Unverified Commit 85e4daae authored by Christian Brauner's avatar Christian Brauner
Browse files

nsproxy: add helper to go from arbitrary namespace to ns_common 



They all contains struct ns_common ns and if there ever is one where
that isn't the case we'll catch it here at build time.

Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent d057c108

include/linux/nsproxy.h

+11 −0
Original line number Diff line number Diff line
@@ -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.