On Mon, Oct 07, 2013 at 03:25:17PM -0700, Eric W. Biederman wrote: > Andy Lutomirski <l...@amacapital.net> writes: > > > On Mon, Oct 7, 2013 at 7:55 AM, Eric W. Biederman <ebied...@xmission.com> > > wrote: > >> "Serge E. Hallyn" <se...@hallyn.com> writes: > >> > >>> Quoting Eric W. Biederman (ebied...@xmission.com): > >>>> > >>>> Programs have been known to test for empty directories by attempting > >>>> to remove them. To keep from violating the principle of least > >>>> surprise don't let directories the caller can see with someting > >>>> mounted on them be deleted. > >>> > >>> Do you think we should do the same thing for over-mounted file at > >>> vfs_unlink()? > >> > >> We easily could.
And for vfs_rename()? 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. Thanks, Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
