On Wed, Oct 11 2006, Vasily Tarasov wrote:
> elv_iosched_show function iterates other elv_list,
> hence elv_list_lock should be got.
Indeed, that's a bug. Thanks!
> Also the question is: in elv_iosched_show, elv_iosched_store
> q->elevator->elevator_type construction is used without locking
> q->queue_lock. Is it expected?..
As long as the queue doesn't go away, we should be safe enough.
--
Jens Axboe
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