[libvirt] [PATCH] libxl: add discard support to libxl_device_disk
olaf at aepfle.de
Mon Jul 7 14:08:21 UTC 2014
On Mon, Jul 07, Daniel P. Berrange wrote:
> IIUC, this is not about the underlying storage, but about whether the
> hypervisor API supports the discard setting. The libvirt policy is to
> always raise VIR_ERR_CONFIG_UNSUPPORTED and return failure to the app
> if they request a setting that the hypervisor does not support. Whether
> discard is critical or not really depends on your POV, so it is better
> not to make such assumptions on behalf of the mgmt app.
So how should the code path error out in this case?
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