include/linux/fs_struct.h

   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 */