From nobody Fri Oct 3 03:21:29 2025 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (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 6ABE71D5CD1; Mon, 8 Sep 2025 06:40:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757313659; cv=none; b=PvProxub8Twxjvr+4Rn7G1OgR/F7PDAGk5KwF6b7sl8i6hg2QWAMdS2H15KYFNz7CmVg1Qp/Zzd4CKedPEU6xIdkvcnARaqYJRob0vKqnTLU+kpPsC/is1Ac/umUfiAhkrwkTVzI6gy8KerqkVnF942UrMLbTDs5YF2EILkiuEA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757313659; c=relaxed/simple; bh=DBDmrXI0Lw4LgHUZO1aFS/h89AGch/2dM76jHulMRWo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=L4BFgU1BUDsB0InPROqzQm65JNxAzMRUqHDcjgH7ZOtSUw1qD44wj2+rnh3h8ntW/MpGnLZewHYSCnyJwqz+l2+bqWBU1t49R60gb8yjEuzRwWhl2nybS9/rhVsHgCWgvPIJFdoB3UkxfRFnslt+DEGKbQDgQIrc3vWE/jXfCLI= 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=45.249.212.56 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 [172.19.163.235]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTPS id 4cKxkx51FPzKHN3F; Mon, 8 Sep 2025 14:24:57 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id C423D1A1005; Mon, 8 Sep 2025 14:24:57 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgD3QY6xdr5oCGEjBw--.62066S13; Mon, 08 Sep 2025 14:24:57 +0800 (CST) From: Yu Kuai To: nilay@linux.ibm.com, ming.lei@redhat.com, axboe@kernel.dk Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com Subject: [PATCH for-6.18/block 09/10] blk-mq: remove blk_mq_tag_update_depth() Date: Mon, 8 Sep 2025 14:15:32 +0800 Message-Id: <20250908061533.3062917-10-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250908061533.3062917-1-yukuai1@huaweicloud.com> References: <20250908061533.3062917-1-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: gCh0CgD3QY6xdr5oCGEjBw--.62066S13 X-Coremail-Antispam: 1UD129KBjvJXoW7Ar4xtF15Zr1xWr1rtryxKrg_yoW8trW5pF W3Ja1DK3yYqr1q9FWDtay7Aw1Fgw4vgr18Ka9aq34Fqr1jkr4xXF1kXr1kA3y0yrWkCr43 ArWqgryrJF1DJrDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUma14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2 kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkE bVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67 AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8JwCI 42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCw CI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4UJVWxJrUvcSsG vfC2KfnxnUUI43ZEXa7VUbPC7UUUUUU== 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 aed84c5d5c2b..cbb93a653cef 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -583,38 +583,6 @@ void blk_mq_free_tags(struct blk_mq_tags *tags) kfree(tags); } =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 6c9d03625ba1..af09eb617d11 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