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=unavailable 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 1C9E9C433E9 for ; Tue, 12 Jan 2021 16:01:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D41AD21919 for ; Tue, 12 Jan 2021 16:01:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404100AbhALQBE (ORCPT ); Tue, 12 Jan 2021 11:01:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392545AbhALQBD (ORCPT ); Tue, 12 Jan 2021 11:01:03 -0500 Received: from mail-qv1-xf32.google.com (mail-qv1-xf32.google.com [IPv6:2607:f8b0:4864:20::f32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C38F5C061794 for ; Tue, 12 Jan 2021 08:00:22 -0800 (PST) Received: by mail-qv1-xf32.google.com with SMTP id l14so1101705qvh.2 for ; Tue, 12 Jan 2021 08:00:22 -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=hm+XQ7cN6+nZBQUgTtPLF8CqJXZZATNvEP8naU0e0lM=; b=MfrHxoNX2f+Eq5xBiqzUMeFd83lZN+sBOVRSGgaaXU4ZabvFVSKP82/1S4Mf1/UnUN +/n72KFCQJWyltfNiBChOvnIjPfYaF6rOS1zdtxtAN7+dfHoBgGNwIE/sPP5mtZAB8z6 28ONCslJZC2e5/d+PjkaXxu994VAQAJCteaDM0xucGhCXa5EkfivkbDu5ocqTcB1QsV2 sKEsy/N0AkQXXJ098VXjRNxwJJ+882EhT9kdM2F52UzGCwQLhWwOG7FI0zhku9obIiqn am+SlyO8gv9jNkCv5sLk4zCn+PcYgTSbs557z3Y70woTezY0uX2RhJ+2gKSC5zWBtEGj 8CSQ== 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=hm+XQ7cN6+nZBQUgTtPLF8CqJXZZATNvEP8naU0e0lM=; b=kvHc4Yb7tYyZ4v7d2NMvaaOuJDD9udBhtsIImEou/xElRKQnpTEgsAV5CFn2T5r8eU dYaSnhAqXzEHGZ73s7kN1LQU4x3YUTMWicPJuW0UbPbeA3qvTPXoy0SI3+G46OH+UAgv yua98sLhkJLuVMT9Bvf3mjYrrZTM1ZEeRhm/vmRWrKBTrFRSJLAxuNda2OvZTD0eLjn3 TWizC9sbi6BAQwC71Y8+6EhbXn0jGljIcNDdGrovhh0Ywj8Hl292zF1I8sQngT4U8UfX pYN6Ol5pUX0HP4jtxOB5RVEjIrlESRArZxvrSk/xCKRXSThbZzSdBVn26X8fOgfWWfhX GmiQ== X-Gm-Message-State: AOAM532mBLqGjgnqP9h9JWZAw1pmInWDMK5zdvo+DgXzxqbHQXxVvLFc 1FdHbtyjSKCDB1DEcYNbFCxPjw== X-Google-Smtp-Source: ABdhPJwt8IffmZTXuWI69+4qRHELG5sypJHXeb9ddMqTFSRHTfa0wQDA8IeDqQ6ZweXJHYXkCH/kXQ== X-Received: by 2002:a0c:fd89:: with SMTP id p9mr101238qvr.8.1610467221998; Tue, 12 Jan 2021 08:00:21 -0800 (PST) Received: from [192.168.1.45] (cpe-174-109-172-136.nc.res.rr.com. [174.109.172.136]) by smtp.gmail.com with ESMTPSA id y17sm1466113qki.48.2021.01.12.08.00.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Jan 2021 08:00:19 -0800 (PST) Subject: Re: [PATCH v11 23/40] btrfs: extend btrfs_rmap_block for specifying a device To: Naohiro Aota , linux-btrfs@vger.kernel.org, dsterba@suse.com Cc: hare@suse.com, linux-fsdevel@vger.kernel.org, Jens Axboe , Christoph Hellwig , "Darrick J. Wong" References: <06add214bc16ef08214de1594ecdfcc4cdcdbd78.1608608848.git.naohiro.aota@wdc.com> <62d40762a5bbcc27377d15ac76e5f5f874acbc1a.1608608848.git.naohiro.aota@wdc.com> From: Josef Bacik Message-ID: Date: Tue, 12 Jan 2021 11:00:18 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <62d40762a5bbcc27377d15ac76e5f5f874acbc1a.1608608848.git.naohiro.aota@wdc.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-fsdevel@vger.kernel.org On 12/21/20 10:49 PM, Naohiro Aota wrote: > btrfs_rmap_block currently reverse-maps the physical addresses on all > devices to the corresponding logical addresses. > > This commit extends the function to match to a specified device. The old > functionality of querying all devices is left intact by specifying NULL as > target device. > > We pass block_device instead of btrfs_device to __btrfs_rmap_block. This > function is intended to reverse-map the result of bio, which only have > block_device. > > This commit also exports the function for later use. > > Signed-off-by: Naohiro Aota Reviewed-by: Josef Bacik Thanks, Josef