Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx12.netapp.com ([216.240.18.77]:38795 "EHLO mx12.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752517Ab3JXIph convert rfc822-to-8bit (ORCPT ); Thu, 24 Oct 2013 04:45:37 -0400 From: "Myklebust, Trond" To: Christoph Anton Mitterer CC: "" Subject: Re: XATTRs in NFS? Date: Thu, 24 Oct 2013 08:45:35 +0000 Message-ID: References: <1382560643.6924.12.camel@heisenberg.scientia.net> In-Reply-To: <1382560643.6924.12.camel@heisenberg.scientia.net> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: On Oct 23, 2013, at 9:37 PM, Christoph Anton Mitterer wrote: > Hi. > > I just wondered about the current situation (respectively plans) > regarding XATTRs in NFS (I personally don't care much about the > version,... of course v4 would be nice, but v3 should do either). > > > I'm aware about the patches for v3 that James Morris has submitted some > time ago, but AFAICS these were never accepted/merged. > > Asking him (off-list) he mentioned that any such work would need to take > place in NFS4. > > > I've seen some comments from the past, saying that it should never > happen since it would cause performance issues - but I guess one could > make it optional. > > > I have some use case where I need a network filesystem with XATTR > support providing the features of most standard filesystems (locking, > etc.). > And I'm sure there are plenty more use-cases. > > > So are there any plans to get this into NFS? > labeled NFS (i.e. security labels for NFS) is already supported in Linux 3.10 and newer. There are no plans to merge general purpose xattrs. Please just use an application-specific database. Cheers Trond