[PATCH v6 3/3] nvme-fc: Remove freeze/unfreeze around update_nr_hw_queues
James Smart
james.smart at broadcom.com
Wed Aug 25 09:03:58 PDT 2021
On 8/25/2021 6:04 AM, Daniel Wagner wrote:
> On Tue, Aug 24, 2021 at 01:38:20PM -0700, Sagi Grimberg wrote:
>>> freeze before calling update_hr_hw_queues". It's not an exact revert as
>>> it leaves the adjusting of hw queues only if the count changes.
>> I see that fc doesn't freeze the queues, so it obviously wrong to
>> unfreeze them. But is it correct to not freeze the queues?
> nvme-fc is draining the queues in the error recovery path
> (__nvme_fc_abort_outstanding_ios). There are no request in the queues
> hence we don't have to freeze.
>
> The only reason to keep the freeze/unfreeze in this path would be to
> make it look alike the other transport. But it would be a no-op.
Yep.
And updated commit is : 88e837ed0f1f
-- james
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