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SubjectRe: [PATCH v5 0/5] AIO add per-command iopriority
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On 5/21/18 1:57 PM, Jeff Moyer wrote:
> Hi, Adam,
>
> adam.manzanares@wdc.com writes:
>
>> From: Adam Manzanares <adam.manzanares@wdc.com>
>>
>> This is the per-I/O equivalent of the ioprio_set system call.
>> See the following link for performance implications on a SATA HDD:
>> https://lkml.org/lkml/2016/12/6/495
>>
>> First patch factors ioprio_check_cap function out of ioprio_set system call to
>> also be used by the aio ioprio interface.
>>
>> Second patch converts kiocb ki_hint field to a u16 to avoid kiocb bloat.
>>
>> Third patch passes ioprio hint from aio iocb to kiocb and inititalizes kiocb
>> ioprio value appropriately when it is not explicitly set.
>>
>> Fourth patch enables the feature for blkdev.
>>
>> Fifth patch enables the feature for iomap direct IO
>>
>> Note: this work is based on top of linux-vfs/for-next
>
> I'll cook up a libaio test case. Can you put together a man-pages
> update for this?

Hello Jeff,

I'll send out a man-pages update soon.

Thanks,
Adam

>
> Thanks!
> Jeff
>
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