On Tue, Feb 20, 2018 at 11:56:07AM +0200, Max Gurtovoy wrote: > hi all, > is there a way to drain a blk-mq based request queue (similar to > blk_drain_queue for non MQ) ? I _think_ you can do a echo run > /sys/kernel/debug/block/nvmeXnX/hctxX/state and that should trigger it. Hope that helps. Byte, Johannes -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850