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SubjectRe: [PATCH] xfstests 255: add a seek_data/seek_hole tester
On 06/29/2011 10:36 AM, Christoph Hellwig wrote:
> On Wed, Jun 29, 2011 at 10:29:02AM -0700, Sunil Mushran wrote:
>> I'm not too sure about that. Atleast not enabled by default. Most users
>> use cp to backup data. Not empty space. In this case, this empty extent
>> may not even be de-dupable.
>> Frankly I'd be happier of cp started to exploited fallocate() to create larger
>> extents before copying data into them. Atleast for the large files.
> That's what delayed allocation is for.

A feature fewer file systems support than fallocate(). ;)

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