[deliverable/linux.git] / include / linux / fs_struct.h

#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 *);

#endif /* _LINUX_FS_STRUCT_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_FS_STRUCT_H
	2	#define _LINUX_FS_STRUCT_H
	3
6ac08c39	4	#include <linux/path.h>
1da177e4 LT	5
1da177e4 LT	6	struct fs_struct {
795e2fe0 DH	7	atomic_t count; /* This usage count is used by check_unsafe_exec() for
	8	* security checking purposes - therefore it may not be
	9	* incremented, except by clone(CLONE_FS).
	10	*/
1da177e4 LT	11	rwlock_t lock;
1da177e4 LT	12	int umask;
7f2da1e7	13	struct path root, pwd;
1da177e4 LT	14	};
1da177e4 LT	15
aa362a83 CL	16	extern struct kmem_cache *fs_cachep;
aa362a83 CL	17
1da177e4	18	extern void exit_fs(struct task_struct *);
ac748a09 JB	19	extern void set_fs_root(struct fs_struct , struct path );
ac748a09 JB	20	extern void set_fs_pwd(struct fs_struct , struct path );
1da177e4 LT	21	extern struct fs_struct copy_fs_struct(struct fs_struct );
	22	extern void put_fs_struct(struct fs_struct *);
	23
	24	#endif /* _LINUX_FS_STRUCT_H */