Re: [PATCH 11/12] HPPFS: add dentry_ops->d_revalidate

[Al Viro <viro@ftp.linux.org.uk>]

On Sun, Sep 18, 2005 at 04:10:07PM +0200, Paolo 'Blaisorblade' Giarrusso wrote:
> +static int hppfs_d_revalidate(struct dentry * dentry, struct nameidata * nd)
> +{
> +	int (*d_revalidate)(struct dentry *, struct nameidata *);
> +	struct dentry *proc_dentry;
> +
> +	proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
> +	if (proc_dentry->d_op && proc_dentry->d_op->d_revalidate)
> +		d_revalidate = proc_dentry->d_op->d_revalidate;
> +	else
> +		return 1; /* "Still valid" code */
> +
> +	return (*d_revalidate)(proc_dentry, nd);
> +}

Ahem...  Guess what that will do with negative dentry?
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