On Mon, 27 Oct 2008 21:58:54 +0900 Takashi Sato <t-sato@yk.jp.nec.com> wrote:

quoted text
> -void thaw_bdev(struct block_device *bdev, struct super_block *sb)
> +int thaw_bdev(struct block_device *bdev, struct super_block *sb)
>  {
> +	int error = 0;
> +
> +	mutex_lock(&bdev->bd_fsfreeze_mutex);
> +	if (!bdev->bd_fsfreeze_count) {
> +		mutex_unlock(&bdev->bd_fsfreeze_mutex);
> +		return -EINVAL;

This would be a programming error, yes?

If so, a WARN_ON is more appropriate than a silent runtime error.

quoted text
> +	}
--
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