Re: [PATCH v3 0/6] Handle update hardware queues and queue freeze more carefully

[Daniel Wagner]

On Tue, Jul 20, 2021 at 02:48:00PM +0200, Daniel Wagner wrote:
> On Tue, Jul 20, 2021 at 02:43:47PM +0200, Daniel Wagner wrote:
> > v1:
> >  - https://lore.kernel.org/linux-nvme/20210625101649.49296-1-dwagner@xxxxxxx/
> > v2:
> >  - https://lore.kernel.org/linux-nvme/20210708092755.15660-1-dwagner@xxxxxxx/
> >  - reviewed tags collected
> >  - added 'update hardware queues' for all transport
> >  - added fix for fc hanger in nvme_wait_freeze_timeout
> > v3:
> >  - dropped 'nvme-fc: Freeze queues before destroying them'
> >  - added James' two patches
> 
> Forgot to add Hannes' reviewed tag. Sorry!

FTR, I've tested the 'prior_ioq_cnt != nr_io_queues' case. In this
scenario the series works. Though in the case of 'prior_ioq_cnt ==
nr_io_queues' I see hanging I/Os.