On Wed, 9 Sep 2015, Mohana Goli wrote: > Keith, > > Don't we need to take a queue spin lock while processing the IOs on > each request queue like the way we are doing in nvme_clear_queue ? > > > >>>blk_mq_all_tag_busy_iter(hctx->tags, > nvme_cancel_queue_ios, > hctx->driver_data); You're right, thanks for the catch.