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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_NS_COMMON_H
#define _LINUX_NS_COMMON_H
#include <linux/refcount.h>
#include <linux/rbtree.h>
struct proc_ns_operations;
struct cgroup_namespace;
struct ipc_namespace;
struct mnt_namespace;
struct net;
struct pid_namespace;
struct time_namespace;
struct user_namespace;
struct uts_namespace;
struct ns_common {
struct dentry *stashed;
const struct proc_ns_operations *ops;
unsigned int inum;
refcount_t count;
union {
struct {
u64 ns_id;
struct rb_node ns_tree_node;
struct list_head ns_list_node;
};
struct rcu_head ns_rcu;
};
};
#define to_ns_common(__ns) \
_Generic((__ns), \
struct cgroup_namespace *: &(__ns)->ns, \
struct ipc_namespace *: &(__ns)->ns, \
struct mnt_namespace *: &(__ns)->ns, \
struct net *: &(__ns)->ns, \
struct pid_namespace *: &(__ns)->ns, \
struct time_namespace *: &(__ns)->ns, \
struct user_namespace *: &(__ns)->ns, \
struct uts_namespace *: &(__ns)->ns)
#endif
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