diff options
| -rw-r--r-- | drivers/md/dm-snap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index d135212958f..8a4a9c838af 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -553,6 +553,8 @@ static int init_hash_tables(struct dm_snapshot *s) hash_size = min(origin_dev_size, cow_dev_size) >> s->store->chunk_shift; hash_size = min(hash_size, max_buckets); + if (hash_size < 64) + hash_size = 64; hash_size = rounddown_pow_of_two(hash_size); if (init_exception_table(&s->complete, hash_size, DM_CHUNK_CONSECUTIVE_BITS)) |