On Tue, Oct 12, 2021 at 11:01:48PM +0800, Ming Lei wrote: > There are lots of unbalanced usage in nvme, such as > > 1) nvme pci: > > - nvme_dev_disable() can be called more than one times before starting > reset, so multiple nvme_stop_queues() vs. single nvme_start_queues(). > > 2) Forcibly unquiesce queues in nvme_kill_queues() even though queues > are never quiesced, and similar usage can be seen in tcp/fc/rdma too > > Once the quiesce and unquiesce are run from difference context, it becomes > not easy to audit if the two is done in pair. Yes, but I'm not sure a magic flag is really the solution here. I think we need to work on our state machine here so that this is less of a mess.
