Hi Tobias, Tobias Geerinckx-Rice <m...@tobias.gr> writes:
> Maxim, > > Maxim Cournoyer 写道： >> Another thing that is tricky about options is that some of them are >> only >> really understood by the 'mount' command line utility, not the >> 'mount' >> system call such as used in our init RAM disk (both are thrown >> together >> in 'man 8 mount' without an easy way to discern them apart, IIRC). > > Aha! Let me introduce you to the only slightly unfortunately named > ‘man 2 mount’ instead. Eh, I'm not sure why I hadn't thought about that myself, thank you! It makes sense after all -- one man page (2) documents the options for the system call, the other one (8) for the command. > The way mount(8) lumps both together is… I guess it's user-friendly — > in a way? — but it leads to this total confusion about what's what. > Think of flags as literal bit flags, mainly because they are. Hehe. > Guix does make the distinction. It's the right call but it leads to a > brief education moment the first time you encounter both fields. > > You're absolutely right that mount options OTOH are arbitrary strings. > They can't and shouldn't be ‘validated’, but we don't currently > mandate their stringiness, and should. Makes sense. Thank you! Maxim
