[PATCH] io context: fix ref counting

From: Li Zefan
Date: Fri Jul 31 2009 - 01:29:55 EST


Commit d9c7d394a8ebacb60097b192939ae9f15235225e
("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@xxxxxxxxxxxxxx>
---
include/linux/iocontext.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index dd05434..4da4a75 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -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;
}

--
1.6.3
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