From patchwork Thu Nov 25 07:05:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jingbo Xu X-Patchwork-Id: 12638491 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59A50C4332F for ; Thu, 25 Nov 2021 07:07:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351229AbhKYHKo (ORCPT ); Thu, 25 Nov 2021 02:10:44 -0500 Received: from out30-43.freemail.mail.aliyun.com ([115.124.30.43]:52546 "EHLO out30-43.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352521AbhKYHIo (ORCPT ); Thu, 25 Nov 2021 02:08:44 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0UyESXVx_1637823931; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0UyESXVx_1637823931) by smtp.aliyun-inc.com(127.0.0.1); Thu, 25 Nov 2021 15:05:31 +0800 From: Jeffle Xu To: vgoyal@redhat.com, stefanha@redhat.com, miklos@szeredi.hu Cc: virtio-fs@redhat.com, linux-fsdevel@vger.kernel.org, joseph.qi@linux.alibaba.com Subject: [PATCH v8 1/7] fuse: add fuse_should_enable_dax() helper Date: Thu, 25 Nov 2021 15:05:24 +0800 Message-Id: <20211125070530.79602-2-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211125070530.79602-1-jefflexu@linux.alibaba.com> References: <20211125070530.79602-1-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 inode DAX checking. Signed-off-by: Jeffle Xu Reviewed-by: Vivek Goyal --- 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 5778ebfbce5e..4c48a57632bd 100644 --- a/fs/fuse/dax.c +++ b/fs/fuse/dax.c @@ -1329,11 +1329,19 @@ 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;