On Fri, Aug 09, 2013 at 07:43:57PM +0200, Charlie Shepherd wrote:
> +static int bdrv_snapshot_open(BlockDriverState *bs)
> +{
> + Coroutine *co;
> + struct SnapOp so = {
> + .bs = bs,
> + .ret = NOT_DONE,
> + };
> +
> + co = qemu_coroutine_create(bdrv_snapshot_open_entry);
> + qemu_coroutine_enter(co, &so);
> + while (so.ret == NOT_DONE) {
> + qemu_aio_wait();
> + }
> +
> + return so.ret;
> +}
This is orthogonal to snapshots and should be a generic .bdrv_open()
wrapper called block.c:bdrv_open() (the coroutine version should be
called bdrv_co_open()).
