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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 42F27C433DF for ; Fri, 24 Jul 2020 20:45:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1014A206D8 for ; Fri, 24 Jul 2020 20:45:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="RXxX6n+Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726754AbgGXUpb (ORCPT ); Fri, 24 Jul 2020 16:45:31 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:59273 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726674AbgGXUpb (ORCPT ); Fri, 24 Jul 2020 16:45:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1595623530; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=kwT/4oEvxYJQDv2IZFEDIJXwGO9sAIOeOt3vIk0tEEY=; b=RXxX6n+ZtMjXwQD7wwVpD/ymVuelWirP/TJmx2G2FF0wEGI359fd8/YvfSY/n4dusUGWE1 pPwSbHwytIHHXI0XHgHmuBomfybBP0ylbYdjwCXVOx9EnEeX7c48ydfdQqNbUz+l2H9/PC o6dKr9Mvy0doFiId5TVWFRjp9VZPUPA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-142-ETpAItGKNG2mbe9j92zNNQ-1; Fri, 24 Jul 2020 16:45:24 -0400 X-MC-Unique: ETpAItGKNG2mbe9j92zNNQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9EA14100A8E7; Fri, 24 Jul 2020 20:45:22 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-112-32.rdu2.redhat.com [10.10.112.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id 134F7726A9; Fri, 24 Jul 2020 20:45:19 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <159559628247.2141315.2107013106060144287.stgit@warthog.procyon.org.uk> <159559630912.2141315.16186899692832741137.stgit@warthog.procyon.org.uk> <2189056.1595620785@warthog.procyon.org.uk> To: Linus Torvalds Cc: dhowells@redhat.com, Al Viro , Casey Schaufler , Stephen Smalley , Nicolas Dichtel , Ian Kent , Christian Brauner , Jeff Layton , Karel Zak , Miklos Szeredi , Linux API , linux-fsdevel , LSM List , Linux Kernel Mailing List Subject: Re: [PATCH 3/4] watch_queue: Implement mount topology and attribute change notifications MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2195927.1595623519.1@warthog.procyon.org.uk> Date: Fri, 24 Jul 2020 21:45:19 +0100 Message-ID: <2195928.1595623519@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: linux-api-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org Linus Torvalds wrote: > I'd count them per user, and maybe start out saying "you can have as > many watches as you can have files" and just re-use RLIMIT_NOFILE as > the limit for them. > > And if that causes problems, let's re-visit. How does that sound? I can try that for now. David