dumpling fiemap

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Am 26.09.2014 um 09:36 schrieb Haomai Wang:
> Sorry, the bug last mail reported exists in centos 6.5.
> 
> I'm not sure which kernel version solve this bug and 3.12 kernel is
> safe with fiemap on XFS

What's the advantage of fiemap? I've a vanilla 3.10.55 kernel.

Stefan

> On Fri, Sep 26, 2014 at 3:33 PM, Haomai Wang <haomaiwang at gmail.com> wrote:
>> On Fri, Sep 26, 2014 at 3:04 PM, Stefan Priebe - Profihost AG
>> <s.priebe at profihost.ag> wrote:
>>> Hi,
>>>
>>> as the documentation is very unspecific on this option i'm not sure
>>> whether we should enable or disable this one on dumpling.
>>
>> It all depends on your kernel version. For example, as I remember
>> there exists known XFS fiemap bug which will return false extent map.
>>
>> So you must ensure your kernel version with your local filesystem has
>> the right fiemap impl.
>>
>>>
>>> Greets,
>>> Stefan
>>> _______________________________________________
>>> ceph-users mailing list
>>> ceph-users at lists.ceph.com
>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>>
>>
>> --
>> Best Regards,
>>
>> Wheat
> 
> 
> 


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