From cbb4f2646d77b536ed2b1500ef6641083228ed8f Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Fri, 31 Jul 2009 08:55:48 +0200
Subject: [PATCH] io context: fix ref counting

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@cn.fujitsu.com>
Acked-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 include/linux/iocontext.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index dd05434fa45..4da4a75c3f1 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;
 	}
 
-- 
2.20.1