On Fri, Mar 22, 2019 at 10:48:17PM +0800, Yufen Yu wrote: > @@ -2710,7 +2710,7 @@ static struct blk_mq_hw_ctx *blk_mq_alloc_and_init_hctx( > return NULL; > } > > - atomic_set(&hctx->nr_active, 0); > + refcount_set(&hctx->nr_active, 0); > hctx->numa_node = node; > hctx->queue_num = hctx_idx; > That looks bogus, refcount_t cannot inc-from-zero.
