add new fields to smb_vol to track the requested security flavor

We have this to some degree already in secFlgs, but those get "or'ed" so
there's no way to know what the last option requested was. Add new fields
that will eventually supercede the secFlgs field in the cifs_ses.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 87d92e3..2f3a89a 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -402,6 +402,8 @@
 	umode_t file_mode;
 	umode_t dir_mode;
 	unsigned secFlg;
+	enum securityEnum sectype; /* sectype requested via mnt opts */
+	bool sign; /* was signing requested via mnt opts? */
 	bool retry:1;
 	bool intr:1;
 	bool setuids:1;