Re: [RFC] extending splice for copy offloading

Miklos Szeredi
2013-09-28T05:49:49Z

On Fri, Sep 27, 2013 at 10:50 PM, Zach Brown <zab@redhat.com> wrote:
>> Also, I don't get the first option above at all. The argument is that
>> it's safer to have more copies? How much safety does another copy on
>> the same disk really give you? Do systems that do dedup provide
>> interfaces to turn it off per-file?

I don't see the safety argument very compelling either. There are
real semantic differences, however: ENOSPC on a write to a
(apparentlíy) already allocated block. That could be a bit
unexpected. Do we need a fallocate extension to deal with shared
blocks?

Thanks,
Miklos