Re: [Xen-devel] [PATCH 22/29] tools/libxl: Allow limiting amount copied by datacopier

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2014-09-11 at 13:23 +0100, Ross Lagerwall wrote:
> On 09/11/2014 01:02 PM, Ian Campbell wrote:
> > On Wed, 2014-09-10 at 18:11 +0100, Andrew Cooper wrote:
> >> From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
> >>
> >> Add a parameter, maxread, to limit the amount of data read from the
> >> source fd of a datacopier.
> >
> > Why is this useful?
> >
> 
> It is useful for splicing _part_ of a stream from one fd to another 
> rather than splicing the whole stream.  i.e. it is used in this series 
> for writing out the emulator context part of the libxl stream to a qemu 
> save file.

Thanks, again this should be part of the ocmmit message.



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