From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jamie Lokier Subject: Re: filesystem client mapping of uid_t/gid_t field in lookup Date: Sat, 14 May 2005 12:38:57 +0100 Message-ID: <20050514113857.GA19653@mail.shareable.org> References: <42852F4D.4020804@austin.rr.com> <1116052679.13863.38.camel@lade.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Steve French , linux-fsdevel@vger.kernel.org Return-path: Received: from mail.shareable.org ([81.29.64.88]:13526 "EHLO mail.shareable.org") by vger.kernel.org with ESMTP id S262742AbVENLjK (ORCPT ); Sat, 14 May 2005 07:39:10 -0400 To: Trond Myklebust Content-Disposition: inline In-Reply-To: <1116052679.13863.38.camel@lade.trondhjem.org> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Trond Myklebust wrote: > In NFSv4 (which is the only NFS implementation that supports native > uid/gid mapping since it defines a globally unique username/groupname > space for use on the wire) the uid/gid mapping is done using upcalls to > a userland daemon on both the client and server side. A cache is used in > order to avoid too many upcalls. Why would this sort of approach be > impractical for CIFS? It would be even nicer if they could share the same mapping daemon. -- Jamie