff line number Diff line
@@ -109,13 +109,26 @@ static inline unsigned long btrfs_chunk_item_size(int num_stripes) 
}



/*

 * File system states

 * Runtime (in-memory) states of filesystem

 */

#define BTRFS_FS_STATE_ERROR		0

#define BTRFS_FS_STATE_REMOUNTING	1

#define BTRFS_FS_STATE_TRANS_ABORTED	2

#define BTRFS_FS_STATE_DEV_REPLACING	3

#define BTRFS_FS_STATE_DUMMY_FS_INFO	4

enum {

	/* Global indicator of serious filesystem errors */

	BTRFS_FS_STATE_ERROR,

	/*

	 * Filesystem is being remounted, allow to skip some operations, like

	 * defrag

	 */

	BTRFS_FS_STATE_REMOUNTING,

	/* Track if a transaction abort has been reported on this filesystem */

	BTRFS_FS_STATE_TRANS_ABORTED,

	/*

	 * Bio operations should be blocked on this filesystem because a source

	 * or target device is being destroyed as part of a device replace

	 */

	BTRFS_FS_STATE_DEV_REPLACING,

	/* The btrfs_fs_info created for self-tests */

	BTRFS_FS_STATE_DUMMY_FS_INFO,

};



#define BTRFS_BACKREF_REV_MAX		256

#define BTRFS_BACKREF_REV_SHIFT		56

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