On Fri, Nov 18, 2011 at 6:29 PM, Kevin Wolf <kw...@redhat.com> wrote:
> + /*
> + * Increase the refcounts of all clusters and make sure everything is
> + * stable on disk before updating the snapshot table to contain a pointer
> + * to the new L1 table.
> + */
> + ret = qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size,
> 1);
> + if (ret < 0) {
> + goto fail;
> + }
> +
> + ret = bdrv_flush(bs->file);
Do we need to explicitly flush the qcow2 cache to ensure metadata
reaches the disk?
Stefan
