diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-06-06 20:01:34 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-06-10 13:17:16 -0400 |
| commit | 2760bfe38826f65b1806f1cc62744404b5917dea (patch) | |
| tree | a674dde0d7c4149127fd4a66a1f79bd5cf9d35bb /fs/bcachefs | |
| parent | 9ac3e660cac3e29cfc817b6a23735b70f12bd16a (diff) | |
bcachefs: Fix reporting of freed objects from key cache shrinker
We count objects as freed when we move them to the srcu-pending lists
because we're doing the equivalent of a kfree_srcu(); the only
difference is managing the pending list ourself means we can allocate
from the pending list.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs')
| -rw-r--r-- | fs/bcachefs/btree_key_cache.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c index eaf012ddca08..2ad3d27c91e6 100644 --- a/fs/bcachefs/btree_key_cache.c +++ b/fs/bcachefs/btree_key_cache.c @@ -841,7 +841,6 @@ static unsigned long bch2_btree_key_cache_scan(struct shrinker *shrink, six_lock_exit(&ck->c.lock); kmem_cache_free(bch2_key_cache, ck); atomic_long_dec(&bc->nr_freed); - freed++; bc->nr_freed_nonpcpu--; bc->freed++; } @@ -855,7 +854,6 @@ static unsigned long bch2_btree_key_cache_scan(struct shrinker *shrink, six_lock_exit(&ck->c.lock); kmem_cache_free(bch2_key_cache, ck); atomic_long_dec(&bc->nr_freed); - freed++; bc->nr_freed_pcpu--; bc->freed++; } @@ -877,23 +875,22 @@ static unsigned long bch2_btree_key_cache_scan(struct shrinker *shrink, if (test_bit(BKEY_CACHED_DIRTY, &ck->flags)) { bc->skipped_dirty++; - goto next; } else if (test_bit(BKEY_CACHED_ACCESSED, &ck->flags)) { clear_bit(BKEY_CACHED_ACCESSED, &ck->flags); bc->skipped_accessed++; - goto next; - } else if (bkey_cached_lock_for_evict(ck)) { + } else if (!bkey_cached_lock_for_evict(ck)) { + bc->skipped_lock_fail++; + } else { bkey_cached_evict(bc, ck); bkey_cached_free(bc, ck); bc->moved_to_freelist++; - } else { - bc->skipped_lock_fail++; + freed++; } scanned++; if (scanned >= nr) break; -next: + pos = next; } |