Date: Sun, 2 Oct 2005 13:38:55 +0530 From: "Kamal R. Prasad" <kamalp@acm.org> To: babkin@users.sf.net Cc: freebsd-hackers@freebsd.org, "Kamal R. Prasad" <kamalpr@gmail.com> Subject: Re: JFS2 on freebsd Message-ID: <719D8CD9-8934-46D8-80F1-6837C7C69105@acm.org> In-Reply-To: <8656351.1126268001929.JavaMail.root@vms064.mailsrvcs.net> References: <8656351.1126268001929.JavaMail.root@vms064.mailsrvcs.net>
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On 09-Sep-05, at 5:43 PM, Sergey Babkin wrote: >> From: Mike Silbersack <silby@silby.com> >> >> On Fri, 9 Sep 2005, Kamal R. Prasad wrote: >> >> >>> would a port of JFS2 be of interest to freebsd core? >>> thanks >>> -kamal >>> >> >> There are many things that would be of interest to FreeBSD users, but >> that's not a good reason to start a project. If you're motivated >> only >> because you think others desire your work, you'll probably give up >> when >> you have to start dealing with all the realities of the project. >> However, >> if you're motivated because *you* want to port JFS2, then you'll >> probably >> do a good job of it. >> I want to make a freebsd port of JFS2. The source code is available at http://jfs.sourceforge.net/ The reasons are academic and I have no reason to suggest that people stop using ufs. >> So, of course support for new filesystem support is good, but my >> personal >> opinion is that JFS2 isn't worth your time, for two reasons: >> >> a) Even if it's BSD licensed, it's unlikely to displace UFS as our >> default filesystem. >> The license is not a BSD license -and for those who are interested - it reads as follows:- ------------------------------------------ /* * Copyright (c) International Business Machines Corp., 2000-2002 * Portions Copyright (c) Christoph Hellwig, 2001-2002 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ ------------------------------------------ >> b) It's not a widely used filesystem, so it doesn't really >> increase our >> interoperability with other OSes. >> I will make it a seperate module (which is how it exists in linux). It may not be appropriate to be used as a boot filesystem. If someone from freebsd is interested in reviewing the port -pl. let me know. thanks -kamal . >> OTOH, updating our ext2 code, or ntfs code (if that's even >> possible) would >> be something of use to many people, I suspect. >> > > Why not go for ext3 instead of JFS then? It has > journaling in it. > > -SB > Kamal R. Prasad UNIX systems consultant http://www.kamalprasad.com/ kamalp@acm.org
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