linux-kernel - Re: [PATCH] lib: remove "expecting prototype" kernel-doc warnings

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Message-Id: <20210413111828.365dcbcb2e24bfaa91e855ff@linux-foundation.org>
Date:   Tue, 13 Apr 2021 11:18:28 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org,
        Philipp Reisner <philipp.reisner@...bit.com>,
        Lars Ellenberg <lars.ellenberg@...bit.com>,
        drbd-dev@...n.linbit.com, Jiri Pirko <jiri@...dia.com>,
        netdev@...r.kernel.org, Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH] lib: remove "expecting prototype" kernel-doc warnings

On Sun, 11 Apr 2021 15:17:56 -0700 Randy Dunlap <rdunlap@...radead.org> wrote:

> Fix various kernel-doc warnings in lib/ due to missing or
> erroneous function names.
> Add kernel-doc for some function parameters that was missing.
> Use kernel-doc "Return:" notation in earlycpio.c.
> 
> Quietens the following warnings:
> 
> ../lib/earlycpio.c:61: warning: expecting prototype for cpio_data find_cpio_data(). Prototype was for find_cpio_data() instead
> 
> ../lib/lru_cache.c:640: warning: expecting prototype for lc_dump(). Prototype was for lc_seq_dump_details() instead
> lru_cache.c:90: warning: Function parameter or member 'cache' not described in 'lc_create'

I'm still seeing this.

> lru_cache.c:90: warning: Function parameter or member 'cache' not described in 'lc_create'

But it looks OK:

/**
 * lc_create - prepares to track objects in an active set
 * @name: descriptive name only used in lc_seq_printf_stats and lc_seq_dump_details
 * @cache: cache root pointer
 * @max_pending_changes: maximum changes to accumulate until a transaction is required
 * @e_count: number of elements allowed to be active simultaneously
 * @e_size: size of the tracked objects
 * @e_off: offset to the &struct lc_element member in a tracked object
 *
 * Returns a pointer to a newly initialized struct lru_cache on success,
 * or NULL on (allocation) failure.
 */
struct lru_cache *lc_create(const char *name, struct kmem_cache *cache,
		unsigned max_pending_changes,
		unsigned e_count, size_t e_size, size_t e_off)
{