From 1959d21232931dfa686769a21161413f10d6652f Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 6 Jul 2006 10:18:05 +0200 Subject: [PATCH] Only the first two bits in bio->bi_rw and rq->flags match Not three, as assumed. This causes the barrier bit to be needlessly set for some IO. Signed-off-by: Jens Axboe --- include/linux/blktrace_api.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 2346a1db8561..7520cc1ff9e2 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -148,7 +148,7 @@ static inline void blk_add_trace_rq(struct request_queue *q, struct request *rq, u32 what) { struct blk_trace *bt = q->blk_trace; - int rw = rq->flags & 0x07; + int rw = rq->flags & 0x03; if (likely(!bt)) return; -- cgit v1.2.3