1 #ifndef _LINUX_FS_STRUCT_H 2 #define _LINUX_FS_STRUCT_H 3 4 #include <linux/path.h> 5 6 struct fs_struct { 7 atomic_t count; 8 rwlock_t lock; 9 int umask; 10 struct path root, pwd, altroot; 11 }; 12 13 #define INIT_FS { \ 14 .count = ATOMIC_INIT(1), \ 15 .lock = RW_LOCK_UNLOCKED, \ 16 .umask = 0022, \ 17 } 18 19 extern struct kmem_cache *fs_cachep; 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 path *); 24 extern void set_fs_pwd(struct fs_struct *, struct path *); 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 */ 29