From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [iproute2] iproute2: Allow 'ip addr flush' to loop more than 10 times. Date: Wed, 4 Aug 2010 14:00:12 -0700 Message-ID: <20100804140012.577b2195@nehalam> References: <1277790959-28075-1-git-send-email-greearb@candelatech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, Ben Greear To: greearb@gmail.com Return-path: Received: from mail.vyatta.com ([76.74.103.46]:41920 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758992Ab0HDVAR (ORCPT ); Wed, 4 Aug 2010 17:00:17 -0400 In-Reply-To: <1277790959-28075-1-git-send-email-greearb@candelatech.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 28 Jun 2010 22:55:59 -0700 greearb@gmail.com wrote: > From: Ben Greear > > The default remains at 10 for backwards compatibility. > > For instance: > # ip addr flush dev eth2 > *** Flush remains incomplete after 10 rounds. *** > # ip -l 20 addr flush dev eth2 > *** Flush remains incomplete after 20 rounds. *** > # ip -loops 0 addr flush dev eth2 > # > > This is useful for getting rid of large numbers of IP > addresses in scripts. > > Signed-off-by: Ben Greear The current userspace driven flush behavior is crap. There really should be an atomic flush netlink message with kernel support.