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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 733EDECDFD0 for ; Fri, 14 Sep 2018 14:51:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 38FB12083A for ; Fri, 14 Sep 2018 14:51:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 38FB12083A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=hpe.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728373AbeINUGL (ORCPT ); Fri, 14 Sep 2018 16:06:11 -0400 Received: from g9t5008.houston.hpe.com ([15.241.48.72]:50334 "EHLO g9t5008.houston.hpe.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726900AbeINUGK (ORCPT ); Fri, 14 Sep 2018 16:06:10 -0400 Received: from g4t3433.houston.hpecorp.net (g4t3433.houston.hpecorp.net [16.208.49.245]) by g9t5008.houston.hpe.com (Postfix) with ESMTP id 0A0A356; Fri, 14 Sep 2018 14:51:18 +0000 (UTC) Received: from misato.americas.hpqcorp.net (unknown [10.34.81.122]) by g4t3433.houston.hpecorp.net (Postfix) with ESMTP id 6E93545; Fri, 14 Sep 2018 14:51:17 +0000 (UTC) From: Toshi Kani To: jack@suse.cz, dan.j.williams@intel.com Cc: tytso@mit.edu, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org, Toshi Kani , stable@vger.kernel.org Subject: [PATCH v2 1/3] ext4, dax: add ext4_bmap to ext4_dax_aops Date: Fri, 14 Sep 2018 08:51:12 -0600 Message-Id: <20180914145114.11122-2-toshi.kani@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180914145114.11122-1-toshi.kani@hpe.com> References: <20180914145114.11122-1-toshi.kani@hpe.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ext4 mount path calls .bmap to the journal inode. This currently works for the DAX mount case because ext4_iget() always set 'ext4_da_aops' to any regular files. In preparation to fix ext4_iget() to set 'ext4_dax_aops' for ext4 DAX files, add ext4_bmap() to 'ext4_dax_aops'. .bmap works for DAX inodes. [1] [1]: https://lkml.org/lkml/2018/9/12/803 Fixes: 5f0663bb4a64 ("ext4, dax: introduce ext4_dax_aops") Signed-off-by: Toshi Kani Suggested-by: Jan Kara Cc: Jan Kara Cc: Dan Williams Cc: "Theodore Ts'o" Cc: Andreas Dilger Cc: --- fs/ext4/inode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index d0dd585add6a..e4acaa980467 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3948,6 +3948,7 @@ static const struct address_space_operations ext4_dax_aops = { .writepages = ext4_dax_writepages, .direct_IO = noop_direct_IO, .set_page_dirty = noop_set_page_dirty, + .bmap = ext4_bmap, .invalidatepage = noop_invalidatepage, };