From owner-freebsd-hackers Tue Jul 22 02:49:44 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id CAA19764 for hackers-outgoing; Tue, 22 Jul 1997 02:49:44 -0700 (PDT) Received: from korin.warman.org.pl (korin.warman.org.pl [148.81.160.10]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id CAA19756 for ; Tue, 22 Jul 1997 02:49:38 -0700 (PDT) Received: from localhost (abial@localhost) by korin.warman.org.pl (8.8.6/8.8.5) with SMTP id LAA13176; Tue, 22 Jul 1997 11:50:29 +0200 (CEST) Date: Tue, 22 Jul 1997 11:50:28 +0200 (CEST) From: Andrzej Bialecki To: Terry Lambert cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Compressed FS In-Reply-To: <199707220018.RAA12149@phaeton.artisoft.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Mon, 21 Jul 1997, Terry Lambert wrote: > The BSD layering is such that the VM issues are, in some cases, > hard to overcome (which is why union FS's currently don't work > in the main line tree). Any compression (or cryptographic) FS > would face similar problems, since it would need to maintain > seperate cache data for the uncompressed (or deencrypted) file > blocks. I see... But I had the impression that unions and portals work pretty well under -current - I used them several times and they didn't burn the house down :-) Current's LINT file contains information about these FSs being broken. Is it still true? Sincerely yours, --- Andrzej Bialecki FreeBSD: Turning PCs Into Workstations http://www.freebsd.org Research and Academic Network in Poland