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 X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4668DC433E6 for ; Tue, 19 Jan 2021 20:03:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E3A642310C for ; Tue, 19 Jan 2021 20:03:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729701AbhASTqr (ORCPT ); Tue, 19 Jan 2021 14:46:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728908AbhASTpQ (ORCPT ); Tue, 19 Jan 2021 14:45:16 -0500 Received: from mail-qk1-x730.google.com (mail-qk1-x730.google.com [IPv6:2607:f8b0:4864:20::730]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6DA6C0613C1 for ; Tue, 19 Jan 2021 11:44:34 -0800 (PST) Received: by mail-qk1-x730.google.com with SMTP id c7so23097594qke.1 for ; Tue, 19 Jan 2021 11:44:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=vOfKAt2EOhHolKwG7ZmDLU43lxbEY1uJX5ZWABu31QQ=; b=pMUr9siaWJXwo0U62hL9ugQ26BCB/zUrFluKWBiZsuaj2ojlLHOqRTDia+HcC4IYxr MN6Z3zwqCzrCrCtzKzBZD+EEEZ6s+GQrEzK1SkXiARqK1lNfa1JSs2vJA82HUiIhZLDF +3+th2XTQTlHS+Gr9K/NjwH87VyQT353pwgLibVx04yjRMfd5W+b+G/emkZ1QH1QMCdp +VdUR0bh6PjKBYDAcrzubd7MQWNm6nDsH13UPGoZxwYcHNQDr//t9M88eoMItQaZsmRL EZvKlkNyMewVrjWqNakBNoRdDRhTOaemmNEiFctMlJI7UAlL79+JBnnmYpaICVplE1+V q8KQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=vOfKAt2EOhHolKwG7ZmDLU43lxbEY1uJX5ZWABu31QQ=; b=sZC9f6RkFLDK+4VAyfRatDxn8J4/XQsx26+pAgGqGM27K2aHttWXxtk7jHLsO/yaJv YPoYDl1TopS0FOScgP2s1u84q6O2Dd/p/JfyaiqhmFRy9SLdw9H/boSrvDG8wd+PLif7 fHpsKp3bFMHqNP0B/ALZF02Bf0E73uPivRpiLWiNxZ0kiX6h54/clrb7Qj99UPtKrYxh q6KlVodP1yXD+s5FJNtbedMOsaEddBDAR+lT5VUpZ8CMyzWhsAv4SOSjBB3YqUkVoppY Wit6b70UUN+eCED5ky1QkEXLZBGdmYz8EiSreg/lLtkOWQ7NzW1s9lnf6I8337wpgJZd RL3g== X-Gm-Message-State: AOAM530gmCDXvNnY2vjXOGgKsqvkKzLCbav2CvRSreUjWjBHg1yKFeX7 IYhVEeiTgfmm2WarRWW/mt0Jzg== X-Google-Smtp-Source: ABdhPJx91C9FQHNnNZvhcNOxh+KGKkfzF/EdY71onEWTAAXmVKrkJ79E8jSYaVV8L1jl5IAC7jZS5w== X-Received: by 2002:a37:52c1:: with SMTP id g184mr6073859qkb.364.1611085473749; Tue, 19 Jan 2021 11:44:33 -0800 (PST) Received: from ?IPv6:2620:10d:c0a8:11d1::1325? ([2620:10d:c091:480::1:a066]) by smtp.gmail.com with ESMTPSA id f125sm13574381qkd.22.2021.01.19.11.44.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 Jan 2021 11:44:33 -0800 (PST) Subject: Re: [PATCH v3 2/4] btrfs: introduce new device-state read_preferred To: Anand Jain , linux-btrfs@vger.kernel.org Cc: dsterba@suse.com References: <3f27d3da96accec05273a8ffc2a2d24554c78a1b.1610324448.git.anand.jain@oracle.com> From: Josef Bacik Message-ID: Date: Tue, 19 Jan 2021 14:44:31 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: <3f27d3da96accec05273a8ffc2a2d24554c78a1b.1610324448.git.anand.jain@oracle.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 1/11/21 4:41 AM, Anand Jain wrote: > This is a preparatory patch and introduces a new device flag > 'read_preferred', RW-able using sysfs interface. > > Signed-off-by: Anand Jain Reviewed-by: Josef Bacik Thanks, Josef