On 09/27/2016 07:42 AM, Bart Van Assche wrote:
Jens, regarding non-blk-mq mode and q_usage_counter: do you prefer that
I rework patch 8/9 such that blk_quiesce_queue() and blk_resume_queue()
are only used in blk-mq mode or are you OK with adding a
blk_queue_enter() call in get_request() and a blk_queue_exit() call to
__blk_put_request()?
(replying to my own e-mail)
Although it is easy to make q_usage_counter count non-blk-mq requests,
extending the blk_quiesce_queue() waiting mechanism to the non-blk-mq
path is non-trivial. To limit the number of changes in this patch series
I will drop the non-blk-mq changes from this patch series.
Bart.
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