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| author | Josef Bacik <josef@toxicpanda.com> | 2022-09-14 17:06:32 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-12-05 18:00:37 +0100 |
| commit | 390d89ccf672ec79b84037d4af834b2275ff7cb9 (patch) | |
| tree | 982d38d7c47812540c007405f57bab1ca690dcac /fs/btrfs/free-space-cache.h | |
| parent | btrfs: move BTRFS_MAX_MIRRORS into scrub.c (diff) | |
| download | linux-390d89ccf672ec79b84037d4af834b2275ff7cb9.tar.xz linux-390d89ccf672ec79b84037d4af834b2275ff7cb9.zip | |
btrfs: move discard stat defs to free-space-cache.h
These definitions are used for discard statistics, move them out of
ctree.h and put them in free-space-cache.h.
Reviewed-by: Qu Wenruo <wqu@suse.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>
Diffstat (limited to 'fs/btrfs/free-space-cache.h')
| -rw-r--r-- | fs/btrfs/free-space-cache.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h index 6d419ba53e95..eaf30f6444dd 100644 --- a/fs/btrfs/free-space-cache.h +++ b/fs/btrfs/free-space-cache.h @@ -43,6 +43,15 @@ static inline bool btrfs_free_space_trimming_bitmap( return (info->trim_state == BTRFS_TRIM_STATE_TRIMMING); } +/* + * Deltas are an effective way to populate global statistics. Give macro names + * 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 + struct btrfs_free_space_ctl { spinlock_t tree_lock; struct rb_root free_space_offset; |