From mboxrd@z Thu Jan 1 00:00:00 1970 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 0E1B3C4321E for ; Thu, 1 Dec 2022 00:10:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230393AbiLAAKn (ORCPT ); Wed, 30 Nov 2022 19:10:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230459AbiLAAIm (ORCPT ); Wed, 30 Nov 2022 19:08:42 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2571766CB7 for ; Wed, 30 Nov 2022 16:03:01 -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 dfw.source.kernel.org (Postfix) with ESMTPS id C351F61E69 for ; Thu, 1 Dec 2022 00:03:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ECA71C433B5; Thu, 1 Dec 2022 00:03:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1669852981; bh=N1Sv35o9+L47Lv++a9BRMIGxpfARsrPYN6v7aL34wHw=; h=Date:To:From:Subject:From; b=E1MXGwZsT1niAeLS49ygSBplbmrg1hoxy2VmBgU6nr4oFMYID345BbLMqMUozVBnY z3rVxFA6w0TqdIhUiUbGFwLnyUg2xfPRLmdmygdfjDwJrxTk+HanY25xCZTwhKtqhr 4DLFL2QIIEGMMtYDDpkz1aGNVsBbkFm/eyJLz46Q= Date: Wed, 30 Nov 2022 16:03:00 -0800 To: mm-commits@vger.kernel.org, clm@meta.com, axboe@kernel.dk, shr@devkernel.io, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-document-sys-class-bdi-bdi-min_bytes-knob.patch removed from -mm tree Message-Id: <20221201000300.ECA71C433B5@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: mm: document /sys/class/bdi//min_bytes knob has been removed from the -mm tree. Its filename was mm-document-sys-class-bdi-bdi-min_bytes-knob.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Stefan Roesch Subject: mm: document /sys/class/bdi//min_bytes knob Date: Fri, 18 Nov 2022 16:52:09 -0800 This documents the new /sys/class/bdi//min_bytes knob. [akpm@linux-foundation.org: fix htmldocs warnings] Link: https://lkml.kernel.org/r/20221119005215.3052436-15-shr@devkernel.io Signed-off-by: Stefan Roesch Cc: Chris Mason Cc: Jens Axboe Signed-off-by: Andrew Morton --- Documentation/ABI/testing/sysfs-class-bdi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) --- a/Documentation/ABI/testing/sysfs-class-bdi~mm-document-sys-class-bdi-bdi-min_bytes-knob +++ a/Documentation/ABI/testing/sysfs-class-bdi @@ -57,6 +57,21 @@ Description: (read-write) +What: /sys/class/bdi//min_bytes +Date: October 2022 +Contact: Stefan Roesch +Description: + Under normal circumstances each device is given a part of the + total write-back cache that relates to its current average + writeout speed in relation to the other devices. + + The 'min_bytes' parameter allows assigning a minimum + percentage of the write-back cache to a particular device + expressed in bytes. + For example, this is useful for providing a minimum QoS. + + (read-write) + What: /sys/class/bdi//max_bytes Date: October 2022 Contact: Stefan Roesch _ Patches currently in -mm which might be from shr@devkernel.io are