From patchwork Wed Aug 4 07:06:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jingbo Xu X-Patchwork-Id: 12417957 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 BE087C4338F for ; Wed, 4 Aug 2021 07:07:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9246460EEA for ; Wed, 4 Aug 2021 07:07:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235430AbhHDHHL (ORCPT ); Wed, 4 Aug 2021 03:07:11 -0400 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]:52823 "EHLO out30-130.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235495AbhHDHHK (ORCPT ); Wed, 4 Aug 2021 03:07:10 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R151e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01424;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0UhwuUVZ_1628060816; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0UhwuUVZ_1628060816) by smtp.aliyun-inc.com(127.0.0.1); Wed, 04 Aug 2021 15:06:56 +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, virtio-fs@redhat.com, joseph.qi@linux.alibaba.com, bo.liu@linux.alibaba.com Subject: [PATCH v3 8/8] fuse: show '-o dax=inode' option only when FUSE server supports Date: Wed, 4 Aug 2021 15:06:53 +0800 Message-Id: <20210804070653.118123-9-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210804070653.118123-1-jefflexu@linux.alibaba.com> References: <20210804070653.118123-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Prior of this patch, the mount option will still show '-o dax=inode' when FUSE server advertises that it doesn't support per-file DAX. Signed-off-by: Jeffle Xu --- fs/fuse/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 9108d8ab39bc..439f74a041fa 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -697,7 +697,7 @@ static int fuse_show_options(struct seq_file *m, struct dentry *root) seq_puts(m, ",dax=always"); else if (fc->dax_mode == FUSE_DAX_NEVER) seq_puts(m, ",dax=never"); - else if (fc->dax_mode == FUSE_DAX_INODE) + else if ((fc->dax_mode == FUSE_DAX_INODE) && fc->perfile_dax) seq_puts(m, ",dax=inode"); #endif