From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752696AbdK0QB5 (ORCPT ); Mon, 27 Nov 2017 11:01:57 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:40996 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752537AbdK0QBz (ORCPT ); Mon, 27 Nov 2017 11:01:55 -0500 X-IronPort-AV: E=McAfee;i="5900,7806,8727"; a="1471592349" X-MGA-submission: =?us-ascii?q?MDF+W9KNhMdsPDRaZdoNCBhFLaClbNOtNAF2r1?= =?us-ascii?q?sAe/adtcrPuijognHsuPCvhRXhk9wHV/aegFftk7hLkTs1XNlBG5s4N7?= =?us-ascii?q?tDyX8NUKDYrBnhNrDQLi9WAwMsGM+cDtC1ODYOHlsArIHdAaEW5hrtqA?= =?us-ascii?q?vd?= From: Mike Marion To: Ian Kent CC: NeilBrown , Al Viro , "Colin Walters" , Ondrej Holy , "autofs mailing list" , Kernel Mailing List , David Howells , linux-fsdevel Subject: Re: [PATCH 3/3] autofs - fix AT_NO_AUTOMOUNT not being honored Thread-Topic: [PATCH 3/3] autofs - fix AT_NO_AUTOMOUNT not being honored Thread-Index: AQHTYmuIUf/cOjqClkmdiEgqCHPav6MgVeOAgAFRroCAB0vDAA== Date: Mon, 27 Nov 2017 16:01:53 +0000 Message-ID: <20171127160147.GA27613@qualcomm.com> References: <149438991819.26550.11290804420751932707.stgit@pluto.themaw.net> <149438992850.26550.14370272866390445786.stgit@pluto.themaw.net> <874lpo2y9e.fsf@notabene.neil.brown.name> <864efc64-c430-a862-3e98-fe5ce2535329@themaw.net> In-Reply-To: <864efc64-c430-a862-3e98-fe5ce2535329@themaw.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mutt/1.6.0 (2016-04-01) x-operating-system: Linux 4.4.92-6.18.1.14015.0.PTF.1024412-default x86_64 x-distribution: SUSE Linux Enterprise Server 12 (x86_64) 12.3 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [199.106.107.6] Content-Type: text/plain; charset="us-ascii" Content-ID: <8EAD71283B752143ACC919036A8947F6@qualcomm.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id vARG21V7010033 On Thu, Nov 23, 2017 at 08:36:49AM +0800, Ian Kent wrote: > And with the move of userspace to use /proc based mount tables (one > example being the symlink of /etc/mtab into /proc) even modest sized > direct mount maps will be a problem with every entry getting mounted. > > Systems will cope with this fine but larger systems not so much. Yes.. we've run into some big issues due to the change of /etc/mtab from a file to a symlink to /proc/self/mounts. Most have been worked around thus far (mostly due to Suse coming up with patches) but still have a few annoying ones. -- Mike Marion-Unix SysAdmin/Sr. Staff IT Engineer-http://www.qualcomm.com