Re: [PATCH v7 1/5] d_path: fix Kernel doc validator complaints

From: Andy Shevchenko
Date: Thu Jul 15 2021 - 06:34:24 EST


On Thu, Jul 15, 2021 at 09:14:03AM +0800, Jia He wrote:
> Kernel doc validator complains:
> Function parameter or member 'p' not described in 'prepend_name'
> Excess function parameter 'buffer' description in 'prepend_name'

Yup!
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

> Fixes: ad08ae586586 ("d_path: introduce struct prepend_buffer")
> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jia He <justin.he@xxxxxxx>
> ---
> fs/d_path.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/fs/d_path.c b/fs/d_path.c
> index 23a53f7b5c71..4eb31f86ca88 100644
> --- a/fs/d_path.c
> +++ b/fs/d_path.c
> @@ -33,9 +33,8 @@ static void prepend(struct prepend_buffer *p, const char *str, int namelen)
>
> /**
> * prepend_name - prepend a pathname in front of current buffer pointer
> - * @buffer: buffer pointer
> - * @buflen: allocated length of the buffer
> - * @name: name string and length qstr structure
> + * @p: prepend buffer which contains buffer pointer and allocated length
> + * @name: name string and length qstr structure
> *
> * With RCU path tracing, it may race with d_move(). Use READ_ONCE() to
> * make sure that either the old or the new name pointer and length are
> @@ -108,8 +107,7 @@ static int __prepend_path(const struct dentry *dentry, const struct mount *mnt,
> * prepend_path - Prepend path string to a buffer
> * @path: the dentry/vfsmount to report
> * @root: root vfsmnt/dentry
> - * @buffer: pointer to the end of the buffer
> - * @buflen: pointer to buffer length
> + * @p: prepend buffer which contains buffer pointer and allocated length
> *
> * The function will first try to write out the pathname without taking any
> * lock other than the RCU read lock to make sure that dentries won't go away.
> --
> 2.17.1
>

--
With Best Regards,
Andy Shevchenko