ipc: convert ipc_namespace.count from atomic_t to refcount_t

[linux.git] / include / linux / ipc_namespace.h

diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 65327ee0936b314fe38fffee3ffb5f882d8883ac..e81445cc7c5788c1abd7802121efdd43ca3e1410 100644 (file)
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -7,6 +7,7 @@
 #include <linux/notifier.h>
 #include <linux/nsproxy.h>
 #include <linux/ns_common.h>
+#include <linux/refcount.h>
 
 struct user_namespace;
 
@@ -19,7 +20,7 @@ struct ipc_ids {
 };
 
 struct ipc_namespace {
-       atomic_t        count;
+       refcount_t      count;
        struct ipc_ids  ids[3];
 
        int             sem_ctls[4];
@@ -118,7 +119,7 @@ extern struct ipc_namespace *copy_ipcs(unsigned long flags,
 static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
 {
        if (ns)
-               atomic_inc(&ns->count);
+               refcount_inc(&ns->count);
        return ns;
 }