Release 4.16 include/linux/fs_struct.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_FS_STRUCT_H

#define _LINUX_FS_STRUCT_H

#include <linux/path.h>
#include <linux/spinlock.h>
#include <linux/seqlock.h>


struct fs_struct {
	
int users;
	
spinlock_t lock;
	
seqcount_t seq;
	
int umask;
	
int in_exec;
	

struct path root, pwd;

} __randomize_layout;

extern struct kmem_cache *fs_cachep;

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



static inline void get_fs_root(struct fs_struct *fs, struct path *root)
{
	spin_lock(&fs->lock);
	*root = fs->root;
	path_get(root);
	spin_unlock(&fs->lock);
}

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static inline void get_fs_pwd(struct fs_struct *fs, struct path *pwd)
{
	spin_lock(&fs->lock);
	*pwd = fs->pwd;
	path_get(pwd);
	spin_unlock(&fs->lock);
}

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extern bool current_chrooted(void);

#endif /* _LINUX_FS_STRUCT_H */
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Linus Torvalds (pre-git)
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33.33%
3
18.75%
Al Viro
15
7.04%
3
18.75%
Nicholas Piggin
14
6.57%
2
12.50%
Eric W. Biedermann
7
3.29%
1
6.25%
Christoph Hellwig
6
2.82%
1
6.25%
Christoph Lameter
6
2.82%
1
6.25%
Jan Blunck
6
2.82%
2
12.50%
Greg Kroah-Hartman
1
0.47%
1
6.25%
Kees Cook
1
0.47%
1
6.25%
Total
213
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16
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Directory: include/linux

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