site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com On Oct 18, 2006, at 12:22 , Jeffrey Ellis wrote: The only definition I've found so far is: The opaque flag will prevent a full union stack traversal on later lookups. http://rentzsch.com/macosx/unionFilesystems -M _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.a... I actually read a discussion somewhere, where the user was saying that setting the opaque flag was supposed to help in some instances (sorry, I didn't quite follow what they were trying to do, and I can't find that thread anymore...) I think it may have something to do with deleted files in the "false" union layer. But if Michael Smith says they have no meaning in OS X, they are likely unused in Darwin. This email sent to site_archiver@lists.apple.com