On Fri, Sep 23, 2016 at 07:43:59PM +0200, Bastian Bittorf wrote:
> * Daniel Golle <dan...@makrotopia.org> [23.09.2016 19:19]:
> 
> [...]
> 
> > On Android and other embedded systems, this whole issue is solved by
> > having a designated volume mounted on /data, usually backed by a
> > partition on an sdcard or the like.
> > 
> > Similarly, on systems with block or large (SLC!) NAND storage we
> > could introduce an additional partition/volume mounted on /data and
> > just not have that directory on systems without any storage options.
> 
> [...]
> 
> in our systems we introduced 2 new global varnames:
> 
> $TMPDIR (like 'temp')
> $PERMDIR (like 'permanent')

That's kinda the idea. How do you know during runtime if $PERMDIR was
successfully mounted, ie. if a service which requires permanent storage
should be started?

> 
> this makes it clearer in the code and we are "future-safe".
> 
> bye, bastian

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