Re: [PATCH 1/5] cifsd: add server handler and tranport layers

[Matthew Wilcox <willy@xxxxxxxxxxxxx>]

On Mon, Mar 22, 2021 at 02:13:40PM +0900, Namjae Jeon wrote:
> +#define RESPONSE_BUF(w)		((void *)(w)->response_buf)
> +#define REQUEST_BUF(w)		((void *)(w)->request_buf)

Why do you do this obfuscation?

> +#define RESPONSE_BUF_NEXT(w)	\
> +	((void *)((w)->response_buf + (w)->next_smb2_rsp_hdr_off))
> +#define REQUEST_BUF_NEXT(w)	\
> +	((void *)((w)->request_buf + (w)->next_smb2_rcv_hdr_off))

These obfuscations aren't even used; delete them

> +#define RESPONSE_SZ(w)		((w)->response_sz)
> +
> +#define INIT_AUX_PAYLOAD(w)	((w)->aux_payload_buf = NULL)
> +#define HAS_AUX_PAYLOAD(w)	((w)->aux_payload_sz != 0)

I mean, do you really find it clearer to write:

	if (HAS_AUX_PAYLOAD(work))
than
	if (work->aux_payload_sz)

The unobfuscated version is actually shorter!