On Sunday 02 October 2005 17:08, David Leimbach wrote:
> I've been just playing around with the v9fs work and private
> namespaces from yesterday's [October 1, 2005] top of tree from Linus'
> git archive and I was looking at /etc/mtab's reaction to having
> multiple namespaces with bind mounts.
Oh you don't need namespaces to hork mtab. Do a mount from a chroot
environment. Or try to use --bind or --move mounts (at all) and watch it beg
for mercy. (I accidentally ran UserMode Linux as root once, using a hostfs
root filesystem to borrow the existing Linux's root filesystem, and its'
mounts edited the parent system's /etc/mtab. Yeah, that was user error on my
part, but it's also the _only_ gotcha I've found when doing that.)
/etc/mtab is simply brittle. Personally, on systems I build, I ln
-s /proc/mounts /etc/mtab
Rob
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