[PATCH] blk-throttle: use READ/WRITE directly

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From: Hong Zhiguo <zhiguohong@xxxxxxxxxxx>

To save some instructions

Signed-off-by: Hong Zhiguo <zhiguohong@xxxxxxxxxxx>
---
 block/blk-throttle.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 8331aba..f4fb859 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -1120,7 +1120,7 @@ static int throtl_dispatch_tg(struct throtl_grp *tg)
 	while ((bio = throtl_peek_queued(&sq->queued[READ])) &&
 	       tg_may_dispatch(tg, bio, NULL)) {
 
-		tg_dispatch_one_bio(tg, bio_data_dir(bio));
+		tg_dispatch_one_bio(tg, READ);
 		nr_reads++;
 
 		if (nr_reads >= max_nr_reads)
@@ -1130,7 +1130,7 @@ static int throtl_dispatch_tg(struct throtl_grp *tg)
 	while ((bio = throtl_peek_queued(&sq->queued[WRITE])) &&
 	       tg_may_dispatch(tg, bio, NULL)) {
 
-		tg_dispatch_one_bio(tg, bio_data_dir(bio));
+		tg_dispatch_one_bio(tg, WRITE);
 		nr_writes++;
 
 		if (nr_writes >= max_nr_writes)
@@ -1605,9 +1605,9 @@ static void tg_drain_bios(struct throtl_service_queue *parent_sq)
 		throtl_dequeue_tg(tg);
 
 		while ((bio = throtl_peek_queued(&sq->queued[READ])))
-			tg_dispatch_one_bio(tg, bio_data_dir(bio));
+			tg_dispatch_one_bio(tg, READ);
 		while ((bio = throtl_peek_queued(&sq->queued[WRITE])))
-			tg_dispatch_one_bio(tg, bio_data_dir(bio));
+			tg_dispatch_one_bio(tg, WRITE);
 	}
 }
 
-- 
1.8.1.2

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