On 07/05/2011 01:25 AM, Hu Tao wrote:
> Add --cache option to allow user to specify cache mode of disk device
> from virsh command line when attaching a disk device.
> ---
> tools/virsh.c | 10 ++++++++--
> tools/virsh.pod | 5 +++--
> 2 files changed, 11 insertions(+), 4 deletions(-)
>
> diff --git a/tools/virsh.c b/tools/virsh.c
> index 9a189fd..cab5a35 100644
> --- a/tools/virsh.c
> +++ b/tools/virsh.c
> @@ -10176,6 +10176,7 @@ static const vshCmdOptDef opts_attach_disk[] = {
> {"target", VSH_OT_DATA, VSH_OFLAG_REQ, N_("target of disk device")},
> {"driver", VSH_OT_STRING, 0, N_("driver of disk device")},
> {"subdriver", VSH_OT_STRING, 0, N_("subdriver of disk device")},
> + {"cache", VSH_OT_STRING, 0, N_("cache mode of disk device")},Nice. > > + ignore_value(vshCommandOptString(cmd, "cache", &cache)); Not so nice. --cache '' will make vshCommandOptString return -1, because that usage is a virsh usage error and should be diagnosed as such up front, rather than accidentally passing cache='' through the XML to the libvirt API. Patch 2/3 shares the same problem. And since all three patches are touching the same 'virsh attach-disk' command, I'd be fine if you wanted to squash them into a single patch for v2. -- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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