Re: copy offload support in Linux - new system call needed?

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On 12/14/2011 11:59 AM, Jeremy Allison wrote:
>>
>> Can we resurrect this effort? Is copyfile() still a good way to go,
>> or should we look at other hooks?
> 
> Windows uses a COPYCHUNK call, which specifies the
> following parameters:
> 
> Definition of a copy "chunk":
> 
> hyper source_off;
> hyper target_off;
> uint32 length;
> 
> and an array of these chunks which is passed
> into their kernel.
> 
> This is what we have to implement in Samba.
> 

Could we do this by (re-)allowing sendfile() between two files?

	-hpa

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