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: 9f4107b07b17 ("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>

diff --git a/block/bdev.c b/block/bdev.c
index 717089a5726f01263c3bf5e87c51874ebaa66eda..21c63bfef3237aaa5b37f353167562f30eb51074 100644 (file)
--- a/block/bdev.c
+++ b/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;