diff options
Diffstat (limited to 'fs/bcachefs/alloc_background.h')
| -rw-r--r-- | fs/bcachefs/alloc_background.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/bcachefs/alloc_background.h b/fs/bcachefs/alloc_background.h index ae31a94be6f9..c3cc3c5ba5b6 100644 --- a/fs/bcachefs/alloc_background.h +++ b/fs/bcachefs/alloc_background.h @@ -141,7 +141,13 @@ static inline u64 alloc_lru_idx_fragmentation(struct bch_alloc_v4 a, !bch2_bucket_sectors_fragmented(ca, a)) return 0; - u64 d = bch2_bucket_sectors_dirty(a); + /* + * avoid overflowing LRU_TIME_BITS on a corrupted fs, when + * bucket_sectors_dirty is (much) bigger than bucket_size + */ + u64 d = min(bch2_bucket_sectors_dirty(a), + ca->mi.bucket_size); + return div_u64(d * (1ULL << 31), ca->mi.bucket_size); } |