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-rw-r--r--include/linux/ipc_namespace.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 51952989ad42..a6d1655f9607 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -5,6 +5,7 @@
#include <linux/idr.h>
#include <linux/rwsem.h>
#include <linux/notifier.h>
+#include <linux/nsproxy.h>
/*
* ipc namespace events
@@ -15,6 +16,7 @@
#define IPCNS_CALLBACK_PRI 0
+struct user_namespace;
struct ipc_ids {
int in_use;
@@ -56,6 +58,8 @@ struct ipc_namespace {
unsigned int mq_msg_max; /* initialized to DFLT_MSGMAX */
unsigned int mq_msgsize_max; /* initialized to DFLT_MSGSIZEMAX */
+ /* user_ns which owns the ipc ns */
+ struct user_namespace *user_ns;
};
extern struct ipc_namespace init_ipc_ns;
@@ -90,7 +94,7 @@ static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; }
#if defined(CONFIG_IPC_NS)
extern struct ipc_namespace *copy_ipcs(unsigned long flags,
- struct ipc_namespace *ns);
+ struct task_struct *tsk);
static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
{
if (ns)
@@ -101,12 +105,12 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
extern void put_ipc_ns(struct ipc_namespace *ns);
#else
static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
- struct ipc_namespace *ns)
+ struct task_struct *tsk)
{
if (flags & CLONE_NEWIPC)
return ERR_PTR(-EINVAL);
- return ns;
+ return tsk->nsproxy->ipc_ns;
}
static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
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