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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 16C5DC43331 for ; Thu, 2 Apr 2020 15:23:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DBE362072E for ; Thu, 2 Apr 2020 15:23:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="GB3sDeom" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388991AbgDBPXB (ORCPT ); Thu, 2 Apr 2020 11:23:01 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:53464 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2388875AbgDBPXB (ORCPT ); Thu, 2 Apr 2020 11:23:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585840980; 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=1G4fW9kRqwkS0muZKrX5i3nTFV88PYpfmaEKwAh1/sk=; b=GB3sDeom8VTDLyLjNe1dvln5zfpAT/FxFH//ZzIcp2MkT78cuNP+JnOINGbcWOzp4ewC8n SWgQtRRy4OhdwN4YkMPn3YElcVt/zu6LeWqzm9uAXvIGeG/okiRY86ZFfU8I+rTS0yd8cf V2ghL7gtoihlQbMad9xd3TLEfcxOm6A= 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-37-9EJhvMwNMPGRd1oIgwNyOA-1; Thu, 02 Apr 2020 11:22:58 -0400 X-MC-Unique: 9EJhvMwNMPGRd1oIgwNyOA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 224038017FC; Thu, 2 Apr 2020 15:22:56 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-114-243.ams2.redhat.com [10.36.114.243]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9617748; Thu, 2 Apr 2020 15:22:52 +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: <20200330211700.g7evnuvvjenq3fzm@wittgenstein> <1445647.1585576702@warthog.procyon.org.uk> <2418286.1585691572@warthog.procyon.org.uk> <20200401090445.6t73dt7gz36bv4rh@ws.net.home> <2488530.1585749351@warthog.procyon.org.uk> <2488734.1585749502@warthog.procyon.org.uk> <2590276.1585756914@warthog.procyon.org.uk> To: Miklos Szeredi Cc: dhowells@redhat.com, Karel Zak , Christian Brauner , Linus Torvalds , Al Viro , dray@redhat.com, Miklos Szeredi , Steven Whitehouse , Jeff Layton , Ian Kent , andres@anarazel.de, keyrings@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Lennart Poettering , Aleksa Sarai Subject: Re: Upcoming: Notifications, FS notifications and fsinfo() MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3070723.1585840971.1@warthog.procyon.org.uk> Date: Thu, 02 Apr 2020 16:22:51 +0100 Message-ID: <3070724.1585840971@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Miklos Szeredi wrote: > > > Not sure what you mean. I think it shows precisely the information > > > Karel asked for. > > > > It's not atomic. > > Yes it is. No, it really isn't - though it could be made so. ext4_show_mount(), for example, doesn't lock against "mount -o remount", so the configuration can be changing whilst it's being rendered to text. David