Messages in this thread | | | Date | Fri, 4 Nov 2011 07:38:11 -0700 | Subject | Re: [PATCH block/for-next] block: don't call blk_drain_queue() if elevator is not up | From | Tejun Heo <> |
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Hello,
On Fri, Nov 4, 2011 at 2:40 AM, Stefan Richter <stefanr@s5r6.in-berlin.de> wrote: >> /* @q won't process any more request, flush async actions */ >> del_timer_sync(&q->backing_dev_info.laptop_mode_wb_timer); > > What prevents elevator_attach to be called and requests to be inserted > between 'if (q-elevator)' and 'blk_put_queue(q)'?
The fact that the queue owner has called blk_cleaup_queue()?
Thanks.
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