On Tue, Oct 24, 2017 at 5:44 AM, cgxu <cgxu@xxxxxxxxxxxx> wrote: > Hi Miklos, > > We’re testing our container system using overlayfs as image storage. > We noticed that although overlayfs supports maximum 500 layers in filesystem, > but when lowerdir is quite long then mount will fail because of mount option’s one PAGE SIZE limitation. > In our environment, we added new mount option “long_option” to deliver long mount option with extended attribute. > This approach is backward compatible and could be useful to container. > I have done basic testing on this and hope to hear some feedback for the patch. > > Detail explanations: > In this approach, we can set mount option both in command line and config file’s extended attribute. > There are three possible cases as below. Patchset from David Howells (*) will allow unlimited mount options. I'd rather wait for that than adding hacks to work around the page size limitation. Thanks, Miklos (*) https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1506283.html -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
