From patchwork Mon Oct 11 03:00:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jingbo Xu X-Patchwork-Id: 12548953 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70291C4321E for ; Mon, 11 Oct 2021 03:01:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 509BB60F55 for ; Mon, 11 Oct 2021 03:01:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233612AbhJKDDA (ORCPT ); Sun, 10 Oct 2021 23:03:00 -0400 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]:53785 "EHLO out30-130.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233650AbhJKDC4 (ORCPT ); Sun, 10 Oct 2021 23:02:56 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R131e4;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=7;SR=0;TI=SMTPD_---0UrJf2Uv_1633921255; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0UrJf2Uv_1633921255) by smtp.aliyun-inc.com(127.0.0.1); Mon, 11 Oct 2021 11:00:55 +0800 From: Jeffle Xu To: vgoyal@redhat.com, stefanha@redhat.com, miklos@szeredi.hub Cc: linux-fsdevel@vger.kernel.org, virtio-fs@redhat.com, bo.liu@linux.alibaba.com, joseph.qi@linux.alibaba.com Subject: [PATCH v6 4/7] fuse: negotiate per-file DAX in FUSE_INIT Date: Mon, 11 Oct 2021 11:00:49 +0800 Message-Id: <20211011030052.98923-5-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211011030052.98923-1-jefflexu@linux.alibaba.com> References: <20211011030052.98923-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Among the FUSE_INIT phase, client shall advertise per-file DAX if it's mounted with "-o dax=inode". Then server is aware that client is in per-file DAX mode, and will construct per-inode DAX attribute accordingly. Signed-off-by: Jeffle Xu --- fs/fuse/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index b4b41683e97e..f4ad99e2415b 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -1203,6 +1203,8 @@ void fuse_send_init(struct fuse_mount *fm) #ifdef CONFIG_FUSE_DAX if (fm->fc->dax) ia->in.flags |= FUSE_MAP_ALIGNMENT; + if (fm->fc->dax_mode == FUSE_DAX_INODE) + ia->in.flags |= FUSE_PERFILE_DAX; #endif if (fm->fc->auto_submounts) ia->in.flags |= FUSE_SUBMOUNTS;