From: majianpeng <majianpeng@gmail.com>
Date: Wed, 21 Dec 2011 14:27:24 +0000 (+0100)
Subject: block: re-use existing 'reading' variable instead of checking direction again
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=609f6ea1c9cdfe0c43a927e13205a57d0c266d5a;p=~shefty%2Frdma-dev.git

block: re-use existing 'reading' variable instead of checking direction again

Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/blk-map.c b/block/blk-map.c
index 164cd005970..623e1cd4cff 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -311,7 +311,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
 	if (IS_ERR(bio))
 		return PTR_ERR(bio);
 
-	if (rq_data_dir(rq) == WRITE)
+	if (!reading)
 		bio->bi_rw |= REQ_WRITE;
 
 	if (do_copy)