Re: [PATCH v2] fs: proc: store PDE()->data into inode->i_private

[Christoph Hellwig]

On Fri, Nov 19, 2021 at 12:11:04PM +0800, Muchun Song wrote:
> +
> +/*
> + * Obtain the private data passed by user through proc_create_data() or
> + * related.
> + */
> +static inline void *pde_data(const struct inode *inode)
> +{
> +	return inode->i_private;
> +}
> +
> +#define PDE_DATA(i)	pde_data(i)

What is the point of pde_data?  If we really think changing to lower
case is worth it (I don't think so, using upper case for getting at
private data is a common idiom in file systems), we can just do that
scripted in one go.