Date: Wed, 6 Mar 2002 19:50:04 -0500 From: Brian T.Schellenberger <bts@babbleon.org> To: Zhihui Zhang <zzhang@cs.binghamton.edu> Cc: Lars Eggert <larse@ISI.EDU>, "Rogier R. Mulhuijzen" <drwilco@drwilco.net>, Julian Elischer <julian@elischer.org>, freebsd-hackers@FreeBSD.ORG Subject: Re: A weird disk behaviour Message-ID: <20020307005004.3BB02BA03@i8k.babbleon.org> In-Reply-To: <Pine.SOL.4.21.0203061132090.5743-100000@onyx> References: <Pine.SOL.4.21.0203061132090.5743-100000@onyx>
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On Wednesday 06 March 2002 11:43 am, Zhihui Zhang wrote:
| In the case of partial block writes, I move to the next block which is
| contiguous to the current block. So the start address of each write in
| both cases are exactly the same. The only difference is that one write
| full blocks, the other write partial blocks. I also do not read anything
| during the partial block write, and I think the disk controller should not
| do that either.
I guess this was settled pretty well by later mail while I was off-line but,
yes, that's exactly what I would suspect is happening.
--
Brian T. Schellenberger . . . . . . . bts@wnt.sas.com (work)
Brian, the man from Babble-On . . . . bts@babbleon.org (personal)
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