From 9f2779bff2f178496fb00b89797734ee245d2c93 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Fri, 28 Apr 2017 08:53:01 -0600 Subject: [PATCH] blk-mq-sched: remove hack that bypasses scheduler for reserved requests We have update the troublesome driver (mtip32xx) to deal with this appropriately. So kill the hack that bypassed scheduler allocation and insertion for reserved requests. Reviewed-by: Ming Lei Reviewed-by: Christoph Hellwig Tested-by: Ming Lei Signed-off-by: Jens Axboe --- block/blk-mq-sched.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 8b361e1..e79e9f1 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -82,11 +82,7 @@ struct request *blk_mq_sched_get_request(struct request_queue *q, if (likely(!data->hctx)) data->hctx = blk_mq_map_queue(q, data->ctx->cpu); - /* - * For a reserved tag, allocate a normal request since we might - * have driver dependencies on the value of the internal tag. - */ - if (e && !(data->flags & BLK_MQ_REQ_RESERVED)) { + if (e) { data->flags |= BLK_MQ_REQ_INTERNAL; /* -- 2.7.4