smb: smbdirect: introduce smbdirect_socket_shutdown()

This can be used by client and server to trigger a
disconnect of the connection, the idea of to be
similar to kernel_sock_shutdown(), but for smbdirect
there's no point in shutting down only one direction
so there's no 'how' argument.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/smb/common/smbdirect/smbdirect_socket.c b/fs/smb/common/smbdirect/smbdirect_socket.c
index 251d1521917340fd68e07814460e85d5d898f36f..57b6e8e16183fbc1f15cffb2085b943319a6703a 100644 (file)
--- a/fs/smb/common/smbdirect/smbdirect_socket.c
+++ b/fs/smb/common/smbdirect/smbdirect_socket.c
@@ -385,6 +385,12 @@ static void smbdirect_socket_destroy_sync(struct smbdirect_socket *sc)
                SMBDIRECT_DEBUG_ERR_PTR(sc->first_error));
 }
 
+__maybe_unused /* this is temporary while this file is included in others */
+static void smbdirect_socket_shutdown(struct smbdirect_socket *sc)
+{
+       smbdirect_socket_schedule_cleanup_lvl(sc, SMBDIRECT_LOG_INFO, -ESHUTDOWN);
+}
+
 __maybe_unused /* this is temporary while this file is included in others */
 static int smbdirect_socket_wait_for_credits(struct smbdirect_socket *sc,
                                             enum smbdirect_socket_status expected_status,