Re: [PATCH] tests: fix false du failure on newer XFS

[Rasmus Borup Hansen]

On 16 Sep 2014, at 13:18, Bernhard Voelker wrote:

> On 09/16/2014 12:48 PM, Bernhard Voelker wrote:
>> So XFS really allocates 4G for a 2G file. ;-/
>> I consider this a bug in XFS - maybe on {open,}SUSE only? [...]
> 
> I filed a bug report for this, too:
> https://bugzilla.novell.com/show_bug.cgi?id=896890
> 
> Have a nice day,
> Berny
> 
> 

I haven't been following this thread closely, but I'd guess this is related to 
speculative preallocation. Check the last five questions in the XFS FAQ: 
http://xfs.org/index.php/XFS_FAQ

Best,

Rasmus

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