Re: [RFC][PATCH 4/3] vfs: Allow rmdir to remove mounts in all butthe current mount namespace

[Miklos Szeredi]

On Tue, Oct 08, 2013 at 09:06:29AM -0700, Andy Lutomirski wrote:

> > I think the risks of changing behavior outweigh the benefits.  How many
> > times did you have to remove or rename a mounted file or directory?  It's
> > very rarely needed.
> 
> I do this every time I reinstall a system while running that system.
> Admittedly, mount --move works, but that's a really unpleasant
> interface.
> 
> When rename2 gets added, there could be a flag RENAME_MOVE_MOUNT to opt in.

Good point.  Opting in would be the safest for both unlinkat() and
renameat2().

Thanks,
Miklos
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