From owner-freebsd-current@freebsd.org Mon Nov 6 17:49:22 2017 Return-Path: Delivered-To: freebsd-current@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 14690E63A36 for ; Mon, 6 Nov 2017 17:49:22 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from mx1.scaleengine.net (mx1.scaleengine.net [209.51.186.6]) (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 EB8A07C81C for ; Mon, 6 Nov 2017 17:49:21 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from [10.1.1.2] (Seawolf.HML3.ScaleEngine.net [209.51.186.28]) (Authenticated sender: allanjude.freebsd@scaleengine.com) by mx1.scaleengine.net (Postfix) with ESMTPSA id F081614744 for ; Mon, 6 Nov 2017 17:49:19 +0000 (UTC) Subject: Re: [HEADS UP] posix_fallocate support removed from ZFS, lld affected To: freebsd-current@freebsd.org References: <7e5599e4-2faa-29b6-4fb2-a0744a12681a@FreeBSD.org> <1509989176.99235.79.camel@freebsd.org> From: Allan Jude Message-ID: <65d93f93-31d9-0caa-d1b2-4ed21e90df21@freebsd.org> Date: Mon, 6 Nov 2017 12:49:19 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <1509989176.99235.79.camel@freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Nov 2017 17:49:22 -0000 On 2017-11-06 12:26, Ian Lepore wrote: > On Mon, 2017-11-06 at 17:40 +0200, Andriy Gapon wrote: >> From UPDATING: >> The naive and non-compliant support of posix_fallocate(2) in ZFS >> has been removed as of r325320.  The system call now returns EINVAL >> when used on a ZFS file.  Although the new behavior complies with the >> standard, some consumers are not prepared to cope with it. >> One known victim is lld prior to r325420. >> > > It just popped into my head... does this mean that kernels running > r325320+ on systems using ZFS will be unable to host build jails for > earlier versions / branches because lld will fail in the jail? > > I think that will be a big problem for the ports team's package > building process, and for anyone using poudriere. > > -- Ian > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > lld is not the default on amd64 yet. So only people who have set the src.conf knob, or are building a platform like aarch64 that uses lld by default, would be impacted. -- Allan Jude