From: David Sterba Date: Tue, 27 Nov 2018 13:50:27 +0000 (+0100) Subject: btrfs: switch BTRFS_FS_STATE_* to enums X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=b00146b5d53c0306326eb46245901d20b69efd16;p=openwrt%2Fstaging%2Fblogic.git 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: Omar Sandoval Reviewed-by: Qu Wenruo Reviewed-by: Johannes Thumshirn Signed-off-by: David Sterba --- diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 0ac7efd3d2b2..84ffd3163aec 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -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