Re: [Xen-devel] [PATCH 23/29] tools/libxl: Extend datacopier to support reading into a buffer

[Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>]

On 09/11/2014 01:03 PM, Ian Campbell wrote:
> On Wed, 2014-09-10 at 18:11 +0100, Andrew Cooper wrote:
> > From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
> >
> > Implement a read-only mode for libxl__datacopier.
> Read-only in the sense that it only reads, or in the sense that one may
> only read from it?
It only reads rather than reading and writing.

> What is the purpose of this mode?
>
> Where does the data go?
This mode allows data from an fd to be read into memory using libxl's 
async framework. The data goes into the user-allocated 
libxl__datacopier_state.readbuf.
Regards
--
Ross Lagerwall

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