On 12/06/2013 10:22 AM, Kevin Wolf wrote: > For an O_DIRECT request to succeed, it's not only necessary that all > base addresses in the qiov are aligned, but also that each lengh in it
s/lengh/length/
> is aligned.
>
> Signed-off-by: Kevin Wolf <kw...@redhat.com>
> ---
> block.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/block.c b/block.c
> index 382ea71..613201b 100644
> --- a/block.c
> +++ b/block.c
> @@ -4349,6 +4349,9 @@ bool bdrv_qiov_is_aligned(BlockDriverState *bs,
> QEMUIOVector *qiov)
> if ((uintptr_t) qiov->iov[i].iov_base % bs->buffer_alignment) {
> return false;
> }
> + if (qiov->iov[i].iov_len % bs->buffer_alignment) {
> + return false;
> + }
> }
>
> return true;
>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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