docs: filesystems: convert efivarfs.txt to ReST

Trivial changes:

- Add a SPDX header;
- Adjust document title;
- Mark a literal block as such;
- Add it to filesystems/index.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/215691d747055c4ccb038ec7d78d8d1fe87fe2c0.1581955849.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/filesystems/efivarfs.txt b/Documentation/filesystems/efivarfs.rst
similarity index 85%
rename from Documentation/filesystems/efivarfs.txt
rename to Documentation/filesystems/efivarfs.rst
index 686a64bba775e0af9990cf305ab81f1ac4c8c278..90ac65683e7e9719501884421f33b9031ab2846a 100644 (file)
--- a/Documentation/filesystems/efivarfs.txt
+++ b/Documentation/filesystems/efivarfs.rst
@@ -1,5 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
 
+=======================================
 efivarfs - a (U)EFI variable filesystem
+=======================================
 
 The efivarfs filesystem was created to address the shortcomings of
 using entries in sysfs to maintain EFI variables. The old sysfs EFI
@@ -11,7 +14,7 @@ than a single page, sysfs isn't the best interface for this.
 Variables can be created, deleted and modified with the efivarfs
 filesystem.
 
-efivarfs is typically mounted like this,
+efivarfs is typically mounted like this::
 
        mount -t efivarfs none /sys/firmware/efi/efivars
 

diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index d6d69f1c92877462500b418906847e026d93573a..4230f49d27324ff969425477e0479da8953e3829 100644 (file)
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -60,6 +60,7 @@ Documentation for filesystem implementations.
    debugfs
    dlmfs
    ecryptfs
+   efivarfs
    fuse
    overlayfs
    virtiofs