Date: Fri, 14 Dec 2001 15:11:39 -0800 From: Peter Wemm <peter@wemm.org> To: Kirk McKusick <mckusick@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/sys buf.h Message-ID: <20011214231139.BEF083808@overcee.netplex.com.au> In-Reply-To: <200112141049.fBEAnFW14777@freefall.freebsd.org>
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Kirk McKusick wrote:
> mckusick 2001/12/14 02:49:15 PST
>
> Modified files:
> sys/sys buf.h
> Log:
> Add disk I/O scheduling for positively niced processes.
Aside from the layering assumptions, there is an obvious gotcha:
TAILQ_FOREACH(bn, &bioq->queue, bio_queue)
if (BIOTOBUF(bn)->b_vp != BIOTOBUF(bn)->b_vp)
^^ ^^
break;
ie: LHS is the same as RHS
Cheers,
-Peter
--
Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
"All of this is for nothing if we don't go to the stars" - JMS/B5
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