[Xen-changelog] [linux-2.6.18-xen] Add xenbus_for_each_[back, front]end functions to iterate each bus.

["Xen patchbot-linux-2.6.18-xen" <patchbot-linux-2.6.18-xen@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1184000991 -3600
# Node ID 729fa35e1e3b7b22c7115893afbda963e6408925
# Parent  21d5238ee2ec892825cc8905cc6ffa08b021fc88
Add xenbus_for_each_[back,front]end functions to iterate each bus.
Signed-off-by: Kieran Mansley <kmansley@xxxxxxxxxxxxxx>
---
 drivers/xen/xenbus/xenbus_probe.c         |    7 +++++++
 drivers/xen/xenbus/xenbus_probe_backend.c |    7 +++++++
 include/xen/xenbus.h                      |    3 +++
 3 files changed, 17 insertions(+)

diff -r 21d5238ee2ec -r 729fa35e1e3b drivers/xen/xenbus/xenbus_probe.c
--- a/drivers/xen/xenbus/xenbus_probe.c Mon Jul 09 18:07:34 2007 +0100
+++ b/drivers/xen/xenbus/xenbus_probe.c Mon Jul 09 18:09:51 2007 +0100
@@ -4,6 +4,7 @@
  * Copyright (C) 2005 Rusty Russell, IBM Corporation
  * Copyright (C) 2005 Mike Wray, Hewlett-Packard
  * Copyright (C) 2005, 2006 XenSource Ltd
+ * Copyright (C) 2007 Solarflare Communications, Inc.
  * 
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version 2
@@ -1088,3 +1089,9 @@ static int __init boot_wait_for_devices(
 
 late_initcall(boot_wait_for_devices);
 #endif
+
+int xenbus_for_each_frontend(void *arg, int (*fn)(struct device *, void *))
+{
+       return bus_for_each_dev(&xenbus_frontend.bus, NULL, arg, fn);
+}
+EXPORT_SYMBOL_GPL(xenbus_for_each_frontend);
diff -r 21d5238ee2ec -r 729fa35e1e3b drivers/xen/xenbus/xenbus_probe_backend.c
--- a/drivers/xen/xenbus/xenbus_probe_backend.c Mon Jul 09 18:07:34 2007 +0100
+++ b/drivers/xen/xenbus/xenbus_probe_backend.c Mon Jul 09 18:09:51 2007 +0100
@@ -4,6 +4,7 @@
  * Copyright (C) 2005 Rusty Russell, IBM Corporation
  * Copyright (C) 2005 Mike Wray, Hewlett-Packard
  * Copyright (C) 2005, 2006 XenSource Ltd
+ * Copyright (C) 2007 Solarflare Communications, Inc.
  * 
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version 2
@@ -285,3 +286,9 @@ void xenbus_backend_device_register(void
                       xenbus_backend.error);
        }
 }
+
+int xenbus_for_each_backend(void *arg, int (*fn)(struct device *, void *))
+{
+       return bus_for_each_dev(&xenbus_backend.bus, NULL, arg, fn);
+}
+EXPORT_SYMBOL_GPL(xenbus_for_each_backend);
diff -r 21d5238ee2ec -r 729fa35e1e3b include/xen/xenbus.h
--- a/include/xen/xenbus.h      Mon Jul 09 18:07:34 2007 +0100
+++ b/include/xen/xenbus.h      Mon Jul 09 18:09:51 2007 +0100
@@ -300,4 +300,7 @@ int xenbus_dev_is_online(struct xenbus_d
 int xenbus_dev_is_online(struct xenbus_device *dev);
 int xenbus_frontend_closed(struct xenbus_device *dev);
 
+int xenbus_for_each_backend(void *arg, int (*fn)(struct device *, void *));
+int xenbus_for_each_frontend(void *arg, int (*fn)(struct device *, void *));
+
 #endif /* _XEN_XENBUS_H */

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