From owner-freebsd-questions@FreeBSD.ORG Wed Jul 27 01:27:47 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 60B0D16A41F for ; Wed, 27 Jul 2005 01:27:47 +0000 (GMT) (envelope-from mcbrune@gmail.com) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id EAB6443D45 for ; Wed, 27 Jul 2005 01:27:46 +0000 (GMT) (envelope-from mcbrune@gmail.com) Received: by wproxy.gmail.com with SMTP id i21so65444wra for ; Tue, 26 Jul 2005 18:27:46 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Fzs8yegzKPXy8eUEvwaO8HCwdYMeKs2VGNy9pofdhmti8Mb7kA8vokpf4VK3Q17bD6piZuRofvzkhvFERXhYSOOWKEFAr2p9+AspohIbAfnBN1j5I4f/2IrXKvwgRomLR8PgBD2f0hBq1pWliemfAawZ1W9rtv4lzDete1utdL8= Received: by 10.54.52.27 with SMTP id z27mr130440wrz; Tue, 26 Jul 2005 18:27:46 -0700 (PDT) Received: by 10.54.73.11 with HTTP; Tue, 26 Jul 2005 18:27:46 -0700 (PDT) Message-ID: <5627053705072618273aca3cb6@mail.gmail.com> Date: Tue, 26 Jul 2005 20:27:46 -0500 From: Corey Brune To: Wojciech Puchar In-Reply-To: <20050727001937.U63965@chylonia.3miasto.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <20050727001937.U63965@chylonia.3miasto.net> Cc: freebsd-questions@freebsd.org Subject: Re: MAXPHYS and MAXBSIZE X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Corey Brune List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jul 2005 01:27:47 -0000 According to sys/param.h: MAXPHYS - max raw I/O transfer size MAXBSIZE - Filesystems are made out of blocks of at most MAXBSIZE bytes per block. MAXBSIZE may be made larger without effecting any existing filesystems as long as it does not exceed MAXPH= YS, and may be made smaller at the risk of not being able to use filesystems which require a block size exceeding MAXBSIZE. On 7/26/05, Wojciech Puchar wrote: > what is the difference between this 2 compile time defines? >=20 >=20 > is it possible to set it up higher? (something like 0.5MB for modern disk= s > make sense) > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o= rg" >