btrfs: use op_is_sync to check for synchronous requests

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

fs/btrfs/disk-io.c

@@ -930,7 +930,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
 
 	atomic_inc(&fs_info->nr_async_submits);
 
-	if (bio->bi_opf & REQ_SYNC)
+	if (op_is_sync(bio->bi_opf))
 		btrfs_set_work_high_priority(&async->work);
 
 	btrfs_queue_work(fs_info->workers, &async->work);

fs/btrfs/volumes.c

@@ -6100,7 +6100,7 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root,
 	bio->bi_next = NULL;
 
 	spin_lock(&device->io_lock);
-	if (bio->bi_opf & REQ_SYNC)
+	if (op_is_sync(bio->bi_opf))
 		pending_bios = &device->pending_sync_bios;
 	else
 		pending_bios = &device->pending_bios;