[CIFS] enable parsing for transport encryption mount parm

Samba now supports transport encryption on particular exports
(mounted tree ids can be encrypted for servers which support the
unix extensions).  This adds parsing support to cifs mount
option parsing for this.

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/cifs/README b/fs/cifs/README
index 621aa1a85971..2bd6fe556f88 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -483,6 +483,11 @@ A partial list of the supported mount options follows:
  sign           Must use packet signing (helps avoid unwanted data modification
                 by intermediate systems in the route).  Note that signing
                 does not work with lanman or plaintext authentication.
+ seal           Must seal (encrypt) all data on this mounted share before
+                sending on the network.  Requires support for Unix Extensions.
+                Note that this differs from the sign mount option in that it
+                causes encryption of data sent over this mounted share but other
+                shares mounted to the same server are unaffected.
  sec            Security mode.  Allowed values are:
                         none    attempt to connection as a null user (no name)
                         krb5    Use Kerberos version 5 authentication