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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR04MB7158.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 093927e7-fbde-4a4c-4d91-08d969580652 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Aug 2021 12:41:43.2387 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: IxkF3esgJDfe2Irs9DDsQYvYncCRFWUy5y1sKhZGk/i3HdNfsO+SWG4zWjIeQfPCh0uYXr0Ueoca0hXVan/u+g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR04MB7702 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Niklas Cassel This reverts commit b6d2b054e8baaee53fd2d4854c63cbf0f2c6262a. There is no longer any need to perform any workaround private data magic in order to track if a request was inserted to the scheduler or not. blk-mq will no longer call .finish_request() for requests that were never inserted to the scheduler. This patch also didn't handle requeues properly, so it would have required additional private data magic if it wasn't reverted. Signed-off-by: Niklas Cassel --- block/mq-deadline.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 36920670dccc..a5d171b54f8e 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -682,7 +682,6 @@ static void dd_insert_request(struct blk_mq_hw_ctx *hct= x, struct request *rq, =20 prio =3D ioprio_class_to_prio[ioprio_class]; dd_count(dd, inserted, prio); - rq->elv.priv[0] =3D (void *)(uintptr_t)1; =20 if (blk_mq_sched_try_insert_merge(q, rq, &free)) { blk_mq_free_requests(&free); @@ -731,10 +730,12 @@ static void dd_insert_requests(struct blk_mq_hw_ctx *= hctx, spin_unlock(&dd->lock); } =20 -/* Callback from inside blk_mq_rq_ctx_init(). */ +/* + * Nothing to do here. This is defined only to ensure that .finish_request + * method is called upon request completion. + */ static void dd_prepare_request(struct request *rq) { - rq->elv.priv[0] =3D NULL; } =20 /* @@ -761,14 +762,7 @@ static void dd_finish_request(struct request *rq) const enum dd_prio prio =3D ioprio_class_to_prio[ioprio_class]; struct dd_per_prio *per_prio =3D &dd->per_prio[prio]; =20 - /* - * The block layer core may call dd_finish_request() without having - * called dd_insert_requests(). Hence only update statistics for - * requests for which dd_insert_requests() has been called. See also - * blk_mq_request_bypass_insert(). - */ - if (rq->elv.priv[0]) - dd_count(dd, completed, prio); + dd_count(dd, completed, prio); =20 if (blk_queue_is_zoned(q)) { unsigned long flags; --=20 2.31.1