Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Keiichi Watanabe <keiichiw@chromium.org>
To:     LKML <linux-kernel@vger.kernel.org>
Cc:     mhiramat@google.com, takayas@chromium.org, drosen@google.com,
        sarthakkukreti@google.com, uekawa@chromium.org,
        Keiichi Watanabe <keiichiw@chromium.org>,
        Jonathan Corbet <corbet@lwn.net>,
        Miklos Szeredi <miklos@szeredi.hu>,
        Stefan Hajnoczi <stefanha@redhat.com>,
        Vivek Goyal <vgoyal@redhat.com>, linux-doc@vger.kernel.org,
        linux-fsdevel@vger.kernel.org,
        virtualization@lists.linux-foundation.org
Subject: [PATCH 1/3] docs: virtiofs: Fix descriptions about virtiofs mount option
Date:   Wed, 21 Jun 2023 00:13:14 +0900
Message-ID: <20230620151328.1637569-2-keiichiw@chromium.org>
In-Reply-To: <20230620151328.1637569-1-keiichiw@chromium.org>
References: <20230620151328.1637569-1-keiichiw@chromium.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Since virtiofs and FUSE don't share mount options, fixes the
description. Also, explains DAX option as the only virtiofs-specific
option so far.

Signed-off-by: Keiichi Watanabe <keiichiw@chromium.org>
---

 Documentation/filesystems/dax.rst      | 1 +
 Documentation/filesystems/virtiofs.rst | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/filesystems/dax.rst b/Documentation/filesystems/dax.rst
index c04609d8ee24..77c5d4550ecd 100644
--- a/Documentation/filesystems/dax.rst
+++ b/Documentation/filesystems/dax.rst
@@ -167,6 +167,7 @@ Setting the `FS_XFLAG_DAX` flag (specifically or through inheritance) occurs eve
 if the underlying media does not support dax and/or the filesystem is
 overridden with a mount option.
 
+.. _virtiofs-dax:
 
 Enabling DAX on virtiofs
 ----------------------------
diff --git a/Documentation/filesystems/virtiofs.rst b/Documentation/filesystems/virtiofs.rst
index fd4d2484e949..fdec5a7840f7 100644
--- a/Documentation/filesystems/virtiofs.rst
+++ b/Documentation/filesystems/virtiofs.rst
@@ -43,7 +43,10 @@ Mount options
 -------------
 
 virtiofs supports general VFS mount options, for example, remount,
-ro, rw, context, etc. It also supports FUSE mount options.
+ro, rw, context, etc. Also, virtiofs has its own options.
+
+dax[=always,never,inode]
+  Enable direct access for files. See :ref:`virtiofs-dax`.
 
 atime behavior
 ^^^^^^^^^^^^^^
-- 
2.41.0.185.g7c58973941-goog