From c4511bef96b6d2f61da677e77c0e7a5bdc6d098f Mon Sep 17 00:00:00 2001 From: Alexander Motin Date: Tue, 17 Nov 2009 21:45:28 +0000 Subject: [PATCH] MFC r196964: Do not check proper request alignment here in geom_dev in production. It will be checked any way later by g_io_check() in g_io_schedule_down(). It is only needed here to not trigger panic from additional check, when INVARIANTS enabled. So cover it with #ifdef INVARIANTS. It saves two 64bit divisions per request. --- sys/geom/geom_dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/geom/geom_dev.c b/sys/geom/geom_dev.c index b40dea07fcb..8b560abe37b 100644 --- a/sys/geom/geom_dev.c +++ b/sys/geom/geom_dev.c @@ -371,14 +371,14 @@ g_dev_strategy(struct bio *bp) cp = dev->si_drv2; KASSERT(cp->acr || cp->acw, ("Consumer with zero access count in g_dev_strategy")); - +#ifdef INVARIANTS if ((bp->bio_offset % cp->provider->sectorsize) != 0 || (bp->bio_bcount % cp->provider->sectorsize) != 0) { bp->bio_resid = bp->bio_bcount; biofinish(bp, NULL, EINVAL); return; } - +#endif for (;;) { /* * XXX: This is not an ideal solution, but I belive it to