Hello there, [linux-4.2-rc4/drivers/md/dm-cache-policy-smq.c:1689]: (warning) Logical conjunction always evaluates to false: !EXPR && EXPR. Source code is if (!mq->cache_hit_bits && mq->cache_hit_bits) { Maybe if (!mq->cache_hit_bits) { was intended. Regards David Binderman -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel