On Tue, Aug 10, 2021 at 09:12:14AM +0200, Michael Kerrisk (man-pages) wrote: > Hi Christian, > > One more question... > > >> The propagation field is used to specify the propagation typ > >> of the mount or mount tree. Mount propagation options are > >> mutually exclusive; that is, the propagation values behave > >> like an enum. The supported mount propagation types are: > > The manual page text doesn't actually say it, but if the 'propagation' > field is 0, then this means leave the propagation type unchanged, > right? This of course should be mentioned in the manual page. Yes, if none of the documented values is set the propagation is unchanged. Christian