[PATCH] blktrace: fix read-ahead bit

ad01b1ca · Milton Miller <[email protected]> · 2006-07-25 15:04:13 +02:00

It should be toggling the same bit on and off, fix it up.

Signed-off-by: Jens Axboe <[email protected]>

Changes

1 files changed · +1 −1

File	Status	Add	Del	Content
block/blktrace.c	modified	+1	−1	View file

diff --git a/block/blktrace.c b/block/blktrace.c
index b8c0702..265f7a8 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -80,7 +80,7 @@ static u32 bio_act[5] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_AC
 #define trace_sync_bit(rw)	\
 	(((rw) & (1 << BIO_RW_SYNC)) >> (BIO_RW_SYNC - 1))
 #define trace_ahead_bit(rw)	\
-	(((rw) & (1 << BIO_RW_AHEAD)) << (BIO_RW_AHEAD - 0))
+	(((rw) & (1 << BIO_RW_AHEAD)) << (2 - BIO_RW_AHEAD))
 
 /*
  * The worker for the various blk_add_trace*() types. Fills out a