On Fri, May 23, 2025 at 10:20:35AM +0200, Damien Le Moal wrote: > > Looking into this deeper, the regular mq path actually likely has the same issue > since it will call blk_queue_enter() if we do not have a cached request. So this > solution is only partial and not good enough. We need something else. The bio_zone_write_plugging case in blk_mq_submit_bio always reused the existing queue reference.