btrfs-progs: add missing options to qgroup limit

btrfs qgroup limit has two options -c and -e,. They were forgotten to add
to manpage.

Signed-off-by: Fan Chengniang <fancn.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/Documentation/btrfs-qgroup.txt b/Documentation/btrfs-qgroup.txt
index 8ce1c27d45f2e4fb24969a7f8e5f396f747668e5..7e370bd0216fc0ccd0e3a99f48bb9422d9099dc9 100644 (file)
--- a/Documentation/btrfs-qgroup.txt
+++ b/Documentation/btrfs-qgroup.txt
@@ -58,6 +58,15 @@ identified by <path>.
 +
 If <qgroupid> is not given, qgroup of the subvolume identified by <path>
 is used if possible.
++
+`Options`
++
+-c::::
+limit amount of data after compression. This is the default, it is currently not
+possible to turn off this option.
++
+-e::::
+limit space exclusively assigned to this qgroup.
 
 *remove* <src> <dst> <path>::
 Remove the relationship between child qgroup <src> and parent qgroup <dst> in