Re: Copy on write hard links?

[richard -rw- weinberger]

On Wed, Sep 25, 2013 at 4:28 PM, Thomas Meyer <thomas@xxxxxxxx> wrote:
> Am Mittwoch, den 25.09.2013, 08:59 -0500 schrieb Rob Landley:
>> On 09/24/2013 01:36:56 PM, Thomas Meyer wrote:
>> > Hi,
>> >
>> > Is there such a thing?
>>
>> In the kernel's vfs layer?
>
> Yes, that would be a nice feature!

You mean reflinks?
Currently only OCFS2 and btrfs support them.
Both using a fs specific ioctl().
IIRC GNU cp uses the btrfs specific one if the --reflink parameter is used.

-- 
Thanks,
//richard
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