-extern void FASTCALL(exit_aio(struct mm_struct *mm));
-extern struct kioctx *lookup_ioctx(unsigned long ctx_id);
-extern int FASTCALL(io_submit_one(struct kioctx *ctx,
- struct iocb __user *user_iocb, struct iocb *iocb));
-
-/* semi private, but used by the 32bit emulations: */
-struct kioctx *lookup_ioctx(unsigned long ctx_id);
-int FASTCALL(io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
- struct iocb *iocb));
-
-#define get_ioctx(kioctx) do { \
- BUG_ON(atomic_read(&(kioctx)->users) <= 0); \
- atomic_inc(&(kioctx)->users); \
-} while (0)
-#define put_ioctx(kioctx) do { \
- BUG_ON(atomic_read(&(kioctx)->users) <= 0); \
- if (unlikely(atomic_dec_and_test(&(kioctx)->users))) \
- __put_ioctx(kioctx); \
-} while (0)
-
-#define in_aio() (unlikely(!is_sync_wait(current->io_wait)))
-
-/* may be used for debugging */
-#define warn_if_async() \
-do { \
- if (in_aio()) { \
- printk(KERN_ERR "%s(%s:%d) called in async context!\n", \
- __FUNCTION__, __FILE__, __LINE__); \
- dump_stack(); \
- } \
-} while (0)