From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2CBD2C76188 for ; Mon, 22 Jul 2019 05:40:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1043E22296 for ; Mon, 22 Jul 2019 05:40:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726390AbfGVFkQ (ORCPT ); Mon, 22 Jul 2019 01:40:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56358 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725821AbfGVFkQ (ORCPT ); Mon, 22 Jul 2019 01:40:16 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E87E485541; Mon, 22 Jul 2019 05:40:15 +0000 (UTC) Received: from localhost (ovpn-8-23.pek2.redhat.com [10.72.8.23]) by smtp.corp.redhat.com (Postfix) with ESMTP id C41055D704; Mon, 22 Jul 2019 05:40:12 +0000 (UTC) From: Ming Lei To: Jens Axboe Cc: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Ming Lei , Max Gurtovoy , Sagi Grimberg , Keith Busch , Christoph Hellwig Subject: [PATCH 1/5] blk-mq: introduce blk_mq_request_completed() Date: Mon, 22 Jul 2019 13:39:50 +0800 Message-Id: <20190722053954.25423-2-ming.lei@redhat.com> In-Reply-To: <20190722053954.25423-1-ming.lei@redhat.com> References: <20190722053954.25423-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 22 Jul 2019 05:40:16 +0000 (UTC) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org NVMe needs this function to decide if one request to be aborted has been completed in normal IO path already. So introduce it. Cc: Max Gurtovoy Cc: Sagi Grimberg Cc: Keith Busch Cc: Christoph Hellwig Signed-off-by: Ming Lei --- block/blk-mq.c | 6 ++++++ include/linux/blk-mq.h | 1 + 2 files changed, 7 insertions(+) diff --git a/block/blk-mq.c b/block/blk-mq.c index b038ec680e84..e1d0b4567388 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -665,6 +665,12 @@ int blk_mq_request_started(struct request *rq) } EXPORT_SYMBOL_GPL(blk_mq_request_started); +int blk_mq_request_completed(struct request *rq) +{ + return blk_mq_rq_state(rq) == MQ_RQ_COMPLETE; +} +EXPORT_SYMBOL_GPL(blk_mq_request_completed); + void blk_mq_start_request(struct request *rq) { struct request_queue *q = rq->q; diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 3fa1fa59f9b2..baac2926e54a 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -296,6 +296,7 @@ static inline u16 blk_mq_unique_tag_to_tag(u32 unique_tag) int blk_mq_request_started(struct request *rq); +int blk_mq_request_completed(struct request *rq); void blk_mq_start_request(struct request *rq); void blk_mq_end_request(struct request *rq, blk_status_t error); void __blk_mq_end_request(struct request *rq, blk_status_t error); -- 2.20.1