Re: [PATCHv2 2/5] target/user: Add global data block pool support

[Andy Grover <agrover@redhat.com>]

On 03/17/2017 01:04 AM, Xiubo Li wrote:
> [...]
>> These days what I have gotten is that the unmap_mapping_range() could
>> be used.
>> At the same time I have deep into the mm code and fixed the double
>> usage of
>> the data blocks and possible page fault call trace bugs mentioned above.
>>
>> Following is the V3 patch. I have test this using 4 targets & fio for
>> about 2 days, so
>> far so good.
>>
>> I'm still testing this using more complex test case.
>>
> I have test it the whole day today:
> - using 4 targets
> - setting TCMU_GLOBAL_MAX_BLOCKS = [512 1K 1M 1G 2G]
> - each target here needs more than 450 blocks when running
> - fio: -iodepth [1 2 4 8 16] -thread -rw=[read write] -bs=[1K 2K 3K 5K
> 7K 16K 64K 1M] -size=20G -numjobs=10 -runtime=1000  ...

Hi Xiubo,

V3 is sounding very good. I look forward to reviewing it after it is posted.

Thanks -- Regards -- Andy

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