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io context: fix ref counting 

Commit d9c7d394a8
("block: prevent possible io_context->refcount overflow") mistakenly
changed atomic_inc(&ioc->nr_tasks) to atomic_long_inc(&ioc->refcount).

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Li Zefan 2009-07-31 08:55:48 +02:00 committed by Jens Axboe
parent 56ad1740d9
commit cbb4f2646d
1 changed files with 1 additions and 1 deletions
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2
include/linux/iocontext.h
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@ -92,7 +92,7 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc)
* a race).
*/
if (ioc && atomic_long_inc_not_zero(&ioc->refcount)) {
atomic_long_inc(&ioc->refcount);
atomic_inc(&ioc->nr_tasks);
return ioc;
}