linux-kernel - [PATCH] f2fs: fix to document reserved special compression extension

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Date:   Fri, 19 Jun 2020 11:20:28 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        Chao Yu <yuchao0@...wei.com>
Subject: [PATCH] f2fs: fix to document reserved special compression extension

There is one reserved special compression extension: '*', which
could be set via 'compress_extension="*"' mount option to enable
compression for all files.

Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 Documentation/filesystems/f2fs.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 099d45ac8d8f..535021c46260 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -258,6 +258,8 @@ compress_extension=%s  Support adding specified extension, so that f2fs can enab
                        on compression extension list and enable compression on
                        these file by default rather than to enable it via ioctl.
                        For other files, we can still enable compression via ioctl.
+                       Note that, there is one reserved special extension '*', it
+                       can be set to enable compression for all files.
 ====================== ============================================================
 
 Debugfs Entries
-- 
2.26.2