cifs: add a debug macro that prints \\server\share for errors

Where we have a tcon available we can log \\server\share as part
of the message. Only do this for the VFS log level.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
4 files changed