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nsfs: add nsfs.h header

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And move the stuff out from proc_ns.h where it really doesn't belong.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2025-09-12 13:52:29 +02:00
parent e3e1812f8e
commit 9296f46a96
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
2 changed files with 27 additions and 12 deletions
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26
include/linux/nsfs.h Normal file
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@ -0,0 +1,26 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2025 Christian Brauner <brauner@kernel.org> */
#ifndef _LINUX_NSFS_H
#define _LINUX_NSFS_H
#include <linux/ns_common.h>
struct path;
struct task_struct;
struct proc_ns_operations;
int ns_get_path(struct path *path, struct task_struct *task,
const struct proc_ns_operations *ns_ops);
typedef struct ns_common *ns_get_path_helper_t(void *);
int ns_get_path_cb(struct path *path, ns_get_path_helper_t ns_get_cb,
void *private_data);
bool ns_match(const struct ns_common *ns, dev_t dev, ino_t ino);
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 */

13
include/linux/proc_ns.h
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@ -5,7 +5,7 @@
#ifndef _LINUX_PROC_NS_H
#define _LINUX_PROC_NS_H
#include <linux/ns_common.h>
#include <linux/nsfs.h>
#include <uapi/linux/nsfs.h>
struct pid_namespace;
@ -75,16 +75,5 @@ static inline int ns_alloc_inum(struct ns_common *ns)
#define ns_free_inum(ns) proc_free_inum((ns)->inum)
#define get_proc_ns(inode) ((struct ns_common *)(inode)->i_private)
extern int ns_get_path(struct path *path, struct task_struct *task,
const struct proc_ns_operations *ns_ops);
typedef struct ns_common *ns_get_path_helper_t(void *);
extern int ns_get_path_cb(struct path *path, ns_get_path_helper_t ns_get_cb,
void *private_data);
extern bool ns_match(const struct ns_common *ns, dev_t dev, ino_t ino);
extern int ns_get_name(char *buf, size_t size, struct task_struct *task,
const struct proc_ns_operations *ns_ops);
extern void nsfs_init(void);
#endif /* _LINUX_PROC_NS_H */