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

[Mark Lord]

linux@xxxxxxxxxxx wrote:
> > Why does link(2) not support hard-linking across bind mount points
> > of the same underlying filesystem ?
>
> Whenever we get mount -r --bind working properly (which I use to place
> copies of necessary shared libraries inside chroot jails while allowing
> page cache sharing), this feature would break security.
..

No, that would still function exactly as it does today.
The alternate behaviour that is desired for non-chroot purposes
would be per-bind-mount, and would require a mount flag to activate.

Cheers
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