On Wed, 23 Nov 2016, Olaf Hering wrote:
> The guest sends discard requests as u64 sector/count pairs, but the
> block layer operates internally with s64/s32 pairs. The conversion
> leads to IO errors in the guest, the discard request is not processed.
>
> domU.cfg:
> 'vdev=xvda, format=qcow2,
On Wed, Nov 23, 2016 at 10:39:12AM +, Olaf Hering wrote:
> The guest sends discard requests as u64 sector/count pairs, but the
> block layer operates internally with s64/s32 pairs. The conversion
> leads to IO errors in the guest, the discard request is not processed.
>
> domU.cfg:
> 'vdev
The guest sends discard requests as u64 sector/count pairs, but the
block layer operates internally with s64/s32 pairs. The conversion
leads to IO errors in the guest, the discard request is not processed.
domU.cfg:
'vdev=xvda, format=qcow2, backendtype=qdisk, target=/x.qcow2'
domU:
mkfs.e