From patchwork Wed Dec 1 08:45:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 12649581 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3BC78C43217 for ; Wed, 1 Dec 2021 08:47:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242136AbhLAIu2 (ORCPT ); Wed, 1 Dec 2021 03:50:28 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:44294 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242097AbhLAIu1 (ORCPT ); Wed, 1 Dec 2021 03:50:27 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 60AAEB81E04; Wed, 1 Dec 2021 08:47:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5C81C53FD3; Wed, 1 Dec 2021 08:47:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638348425; bh=6gRlmsFqDYVMrg69bxKpYHZwAZBjft8zQxWeV99h/c0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JltDRArANJdRR0hN8dIfhOEc82zorsREi2Vk7mo3stKDDAH9bP/W5YYT8zUoGHThK oY/ENcz8T+4UZDG9s1yCq/HqFshaDGqOZ9TgHN0bMP3ED05NGYhq653wM4vZR/488S NNFUdzByiU9yAyMrA3wQ3L6QCWcNdRRzlyM4h5iKIhKJmtPBvlqMkONkWaGNv+dNvF kbBQ66GmoP3/MpTebCOPHJdMskFN+PNJsh70m+u/4xTb/SbBSdrnxNzx75JznXJ8cA r0WMSMX4ClwzZjMuZ7ea7G1PIuAKSbhb3HbbZXe1NuU0IvTpv+Hky94REQEVixE0qu DJapUU9J/yuNA== From: Eric Biggers To: linux-block@vger.kernel.org, Jens Axboe Cc: linux-doc@vger.kernel.org, Greg Kroah-Hartman , linux-kernel@vger.kernel.org Subject: [PATCH 5/7] docs: sysfs-block: document virt_boundary_mask Date: Wed, 1 Dec 2021 00:45:22 -0800 Message-Id: <20211201084524.25660-6-ebiggers@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211201084524.25660-1-ebiggers@kernel.org> References: <20211201084524.25660-1-ebiggers@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Eric Biggers /sys/block//queue/virt_boundary_mask is completely undocumented. Document it. Signed-off-by: Eric Biggers --- Documentation/ABI/testing/sysfs-block | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block index 5d8b187e1ec54..8cc795476244c 100644 --- a/Documentation/ABI/testing/sysfs-block +++ b/Documentation/ABI/testing/sysfs-block @@ -536,6 +536,17 @@ Description: CONFIG_BLK_DEV_THROTTLING_LOW is enabled. +What: /sys/block//queue/virt_boundary_mask +Date: April 2021 +Contact: linux-block@vger.kernel.org +Description: + [RO] This file shows the I/O segment alignment mask for the + block device. I/O requests to this device will be split between + segments wherever either the end of the previous segment or the + beginning of the current segment is not aligned to + virt_boundary_mask + 1 bytes. + + What: /sys/block//queue/wbt_lat_usec Date: November 2016 Contact: linux-block@vger.kernel.org