From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lennart Poettering Date: Fri, 03 Apr 2020 15:41:39 +0000 Subject: Re: Upcoming: Notifications, FS notifications and fsinfo() Message-Id: <20200403154139.GA34867@gardel-login> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit List-Id: References: <20200401144109.GA29945@gardel-login> <2590640.1585757211@warthog.procyon.org.uk> <36e45eae8ad78f7b8889d9d03b8846e78d735d28.camel@themaw.net> <27994c53034c8f769ea063a54169317c3ee62c04.camel@themaw.net> <20200403111144.GB34663@gardel-login> <3248809.1585928191@warthog.procyon.org.uk> In-Reply-To: <3248809.1585928191@warthog.procyon.org.uk> To: David Howells Cc: Miklos Szeredi , Ian Kent , 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 On Fr, 03.04.20 16:36, David Howells (dhowells@redhat.com) wrote: > Lennart Poettering wrote: > > > BTW, while we are at it: one more thing I'd love to see exposed by > > statx() is a simple flag whether the inode is a mount point. > > Note that an inode or a dentry might be a mount point in one namespace, but > not in another. Do you actually mean an inode - or do you actually mean the > (mount,dentry) pair that you're looking at? (Ie. should it be namespace > specific?) yes, it should be specific to the mount hierarchy in the current namespace. Lennart -- Lennart Poettering, Berlin 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,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 7D64EC43331 for ; Fri, 3 Apr 2020 15:41:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59BC420721 for ; Fri, 3 Apr 2020 15:41:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404287AbgDCPlm (ORCPT ); Fri, 3 Apr 2020 11:41:42 -0400 Received: from gardel.0pointer.net ([85.214.157.71]:52094 "EHLO gardel.0pointer.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727927AbgDCPlm (ORCPT ); Fri, 3 Apr 2020 11:41:42 -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 E771BE807B5; Fri, 3 Apr 2020 17:41:39 +0200 (CEST) Received: by gardel-login.0pointer.net (Postfix, from userid 1000) id 7B7C41614E3; Fri, 3 Apr 2020 17:41:39 +0200 (CEST) Date: Fri, 3 Apr 2020 17:41:39 +0200 From: Lennart Poettering To: David Howells Cc: Miklos Szeredi , Ian Kent , 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: <20200403154139.GA34867@gardel-login> References: <20200401144109.GA29945@gardel-login> <2590640.1585757211@warthog.procyon.org.uk> <36e45eae8ad78f7b8889d9d03b8846e78d735d28.camel@themaw.net> <27994c53034c8f769ea063a54169317c3ee62c04.camel@themaw.net> <20200403111144.GB34663@gardel-login> <3248809.1585928191@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3248809.1585928191@warthog.procyon.org.uk> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fr, 03.04.20 16:36, David Howells (dhowells@redhat.com) wrote: > Lennart Poettering wrote: > > > BTW, while we are at it: one more thing I'd love to see exposed by > > statx() is a simple flag whether the inode is a mount point. > > Note that an inode or a dentry might be a mount point in one namespace, but > not in another. Do you actually mean an inode - or do you actually mean the > (mount,dentry) pair that you're looking at? (Ie. should it be namespace > specific?) yes, it should be specific to the mount hierarchy in the current namespace. Lennart -- Lennart Poettering, Berlin