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=-15.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 97E36C433E6 for ; Tue, 26 Jan 2021 00:51:11 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3BC1E22A84 for ; Tue, 26 Jan 2021 00:51:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BC1E22A84 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=cloud.ionos.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id B4066100EBBD7; Mon, 25 Jan 2021 16:51:10 -0800 (PST) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2607:f8b0:4864:20::1036; helo=mail-pj1-x1036.google.com; envelope-from=guoqing.jiang@cloud.ionos.com; receiver= Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id A0B2C100EC1C6 for ; Mon, 25 Jan 2021 16:51:08 -0800 (PST) Received: by mail-pj1-x1036.google.com with SMTP id p15so673121pjv.3 for ; Mon, 25 Jan 2021 16:51:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloud.ionos.com; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=uPJlUchjV+OaTIftOWbXEjVwG0d/bApny8LKz3OH9do=; b=Fn4EVg48BXJQ0XVCGo4P1/CcZQYyaUjR593N0Mrt0Pa+QokgKItCP+8Jqv/2LG0i6e ZOE+o7Kp6TSk5kE5z/p+B9iYW/TEKeeUZ38hHU2REBudTZapniqQIgruui5UYR2CX3jM XMAbvuY6JHqMBPOAxvGF/pd+dD2JXyjuQuYgOdpBoKEe5OkwN21A1Oz9evbFfBDmAQvY 7WFdRbpEZ2liR9Ig+qsbIiWSj+GDDvognZEVlwuSJJV6ndniZaVtaxhiGOys5MNoWytQ gQ7Z3yycyJCcMckSCcJGV82qUswKaz/f7sRYaD0P22YuS9ZNrnmyYgBqU8O8EcKu5dJk dg7g== 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=uPJlUchjV+OaTIftOWbXEjVwG0d/bApny8LKz3OH9do=; b=aM+Lsvm42bjIAEBJU+0iLD7nPy7CpYP1+2uvjGSGOylPATETUV6YKM/Zb3LSj2mlAU rzbC/gtummiA3+2i+Z2vUZK7zodtoSWHR+QYKyL+32rE/AybmnUbuYha7OZGcmiQ1M4h GeZonQnINLaIqmeY3UAbj9spRogDbrhZDqPYZw276RJlUOCixQpn6LwqsQfahcnctLhi lHUSgbVbAaRbgmGzhkfNt3YBAAWbXomQdIJqRkAVAxAU5T0rihwoHTymX0864YQhDgrp i7VdTPiPzTp/aLRdARqQ8f5qnWwKt1F/ZnZkBBy1t0zmwUGmlz4EXWl+s83BMu9qgvVH rZTA== X-Gm-Message-State: AOAM533EOf8GCd9DqqeQ2YflAhK77HFDRmqONkpQm4+zXgWctWXf7FU3 jUvwSr1XG9py1KIXGg145obw4w== X-Google-Smtp-Source: ABdhPJzzs4C/lNGU5gJfjXLgueQ6h//2HOCs2JEgJn8fHs+SjPK/bp53wfdpI/yc0gqOKDwXYe/jwg== X-Received: by 2002:a17:902:c284:b029:df:c0d8:6b7 with SMTP id i4-20020a170902c284b02900dfc0d806b7mr3120918pld.34.1611622266246; Mon, 25 Jan 2021 16:51:06 -0800 (PST) Received: from [10.8.1.5] ([185.125.207.232]) by smtp.gmail.com with ESMTPSA id r7sm3940119pfc.26.2021.01.25.16.50.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 Jan 2021 16:51:05 -0800 (PST) Subject: Re: [PATCH v2 08/10] md: Implement ->corrupted_range() To: Shiyang Ruan , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org References: <20210125225526.1048877-1-ruansy.fnst@cn.fujitsu.com> <20210125225526.1048877-9-ruansy.fnst@cn.fujitsu.com> From: Guoqing Jiang Message-ID: <6100b7ca-7968-e1ea-84b8-074dc216a453@cloud.ionos.com> Date: Tue, 26 Jan 2021 01:50:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210125225526.1048877-9-ruansy.fnst@cn.fujitsu.com> Content-Language: en-US Message-ID-Hash: 55F7WV6J5PVTRYUCLIGNI7RS5HIECP32 X-Message-ID-Hash: 55F7WV6J5PVTRYUCLIGNI7RS5HIECP32 X-MailFrom: guoqing.jiang@cloud.ionos.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: linux-fsdevel@vger.kernel.org, linux-raid@vger.kernel.org, darrick.wong@oracle.com, david@fromorbit.com, hch@lst.de, song@kernel.org, rgoldwyn@suse.de, qi.fuli@fujitsu.com, y-goto@fujitsu.com X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii"; format="flowed" Content-Transfer-Encoding: 7bit On 1/25/21 23:55, Shiyang Ruan wrote: > With the support of ->rmap(), it is possible to obtain the superblock on > a mapped device. > > If a pmem device is used as one target of mapped device, we cannot > obtain its superblock directly. With the help of SYSFS, the mapped > device can be found on the target devices. So, we iterate the > bdev->bd_holder_disks to obtain its mapped device. > > Signed-off-by: Shiyang Ruan > --- > drivers/md/dm.c | 61 +++++++++++++++++++++++++++++++++++++++++++ > drivers/nvdimm/pmem.c | 11 +++----- > fs/block_dev.c | 42 ++++++++++++++++++++++++++++- > include/linux/genhd.h | 2 ++ > 4 files changed, 107 insertions(+), 9 deletions(-) I can't see md raid is involved here, perhaps dm-devel need to be cced instead of raid list. And the subject need to be changed as well. Thanks, Guoqing _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org