From patchwork Fri Jan 29 06:27:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ruan Shiyang X-Patchwork-Id: 12055233 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 0326BC433DB for ; Fri, 29 Jan 2021 06:29:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BCD8964DFF for ; Fri, 29 Jan 2021 06:29:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232094AbhA2G2y (ORCPT ); Fri, 29 Jan 2021 01:28:54 -0500 Received: from mail.cn.fujitsu.com ([183.91.158.132]:32276 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S232021AbhA2G2y (ORCPT ); Fri, 29 Jan 2021 01:28:54 -0500 X-IronPort-AV: E=Sophos;i="5.79,384,1602518400"; d="scan'208";a="103973618" 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 8F7BC4CE6788; Fri, 29 Jan 2021 14:28:04 +0800 (CST) Received: from G08CNEXJMPEKD02.g08.fujitsu.local (10.167.33.202) by G08CNEXMBPEKD05.g08.fujitsu.local (10.167.33.204) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 29 Jan 2021 14:28:04 +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; Fri, 29 Jan 2021 14:28:04 +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 14:28:04 +0800 From: Shiyang Ruan To: , , , , , CC: , , , , , , , , Subject: [PATCH RESEND v2 02/10] blk: Introduce ->corrupted_range() for block device Date: Fri, 29 Jan 2021 14:27:49 +0800 Message-ID: <20210129062757.1594130-3-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 X-yoursite-MailScanner-ID: 8F7BC4CE6788.AF5FC 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 In fsdax mode, the memory failure happens on block device. So, it is needed to introduce an interface for block devices. Each kind of block device can handle the memory failure in ther own ways. Signed-off-by: Shiyang Ruan --- include/linux/blkdev.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f94ee3089e01..e0f5585aa06f 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1867,6 +1867,8 @@ struct block_device_operations { int (*report_zones)(struct gendisk *, sector_t sector, unsigned int nr_zones, report_zones_cb cb, void *data); char *(*devnode)(struct gendisk *disk, umode_t *mode); + int (*corrupted_range)(struct gendisk *disk, struct block_device *bdev, + loff_t offset, size_t len, void *data); struct module *owner; const struct pr_ops *pr_ops; };