From patchwork Wed Dec 8 00:56:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 12663099 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 9EDC8C4332F for ; Wed, 8 Dec 2021 00:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239090AbhLHBBF (ORCPT ); Tue, 7 Dec 2021 20:01:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238974AbhLHBBD (ORCPT ); Tue, 7 Dec 2021 20:01:03 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DAB0C061748; Tue, 7 Dec 2021 16:57:32 -0800 (PST) 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 BA27CB81F26; Wed, 8 Dec 2021 00:57:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3FB12C341CE; Wed, 8 Dec 2021 00:57:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638925049; bh=qsC4hUoks9qZEzFdXzOQJQtkxZyTe1zi+Uf/zpPh68A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PNmzTXp0JbeTsVYbdF1Wb/iitqdhuk2phev3PLTHe3nOMu/wC5BxWkKTklcl89CsJ NPkiqNXnsCwFdBot4a7kUPrYuL+qB9AHYR+Aas9wdV+irgsbhMiNtpCDz3shiYYl62 VESXCJjKhBKEzml3x81ePV2t7+/EiMNQq3z/xn14lZkv9KvMO8ePN/I5z/h5nn4+px CIZkCjbqmZVBItLOUZhtJIgYOgCDes3NC1HPGBNQykT0g9Oft7VnH8iPpB1s6EfudZ 5OIy+S4yPvRXvHNzxYggrhgDRGnS8MIINBfvGn1DgZgD+4HdD20GbQ6yzsx/WQy6Po I0OHPxb6KiVgg== 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, Hannes Reinecke Subject: [PATCH v2 6/8] docs: sysfs-block: document virt_boundary_mask Date: Tue, 7 Dec 2021 16:56:38 -0800 Message-Id: <20211208005640.102814-7-ebiggers@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211208005640.102814-1-ebiggers@kernel.org> References: <20211208005640.102814-1-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. Reviewed-by: Greg Kroah-Hartman Reviewed-by: Hannes Reinecke Signed-off-by: Eric Biggers --- Documentation/ABI/stable/sysfs-block | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index 30ce8dc587bb2..e988742a54a4c 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -537,6 +537,17 @@ 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