On Tue, May 14, 2013 at 10:26:19AM +0800, Fam Zheng wrote: > - CURLDataCache holds the user data read from libcurl, it is in a list > ordered by access, the used cache is moved to list head on access, so > the tail element is freed first. BDRVCURLState.cache_quota is the > threshold to start freeing cache.
Can you explain the need for a cache? The guest kernel already does readahead if it wants to. It can be tuned from inside the guest if performance doesn't meet expectations. The block/curl.c-specific cache cannot be tuned from the guest. Stefan
