From patchwork Wed Dec 30 16:55:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ruan Shiyang X-Patchwork-Id: 11993479 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,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 8ADDCC4332B for ; Wed, 30 Dec 2020 17:00:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5AFC52247F for ; Wed, 30 Dec 2020 17:00:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726757AbgL3Q77 (ORCPT ); Wed, 30 Dec 2020 11:59:59 -0500 Received: from mail.cn.fujitsu.com ([183.91.158.132]:58640 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726391AbgL3Q77 (ORCPT ); Wed, 30 Dec 2020 11:59:59 -0500 X-IronPort-AV: E=Sophos;i="5.78,461,1599494400"; d="scan'208";a="103085831" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 31 Dec 2020 00:58:39 +0800 Received: from G08CNEXMBPEKD04.g08.fujitsu.local (unknown [10.167.33.201]) by cn.fujitsu.com (Postfix) with ESMTP id 363AD4CE601F; Thu, 31 Dec 2020 00:58:35 +0800 (CST) Received: from G08CNEXCHPEKD04.g08.fujitsu.local (10.167.33.200) by G08CNEXMBPEKD04.g08.fujitsu.local (10.167.33.201) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 31 Dec 2020 00:58:35 +0800 Received: from irides.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; Thu, 31 Dec 2020 00:58:34 +0800 From: Shiyang Ruan To: , , , CC: , , , , , , , , , Subject: [PATCH 02/10] blk: Introduce ->corrupted_range() for block device Date: Thu, 31 Dec 2020 00:55:53 +0800 Message-ID: <20201230165601.845024-3-ruansy.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201230165601.845024-1-ruansy.fnst@cn.fujitsu.com> References: <20201230165601.845024-1-ruansy.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-yoursite-MailScanner-ID: 363AD4CE601F.AB0EC X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@cn.fujitsu.com Precedence: bulk List-ID: X-Mailing-List: linux-xfs@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 033eb5f73b65..45256fe84fa7 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1858,6 +1858,8 @@ 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; };