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 2CA1AC4332B for ; Mon, 8 Feb 2021 11:11:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DA1F164E50 for ; Mon, 8 Feb 2021 11:11:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232759AbhBHLKt (ORCPT ); Mon, 8 Feb 2021 06:10:49 -0500 Received: from mail.cn.fujitsu.com ([183.91.158.132]:54424 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233030AbhBHLD7 (ORCPT ); Mon, 8 Feb 2021 06:03:59 -0500 X-IronPort-AV: E=Sophos;i="5.81,161,1610380800"; d="scan'208";a="104328063" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 08 Feb 2021 18:55:40 +0800 Received: from G08CNEXMBPEKD06.g08.fujitsu.local (unknown [10.167.33.206]) by cn.fujitsu.com (Postfix) with ESMTP id 98C044CE6F81; Mon, 8 Feb 2021 18:55:36 +0800 (CST) Received: from G08CNEXJMPEKD02.g08.fujitsu.local (10.167.33.202) by G08CNEXMBPEKD06.g08.fujitsu.local (10.167.33.206) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 8 Feb 2021 18:55:37 +0800 Received: from G08CNEXCHPEKD04.g08.fujitsu.local (10.167.33.200) by G08CNEXJMPEKD02.g08.fujitsu.local (10.167.33.202) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 8 Feb 2021 18:55:38 +0800 Received: from irides.mr.mr.mr (10.167.225.141) by G08CNEXCHPEKD04.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 8 Feb 2021 18:55:38 +0800 From: Shiyang Ruan To: , , , , , CC: , , , , , , , , Subject: [PATCH v3 03/11] fs: Introduce ->corrupted_range() for superblock Date: Mon, 8 Feb 2021 18:55:22 +0800 Message-ID: <20210208105530.3072869-4-ruansy.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210208105530.3072869-1-ruansy.fnst@cn.fujitsu.com> References: <20210208105530.3072869-1-ruansy.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-yoursite-MailScanner-ID: 98C044CE6F81.ACE69 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@cn.fujitsu.com Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@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 fd47deea7c17..4cc9ff9caa87 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1963,6 +1963,8 @@ 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); }; /* -- 2.30.0