Re: [RFC] extending splice for copy offloading

[Miklos Szeredi]

On Fri, Sep 27, 2013 at 10:50 PM, Zach Brown <zab@xxxxxxxxxx> 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
(apparentlÃy) already allocated block.  That could be a bit
unexpected.  Do we need a fallocate extension to deal with shared
blocks?

Thanks,
Miklos
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/