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Re: [PATCH -next RFC 02/14] xen/blkback: use bdev api in xen_update_blkif_status()
- To: Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>
- From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
- Date: Tue, 5 Dec 2023 21:55:12 -0800
- Cc: axboe@xxxxxxxxx, roger.pau@xxxxxxxxxx, colyli@xxxxxxx, kent.overstreet@xxxxxxxxx, joern@xxxxxxxxxxxxxxx, miquel.raynal@xxxxxxxxxxx, richard@xxxxxx, vigneshr@xxxxxx, sth@xxxxxxxxxxxxx, hoeppner@xxxxxxxxxxxxx, hca@xxxxxxxxxxxxx, gor@xxxxxxxxxxxxx, agordeev@xxxxxxxxxxxxx, jejb@xxxxxxxxxxxxx, martin.petersen@xxxxxxxxxx, clm@xxxxxx, josef@xxxxxxxxxxxxxx, dsterba@xxxxxxxx, nico@xxxxxxxxxxx, xiang@xxxxxxxxxx, chao@xxxxxxxxxx, tytso@xxxxxxx, adilger.kernel@xxxxxxxxx, agruenba@xxxxxxxxxx, jack@xxxxxxxx, konishi.ryusuke@xxxxxxxxx, willy@xxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, hare@xxxxxxx, p.raghav@xxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-bcachefs@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, linux-erofs@xxxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, gfs2@xxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, yukuai3@xxxxxxxxxx, yi.zhang@xxxxxxxxxx, yangerkun@xxxxxxxxxx
- Delivery-date: Wed, 06 Dec 2023 05:55:47 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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.
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