diff options
Diffstat (limited to 'fs/bcachefs/buckets.h')
| -rw-r--r-- | fs/bcachefs/buckets.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/bcachefs/buckets.h b/fs/bcachefs/buckets.h index 7463e6420b14..04a2a9310cdd 100644 --- a/fs/bcachefs/buckets.h +++ b/fs/bcachefs/buckets.h @@ -294,6 +294,13 @@ static inline int bch2_disk_reservation_get(struct bch_fs *c, return bch2_disk_reservation_add(c, res, sectors * nr_replicas, flags); } +#define RESERVE_FACTOR 6 + +static inline u64 avail_factor(u64 r) +{ + return div_u64(r << RESERVE_FACTOR, (1 << RESERVE_FACTOR) + 1); +} + int bch2_dev_buckets_resize(struct bch_fs *, struct bch_dev *, u64); void bch2_dev_buckets_free(struct bch_dev *); int bch2_dev_buckets_alloc(struct bch_fs *, struct bch_dev *); |