Re: [Qemu-devel] [RFC PATCH v2 18/23] qcow2: Delay the COW

[Stefan Hajnoczi]

On Wed, Feb 13, 2013 at 02:22:08PM +0100, Kevin Wolf wrote:
>      /**
> +     * true if the request is sleeping in the COW delay and the coroutine may
> +     * be reentered in order to cancel the timer.
> +     */
> +    bool sleeping;

Does reentering actually cancel the timer...or does it lead to a
spurious entry when the timer fires in the future?

Do we need anything to really delete the timer in case we re-enter and
terminate the coroutine before the timer fires?

Stefan