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=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 E62F2C433E0 for ; Fri, 29 Jan 2021 06:28:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 65EE464DFD for ; Fri, 29 Jan 2021 06:28:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 65EE464DFD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=cn.fujitsu.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D6CD46B0070; Fri, 29 Jan 2021 01:28:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D17456B0073; Fri, 29 Jan 2021 01:28:20 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B9CB36B006C; Fri, 29 Jan 2021 01:28:20 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0134.hostedemail.com [216.40.44.134]) by kanga.kvack.org (Postfix) with ESMTP id 9E8C26B006C for ; Fri, 29 Jan 2021 01:28:20 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 6F3B28249980 for ; Fri, 29 Jan 2021 06:28:20 +0000 (UTC) X-FDA: 77757833160.14.wire23_3b0633a275a6 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin14.hostedemail.com (Postfix) with ESMTP id 4733E18229835 for ; Fri, 29 Jan 2021 06:28:20 +0000 (UTC) X-HE-Tag: wire23_3b0633a275a6 X-Filterd-Recvd-Size: 2847 Received: from heian.cn.fujitsu.com (mail.cn.fujitsu.com [183.91.158.132]) by imf27.hostedemail.com (Postfix) with ESMTP for ; Fri, 29 Jan 2021 06:28:18 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.79,384,1602518400"; d="scan'208";a="103973621" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 29 Jan 2021 14:28:05 +0800 Received: from G08CNEXMBPEKD05.g08.fujitsu.local (unknown [10.167.33.204]) by cn.fujitsu.com (Postfix) with ESMTP id 9722048990D2; Fri, 29 Jan 2021 14:28:05 +0800 (CST) Received: from G08CNEXCHPEKD04.g08.fujitsu.local (10.167.33.200) by G08CNEXMBPEKD05.g08.fujitsu.local (10.167.33.204) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 29 Jan 2021 14:28:05 +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; Fri, 29 Jan 2021 14:28:05 +0800 From: Shiyang Ruan To: , , , , , CC: , , , , , , , , Subject: [PATCH RESEND v2 03/10] fs: Introduce ->corrupted_range() for superblock Date: Fri, 29 Jan 2021 14:27:50 +0800 Message-ID: <20210129062757.1594130-4-ruansy.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210129062757.1594130-1-ruansy.fnst@cn.fujitsu.com> References: <20210129062757.1594130-1-ruansy.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain X-yoursite-MailScanner-ID: 9722048990D2.A9CCB X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@cn.fujitsu.com Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 *bde= v, + loff_t offset, size_t len, void *data); }; =20 /* --=20 2.30.0