Re: [PATCH v4 1/2] sunrpc: fix unused variable warnings by using no_printk

[Andrew Lunn]

On Fri, Feb 27, 2026 at 11:26:23PM +0800, Sean Chang wrote:
> When CONFIG_SUNRPC_DEBUG is disabled, the dfprintk() macros currently
> expand to empty do-while loops. This causes variables used solely
> within these calls to appear unused, triggering -Wunused-variable
> warnings.
> 
> Instead of marking every affected variable with __maybe_unused,
> update the dfprintk and dfprintk_rcu stubs to use no_printk().
> This allows the compiler to see the variables and perform type
> checking without emitting any code, thus silencing the warnings
> globally for these macros.
> 
> Suggested-by: Andrew Lunn <andrew@xxxxxxx>
> Signed-off-by: Sean Chang <seanwascoding@xxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew