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-rw-r--r--include/linux/nsproxy.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index 5601d14e2886..dab6a1734a22 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -42,6 +42,17 @@ struct nsproxy {
};
extern struct nsproxy init_nsproxy;
+#define to_ns_common(__ns) \
+ _Generic((__ns), \
+ struct cgroup_namespace *: &(__ns->ns), \
+ struct ipc_namespace *: &(__ns->ns), \
+ struct net *: &(__ns->ns), \
+ struct pid_namespace *: &(__ns->ns), \
+ struct mnt_namespace *: &(__ns->ns), \
+ struct time_namespace *: &(__ns->ns), \
+ struct user_namespace *: &(__ns->ns), \
+ struct uts_namespace *: &(__ns->ns))
+
/*
* A structure to encompass all bits needed to install
* a partial or complete new set of namespaces.
@@ -112,4 +123,6 @@ static inline void get_nsproxy(struct nsproxy *ns)
refcount_inc(&ns->count);
}
+DEFINE_FREE(put_nsproxy, struct nsproxy *, if (_T) put_nsproxy(_T))
+
#endif