Re: [Xen-devel] [PATCH v3 4/6] tools/libxl: Allow limiting amount copied by datacopier

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Mon, 2015-03-16 at 13:29 +0000, Ross Lagerwall wrote:
> Currently, a datacopier will unconditionally read until EOF on its read fd.
> 
> For migration v2, libxl needs to read records of a specific length out of the
> migration stream, without reading any further data.
> 
> Introduce a parameter, bytes_to_read, which may be used to stop the datacopier
> ahead of reaching EOF. If bytes_to_read is set to -1, then the datacopier will
> read until EOF.
> 
> Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
> [Rewrite commit message]
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Acked-by: Ian Campbell <Ian.Campbell@xxxxxxxxxx>



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