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Subject[PATCH v2 07/29] docs: filesystems: convert cifs/cifsroot.txt to ReST
Date
- Add a SPDX header;
- Adjust document title;
- Some whitespace fixes and new line breaks;
- Mark literal blocks as such;
- Add it to filesystems/index.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
.../cifs/{cifsroot.txt => cifsroot.rst} | 56 +++++++++++--------
Documentation/filesystems/index.rst | 1 +
2 files changed, 33 insertions(+), 24 deletions(-)
rename Documentation/filesystems/cifs/{cifsroot.txt => cifsroot.rst} (72%)

diff --git a/Documentation/filesystems/cifs/cifsroot.txt b/Documentation/filesystems/cifs/cifsroot.rst
similarity index 72%
rename from Documentation/filesystems/cifs/cifsroot.txt
rename to Documentation/filesystems/cifs/cifsroot.rst
index 947b7ec6ce9e..4930bb443134 100644
--- a/Documentation/filesystems/cifs/cifsroot.txt
+++ b/Documentation/filesystems/cifs/cifsroot.rst
@@ -1,7 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========================================
Mounting root file system via SMB (cifs.ko)
===========================================

Written 2019 by Paulo Alcantara <palcantara@suse.de>
+
Written 2019 by Aurelien Aptel <aaptel@suse.com>

The CONFIG_CIFS_ROOT option enables experimental root file system
@@ -32,7 +36,7 @@ Server configuration
====================

To enable SMB1+UNIX extensions you will need to set these global
-settings in Samba smb.conf:
+settings in Samba smb.conf::

[global]
server min protocol = NT1
@@ -41,12 +45,16 @@ settings in Samba smb.conf:
Kernel command line
===================

-root=/dev/cifs
+::
+
+ root=/dev/cifs

This is just a virtual device that basically tells the kernel to mount
the root file system via SMB protocol.

-cifsroot=//<server-ip>/<share>[,options]
+::
+
+ cifsroot=//<server-ip>/<share>[,options]

Enables the kernel to mount the root file system via SMB that are
located in the <server-ip> and <share> specified in this option.
@@ -65,33 +73,33 @@ options
Examples
========

-Export root file system as a Samba share in smb.conf file.
+Export root file system as a Samba share in smb.conf file::

-...
-[linux]
- path = /path/to/rootfs
- read only = no
- guest ok = yes
- force user = root
- force group = root
- browseable = yes
- writeable = yes
- admin users = root
- public = yes
- create mask = 0777
- directory mask = 0777
-...
+ ...
+ [linux]
+ path = /path/to/rootfs
+ read only = no
+ guest ok = yes
+ force user = root
+ force group = root
+ browseable = yes
+ writeable = yes
+ admin users = root
+ public = yes
+ create mask = 0777
+ directory mask = 0777
+ ...

-Restart smb service.
+Restart smb service::

-# systemctl restart smb
+ # systemctl restart smb

Test it under QEMU on a kernel built with CONFIG_CIFS_ROOT and
-CONFIG_IP_PNP options enabled.
+CONFIG_IP_PNP options enabled::

-# qemu-system-x86_64 -enable-kvm -cpu host -m 1024 \
- -kernel /path/to/linux/arch/x86/boot/bzImage -nographic \
- -append "root=/dev/cifs rw ip=dhcp cifsroot=//10.0.2.2/linux,username=foo,password=bar console=ttyS0 3"
+ # qemu-system-x86_64 -enable-kvm -cpu host -m 1024 \
+ -kernel /path/to/linux/arch/x86/boot/bzImage -nographic \
+ -append "root=/dev/cifs rw ip=dhcp cifsroot=//10.0.2.2/linux,username=foo,password=bar console=ttyS0 3"


1: https://wiki.samba.org/index.php/UNIX_Extensions
diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index f8781c13aee3..2ad8a207523e 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -59,6 +59,7 @@ Documentation for filesystem implementations.
befs
bfs
btrfs
+ cifs/cifsroot
ceph
cramfs
debugfs
--
2.25.2
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