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#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 struct kmem_cache *fs_cachep;

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 */