On Thu, Nov 10 2005, Tejun Heo wrote:
> This patch adds request_queue->nr_sorted which keeps the number of
> requests in the iosched and implement elv_drain_elevator which
> performs forced dispatching. elv_drain_elevator checks whether
> iosched actually dispatches all requests it has and prints error
> message if it doesn't. As buggy forced dispatching can result in
> wrong barrier operations, I think this extra check is worthwhile.
Yeah I agree, especially as it's potentially data integrity violating
with this kind of bug. Applied.
--
Jens Axboe
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