From patchwork Wed Jul 29 03:28:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 11690261 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9F7631392 for ; Wed, 29 Jul 2020 03:29:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 90AA32067D for ; Wed, 29 Jul 2020 03:29:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726314AbgG2D3I (ORCPT ); Tue, 28 Jul 2020 23:29:08 -0400 Received: from out4436.biz.mail.alibaba.com ([47.88.44.36]:55135 "EHLO out4436.biz.mail.alibaba.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726290AbgG2D3F (ORCPT ); Tue, 28 Jul 2020 23:29:05 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R841e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04357;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0U46nKlX_1595993332; Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0U46nKlX_1595993332) by smtp.aliyun-inc.com(127.0.0.1); Wed, 29 Jul 2020 11:28:53 +0800 From: Baolin Wang To: axboe@kernel.dk Cc: ming.lei@redhat.com, hch@lst.de, baolin.wang@linux.alibaba.com, baolin.wang7@gmail.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] block: Remove __blk_mq_sched_bio_merge() helper Date: Wed, 29 Jul 2020 11:28:37 +0800 Message-Id: X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org The blk_mq_sched_bio_merge() just wrap the __blk_mq_sched_bio_merge(), and no other places will use __blk_mq_sched_bio_merge(). Thus we can combine these 2 similar functions into one function. Signed-off-by: Baolin Wang --- block/blk-mq-sched.c | 5 ++++- block/blk-mq-sched.h | 13 ++----------- 2 files changed, 6 insertions(+), 12 deletions(-) diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 4e3eef5..f7ae74a 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -408,7 +408,7 @@ bool blk_mq_bio_list_merge(struct request_queue *q, struct list_head *list, } EXPORT_SYMBOL_GPL(blk_mq_bio_list_merge); -bool __blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio, +bool blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio, unsigned int nr_segs) { struct elevator_queue *e = q->elevator; @@ -417,6 +417,9 @@ bool __blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio, bool ret = false; enum hctx_type type; + if (blk_queue_nomerges(q) || !bio_mergeable(bio)) + return false; + if (e && e->type->ops.bio_merge) return e->type->ops.bio_merge(hctx, bio, nr_segs); diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h index 126021f..65151de 100644 --- a/block/blk-mq-sched.h +++ b/block/blk-mq-sched.h @@ -13,8 +13,6 @@ void blk_mq_sched_free_hctx_data(struct request_queue *q, void blk_mq_sched_request_inserted(struct request *rq); bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio, unsigned int nr_segs, struct request **merged_request); -bool __blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio, - unsigned int nr_segs); bool blk_mq_sched_try_insert_merge(struct request_queue *q, struct request *rq); void blk_mq_sched_mark_restart_hctx(struct blk_mq_hw_ctx *hctx); void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx); @@ -31,15 +29,8 @@ void blk_mq_sched_insert_requests(struct blk_mq_hw_ctx *hctx, void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e); void blk_mq_sched_free_requests(struct request_queue *q); -static inline bool -blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio, - unsigned int nr_segs) -{ - if (blk_queue_nomerges(q) || !bio_mergeable(bio)) - return false; - - return __blk_mq_sched_bio_merge(q, bio, nr_segs); -} +bool blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio, + unsigned int nr_segs); static inline bool blk_mq_sched_allow_merge(struct request_queue *q, struct request *rq,