diff options
| -rw-r--r-- | block/blk-core.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index b1fd4f5f07d..a824e49c0d0 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -268,8 +268,7 @@ void __generic_unplug_device(struct request_queue *q) { if (unlikely(blk_queue_stopped(q))) return; - - if (!blk_remove_plug(q)) + if (!blk_remove_plug(q) && !blk_queue_nonrot(q)) return; q->request_fn(q); @@ -1241,11 +1240,11 @@ get_rq: if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags) || bio_flagged(bio, BIO_CPU_AFFINE)) req->cpu = blk_cpu_to_group(smp_processor_id()); - if (elv_queue_empty(q)) + if (!blk_queue_nonrot(q) && elv_queue_empty(q)) blk_plug_device(q); add_request(q, req); out: - if (sync) + if (sync || blk_queue_nonrot(q)) __generic_unplug_device(q); spin_unlock_irq(q->queue_lock); return 0; |