NeilBrown: > Only to top level of an overlay stack is writable. All others are or should > be read only. So only the top level can change. > > So in your example, fileA will be copied from ro1 directly into rwN where it > will then be appended to. I see. When I have time, I will try building overlayfs. Thank you. J. R. Okajima -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html