diff options
Diffstat (limited to 'drivers/md/dm-snap.c')
| -rw-r--r-- | drivers/md/dm-snap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index b8e4d31124ea..75e59294ef77 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -855,11 +855,12 @@ static int dm_add_exception(void *context, chunk_t old, chunk_t new) static uint32_t __minimum_chunk_size(struct origin *o) { struct dm_snapshot *snap; - unsigned chunk_size = rounddown_pow_of_two(UINT_MAX); + unsigned chunk_size = 0; if (o) list_for_each_entry(snap, &o->snapshots, list) - chunk_size = min(chunk_size, snap->store->chunk_size); + chunk_size = min_not_zero(chunk_size, + snap->store->chunk_size); return (uint32_t) chunk_size; } |