Commit 9482f3b0 authored by Kent Overstreet's avatar Kent Overstreet

bcachefs: avoid overflowing LRU_TIME_BITS for cached data lru

Reported-by: syzbot+510b0b28f8e6de64d307@syzkaller.appspotmail.com
Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 075cabf3
......@@ -150,7 +150,9 @@ static inline void alloc_data_type_set(struct bch_alloc_v4 *a, enum bch_data_typ
static inline u64 alloc_lru_idx_read(struct bch_alloc_v4 a)
{
return a.data_type == BCH_DATA_cached ? a.io_time[READ] : 0;
return a.data_type == BCH_DATA_cached
? a.io_time[READ] & LRU_TIME_MAX
: 0;
}
#define DATA_TYPES_MOVABLE \
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment