diff mbox series

block/mq-deadline: Set the fifo_time member also if inserting at head

Message ID 20220513171307.32564-1-bvanassche@acm.org (mailing list archive)
State New, archived
Headers show
Series block/mq-deadline: Set the fifo_time member also if inserting at head | expand

Commit Message

Bart Van Assche May 13, 2022, 5:13 p.m. UTC
Before commit 322cff70d46c the fifo_time member of requests on a dispatch
list was not used. Commit 322cff70d46c introduces code that reads the
fifo_time member of requests on dispatch lists. Hence this patch that sets
the fifo_time member when adding a request to a dispatch list.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Fixes: 322cff70d46c ("block/mq-deadline: Prioritize high-priority requests")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 block/mq-deadline.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Jens Axboe May 13, 2022, 11:03 p.m. UTC | #1
On Fri, 13 May 2022 10:13:07 -0700, Bart Van Assche wrote:
> Before commit 322cff70d46c the fifo_time member of requests on a dispatch
> list was not used. Commit 322cff70d46c introduces code that reads the
> fifo_time member of requests on dispatch lists. Hence this patch that sets
> the fifo_time member when adding a request to a dispatch list.
> 
> 

Applied, thanks!

[1/1] block/mq-deadline: Set the fifo_time member also if inserting at head
      commit: 725f22a1477c9c15aa67ad3af96fe28ec4fe72d2

Best regards,
diff mbox series

Patch

diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 3ed5eaf3446a..6ed602b2f80a 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -742,6 +742,7 @@  static void dd_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
 
 	if (at_head) {
 		list_add(&rq->queuelist, &per_prio->dispatch);
+		rq->fifo_time = jiffies;
 	} else {
 		deadline_add_rq_rb(per_prio, rq);