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Date:      Wed, 9 Jan 2002 12:25:57 +0000 (GMT)
From:      Mike Silbersack <silby@silby.com>
To:        Ian Dowse <iedowse@maths.tcd.ie>
Cc:        cvs-committers@FreeBSD.org, <cvs-all@FreeBSD.org>
Subject:   Re: cvs commit: src/sys/boot/i386/boot2 boot2.c 
Message-ID:  <20020109122125.G2484-100000@patrocles.silby.com>
In-Reply-To: <200201091714.aa02189@salmon.maths.tcd.ie>

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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


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