[libvirt] [PATCH] Don't check volume format for lvm backing store

[Daniel P. Berrange]

On Thu, Feb 12, 2009 at 02:37:33PM -0500, Cole Robinson wrote:
> With the recently added COW support, we were trying to validate the
> passed logical volume's format, when there won't ever be one pulled from
> the xml (logical volumes don't have any valid format values).
> 
> Just remove this check, and let any validation in this manner be done by
> the actual call to 'lvcreate'.

Oh, I got this the wrong way around - I was thinking that the
VIR_STORAGE_POOL_LOGICAL_LVM2 was the volume type, but its 
actually the pool type. 

> diff --git a/src/storage_backend_logical.c b/src/storage_backend_logical.c
> index 702a191..cbd2765 100644
> --- a/src/storage_backend_logical.c
> +++ b/src/storage_backend_logical.c
> @@ -582,12 +582,6 @@ virStorageBackendLogicalCreateVol(virConnectPtr conn,
>      const char **cmdargv = cmdargvnew;
>  
>      if (vol->backingStore.path) {
> -        if (vol->backingStore.format !=
> -            VIR_STORAGE_POOL_LOGICAL_LVM2) {
> -            virStorageReportError(conn, VIR_ERR_INTERNAL_ERROR, "%s",
> -                                  _("LVM snapshots must be backed by another LVM volume"));
> -            return -1;
> -        }
>          cmdargv = cmdargvsnap;
>      }


ACK

Daniel
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