From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FE72C43331 for ; Thu, 2 Apr 2020 15:28:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8115C2072E for ; Thu, 2 Apr 2020 15:28:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389231AbgDBP2d (ORCPT ); Thu, 2 Apr 2020 11:28:33 -0400 Received: from gardel.0pointer.net ([85.214.157.71]:51106 "EHLO gardel.0pointer.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726927AbgDBP2d (ORCPT ); Thu, 2 Apr 2020 11:28:33 -0400 Received: from gardel-login.0pointer.net (gardel.0pointer.net [IPv6:2a01:238:43ed:c300:10c3:bcf3:3266:da74]) by gardel.0pointer.net (Postfix) with ESMTP id 7A8EDE80A73; Thu, 2 Apr 2020 17:28:31 +0200 (CEST) Received: by gardel-login.0pointer.net (Postfix, from userid 1000) id 1F7B3160337; Thu, 2 Apr 2020 17:28:31 +0200 (CEST) Date: Thu, 2 Apr 2020 17:28:31 +0200 From: Lennart Poettering To: Miklos Szeredi Cc: Ian Kent , David Howells , Christian Brauner , Linus Torvalds , Al Viro , dray@redhat.com, Karel Zak , Miklos Szeredi , Steven Whitehouse , Jeff Layton , andres@anarazel.de, keyrings@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Aleksa Sarai Subject: Re: Upcoming: Notifications, FS notifications and fsinfo() Message-ID: <20200402152831.GA31612@gardel-login> References: <1445647.1585576702@warthog.procyon.org.uk> <2418286.1585691572@warthog.procyon.org.uk> <20200401144109.GA29945@gardel-login> <2590640.1585757211@warthog.procyon.org.uk> <36e45eae8ad78f7b8889d9d03b8846e78d735d28.camel@themaw.net> <20200402143623.GB31529@gardel-login> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Do, 02.04.20 17:22, Miklos Szeredi (miklos@szeredi.hu) wrote: > On Thu, Apr 2, 2020 at 4:36 PM Lennart Poettering wrote: > > > You appear to be thinking about the "udisks" project or so? > > Probably. > > The real question is: is there a sane way to filter mount > notifications so that systemd receives only those which it is > interested in, rather than the tens of thousands that for example > autofs is managing and has nothing to do with systemd? systemd cares about all mount points in PID1's mount namespace. The fact that mount tables can grow large is why we want something better than constantly reparsing the whole /proc/self/mountinfo. But filtering subsets of that is something we don't really care about. Lennart -- Lennart Poettering, Berlin