Am 11.01.2013 15:40, schrieb Stefan Hajnoczi:
> On Fri, Jan 11, 2013 at 02:28:17PM +0100, Paolo Bonzini wrote:
>> Il 11/01/2013 13:34, Stefan Hajnoczi ha scritto:
>>> +iov = &bounce_iov;
>>> +iov_cnt = 1;
>>> +
>>> +if (read) {
>>> +/* Need to copy back from boun
On Fri, Jan 11, 2013 at 02:28:17PM +0100, Paolo Bonzini wrote:
> Il 11/01/2013 13:34, Stefan Hajnoczi ha scritto:
> > +iov = &bounce_iov;
> > +iov_cnt = 1;
> > +
> > +if (read) {
> > +/* Need to copy back from bounce buffer on completion */
> > +read_
Il 11/01/2013 13:34, Stefan Hajnoczi ha scritto:
> +iov = &bounce_iov;
> +iov_cnt = 1;
> +
> +if (read) {
> +/* Need to copy back from bounce buffer on completion */
> +read_qiov = g_slice_new(QEMUIOVector);
> +qemu_iovec_init(read_qiov, i
O_DIRECT on Linux has alignment requirements on I/O buffers and
misaligned requests result in -EINVAL. The Linux virtio_blk guest
driver usually submits aligned requests so I forgot to handle misaligned
requests.
It turns out that virtio-win guest drivers submit misaligned requests.
Handle them u
