Re: RFC: permit link(2) to work across --bind mounts ?

[Mark Lord]

Al Viro wrote:
> On Wed, Dec 19, 2007 at 02:43:26PM +0100, Bodo Eggert wrote:
>
> > Since nobody knows about this "security boundary" and everybody knows about
> > the annoying "can't link across bind-mountpoints bug",
>
> ... how about teaching people to RTFM?  Starting, perhaps, with man 2 link?
..

Mmm.. that's a programmers' man page, not a user/admin page.
Something in mv(1) would be very useful to have.

And perhaps a mount flag to select desired behaviour,
since virtually everyone expects it to "just work" that way,
and it doesn't.

I'll happily generate a patch if we can agree on the correctness
of the sample patch I posted earlier, plus a suitable mount flag name.

Cheers
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