From owner-freebsd-fs@FreeBSD.ORG Thu Dec 10 20:08:32 2009 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EBEFA106566B for ; Thu, 10 Dec 2009 20:08:32 +0000 (UTC) (envelope-from mattjreimer@gmail.com) Received: from mail-gx0-f214.google.com (mail-gx0-f214.google.com [209.85.217.214]) by mx1.freebsd.org (Postfix) with ESMTP id AB83A8FC0A for ; Thu, 10 Dec 2009 20:08:32 +0000 (UTC) Received: by gxk6 with SMTP id 6so278529gxk.13 for ; Thu, 10 Dec 2009 12:08:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type; bh=GOMw0NuuwQK3a1s/RhTexMf8vQt8gK5S7aPJRvTApEg=; b=Hvpqc1WDXpm3BL5tlr5PjkCioAwyKp1gx6EwpZB3UH7ie8UtKce7Xy3iTBoTa+rszS 8deiZXJEVMxdXQwJTTTuyZ2C3m5bRMSWdFn2fBZWVH4s1R7bTEZ5lkmo6F+PP/pOfMr0 /F7TtUK9XC3YpO03Gi0GqEoKQDqpzYANglRJw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=sW0uQWP44+W1JzTMJvV+jAoYkKeJP4MnXectGUnU6zfOGe2bsh6BwZNCCptQM1jtuC OavI7peo1+2O0e/oH6MO1OHLOIi6Zhc5JIGF5muTm5ha2CmkeZwKZ2O+OdZj4mIASKiC H6TEbzjurOgurs8oQCQmHkShPavDV69bhWMWw= MIME-Version: 1.0 Received: by 10.150.6.19 with SMTP id 19mr987415ybf.63.1260475711280; Thu, 10 Dec 2009 12:08:31 -0800 (PST) In-Reply-To: References: Date: Thu, 10 Dec 2009 12:08:31 -0800 Message-ID: From: Matt Reimer To: freebsd-fs Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: PATCH: more efficient raidz memory usage for (gpt)zfsboot X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Dec 2009 20:08:33 -0000 On Mon, Dec 7, 2009 at 4:03 PM, Matt Reimer wrote: > Teach the (gpt)zfsboot raidz code to use its buffers more efficiently. > > Before this patch, in the worst case memory use would increase > exponentially on the number of drives in the raidz vdev. > > Sponsored by: VPOP Technologies, Inc. > > Matt Reimer Anyone want to commit this? Matt