Date: Sat, 21 Aug 1999 01:18:42 -0700 (PDT) From: "Brian F. Feldman" <green@FreeBSD.org> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_physio.c Message-ID: <Pine.BSF.4.10.9908210117300.56889-100000@freefall.freebsd.org> In-Reply-To: <11805.935223305@critter.freebsd.dk>
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On Sat, 21 Aug 1999, Poul-Henning Kamp wrote:
> Next we assign blockno to bp->b_blockno which is 32 bits wide,
> what happens to the upper 32 bits ? They're ignored, so the
> value of bp->b_blockno will be: 0x00000000.
>
Ah, so you're checking for an overflow. Now it's clear to me, thanks :)
>
> --
> Poul-Henning Kamp FreeBSD coreteam member
> phk@FreeBSD.ORG "Real hackers run -current on their laptop."
> FreeBSD -- It will take a long time before progress goes too far!
>
>
--
Brian Fundakowski Feldman / "Any sufficiently advanced bug is \
green@FreeBSD.org | indistinguishable from a feature." |
FreeBSD: The Power to Serve! \ -- Rich Kulawiec /
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