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Date:   Sun, 18 Apr 2021 12:19:02 -0500
From:   Tyler Hicks <code@tyhicks.com>
To:     Lee Jones <lee.jones@linaro.org>
Cc:     linux-kernel@vger.kernel.org,
        Christian Brauner <christian.brauner@ubuntu.com>,
        James Morris <jamorris@linux.microsoft.com>,
        "Michael A. Halcrow" <mahalcro@us.ibm.com>,
        "Michael C. Thompson" <mcthomps@us.ibm.com>,
        ecryptfs@vger.kernel.org
Subject: Re: [PATCH 26/31] fs: ecryptfs: main: Demote a bunch of
 non-conformant kernel-doc headers
Message-ID: <20210418171902.GB398325@elm>
References: <20210330164458.1625478-1-lee.jones@linaro.org>
 <20210330164458.1625478-27-lee.jones@linaro.org>
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In-Reply-To: <20210330164458.1625478-27-lee.jones@linaro.org>
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On 2021-03-30 17:44:53, Lee Jones wrote:
> Fixes the following W=1 kernel build warning(s):
> 
>  fs/ecryptfs/main.c:28: warning: Incorrect use of kernel-doc format:  * Module parameter that defines the ecryptfs_verbosity level.
>  fs/ecryptfs/main.c:30: warning: cannot understand function prototype: 'int ecryptfs_verbosity = 0; '
>  fs/ecryptfs/main.c:40: warning: cannot understand function prototype: 'unsigned int ecryptfs_message_buf_len = ECRYPTFS_DEFAULT_MSG_CTX_ELEMS; '
>  fs/ecryptfs/main.c:52: warning: cannot understand function prototype: 'signed long ecryptfs_message_wait_timeout = ECRYPTFS_MAX_MSG_CTX_TTL / HZ; '
>  fs/ecryptfs/main.c:65: warning: cannot understand function prototype: 'unsigned int ecryptfs_number_of_users = ECRYPTFS_DEFAULT_NUM_USERS; '
>  fs/ecryptfs/main.c:106: warning: Function parameter or member 'dentry' not described in 'ecryptfs_init_lower_file'
>  fs/ecryptfs/main.c:106: warning: Function parameter or member 'lower_file' not described in 'ecryptfs_init_lower_file'
>  fs/ecryptfs/main.c:106: warning: Excess function parameter 'ecryptfs_dentry' description in 'ecryptfs_init_lower_file'
>  fs/ecryptfs/main.c:244: warning: Function parameter or member 'sbi' not described in 'ecryptfs_parse_options'
>  fs/ecryptfs/main.c:244: warning: Excess function parameter 'sb' description in 'ecryptfs_parse_options'
>  fs/ecryptfs/main.c:478: warning: Function parameter or member 'fs_type' not described in 'ecryptfs_mount'
>  fs/ecryptfs/main.c:478: warning: Function parameter or member 'flags' not described in 'ecryptfs_mount'
>  fs/ecryptfs/main.c:478: warning: expecting prototype for ecryptfs_get_sb(). Prototype was for ecryptfs_mount() instead
>  fs/ecryptfs/main.c:645: warning: Function parameter or member 'vptr' not described in 'inode_info_init_once'
> 
> Cc: Tyler Hicks <code@tyhicks.com>
> Cc: Christian Brauner <christian.brauner@ubuntu.com>
> Cc: James Morris <jamorris@linux.microsoft.com>
> Cc: "Michael A. Halcrow" <mahalcro@us.ibm.com>
> Cc: "Michael C. Thompson" <mcthomps@us.ibm.com>
> Cc: ecryptfs@vger.kernel.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> ---
>  fs/ecryptfs/main.c | 20 +++++++++-----------
>  1 file changed, 9 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
> index cdf40a54a35d8..0a6ef2472f205 100644
> --- a/fs/ecryptfs/main.c
> +++ b/fs/ecryptfs/main.c
> @@ -1,5 +1,5 @@
>  // SPDX-License-Identifier: GPL-2.0-or-later
> -/**
> +/*
>   * eCryptfs: Linux filesystem encryption layer
>   *
>   * Copyright (C) 1997-2003 Erez Zadok
> @@ -24,7 +24,7 @@
>  #include <linux/magic.h>
>  #include "ecryptfs_kernel.h"
>  
> -/**
> +/*
>   * Module parameter that defines the ecryptfs_verbosity level.
>   */
>  int ecryptfs_verbosity = 0;
> @@ -34,7 +34,7 @@ MODULE_PARM_DESC(ecryptfs_verbosity,
>  		 "Initial verbosity level (0 or 1; defaults to "
>  		 "0, which is Quiet)");
>  
> -/**
> +/*
>   * Module parameter that defines the number of message buffer elements
>   */
>  unsigned int ecryptfs_message_buf_len = ECRYPTFS_DEFAULT_MSG_CTX_ELEMS;
> @@ -43,7 +43,7 @@ module_param(ecryptfs_message_buf_len, uint, 0);
>  MODULE_PARM_DESC(ecryptfs_message_buf_len,
>  		 "Number of message buffer elements");
>  
> -/**
> +/*
>   * Module parameter that defines the maximum guaranteed amount of time to wait
>   * for a response from ecryptfsd.  The actual sleep time will be, more than
>   * likely, a small amount greater than this specified value, but only less if
> @@ -57,7 +57,7 @@ MODULE_PARM_DESC(ecryptfs_message_wait_timeout,
>  		 "sleep while waiting for a message response from "
>  		 "userspace");
>  
> -/**
> +/*
>   * Module parameter that is an estimate of the maximum number of users
>   * that will be concurrently using eCryptfs. Set this to the right
>   * value to balance performance and memory use.
> @@ -80,7 +80,7 @@ void __ecryptfs_printk(const char *fmt, ...)
>  	va_end(args);
>  }
>  
> -/**
> +/*
>   * ecryptfs_init_lower_file
>   * @ecryptfs_dentry: Fully initialized eCryptfs dentry object, with
>   *                   the lower dentry and the lower mount set
> @@ -221,7 +221,7 @@ static void ecryptfs_init_mount_crypt_stat(
>  
>  /**
>   * ecryptfs_parse_options
> - * @sb: The ecryptfs super block
> + * @sbi: The ecryptfs super block
>   * @options: The options passed to the kernel
>   * @check_ruid: set to 1 if device uid should be checked against the ruid
>   *
> @@ -466,10 +466,8 @@ static int ecryptfs_parse_options(struct ecryptfs_sb_info *sbi, char *options,
>  struct kmem_cache *ecryptfs_sb_info_cache;
>  static struct file_system_type ecryptfs_fs_type;
>  
> -/**
> +/*
>   * ecryptfs_get_sb
> - * @fs_type
> - * @flags

This wasn't quite the right change. This function documentation block
was for ecryptfs_mount(). It was probably ecryptfs_get_sb() in the past
and the docs weren't updated. I've adjusted the function doc header and
added descriptions for @fs_type and @flags.

Tyler

>   * @dev_name: The path to mount over
>   * @raw_data: The options passed into the kernel
>   */
> @@ -635,7 +633,7 @@ static struct file_system_type ecryptfs_fs_type = {
>  };
>  MODULE_ALIAS_FS("ecryptfs");
>  
> -/**
> +/*
>   * inode_info_init_once
>   *
>   * Initializes the ecryptfs_inode_info_cache when it is created
> -- 
> 2.27.0
>