From: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Date: Tue, 17 Dec 2019 15:55:20 -0500
Subject: virtiofs: Add mount option and atime behavior to the doc
Git-commit: a5d8422cc9598b11054faf34772d9ce68ae204fd
Patch-mainline: v5.8-rc1
References: jsc#SLE-13782

Add a section to show the mount option and a subsection to show
the atime behavior.

Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
 Documentation/filesystems/virtiofs.rst | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/filesystems/virtiofs.rst b/Documentation/filesystems/virtiofs.rst
index e06e4951cb39..fd4d2484e949 100644
--- a/Documentation/filesystems/virtiofs.rst
+++ b/Documentation/filesystems/virtiofs.rst
@@ -39,6 +39,20 @@ Mount file system with tag ``myfs`` on ``/mnt``:
 Please see https://virtio-fs.gitlab.io/ for details on how to configure QEMU
 and the virtiofsd daemon.
 
+Mount options
+-------------
+
+virtiofs supports general VFS mount options, for example, remount,
+ro, rw, context, etc. It also supports FUSE mount options.
+
+atime behavior
+^^^^^^^^^^^^^^
+
+The atime-related mount options, for example, noatime, strictatime,
+are ignored. The atime behavior for virtiofs is the same as the
+underlying filesystem of the directory that has been exported
+on the host.
+
 Internals
 =========
 Since the virtio-fs device uses the FUSE protocol for file system requests, the