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btrfs: switch BTRFS_FS_* to enums 

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

Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2018-11-27 14:55:46 +01:00
parent 688a75b9a3
commit eb1a524c95
1 changed files with 31 additions and 32 deletions
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63
fs/btrfs/ctree.h
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@ -757,38 +757,37 @@ struct btrfs_swapfile_pin {
bool btrfs_pinned_by_swapfile(struct btrfs_fs_info *fs_info, void *ptr);
#define BTRFS_FS_BARRIER 1
#define BTRFS_FS_CLOSING_START 2
#define BTRFS_FS_CLOSING_DONE 3
#define BTRFS_FS_LOG_RECOVERING 4
#define BTRFS_FS_OPEN 5
#define BTRFS_FS_QUOTA_ENABLED 6
#define BTRFS_FS_UPDATE_UUID_TREE_GEN 9
#define BTRFS_FS_CREATING_FREE_SPACE_TREE 10
#define BTRFS_FS_BTREE_ERR 11
#define BTRFS_FS_LOG1_ERR 12
#define BTRFS_FS_LOG2_ERR 13
#define BTRFS_FS_QUOTA_OVERRIDE 14
/* Used to record internally whether fs has been frozen */
#define BTRFS_FS_FROZEN 15
/*
* Indicate that a whole-filesystem exclusive operation is running
* (device replace, resize, device add/delete, balance)
*/
#define BTRFS_FS_EXCL_OP 16
/*
* To info transaction_kthread we need an immediate commit so it doesn't
* need to wait for commit_interval
*/
#define BTRFS_FS_NEED_ASYNC_COMMIT 17
/*
* Indicate that balance has been set up from the ioctl and is in the main
* phase. The fs_info::balance_ctl is initialized.
*/
#define BTRFS_FS_BALANCE_RUNNING 18
enum {
BTRFS_FS_BARRIER,
BTRFS_FS_CLOSING_START,
BTRFS_FS_CLOSING_DONE,
BTRFS_FS_LOG_RECOVERING,
BTRFS_FS_OPEN,
BTRFS_FS_QUOTA_ENABLED,
BTRFS_FS_UPDATE_UUID_TREE_GEN,
BTRFS_FS_CREATING_FREE_SPACE_TREE,
BTRFS_FS_BTREE_ERR,
BTRFS_FS_LOG1_ERR,
BTRFS_FS_LOG2_ERR,
BTRFS_FS_QUOTA_OVERRIDE,
/* Used to record internally whether fs has been frozen */
BTRFS_FS_FROZEN,
/*
* Indicate that a whole-filesystem exclusive operation is running
* (device replace, resize, device add/delete, balance)
*/
BTRFS_FS_EXCL_OP,
/*
* To info transaction_kthread we need an immediate commit so it
* doesn't need to wait for commit_interval
*/
BTRFS_FS_NEED_ASYNC_COMMIT,
/*
* Indicate that balance has been set up from the ioctl and is in the
* main phase. The fs_info::balance_ctl is initialized.
*/
BTRFS_FS_BALANCE_RUNNING,
};
struct btrfs_fs_info {
u8 chunk_tree_uuid[BTRFS_UUID_SIZE];