Messages in this thread Patch in this message | | | Date | Fri, 16 Mar 2012 11:04:40 +0800 | From | Wang Sheng-Hui <> | Subject | [PATCH] btrfs/async-thread.c: decrease workers->num_workers only on worker can be freed in btrfs_stop_workers |
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If the worker cannot be freed, decrease workers->num_workers can corrupt the statistics. The workers->num_workers should be decreased only when the worker can be stopped and freed in btrfs_stop_workers.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com> --- fs/btrfs/async-thread.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 0cc20b3..5a7d756 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -413,9 +413,9 @@ int btrfs_stop_workers(struct btrfs_workers *workers) worker_list); atomic_inc(&worker->refs); - workers->num_workers -= 1; if (!list_empty(&worker->worker_list)) { list_del_init(&worker->worker_list); + workers->num_workers--; put_worker(worker); can_stop = 1; } else -- 1.7.1
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