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

#ifndef _LINUX_FS_STRUCT_H
#define _LINUX_FS_STRUCT_H

struct dentry;
struct vfsmount;

struct fs_struct {
	atomic_t count;
	rwlock_t lock;
	int umask;
	struct dentry * root, * pwd, * altroot;
	struct vfsmount * rootmnt, * pwdmnt, * altrootmnt;
};

#define INIT_FS {				\
	.count		= ATOMIC_INIT(1),	\
	.lock		= RW_LOCK_UNLOCKED,	\
	.umask		= 0022, \
}

extern void exit_fs(struct task_struct *);
extern void set_fs_altroot(void);
extern void set_fs_root(struct fs_struct *, struct vfsmount *, struct dentry *);
extern void set_fs_pwd(struct fs_struct *, struct vfsmount *, struct dentry *);
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
	4	struct dentry;
	5	struct vfsmount;
	6
	7	struct fs_struct {
	8	atomic_t count;
	9	rwlock_t lock;
	10	int umask;
	11	struct dentry * root, * pwd, * altroot;
	12	struct vfsmount * rootmnt, * pwdmnt, * altrootmnt;
	13	};
	14
	15	#define INIT_FS { \
	16	.count = ATOMIC_INIT(1), \
	17	.lock = RW_LOCK_UNLOCKED, \
	18	.umask = 0022, \
	19	}
	20
	21	extern void exit_fs(struct task_struct *);
	22	extern void set_fs_altroot(void);
	23	extern void set_fs_root(struct fs_struct , struct vfsmount , struct dentry *);
	24	extern void set_fs_pwd(struct fs_struct , struct vfsmount , struct dentry *);
	25	extern struct fs_struct copy_fs_struct(struct fs_struct );
	26	extern void put_fs_struct(struct fs_struct *);
	27
	28	#endif /* _LINUX_FS_STRUCT_H */