From: "J. Bruce Fields" Subject: Re: [PATCH 0/2] Support for Numeric Representations of UIDs and GIDs. Date: Wed, 18 Aug 2010 14:20:53 -0400 Message-ID: <20100818182053.GB13050@fieldses.org> References: <1282073925-18707-1-git-send-email-steved@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Linux NFS Mailing list To: Steve Dickson Return-path: Received: from fieldses.org ([174.143.236.118]:60031 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752352Ab0HRSW5 (ORCPT ); Wed, 18 Aug 2010 14:22:57 -0400 In-Reply-To: <1282073925-18707-1-git-send-email-steved@redhat.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Tue, Aug 17, 2010 at 03:38:43PM -0400, Steve Dickson wrote: > In recent NFS v2/v3 to v4 transitions, one of the sticking > points have been that fact v4 uses strings in the format > of "user@domain" instead of 32bit integers for uids and > gids. > > When the string can not be mapped, its mapped to the 'nobody' > user which is not optimal for things like backup servers and > such where the ids will not be know by both sides. > > So this patch series enables the server to send out numeric > string of uids and gids that do not have the '@domain' part. > The series also adds functionality to the client that parse these > type of strings and will use the numeric representation > of the ids iff the id exists on the client, which is > sightly different that Solaris. Solaris dose not have that > "id must exist" restriction. Why did you decide to impose that restriction? --b.