From 6a87fc437a034e4be2a63d8dfd4d2985c6c574bc Mon Sep 17 00:00:00 2001 From: Caleb Sander Mateos Date: Fri, 28 Mar 2025 12:04:09 -0600 Subject: [PATCH] ublk: get ubq from pdu in ublk_cmd_list_tw_cb() Save a few pointer dereferences by obtaining struct ublk_queue *ubq from the ublk_uring_cmd_pdu instead of the request's mq_hctx. Signed-off-by: Caleb Sander Mateos Link: https://lore.kernel.org/r/20250328180411.2696494-4-csander@purestorage.com Signed-off-by: Jens Axboe --- drivers/block/ublk_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 8b9780c0feab..9276d1fcc100 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -1287,7 +1287,7 @@ static void ublk_cmd_list_tw_cb(struct io_uring_cmd *cmd, { struct ublk_uring_cmd_pdu *pdu = ublk_get_uring_cmd_pdu(cmd); struct request *rq = pdu->req_list; - struct ublk_queue *ubq = rq->mq_hctx->driver_data; + struct ublk_queue *ubq = pdu->ubq; struct request *next; do { -- 2.25.1