On 09/24/2013 07:35 AM, Peter Lieven wrote: > Signed-off-by: Peter Lieven <p...@kamp.de> > --- > block.c | 65 > +++++++++++++++++++++++++++++++++++++++++++++++---------------- > 1 file changed, 49 insertions(+), 16 deletions(-) > > diff --git a/block.c b/block.c > index ac35cb5..580570a 100644 > --- a/block.c > +++ b/block.c > @@ -2710,32 +2710,65 @@ int coroutine_fn > bdrv_co_copy_on_readv(BlockDriverState *bs, > BDRV_REQ_COPY_ON_READ); > } >
> +
> + if (ret == -ENOTSUP) {
> + /* Fall back to bounce buffer if write zeroes is unsupported */
> + iov.iov_len = num * BDRV_SECTOR_SIZE;
Why 2 spaces?
But that's trivial.
Reviewed-by: Eric Blake <ebl...@redhat.com>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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