Re: Loopback (dir->dir) mounting (NOT -o loop)

From: H. Peter Anvin (
Date: Fri Jun 02 2000 - 18:46:17 EST

Followup to: <>
By author: Chris Evans <>
In newsgroup:
> > Conclusion: I do not think it is responsible to introduce such a hazardous
> > feature without giving the rest of the world a reasonable amount of time
> > to adapt.
> I agree. Is their strong user demand for this, or are we doing it "just
> because we can"? If the latter then I suggest we keep the feature but
> restore sys_mount() such that the first line is "if
> !capable(CAP_SYS_ADMIN) :-)

There is definitely strong demand for this; for the past few years I
have gotten this request on the autofs mailing list several times a
month. It's a great win, but yes, it needs to be privileged.


<> at work, <> in private!
"Unix gives you enough rope to shoot yourself in the foot."

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