Re: [rdiff-backup-users] Does rdiff implement kernel specific optimizations?

[Greg Freemyer]

On Tue, Jan 6, 2009 at 7:30 PM, Andrew Ferguson <address@hidden> wrote:
> On Jan 6, 2009, at 7:16 PM, Greg Freemyer wrote:
>>
>> I just came across tee() and splice().  They were introduced in
>> 2.6.17, so relatively new, but not that new.
>>
>> http://linux.die.net/man/2/tee
>> http://linux.die.net/man/2/splice
>>
>> They allow data to be copied from one file descriptor to another
>> without the data coming into userspace.
>
>
> Until the rsync algorithm is implemented in kernelspace, the file data will
> have to be in userspace in order to be useful to rdiff-backup. :-)
>
I forgot about that aspect.  I was just trying to think of a tool I
use that could benefit from these new syscalls.

Greg
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