Re: [Qemu-devel] [PATCH v9 08/56] Add qemu_get_buffer_in_place to avoid copies some of the time

[Juan Quintela]

"Dr. David Alan Gilbert (git)" <address@hidden> wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> qemu_get_buffer always copies the data it reads to a users buffer,
> however in many cases the file buffer inside qemu_file could be given
> back to the caller, avoiding the copy.  This isn't always possible
> depending on the size and alignment of the data.
>
> Thus 'qemu_get_buffer_in_place' either copies the data to a supplied
> buffer or updates a pointer to the internal buffer if convenient.
>
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>

Reviewed-by: Juan Quintela <address@hidden>