nbd: Use set_blocksize() to set device blocksize

commit c8a83a6b54d0ca078de036aafb3f6af58c1dc5eb upstream.

NBD can update block device block size implicitely through
bd_set_size(). Make it explicitely set blocksize with set_blocksize() as
this behavior of bd_set_size() is going away.

CC: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index fe1414df0f3319cb201eb9fb63b14c4773c1c3fa..d32cd943dff2c16b90e5ea09a4669b477abc0764 100644 (file)
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -275,9 +275,10 @@ static void nbd_size_update(struct nbd_device *nbd)
        blk_queue_physical_block_size(nbd->disk->queue, config->blksize);
        set_capacity(nbd->disk, config->bytesize >> 9);
        if (bdev) {
-               if (bdev->bd_disk)
+               if (bdev->bd_disk) {
                        bd_set_size(bdev, config->bytesize);
-               else
+                       set_blocksize(bdev, config->blksize);
+               } else
                        bdev->bd_invalidated = 1;
                bdput(bdev);
        }