Introduce general-purpose ways to wait for dpif and netdev changes.

[openvswitch] / datapath / brc_sysfs.h

diff --git a/datapath/brc_sysfs.h b/datapath/brc_sysfs.h
index 0c72fb22741b261957928c4277a0b033517adc4e..78540d58c1f210c1ec661f75916b93a3dfd90b63 100644 (file)
--- a/datapath/brc_sysfs.h
+++ b/datapath/brc_sysfs.h
@@ -1,3 +1,11 @@
+/*
+ * Copyright (c) 2009 Nicira Networks.
+ * Distributed under the terms of the GNU GPL version 2.
+ *
+ * Significant portions of this file may be copied from parts of the Linux
+ * kernel, by Linus Torvalds and others.
+ */
+
 #ifndef BRC_SYSFS_H
 #define BRC_SYSFS_H 1
 
@@ -12,14 +20,5 @@ int brc_sysfs_del_dp(struct datapath *dp);
 int brc_sysfs_add_if(struct net_bridge_port *p);
 int brc_sysfs_del_if(struct net_bridge_port *p);
 
-#include <linux/version.h>
-#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,18)
-#define SUPPORT_SYSFS 1
-#else
-/* We only support sysfs on Linux 2.6.18 because that's the only place we
- * really need it (on Xen, for brcompat) and it's a big pain to try to support
- * multiple versions. */
-#endif
-
 #endif /* brc_sysfs.h */