aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/fs_struct.h
blob: 298cef1c079331dda1469752e803b19f6f89423e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
#ifndef _LINUX_FS_STRUCT_H
#define _LINUX_FS_STRUCT_H

#include <linux/path.h>

struct fs_struct {
	atomic_t count;	/* This usage count is used by check_unsafe_exec() for
			 * security checking purposes - therefore it may not be
			 * incremented, except by clone(CLONE_FS).
			 */
	rwlock_t lock;
	int umask;
	struct path root, pwd;
};

extern struct kmem_cache *fs_cachep;

extern void exit_fs(struct task_struct *);
extern void set_fs_root(struct fs_struct *, struct path *);
extern void set_fs_pwd(struct fs_struct *, struct path *);
extern struct fs_struct *copy_fs_struct(struct fs_struct *);
extern void put_fs_struct(struct fs_struct *);
extern void daemonize_fs_struct(void);
extern int unshare_fs_struct(void);

#endif /* _LINUX_FS_STRUCT_H */