On 03/14/2011 10:03 AM, Kevin Wolf wrote:
The only problem with them is that they are metadata that must be
updated. However, I think we have discussed enough how to avoid the
greatest part of that cost.
Maybe I missed it, but in the WCE=0 mode, is it really possible to avoid
the writes for the refcount table?
Protected by a dirty flag (and/or a journal), sure. I mean, wasn't that
the whole point of starting the qcow3 discussion?
Okay, I thought you had something else in mind.
Regards,
Anthony Liguori
Kevin
