From owner-freebsd-stable@freebsd.org Tue Aug 9 05:32:20 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 698DDBB2E58 for ; Tue, 9 Aug 2016 05:32:20 +0000 (UTC) (envelope-from lists@opsec.eu) Received: from home.opsec.eu (home.opsec.eu [IPv6:2001:14f8:200::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2B1FD1D1F for ; Tue, 9 Aug 2016 05:32:20 +0000 (UTC) (envelope-from lists@opsec.eu) Received: from pi by home.opsec.eu with local (Exim 4.87 (FreeBSD)) (envelope-from ) id 1bWzeA-000D5u-BF; Tue, 09 Aug 2016 07:32:14 +0200 Date: Tue, 9 Aug 2016 07:32:14 +0200 From: Kurt Jaeger To: Harry Schmalzbauer Cc: Rick Macklem , FreeBSD Stable Subject: Re: unionfs bugs, a partial patch and some comments [Was: Re: 1-BETA3 Panic: __lockmgr_args: downgrade a recursed lockmgr nfs @ /usr/local/share/deploy-tools/RELENG_11/src/sys/fs/unionfs/union_vnops.c:1905] Message-ID: <20160809053214.GW96200@home.opsec.eu> References: <57A79E24.8000100@omnilan.de> <57A83C78.1070403@omnilan.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <57A83C78.1070403@omnilan.de> X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Aug 2016 05:32:20 -0000 Hi! > Since then I'm draging a minimal patch which prevents at least the > kernel panics for me. > Unfortunately I don't have the skills to continue Attilio Raos work. > > Just for anybody else needing unionfs: > https://people.freebsd.org/~attilio/unionfs_missing_insmntque_lock.patch Is this referenced in any PR ? If not, can you create one ? > First thing to do for me, after I won in lottery, was to find someone > who can be sponsored fixing unionfs ;-) And bringing MNAMELEN into 21st > century state, matching ZFS needs: > https://lists.freebsd.org/pipermail/freebsd-hackers/2015-November/048640.html > This is another patch I'm carrying for a very long time which solves > tremendous limitations for me. Without that, I couldn't use ZFS > snapshots in real world, along with a human-friendly dataset naming :-) And is there a PR for that ? -- pi@opsec.eu +49 171 3101372 4 years to go !