From patchwork Thu Jul 15 09:30:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jingbo Xu X-Patchwork-Id: 12379649 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,UNPARSEABLE_RELAY,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 04ECAC47E48 for ; Thu, 15 Jul 2021 09:30:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E3060613B5 for ; Thu, 15 Jul 2021 09:30:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234206AbhGOJd0 (ORCPT ); Thu, 15 Jul 2021 05:33:26 -0400 Received: from out30-44.freemail.mail.aliyun.com ([115.124.30.44]:35161 "EHLO out30-44.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233886AbhGOJd0 (ORCPT ); Thu, 15 Jul 2021 05:33:26 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04420;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0UfrwCzW_1626341431; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0UfrwCzW_1626341431) by smtp.aliyun-inc.com(127.0.0.1); Thu, 15 Jul 2021 17:30:32 +0800 From: Jeffle Xu To: vgoyal@redhat.com, stefanha@redhat.com, miklos@szeredi.hu Cc: linux-fsdevel@vger.kernel.org, virtualization@lists.linux-foundation.org, bo.liu@linux.alibaba.com Subject: [RFC PATCH 1/3] fuse: add fuse_should_enable_dax() helper Date: Thu, 15 Jul 2021 17:30:29 +0800 Message-Id: <20210715093031.55667-2-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210715093031.55667-1-jefflexu@linux.alibaba.com> References: <20210715093031.55667-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org This is in prep for following per-file DAX checking. Signed-off-by: Jeffle Xu --- fs/fuse/dax.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/fs/fuse/dax.c b/fs/fuse/dax.c index 0e5407f48e6a..97b8bd09baa3 100644 --- a/fs/fuse/dax.c +++ b/fs/fuse/dax.c @@ -1336,11 +1336,19 @@ static const struct address_space_operations fuse_dax_file_aops = { .invalidatepage = noop_invalidatepage, }; -void fuse_dax_inode_init(struct inode *inode) +static bool fuse_should_enable_dax(struct inode *inode) { struct fuse_conn *fc = get_fuse_conn(inode); if (!fc->dax) + return false; + + return true; +} + +void fuse_dax_inode_init(struct inode *inode) +{ + if (!fuse_should_enable_dax(inode)) return; inode->i_flags |= S_DAX;