Re: [PATCH] nvme: don't call blk_mq_{,un}quiesce_tagset when ctrl->tagset is NULL

Sagi Grimberg
2022-11-16T13:24:05Z

>>> {
>>> + if (!ctrl->tagset)
>>> + return;
>>
>> Can this be placed in the pci code instead?
>
> There's nothing PCIe-specific about this case. All fabrics drivers
> support controllers with I/O queues and thus the I/O tagset, e.g.
> discovery controllers.

All the other drivers check that they have IO queues before
quiescing/unquiescing them.