Re: [PATCH] Btrfs: allocate the free space by the existed max extent size when ENOSPC

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On Tue, 17 Sep 2013 15:13:12 +0200, David Sterba wrote:
> On Mon, Sep 09, 2013 at 02:21:58PM +0800, Miao Xie wrote:
>> On fri, 06 Sep 2013 15:47:08 +0200, Stefan Behrens wrote:
>>> This patch makes the xfstest generic/256 lock up. It's quite
>>> reliably reproducible on one of my test boxes, and not at all
>>> visible on a second test box.
>>>
>>> And yes, I'm using the V2 patch although you haven't tagged it as V2
>>> in the subject line of the mail :)
>>
>> According to my debug, the machine was not locked up, it seems the
>> patch makes the test run very slow(90s ->850s on my machine).
> 
> The massive slowdown is present in current 3.12-rc code, which means V3
> did not make it into the pull.
> 
> Miao please send an incremental fix for rc2.

This patch has not been merged into 3.12-rc, so the above problem should be
introduced by other patch.

Thanks
Miao

> 
> thanks,
> david
> 

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