quota: Update documentation
Mention that quota netlink messages are sent only in initial network
namespace.
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/Documentation/filesystems/quota.txt b/Documentation/filesystems/quota.txt
index 5e8de25..29fc015 100644
--- a/Documentation/filesystems/quota.txt
+++ b/Documentation/filesystems/quota.txt
@@ -32,7 +32,10 @@
http://lwn.net/Articles/208755/ and http://people.suug.ch/~tgr/libnl/ for more
details about this layer). The name of the quota generic netlink interface
is "VFS_DQUOT". Definitions of constants below are in <linux/quota.h>.
- Currently, the interface supports only one message type QUOTA_NL_C_WARNING.
+Since the quota netlink protocol is not namespace aware, quota netlink messages
+are sent only in initial network namespace.
+
+Currently, the interface supports only one message type QUOTA_NL_C_WARNING.
This command is used to send a notification about any of the above mentioned
events. Each message has six attributes. These are (type of the argument is
in parentheses):