From owner-cvs-all Wed Jan 9 10:23:25 2002 Delivered-To: cvs-all@freebsd.org Received: from patrocles.silby.com (d170.as10.nwbl0.wi.voyager.net [169.207.133.44]) by hub.freebsd.org (Postfix) with ESMTP id CFD8D37B41A; Wed, 9 Jan 2002 10:23:13 -0800 (PST) Received: from localhost (silby@localhost) by patrocles.silby.com (8.11.6/8.11.6) with ESMTP id g09CPvb02904; Wed, 9 Jan 2002 12:25:59 GMT (envelope-from silby@silby.com) X-Authentication-Warning: patrocles.silby.com: silby owned process doing -bs Date: Wed, 9 Jan 2002 12:25:57 +0000 (GMT) From: Mike Silbersack To: Ian Dowse Cc: cvs-committers@FreeBSD.org, Subject: Re: cvs commit: src/sys/boot/i386/boot2 boot2.c In-Reply-To: <200201091714.aa02189@salmon.maths.tcd.ie> Message-ID: <20020109122125.G2484-100000@patrocles.silby.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, 9 Jan 2002, Ian Dowse wrote: > In message <20020109102330.A2484-100000@patrocles.silby.com>, Mike Silbersack w > rites: > > > >Should we just be jumping right to 32K or 64K now? I believe that some > >people already use such blocksizes on large filesystems. > > I posted a patch a day or two ago that makes the buffer size more > dynamic in the i386 case, to avoid the need for a defined maximum > block size. Mike Smith suggested just changing the limit to 16k for > 4.5-RELEASE, and I agree that this is the safest thing to do for > now. Ah, yes, that makes sense for 4.5-release. I was just curious if you were working on a more long-term solution. > The boot environment is quite restricted, so I'm not sure offhand > if we can safely go to 32k or 64k without further changes. In fact, > a much better approach would be to change the code so that it reads > large blocks in fixed-sized chunks. I'll see if that can be done > without too much additional code-bloat. > > Ian Despite the constraints, I'm sure you'll come up with something good. :) Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message