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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 DFD83C3F2D1 for ; Wed, 4 Mar 2020 14:58:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B8FB120732 for ; Wed, 4 Mar 2020 14:58:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=szeredi.hu header.i=@szeredi.hu header.b="jlEbGqj0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727835AbgCDO60 (ORCPT ); Wed, 4 Mar 2020 09:58:26 -0500 Received: from mail-io1-f66.google.com ([209.85.166.66]:44651 "EHLO mail-io1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727436AbgCDO60 (ORCPT ); Wed, 4 Mar 2020 09:58:26 -0500 Received: by mail-io1-f66.google.com with SMTP id u17so2677000iog.11 for ; Wed, 04 Mar 2020 06:58:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=MI1PXuWt7Kag0MFTc+PiKW4eyxOQoHf1qp779Es8aXg=; b=jlEbGqj0JV8uts4QRzcS6Eajtw0tKvhkbeliNCbF4uNcgjKTS/ufjxuns+h7Dpv6oK iRjdlxhkwkZI1FmdhgsHRZm18X+J/tCJza8pnjG/RS/TKmekikpIX0g4Ktub7s/SxPOV trmM3oYR2IE7l7X78+F/LxlrLp+ecQgRRpBjY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=MI1PXuWt7Kag0MFTc+PiKW4eyxOQoHf1qp779Es8aXg=; b=G1LgYNFqw0MmnJ4q1zoelC44S1R2+7TeTgikF5xNc3gaOVnBpJQJXM3x8XFz4OGpWv rvuUsMbqRSVz3J6FQyhEIpXSSeVNvQ6vBgSNQKuwWpwVvnWZFkbBjTZoQ/LsJgnVT1LW RlwQz5XTY0qCuB8p6ueKGPt/VpPbSx6A2HtiX1PWV/gKw3EyDD1VbD+3DHpS1AcGgQyb SjxV9b4HptpflJM2vBvH3244JI5yzc7PzghDY/iUffsXK0KpITqKPet4SgeLyi3Panqg Fxr7EAkDmWsqq0DtKVR1Rg+Yfgw+rr0EAkQci9GBsXm3cfl+XPdIrffKYjg7ynnxWGlE X5AQ== X-Gm-Message-State: ANhLgQ3ZQkkldgBUFxQyiTcwgAdcVssx4EqbLGOZEaaYy4dnJgLgzi/K 5yblaHSrgIIODI7cgx+e8zzmJUj4PLzYLkZz73vRPA== X-Google-Smtp-Source: ADFU+vt7iszIUbYisTGd86KHNUYtvuTdfoY/g3ldBLGb8T53mnRCU8tRd+55HaV44wyYtBstlDMXhGVD9Q344+TQJSs= X-Received: by 2002:a02:558a:: with SMTP id e132mr3150631jab.58.1583333905701; Wed, 04 Mar 2020 06:58:25 -0800 (PST) MIME-Version: 1.0 References: <158230810644.2185128.16726948836367716086.stgit@warthog.procyon.org.uk> <158230818859.2185128.8921928947340497977.stgit@warthog.procyon.org.uk> In-Reply-To: <158230818859.2185128.8921928947340497977.stgit@warthog.procyon.org.uk> From: Miklos Szeredi Date: Wed, 4 Mar 2020 15:58:14 +0100 Message-ID: Subject: Re: [PATCH 10/17] fsinfo: Allow mount information to be queried [ver #17] To: David Howells Cc: Al Viro , Ian Kent , Miklos Szeredi , Christian Brauner , Jann Horn , "Darrick J. Wong" , Linux API , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Fri, Feb 21, 2020 at 7:03 PM David Howells wrote: > +/* > + * Return the path of this mount relative to its parent and clipped to > + * the current chroot. And clipped to nothing if outside current root. The code doesn't appear to care, which to me seems like a hole. And btw, what is the point of only showing path relative to parent mount? This way it's impossible to get a consistent path from root due to mount/dentry tree changes between calls to fsinfo(). Thanks, Miklos