From nobody Sat Oct 4 19:16:45 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 D7CBF270EBB; Thu, 14 Aug 2025 03:43:17 +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=1755142999; cv=none; b=lXyGEQSwsDUuyLTdn+VIOgHN+vWJZgdgD6b17aSgWGSutNAa3yxLtgVNA6ApuhAVOG5dYJ095PyMPR2FvGwJIwJyRTvS9gi3v2EPLWV7mgR14IvEBjQjyKE0lmgH4/vjfHvkcydvWK3U2yd1KN14zB1mdK8YxOWPyXKFyPhGwio= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755142999; c=relaxed/simple; bh=EknLAK2gLRyPv6Yw7SLp+eYJNTIbHKFqWvdA/PDvUlU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=k85lfF7u75m9nTjvrI5rLCSw/fv/Ai1lCoe5Rw+taf3kEJwmjNgqWcBaAleQO3gjMtUh4BfUljxVeKX2JJyv9bfI1J4LiCpaL6yZKChWv6S8B3k3pS/jSMfQS08MREE06gQJY26zIRbVpjg29i20RQ0skoaY/TjWmb4J1Yq946Q= 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 4c2WKw5rF7zKHMST; Thu, 14 Aug 2025 11:43:16 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 1BCCE1A0BDE; Thu, 14 Aug 2025 11:43:16 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgCnIxRKW51ogs93Dg--.15627S20; Thu, 14 Aug 2025 11:43:15 +0800 (CST) From: Yu Kuai To: axboe@kernel.dk, yukuai3@huawei.com, bvanassche@acm.org, nilay@linux.ibm.com, hare@suse.de, ming.lei@redhat.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com Subject: [PATCH 16/16] blk-mq: add documentation for new queue attribute async_dpeth Date: Thu, 14 Aug 2025 11:35:22 +0800 Message-Id: <20250814033522.770575-17-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250814033522.770575-1-yukuai1@huaweicloud.com> References: <20250814033522.770575-1-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: gCh0CgCnIxRKW51ogs93Dg--.15627S20 X-Coremail-Antispam: 1UD129KBjvdXoWruF1rAFWrCryktr4fuw47CFg_yoWDXFbEgF WDKFnYg3ykAF1YvFWjyF4kAF12g3y5KFy8G3WkAry5Zry3taySka95XrZ8CFZrXFs29rn3 uws5XrWUKrnaqjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbvAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAVCq3wA2048vs2 IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28E F7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr 1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2 IY04v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY 6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17 CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r4j6ryUMIIF 0xvE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCw CI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4UJVWxJrUvcSsG vfC2KfnxnUUI43ZEXa7VUbPC7UUUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ Content-Type: text/plain; charset="utf-8" From: Yu Kuai Signed-off-by: Yu Kuai --- Documentation/ABI/stable/sysfs-block | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stabl= e/sysfs-block index 0ed10aeff86b..09b9b3db9a1f 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -609,6 +609,16 @@ Description: enabled, and whether tags are shared. =20 =20 +What: /sys/block//queue/async_depth +Date: August 2025 +Contact: linux-block@vger.kernel.org +Description: + [RW] This controls how many async requests may be allocated in the + block layer. If elevator is none, then this value is nr_requests. + By default, this value is 75% of nr_requests for bfq and kyber, + abd nr_requests for mq-deadline. + + What: /sys/block//queue/nr_zones Date: November 2018 Contact: Damien Le Moal --=20 2.39.2