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SubjectRe: [PATCH v2 2/7] block: rewrite __bio_copy_iov()
Hi Christoph,

On 16.01.2015 03:31, Christoph Hellwig wrote:
> On Thu, Jan 15, 2015 at 10:18:17AM -0800, Christoph Hellwig wrote:
> > This breaks booting a simple KVM VM for me:
> Seems like the issue actually is in the patch before this one, but
> only shows up with this one applied.
> The root cause is that we only copy the iov_iter, but not the
> actual iovecs into the bio_map_data.
> I have a fixed series, which I'll send out together with various
> related cleanups ASAP.

Thanks for testing it and finding out the root cause.
Strange, I haven't never seen the bug.
Maybe I'd have to test it also with virtio-scsi, which I don't do usually.

Dongsu


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