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 <[email protected]> Signed-off-by: Jaegeuk Kim <[email protected]>
blogic · Jul 8, 2020 · fa67955 · fa67955
1 parent 0ef8183
commit fa67955
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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