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authorYing Xue <ying.xue@windriver.com>2014-04-21 06:55:45 +0400
committerDavid S. Miller <davem@davemloft.net>2014-04-23 05:17:52 +0400
commitf8322dfce5766c8e26d9224cbcaf6fdc0b2eb04d (patch)
tree9631ad1e81d63e7199350788f997733a5eb873e9 /net/tipc/bearer.h
parentf97e455abf0d83b7d69da295163db18e3ebb4d8b (diff)
downloadlinux-f8322dfce5766c8e26d9224cbcaf6fdc0b2eb04d.tar.xz
tipc: convert bearer_list to RCU list
Convert bearer_list to RCU list. It's protected by RTNL lock on update side, and RCU read lock is applied to read side. Signed-off-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Tested-by: Erik Hugne <erik.hugne@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/bearer.h')
-rw-r--r--net/tipc/bearer.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index ba48145e871d..b67b7ea4cc36 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -113,6 +113,7 @@ struct tipc_media {
* @name: bearer name (format = media:interface)
* @media: ptr to media structure associated with bearer
* @bcast_addr: media address used in broadcasting
+ * @rcu: rcu struct for tipc_bearer
* @priority: default link priority for bearer
* @window: default window size for bearer
* @tolerance: default link tolerance for bearer
@@ -133,6 +134,7 @@ struct tipc_bearer {
char name[TIPC_MAX_BEARER_NAME];
struct tipc_media *media;
struct tipc_media_addr bcast_addr;
+ struct rcu_head rcu;
u32 priority;
u32 window;
u32 tolerance;
@@ -150,7 +152,7 @@ struct tipc_bearer_names {
struct tipc_link;
-extern struct tipc_bearer *bearer_list[];
+extern struct tipc_bearer __rcu *bearer_list[];
/*
* TIPC routines available to supported media types