From nobody Thu Oct 2 23:51:49 2025 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 936C9310782; Wed, 10 Sep 2025 08:14:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757492060; cv=none; b=T1jaEkBrdxfgjyiKWQiNfmcCotVoIBI2k+I+bK43+KX71dTniMJMCOXeK/T3ZTENwPFgI8q8BIa3/AGtJo79URagnzUB31IOforepOQMGBdq6ySJ7kyH9cytTWiVD4WKIfBcAxV2oD5bNxds+0COh7PFdE+y4gdUUl5/oVF3RI8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757492060; c=relaxed/simple; bh=Y8UX9C+IfTgkO7D+2lbw/xOeX64zQrTkxbIfVJS1Vgs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=IL5BZmVjnPbvNEXpmkfyzRxEUukAmH5g/zQXYB2Uk12tQprgzEHVtO+Dd1YJONRWee+kRMHePrNVZMCsK0uzROaz7JlQipejRxeP4HN+5KLUliHRsRM5PGEH7F5sc4Us49ZA557pPdou8cTK8PXPbJ/9lVE+i3SDxzDN3JOr8e4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.216]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4cMD49340GzYQvjh; Wed, 10 Sep 2025 16:14:17 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id E8C6C1A1B26; Wed, 10 Sep 2025 16:14:15 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgDnMY5QM8Fo1ggRCA--.52270S13; Wed, 10 Sep 2025 16:14:15 +0800 (CST) From: Yu Kuai To: axboe@kernel.dk, nilay@linux.ibm.com, ming.lei@redhat.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com Subject: [PATCH v2 for-6.18/block 09/10] blk-mq: remove blk_mq_tag_update_depth() Date: Wed, 10 Sep 2025 16:04:44 +0800 Message-Id: <20250910080445.239096-10-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250910080445.239096-1-yukuai1@huaweicloud.com> References: <20250910080445.239096-1-yukuai1@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: gCh0CgDnMY5QM8Fo1ggRCA--.52270S13 X-Coremail-Antispam: 1UD129KBjvJXoW7Ar4xtrWkAF4fCrWxJr48tFb_yoW8KF4DpF W3ta1DK3y5tr1q9FWDtay7Aw1Fgw4vgr18Ka9aqa4Fqr1jkr4xXF1vqr1kA3y0yrWkCF4f ZrWqgryrJF1kJrDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBYb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E 14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7 xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Y z7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij64 vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8G jcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2I x0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26F4j6r4UJwCI42IY6xAI w20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x 0267AKxVWxJr0_GcJvcSsGvfC2KfnxnUUI43ZEXa7IU1aLvJUUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ Content-Type: text/plain; charset="utf-8" From: Yu Kuai This helper is not used now. Signed-off-by: Yu Kuai Reviewed-by: Nilay Shroff --- block/blk-mq-tag.c | 32 -------------------------------- block/blk-mq.h | 2 -- 2 files changed, 34 deletions(-) diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index 936b68273cad..a63d21a4aab4 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -609,38 +609,6 @@ void blk_mq_free_tags(struct blk_mq_tag_set *set, stru= ct blk_mq_tags *tags) call_srcu(&set->tags_srcu, &tags->rcu_head, blk_mq_free_tags_callback); } =20 -int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx, - struct blk_mq_tags **tagsptr, unsigned int tdepth) -{ - struct blk_mq_tags *tags =3D *tagsptr; - - /* - * If we are allowed to grow beyond the original size, allocate - * a new set of tags before freeing the old one. - */ - if (tdepth > tags->nr_tags) { - struct blk_mq_tag_set *set =3D hctx->queue->tag_set; - struct blk_mq_tags *new; - - new =3D blk_mq_alloc_map_and_rqs(set, hctx->queue_num, tdepth); - if (!new) - return -ENOMEM; - - blk_mq_free_map_and_rqs(set, *tagsptr, hctx->queue_num); - hctx->queue->elevator->et->tags[hctx->queue_num] =3D new; - *tagsptr =3D new; - } else { - /* - * Don't need (or can't) update reserved tags here, they - * remain static and should never need resizing. - */ - sbitmap_queue_resize(&tags->bitmap_tags, - tdepth - tags->nr_reserved_tags); - } - - return 0; -} - void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set, unsigned in= t size) { struct blk_mq_tags *tags =3D set->shared_tags; diff --git a/block/blk-mq.h b/block/blk-mq.h index 0ef96f510477..af42dc018808 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -184,8 +184,6 @@ unsigned long blk_mq_get_tags(struct blk_mq_alloc_data = *data, int nr_tags, void blk_mq_put_tag(struct blk_mq_tags *tags, struct blk_mq_ctx *ctx, unsigned int tag); void blk_mq_put_tags(struct blk_mq_tags *tags, int *tag_array, int nr_tags= ); -int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx, - struct blk_mq_tags **tags, unsigned int depth); void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set, unsigned int size); void blk_mq_tag_update_sched_shared_tags(struct request_queue *q); --=20 2.39.2