Simon Hobson writes:
> Or the third option - mount r/o and remount r/w when needed.
> IIRC you can switch an already mounted filesystem from r/o to
> r/w 'on the fly' (ie without unmounting it first) - is the
> reverse possible (ie change a r/w mount to r/o) ?

Yes. mount -o remount,ro. I've done that more than once on android
(remounting like that is how you get rid of the tasteless and/or annoying
boot animations most vendors like).

Arnt