From owner-freebsd-hackers  Mon Jan 11 14:35:25 1999
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Date: Mon, 11 Jan 1999 14:34:43 -0800 (PST)
From: Matthew Jacob <mjacob@feral.com>
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To: freebsd-hackers@FreeBSD.ORG
Subject: what is the meaning of this useless code?
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in kern_physio.c:

struct buf *
phygetvpbuf(dev_t dev, int resid)
{
        struct cdevsw *bdsw;
        int maxio;

        bdsw = cdevsw[major(dev)];
        if ((bdsw == NULL) || (bdsw->d_bmaj == -1))
                return getpbuf();

        maxio = bdsw->d_maxio;
        if (resid > maxio)
                resid = maxio;

        return getpbuf();
}


why is resid being truyncaated and maxio being set when this has no
effect?



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