block: sync part's ->bd_has_submit_bio with disk's

submit_bio() always uses bio->bi_bdev->bd_has_submit_bio to decide if
disk's ->submit_bio() is called, and bio->bi_bdev could point to one
partition device.

So we have to sync part bdev's ->bd_has_submit_bio with disk's.

Reported-by: Changhui Zhong <czhong@redhat.com>
Link: https://lore.kernel.org/linux-block/ZEdItaPqif8fp85H@ovpn-8-24.pek2.redhat.com/T/#t
Fixes: 9f4107b ("block: store bdev->bd_disk->fops->submit_bio state in bdev")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230425034154.110099-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: Ming Lei

block/bdev.c

@@ -418,8 +418,11 @@ struct block_device *bdev_alloc(struct gendisk *disk, u8 partno)
 	bdev->bd_partno = partno;
 	bdev->bd_inode = inode;
 	bdev->bd_queue = disk->queue;
+	if (partno)
+		bdev->bd_has_submit_bio = disk->part0->bd_has_submit_bio;
+	else
+		bdev->bd_has_submit_bio = false;
 	bdev->bd_stats = alloc_percpu(struct disk_stats);
-	bdev->bd_has_submit_bio = false;
 	if (!bdev->bd_stats) {
 		iput(inode);
 		return NULL;