Re: [Qemu-devel] [PATCH] Align file accesses with cache=off (O_DIRECT)

[Blue Swirl]

On 5/6/08, Kevin Wolf <address@hidden> wrote:
> Blue Swirl schrieb:
>
> > Well, the patch looks OK. But I try to test the patches before I
> > commit and for this I don't know how. Could you give some example test
> > cases?
> >
>
>  If you want to test that the patch fixes what it promises you only have to
> create a qcow or qcow2 image and start qemu with cache=off for this image.
> This will fail without the patch, and it should work with the patch applied.
> This covers the simple case. For the aio part of the patch you can try
> saving/loading of snapshots. Normal qcow2 operation doesn't trigger the aio
> code path.

Thanks, it seems to work.