diff options
Diffstat (limited to 'fs/bcachefs/alloc_background.h')
| -rw-r--r-- | fs/bcachefs/alloc_background.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/bcachefs/alloc_background.h b/fs/bcachefs/alloc_background.h index b3c2f1e0deb6..96ac8f396d46 100644 --- a/fs/bcachefs/alloc_background.h +++ b/fs/bcachefs/alloc_background.h @@ -64,11 +64,24 @@ static inline enum bch_data_type alloc_data_type(struct bch_alloc_v4 a, a.stripe, a, data_type); } -static inline u64 alloc_lru_idx(struct bch_alloc_v4 a) +static inline u64 alloc_lru_idx_read(struct bch_alloc_v4 a) { return a.data_type == BCH_DATA_cached ? a.io_time[READ] : 0; } +static inline u64 alloc_lru_idx_fragmentation(struct bch_alloc_v4 a, + struct bch_dev *ca) +{ + if (a.data_type != BCH_DATA_btree && + a.data_type != BCH_DATA_user) + return 0; + + if (a.dirty_sectors >= ca->mi.bucket_size) + return 0; + + return div_u64((u64) a.dirty_sectors * (1ULL << 31), ca->mi.bucket_size); +} + static inline u64 alloc_freespace_genbits(struct bch_alloc_v4 a) { return ((u64) alloc_gc_gen(a) >> 4) << 56; |