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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-07-31 08:55:48 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-07-31 08:55:48 +0200 |
| commit | cbb4f2646d77b536ed2b1500ef6641083228ed8f (patch) | |
| tree | e238098c2239ca1a2ec978858f63566d0281d49a /include/linux/iocontext.h | |
| parent | 56ad1740d9a8dc271e71fee234be662638c64458 (diff) | |
| download | lwn-cbb4f2646d77b536ed2b1500ef6641083228ed8f.tar.gz lwn-cbb4f2646d77b536ed2b1500ef6641083228ed8f.zip | |
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>
Diffstat (limited to 'include/linux/iocontext.h')
| -rw-r--r-- | 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 dd05434fa45f..4da4a75c3f1e 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; } |