blk-mq: add REQ_SYNC early

Add REQ_SYNC early, so rq_dispatched[] in blk_mq_rq_ctx_init is set correctly. Signed-off-by: Shaohua Li<[email protected]> Signed-off-by: Jens Axboe <[email protected]>
ambv · Mar 21, 2014 · 27fbf4e · 27fbf4e
1 parent 55c816e
commit 27fbf4e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/block/blk-mq.c b/block/blk-mq.c
@@ -860,6 +860,8 @@ static void blk_mq_make_request(struct request_queue *q, struct bio *bio)
 	ctx = blk_mq_get_ctx(q);
 	hctx = q->mq_ops->map_queue(q, ctx->cpu);
 
+	if (is_sync)
+		rw |= REQ_SYNC;
 	trace_block_getrq(q, bio, rw);
 	rq = __blk_mq_alloc_request(hctx, GFP_ATOMIC, false);
 	if (likely(rq))