On Thu, Mar 22, 2012 at 08:37:39AM +0000, Emmanuel Dreyfus wrote: > In order to handle FUSE lookups TTL, I need to somehow keep track of > a node cache expiry date. I can do that in struct puffs_node, but that > mean I will lookup the cache, check expiry and decide to not use > cached entry if it is expired. In that case the entry remains in name cache, > and is even been refreshed because I looked it up. That does not seems > to be the right way. > > The laternative is to add nc_tiemout in struct namecache, and add a > timeout argument to cache_enter. If zero, then previous name cache > behavior is used. If non-zero, it specify when cache_prune must get > rid of the entry, by using nc_timeout instead of nc_hittime. > > Opinions?
What does NFS do? I have to look into this code and probably beat on it severely to make progress on the namei cleanup, but I haven't done so yet so I don't really know how it works yet. -- David A. Holland dholl...@netbsd.org
