On Tue, Sep 1, 2020 at 9:00 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
[...]
> drivers/md/md-cluster.c | 6 ++---
> drivers/md/md-linear.c | 2 +-
> drivers/md/md.c | 10 ++++-----
For md bits:
Acked-by: Song Liu <song@xxxxxxxxxx>
[...]
>
> +/**
> + * revalidate_disk_size - checks for disk size change and adjusts bdev size.
> + * @disk: struct gendisk to check
> + * @verbose: if %true log a message about a size change if there is any
> + *
> + * This routine checks to see if the bdev size does not match the disk size
> + * and adjusts it if it differs. When shrinking the bdev size, its all caches
> + * are freed.
> + */
> +void revalidate_disk_size(struct gendisk *disk, bool verbose)
> +{
> + struct block_device *bdev;
> +
> + /*
> + * Hidden disks don't have associated bdev so there's no point in
> + * revalidating them.
> + */
> + if (disk->flags & GENHD_FL_HIDDEN)
> + return;
> +
> + bdev = bdget_disk(disk, 0);
> + if (bdev) {
> + check_disk_size_change(disk, bdev, verbose);
> + bdput(bdev);
> + }
> +}
> +EXPORT_SYMBOL(revalidate_disk_size);
Shall we use EXPORT_SYMBOL_GPL() here?
[...]
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