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btrfs: convert discard stat defs to enum

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Do away with the defines and use an enum as it's cleaner.

Suggested-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2022-10-26 15:08:16 -04:00 committed by David Sterba
parent 43dd529abe
commit cb9a10a650
1 changed files with 5 additions and 3 deletions
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8
fs/btrfs/free-space-cache.h
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@ -48,9 +48,11 @@ static inline bool btrfs_free_space_trimming_bitmap(
* to make it clear what we're doing. An example is discard_extents in
* btrfs_free_space_ctl.
*/
#define BTRFS_STAT_NR_ENTRIES 2
#define BTRFS_STAT_CURR 0
#define BTRFS_STAT_PREV 1
enum {
BTRFS_STAT_CURR,
BTRFS_STAT_PREV,
BTRFS_STAT_NR_ENTRIES,
};
struct btrfs_free_space_ctl {
spinlock_t tree_lock;