Date: Mon, 11 Jan 1999 14:34:43 -0800 (PST) From: Matthew Jacob <mjacob@feral.com> To: freebsd-hackers@FreeBSD.ORG Subject: what is the meaning of this useless code? Message-ID: <Pine.LNX.4.04.9901111433440.18573-100000@feral-gw>
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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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