Re: [PATCH v2 1/2] blk-mq: add tagset quiesce interface

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iscsi defers network sends to a workqueue anyways, and no scsi lld sets
BLK_MQ_F_BLOCKING.

Yes, but Mike had a series to implement a similar fast path as nvme-tcp
as while ago that included supporting BLK_MQ_F_BLOCKING in the scsi
midlayer.

Hmmm, didn't see that, pointer?

https://www.spinics.net/lists/linux-scsi/msg170849.html

Nice.

  We'll also need it to convert the paride drivers to libata,
but those are single request_queue per tag_set as far as I know.

didn't see paride even attempting to quiesce...

The block layer might.  But it really does not matter for our
considerations here..

Right.



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