smb: smbdirect: introduce smbdirect_all_c_files.c

This is a very basic start in order to introduce
common functions, which will be shared by client and server.

As a start smbdirect_all_c_files.c will be included in
fs/smb/client/smbdirect.c and fs/smb/server/transport_rdma.c
in order to allow tiny steps in the direction of moving to
a few exported functions from an smbdirect.ko.

Step by step this will include individual c files
with the real functions.

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_all_c_files.c b/fs/smb/common/smbdirect/smbdirect_all_c_files.c
new file mode 100644 (file)
index 0000000..610556f
--- /dev/null
+++ b/fs/smb/common/smbdirect/smbdirect_all_c_files.c
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *   Copyright (c) 2025, Stefan Metzmacher
+ */
+
+/*
+ * This is a temporary solution in order
+ * to include the common smbdirect functions
+ * into .c files in order to make a transformation
+ * in tiny bisectable steps possible.
+ *
+ * It will be replaced by a smbdirect.ko with
+ * exported public functions at the end.
+ */
+#ifndef SMBDIRECT_USE_INLINE_C_FILES
+#error SMBDIRECT_USE_INLINE_C_FILES define needed
+#endif