On Wed, Oct 19, 2022 at 09:25:35AM +0200, Christoph Hellwig wrote: > Yes, the only multiple request_queue per tag_set cases right now > are nvme-tcp and mmc. There have been patches from iSCSI, but they > seem to be stuck. ... and looking at the only blk_mq_quiesce_queue caller in mmc, it would benefit from a tagset-wide quiesce after a bit of refactoring as well.