diff options
Diffstat (limited to 'libbcachefs/alloc_background.h')
| -rw-r--r-- | libbcachefs/alloc_background.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libbcachefs/alloc_background.h b/libbcachefs/alloc_background.h index 2ac6b504..044bc729 100644 --- a/libbcachefs/alloc_background.h +++ b/libbcachefs/alloc_background.h @@ -150,11 +150,13 @@ void bch2_do_discards(struct bch_fs *); static inline u64 should_invalidate_buckets(struct bch_dev *ca, struct bch_dev_usage u) { - u64 free = u.d[BCH_DATA_free].buckets + - u.d[BCH_DATA_need_discard].buckets; + u64 want_free = ca->mi.nbuckets >> 7; + u64 free = max_t(s64, 0, + u.d[BCH_DATA_free].buckets + + u.d[BCH_DATA_need_discard].buckets + - bch2_dev_buckets_reserved(ca, RESERVE_none)); - return clamp_t(s64, (ca->mi.nbuckets >> 7) - free, - 0, u.d[BCH_DATA_cached].buckets); + return clamp_t(s64, want_free - free, 0, u.d[BCH_DATA_cached].buckets); } void bch2_do_invalidates(struct bch_fs *); |