From f203e7d6703710fe7415cb9a1e562e6ac41798d2 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Thu, 28 Nov 2013 10:45:44 +0100
Subject: [PATCH hurd 05/29] libnetfs: add a payload-aware intrans function

* libnetfs/priv.h (begin_using_protid_payload): New function.
* libnetfs/mutations.h: Add mutator.
---
 libnetfs/mutations.h | 3 +++
 libnetfs/priv.h      | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/libnetfs/mutations.h b/libnetfs/mutations.h
index e60a220..088d8a0 100644
--- a/libnetfs/mutations.h
+++ b/libnetfs/mutations.h
@@ -23,12 +23,15 @@
 #define IO_SELECT_REPLY_PORT
 
 #define FILE_INTRAN protid_t begin_using_protid_port (file_t)
+#define FILE_INTRAN_PAYLOAD protid_t begin_using_protid_payload
 #define FILE_DESTRUCTOR end_using_protid_port (protid_t)
 
 #define IO_INTRAN protid_t begin_using_protid_port (io_t)
+#define IO_INTRAN_PAYLOAD protid_t begin_using_protid_payload
 #define IO_DESTRUCTOR end_using_protid_port (protid_t)
 
 #define FSYS_INTRAN control_t begin_using_control_port (fsys_t)
+#define FSYS_INTRAN_PAYLOAD control_t begin_using_control_payload
 #define FSYS_DESTRUCTOR end_using_control_port (control_t)
 
 #define FILE_IMPORTS import "libnetfs/netfs.h"; import "libnetfs/priv.h";
diff --git a/libnetfs/priv.h b/libnetfs/priv.h
index ba31080..36c8f53 100644
--- a/libnetfs/priv.h
+++ b/libnetfs/priv.h
@@ -44,6 +44,12 @@ begin_using_control_port (fsys_t port)
   return ports_lookup_port (netfs_port_bucket, port, netfs_control_class);
 }
 
+static inline struct netfs_control * __attribute__ ((unused))
+begin_using_control_payload (unsigned long payload)
+{
+  return ports_lookup_payload (netfs_port_bucket, payload, netfs_control_class);
+}
+
 static inline void __attribute__ ((unused))
 end_using_control_port (struct netfs_control *cred)
 {
-- 
2.1.3