Re: [Qemu-devel] [PATCH V7 1/2] Implement sync modes for drive-backup.

[Paolo Bonzini]

Il 26/07/2013 03:09, Ian Main ha scritto:
> +    /* See if we have a backing HD we can use to create our new image
> +     * on top of. */
> +    source = bs->backing_hd;
> +    if (!source && sync == MIRROR_SYNC_MODE_TOP) {
> +        sync = MIRROR_SYNC_MODE_FULL;
> +    }
> +

I understand why you left out the "magic" backing file manipulation, but
source should still be "bs" for MIRROR_SYNC_MODE_NONE.

Paolo