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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>
majianpeng 13 years ago
parent
commit
609f6ea1c9
1 changed files with 1 additions and 1 deletions
  1. 1 1
      block/blk-map.c

+ 1 - 1
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)