f2fs, block_dump: give WRITE direction to submit_bio

The block_dump in submit_bio uses rw, instead of bio->bi_rw.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index cda9b17..c59787f 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -224,7 +224,7 @@
 		trace_f2fs_submit_read_bio(sbi->sb, type, bio);
 	else
 		trace_f2fs_submit_write_bio(sbi->sb, type, bio);
-	submit_bio(0, bio);
+	submit_bio(bio_op(bio), bio);
 }
 
 static void __submit_merged_bio(struct f2fs_bio_info *io)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 588e8ad..cdf70661 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -809,7 +809,7 @@
 		}
 
 		if (bio) {
-			int ret = submit_bio_wait(0, bio);
+			int ret = submit_bio_wait(op, bio);
 			bio_put(bio);
 			if (ret)
 				return ret;