[Bug] XFS: DIO random write + BufferIO read

[Zhi Yong Wu]

You can try the latest upstream.

On 4/8/14, Jeff Moyer <jmoyer at redhat.com> wrote:
> Zhi Yong Wu <zwu.kernel at gmail.com> writes:
>
>> HI
>>
>> When i try something on XFS filesytem, i hit one issue as below:
>>
>> One main task create multiple threads at first, Then it will dio
>> random write some files with random offset and length for each thread.
>> When those files get ready, those multiple threads will bufferio read
>> them and check if the data are same as their corresponding buffer. In
>> theory, they should be same, but the actual result isn't what we
>> expect
>>
>> By the way, i did the same try on ext3 filesystem, but didn't get any
>> such issue.
>
> What kernel version?
>
> Cheers,
> Jeff
>


-- 
Regards,

Zhi Yong Wu