summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/linux/nsfs.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/nsfs.h b/include/linux/nsfs.h
index fb84aa538091..e5a5fa83d36b 100644
--- a/include/linux/nsfs.h
+++ b/include/linux/nsfs.h
@@ -5,6 +5,8 @@
#define _LINUX_NSFS_H
#include <linux/ns_common.h>
+#include <linux/cred.h>
+#include <linux/pid_namespace.h>
struct path;
struct task_struct;
@@ -22,5 +24,17 @@ int ns_get_name(char *buf, size_t size, struct task_struct *task,
const struct proc_ns_operations *ns_ops);
void nsfs_init(void);
-#endif /* _LINUX_NSFS_H */
+#define __current_namespace_from_type(__ns) \
+ _Generic((__ns), \
+ struct cgroup_namespace *: current->nsproxy->cgroup_ns, \
+ struct ipc_namespace *: current->nsproxy->ipc_ns, \
+ struct net *: current->nsproxy->net_ns, \
+ struct pid_namespace *: task_active_pid_ns(current), \
+ struct mnt_namespace *: current->nsproxy->mnt_ns, \
+ struct time_namespace *: current->nsproxy->time_ns, \
+ struct user_namespace *: current_user_ns(), \
+ struct uts_namespace *: current->nsproxy->uts_ns)
+
+#define current_in_namespace(__ns) (__current_namespace_from_type(__ns) == __ns)
+#endif /* _LINUX_NSFS_H */