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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 0749DC47097 for ; Fri, 4 Jun 2021 01:19:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EAECC6120F for ; Fri, 4 Jun 2021 01:19:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229991AbhFDBUt (ORCPT ); Thu, 3 Jun 2021 21:20:49 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:45492 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229882AbhFDBUm (ORCPT ); Thu, 3 Jun 2021 21:20:42 -0400 IronPort-HdrOrdr: =?us-ascii?q?A9a23=3A97nSk66uC1F30wIpuQPXwCzXdLJyesId70hD?= =?us-ascii?q?6qhwISY6TiX+rbHJoB17726MtN9/YhEdcLy7VJVoBEmskKKdgrNhWotKPjOW21?= =?us-ascii?q?dARbsKheCJrgEIWReOktK1vp0AT0ERMrLN5CBB/KTHCReDYqsd6ejC4Ka1nv3f?= =?us-ascii?q?0nsoaQlrbptr5wB/Bh3zKDwMeCB2QYo+CIGH5tdK4x6peXEsZMy9AXUfG8fZod?= =?us-ascii?q?mjruOdXTc2Qw4g9BKVjS6lrJrzEx2j1B8YVD9VhZcOmFK16zDE2g=3D=3D?= X-IronPort-AV: E=Sophos;i="5.83,246,1616428800"; d="scan'208";a="109209788" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 04 Jun 2021 09:18:54 +0800 Received: from G08CNEXMBPEKD06.g08.fujitsu.local (unknown [10.167.33.206]) by cn.fujitsu.com (Postfix) with ESMTP id B3A5D4C36A05; Fri, 4 Jun 2021 09:18:52 +0800 (CST) Received: from G08CNEXCHPEKD07.g08.fujitsu.local (10.167.33.80) by G08CNEXMBPEKD06.g08.fujitsu.local (10.167.33.206) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 4 Jun 2021 09:18:54 +0800 Received: from irides.mr.mr.mr (10.167.225.141) by G08CNEXCHPEKD07.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 4 Jun 2021 09:18:52 +0800 From: Shiyang Ruan To: , , , , , CC: , , , , , , Subject: [PATCH v4 03/10] fs: Introduce ->corrupted_range() for superblock Date: Fri, 4 Jun 2021 09:18:37 +0800 Message-ID: <20210604011844.1756145-4-ruansy.fnst@fujitsu.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210604011844.1756145-1-ruansy.fnst@fujitsu.com> References: <20210604011844.1756145-1-ruansy.fnst@fujitsu.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-yoursite-MailScanner-ID: B3A5D4C36A05.A0A85 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@fujitsu.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Memory failure occurs in fsdax mode will finally be handled in filesystem. We introduce this interface to find out files or metadata affected by the corrupted range, and try to recover the corrupted data if possiable. Signed-off-by: Shiyang Ruan --- include/linux/fs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index c3c88fdb9b2a..92af36c4225f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2176,6 +2176,8 @@ struct super_operations { struct shrink_control *); long (*free_cached_objects)(struct super_block *, struct shrink_control *); + int (*corrupted_range)(struct super_block *sb, struct block_device *bdev, + loff_t offset, size_t len, void *data); }; /* -- 2.31.1 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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 1C0E1C47083 for ; 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Fri, 4 Jun 2021 09:18:54 +0800 Received: from irides.mr.mr.mr (10.167.225.141) by G08CNEXCHPEKD07.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 4 Jun 2021 09:18:52 +0800 From: Shiyang Ruan To: , , , , , Date: Fri, 4 Jun 2021 09:18:37 +0800 Message-ID: <20210604011844.1756145-4-ruansy.fnst@fujitsu.com> In-Reply-To: <20210604011844.1756145-1-ruansy.fnst@fujitsu.com> References: <20210604011844.1756145-1-ruansy.fnst@fujitsu.com> MIME-Version: 1.0 X-yoursite-MailScanner-ID: B3A5D4C36A05.A0A85 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@fujitsu.com X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-loop: dm-devel@redhat.com X-Mailman-Approved-At: Fri, 04 Jun 2021 02:21:36 -0400 Cc: snitzer@redhat.com, darrick.wong@oracle.com, rgoldwyn@suse.de, david@fromorbit.com, dan.j.williams@intel.com, hch@lst.de, agk@redhat.com Subject: [dm-devel] [PATCH v4 03/10] fs: Introduce ->corrupted_range() for superblock X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Memory failure occurs in fsdax mode will finally be handled in filesystem. We introduce this interface to find out files or metadata affected by the corrupted range, and try to recover the corrupted data if possiable. Signed-off-by: Shiyang Ruan --- include/linux/fs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index c3c88fdb9b2a..92af36c4225f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2176,6 +2176,8 @@ struct super_operations { struct shrink_control *); long (*free_cached_objects)(struct super_block *, struct shrink_control *); + int (*corrupted_range)(struct super_block *sb, struct block_device *bdev, + loff_t offset, size_t len, void *data); }; /* -- 2.31.1 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel