ext4: Update documentation about quota mount options

jankara · tytso · commit 1358870deaf1 · 2009-09-18T12:22:29.000-04:00
Signed-off-by: Jan Kara &lt;jack@suse.cz&gt;
Signed-off-by: "Theodore Ts'o" &lt;tytso@mit.edu&gt;
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
@@ -257,10 +257,18 @@ resuid=n		The user ID which may use the reserved blocks.
 
 sb=n			Use alternate superblock at this location.
 
-quota
-noquota
-grpquota
-usrquota
+quota			These options are ignored by the filesystem. They
+noquota			are used only by quota tools to recognize volumes
+grpquota		where quota should be turned on. See documentation
+usrquota		in the quota-tools package for more details
+			(http://sourceforge.net/projects/linuxquota).
+
+jqfmt=<quota type>	These options tell filesystem details about quota
+usrjquota=<file>	so that quota information can be properly updated
+grpjquota=<file>	during journal replay. They replace the above
+			quota options. See documentation in the quota-tools
+			package for more details
+			(http://sourceforge.net/projects/linuxquota).
 
 bh		(*)	ext4 associates buffer heads to data pages to
 nobh			(a) cache disk block mapping information
