Re: [PATCH -next RFC 02/14] xen/blkback: use bdev api in xen_update_blkif_status()

Christoph Hellwig
2023-12-06T05:55:19Z

On Tue, Dec 05, 2023 at 08:37:16PM +0800, Yu Kuai wrote:
> diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
> index e34219ea2b05..e645afa4af57 100644
> --- a/drivers/block/xen-blkback/xenbus.c
> +++ b/drivers/block/xen-blkback/xenbus.c
> @@ -104,8 +104,7 @@ static void xen_update_blkif_status(struct xen_blkif *blkif)
> xenbus_dev_error(blkif->be->dev, err, "block flush");
> return;
> }
> - invalidate_inode_pages2(
> - blkif->vbd.bdev_handle->bdev->bd_inode->i_mapping);
> + invalidate_bdev(blkif->vbd.bdev_handle->bdev);

blkbak is a bdev exported. I don't think it should ever call
invalidate_inode_pages2, through a wrapper or not.