AFAIK this known historical behavior that what you find in `/etc/mtab` are things mounted by mount(8) (if that's what's printed by running just mount).
Whereas /proc/mounts is the kernel view on what's mounted. Curiously I don't see any difference on my gentoo box, which I think I should see but I'm not sure. Anyway, I've seen differences when eg. automounter was used, iirc. I wouldn't be surprised if there are things that depends on this behavior or if there are more cases like automounter. On Sun, 13 Oct 2013 14:32:32 -0500 William Hubbs <willi...@gentoo.org> wrote: > All, > > from what I'm seeing, we should look into converting /etc/mtab to a > symlink to /proc/self/mounts [1]. > > Are there any remaining concerns about doing this? > > If not, it seems like it would be pretty easy to make baselayout > create this symlink in the stages (I'm willing to do this work), but > what about on systems that are already installed? Should we send out > a news item and have everyone convert their /etc/mtab manually or > find a way to automate that? > > William > > [1] http://bugs.gentoo.org/show_bug.cgi?id=477498
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