This source file includes following definitions.
- get_fs_root
- get_fs_pwd
1
2 #ifndef _LINUX_FS_STRUCT_H
3 #define _LINUX_FS_STRUCT_H
4
5 #include <linux/path.h>
6 #include <linux/spinlock.h>
7 #include <linux/seqlock.h>
8
9 struct fs_struct {
10 int users;
11 spinlock_t lock;
12 seqcount_t seq;
13 int umask;
14 int in_exec;
15 struct path root, pwd;
16 } __randomize_layout;
17
18 extern struct kmem_cache *fs_cachep;
19
20 extern void exit_fs(struct task_struct *);
21 extern void set_fs_root(struct fs_struct *, const struct path *);
22 extern void set_fs_pwd(struct fs_struct *, const struct path *);
23 extern struct fs_struct *copy_fs_struct(struct fs_struct *);
24 extern void free_fs_struct(struct fs_struct *);
25 extern int unshare_fs_struct(void);
26
27 static inline void get_fs_root(struct fs_struct *fs, struct path *root)
28 {
29 spin_lock(&fs->lock);
30 *root = fs->root;
31 path_get(root);
32 spin_unlock(&fs->lock);
33 }
34
35 static inline void get_fs_pwd(struct fs_struct *fs, struct path *pwd)
36 {
37 spin_lock(&fs->lock);
38 *pwd = fs->pwd;
39 path_get(pwd);
40 spin_unlock(&fs->lock);
41 }
42
43 extern bool current_chrooted(void);
44
45 #endif