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aio: remove unused field

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Don't know the reason, but it appears ki_wait field of iocb never gets used.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Zach Brown <zach.brown@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Shaohua Li
2009-12-15 16:47:47 -08:00
committed by Linus Torvalds
parent ea58ceb543
commit fac046ad0b
2 changed files with 2 additions and 42 deletions
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4
include/linux/aio.h
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@@ -102,7 +102,6 @@ struct kiocb {
} ki_obj;
__u64 ki_user_data; /* user's data for completion */
wait_queue_t ki_wait;
loff_t ki_pos;
void *private;
@@ -140,7 +139,6 @@ struct kiocb {
(x)->ki_dtor = NULL; \
(x)->ki_obj.tsk = tsk; \
(x)->ki_user_data = 0; \
init_wait((&(x)->ki_wait)); \
} while (0)
#define AIO_RING_MAGIC 0xa10a10a1
@@ -223,8 +221,6 @@ struct mm_struct;
static inline void exit_aio(struct mm_struct *mm) { }
#endif /* CONFIG_AIO */
#define io_wait_to_kiocb(wait) container_of(wait, struct kiocb, ki_wait)
static inline struct kiocb *list_kiocb(struct list_head *h)
{
return list_entry(h, struct kiocb, ki_list);