Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp4985899pxb; Mon, 15 Feb 2021 06:41:54 -0800 (PST) X-Google-Smtp-Source: ABdhPJzNnYHNe4vpxlj8t/hH8ewhixauNZYO0e0PwJc8fvVBrk0HFkizL3V7x8cAwHlz9py4GBJJ X-Received: by 2002:a17:907:728b:: with SMTP id dt11mr15686149ejc.321.1613400114127; Mon, 15 Feb 2021 06:41:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1613400114; cv=none; d=google.com; s=arc-20160816; b=i5SpX79lciIprz8w6bgAAlZ1hQAD1Fl76OF5Vf3vHp+jk/CrGahbUPlb5iW5/Aoe5u NzTnUwPlSr3qtOdW3hKNTyVwFGFHT6QuFTreXk1agvU0WP+QQORB4EZjFNHrJoLdioaR o4v0qMHqNh47SgKWAhnYPwDwp3W5V8kqxwYEie6HFeT1VZSY8Upw4cSnYcylAYUCKrN5 zFFB5Ld04+XpCjoVKGYdYNI0xMhYnU+70gCpfyNIRTOu4UclPceNVcHnq3uaDgbjlRqf h0IUZ135xa5JV9gf8/G68PY3OcgBOa1iZN/BRlvKhg5XxShXmgJxOrkZTBio9r/8HFrC MoHw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=guh5FPXWLTypEu4OxicgWOQFCv0R6ZwTHcqcErMUePU=; b=UieUhwVUGTsgLu01bRqmtwgF6c1hkMeEyoqke4tnj6VjXnGJssuXOJyvbB1yG3tVSW hiiZ0NXeQIesKujABigyDlwmfmFqc7Pr5b1wf+CLsr+68W0ZJGJ24L2Sm22oiFzhz5AH FnIvGh6gqJM38ZvMrbQPkQtWcMlWP5STy8hcC8M0WOQ1XklvZY+Z3QsoAVbSvEPvNYsc U2mn38GA7/Z6tTv0/woQk4+bO0yc/W808Bznx7qmwWGDD0ogGJYlIKoLsd8zvOsLlivR D8AtnUv9ov53mgdWJVnwJN3GhbAWgy40DMAUSNmnR/gcJcVpOo0g3mbke9CkIbK3jvgH 95rA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q18si12806463ejb.640.2021.02.15.06.41.30; Mon, 15 Feb 2021 06:41:54 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230267AbhBOOiB (ORCPT + 99 others); Mon, 15 Feb 2021 09:38:01 -0500 Received: from mx2.suse.de ([195.135.220.15]:47138 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230210AbhBOOgX (ORCPT ); Mon, 15 Feb 2021 09:36:23 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 8324FAC32; Mon, 15 Feb 2021 14:35:41 +0000 (UTC) Date: Mon, 15 Feb 2021 14:35:35 +0000 From: Michal Rostecki To: Greg KH Cc: Chris Mason , Josef Bacik , David Sterba , "open list:BTRFS FILE SYSTEM" , open list , Michal Rostecki Subject: Re: [PATCH RFC 5/6] btrfs: sysfs: Add directory for read policies Message-ID: <20210215143535.GA21872@wotan.suse.de> References: <20210209203041.21493-1-mrostecki@suse.de> <20210209203041.21493-6-mrostecki@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Feb 13, 2021 at 11:19:28AM +0100, Greg KH wrote: > On Tue, Feb 09, 2021 at 09:30:39PM +0100, Michal Rostecki wrote: > > From: Michal Rostecki > > > > Before this change, raid1 read policy could be selected by using the > > /sys/fs/btrfs/[fsid]/read_policy file. > > > > Change it to /sys/fs/btrfs/[fsid]/read_policies/policy. > > > > The motivation behing creating the read_policies directory is that the > > next changes and new read policies are going to intruduce settings > > specific to read policies. > > No Documentation/ABI/ update for this change? > Good point. As far as I see, we have no btrfs-related file there. I will add it to Documentation/ABI/testing in v2. I guess we also need to document all the options from btrfs that are unaffected by this particular patchset? Would it make sense to cover them in a separate patch?