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Remove struct task_struct::io_wait

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Hell knows what happened in commit 63b05203af57e7de4f3bb63b8b81d43bc196d32b
during 2.6.9 development.  Commit introduced io_wait field which remained
write-only than and still remains write-only.

Also garbage collect macros which "use" io_wait.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2007-10-18 03:04:56 -07:00
committed by Linus Torvalds
parent 9cd9a0058d
commit 6212e3a388
4 changed files with 2 additions and 34 deletions
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12
include/linux/aio.h
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@@ -232,18 +232,6 @@ int FASTCALL(io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
__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)
#define io_wait_to_kiocb(wait) container_of(wait, struct kiocb, ki_wait)
#include <linux/aio_abi.h>