[PATCH v3 3/3] nvme: document the service-time iopolicy sysfs attributes

Guixin Liu kanie at linux.alibaba.com
Sun Oct 25 19:09:07 PDT 2026



在 2026/10/24 18:37, Martin George 写道:
> On Fri, 2026-10-23 at 15:02 +0800, Guixin Liu wrote:
>>  		Shows or sets the multipath I/O path selection
>> policy for
>>  		this subsystem. Accepted values: "numa", "round-
>> robin",
>> -		"queue-depth". Changing the policy clears all
>> current path
>> -		selections. Only available when
>> CONFIG_NVME_MULTIPATH is
>> -		enabled.
>> +		"queue-depth", "service-time". Changing the policy
>> clears
>> +		all current path selections. Only available when
>> +		CONFIG_NVME_MULTIPATH is enabled.
>>  
>>  What:		/sys/class/nvme-subsystem/nvme-subsysX/subsystype
>>  Date:		September 2021
> Same nit as before. Looks like only the iopolicy documentation is
> updated above with the new 'service-time' policy, but not the
> iopolicies documentation. Have you drafted these patches against the
> latest nvme-7.4 branch itself?
>
> -Martin
Sorry, my bad, I didn't understand your true meaning before, I will
rebase my branch to nvme-7.4, and add an another patch for iopolicies.

Best Regards,
Guixin Liu




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