From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Allison Subject: Re: silent semantic changes with reiser4 Date: Wed, 25 Aug 2004 18:22:30 -0700 Sender: linux-fsdevel-owner@vger.kernel.org Message-ID: <20040826012230.GA19957@jeremy1> References: <20040824202521.GA26705@lst.de> <412CEE38.1080707@namesys.com> <20040825152805.45a1ce64.akpm@osdl.org> <112698263.20040826005146@tnonline.net> <1453698131.20040826011935@tnonline.net> <20040825163225.4441cfdd.akpm@osdl.org> <20040825233739.GP10907@legion.cup.hp.com> <20040825234629.GF2612@wiggy.net> <1093480940.2748.35.camel@entropy> Reply-To: Jeremy Allison Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Wichert Akkerman , Jeremy Allison , Andrew Morton , Spam , torvalds@osdl.org, reiser@namesys.com, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, flx@namesys.com, reiserfs-list@namesys.com Return-path: Received: from dp.samba.org ([66.70.73.150]:52958 "EHLO lists.samba.org") by vger.kernel.org with ESMTP id S266543AbUHZBWc (ORCPT ); Wed, 25 Aug 2004 21:22:32 -0400 To: Nicholas Miell Content-Disposition: inline In-Reply-To: <1093480940.2748.35.camel@entropy> List-Id: linux-fsdevel.vger.kernel.org On Wed, Aug 25, 2004 at 05:42:21PM -0700, Nicholas Miell wrote: > > Anything that currently stores a file's metadata in another file really > wants this right now. Things like image thumbnails, document summaries, > digital signatures, etc. Which is exactly how Windows apps have started to use streams. > As to how to do it, I think the Solaris interface is reasonably decent. > The overview is at http://docs.sun.com/db/doc/816-0220/6m6nkorp9?a=view I agree. This is an interface Samba can live with I think. I was thinking of implementing it anyway, just so I could piss off the Linux kernel developers by saying "oh if you need proper Windows semantics on Samba you have to use an advanced OS like Solaris, Linux doesn't cut it" :-) :-). > The only real problem I have with their design is the calling them > attributes and using "at" everywhere. Yep - they're different from xattrs. The easiest way to remember this is that file streams are seekable and get a fd, xattrs aren't and don't :-). Jeremy.