On Thu, Jan 20, 2011 at 5:10 PM, Kevin Wolf wrote:
> +int qcow2_cache_get(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset,
> + void **table)
[...]
> +int qcow2_cache_put(BlockDriverState *bs, Qcow2Cache *c, void **table)
> +{
> + int i;
> +
> + for (i = 0; i < c->size; i++) {
> +
This adds some new cache functions to qcow2 which can be used for caching
refcount blocks and L2 tables. When used with cache=writethrough they work
like the old caching code which is spread all over qcow2, so for this case we
have merely a cleanup.
The interesting case is with writeback caching (
