From owner-freebsd-current@freebsd.org Mon Nov 6 17:27:26 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 42E6AE63278 for ; Mon, 6 Nov 2017 17:27:26 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from outbound1a.eu.mailhop.org (outbound1a.eu.mailhop.org [52.58.109.202]) (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 D32FE77699 for ; Mon, 6 Nov 2017 17:27:25 +0000 (UTC) (envelope-from ian@freebsd.org) X-MHO-User: 9894adad-c317-11e7-b805-f37e907b5733 X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Originating-IP: 73.78.92.27 X-Mail-Handler: DuoCircle Outbound SMTP Received: from ilsoft.org (unknown [73.78.92.27]) by outbound1.eu.mailhop.org (Halon) with ESMTPSA id 9894adad-c317-11e7-b805-f37e907b5733; Mon, 06 Nov 2017 17:26:18 +0000 (UTC) Received: from rev (rev [172.22.42.240]) by ilsoft.org (8.15.2/8.15.2) with ESMTP id vA6HQGrn001380; Mon, 6 Nov 2017 10:26:16 -0700 (MST) (envelope-from ian@freebsd.org) Message-ID: <1509989176.99235.79.camel@freebsd.org> Subject: Re: [HEADS UP] posix_fallocate support removed from ZFS, lld affected From: Ian Lepore To: Andriy Gapon , freebsd-current@FreeBSD.org, freebsd-fs@FreeBSD.org Date: Mon, 06 Nov 2017 10:26:16 -0700 In-Reply-To: <7e5599e4-2faa-29b6-4fb2-a0744a12681a@FreeBSD.org> References: <7e5599e4-2faa-29b6-4fb2-a0744a12681a@FreeBSD.org> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.18.5.1 FreeBSD GNOME Team Port Mime-Version: 1.0 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 17:27:26 -0000 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