linux-kernel - Re: [PATCH] Task: Extra credit : LKMP Bug Fixing 2024 Spring : Documentation

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Date: Sat, 3 Feb 2024 09:31:59 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Abhinav Jain <jain.abhinav177@...il.com>, skhan@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Task: Extra credit : LKMP Bug Fixing 2024 Spring :
 Documentation

Hi--

On 2/3/24 05:07, Abhinav Jain wrote:
> Added a prototype for dget() to fix the warning
> 
> Signed-off-by: Abhinav Jain <jain.abhinav177@...il.com>
> ---
>  include/linux/dcache.h | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/include/linux/dcache.h b/include/linux/dcache.h
> index 3da2f0545d5d..b082b48e7eb5 100644
> --- a/include/linux/dcache.h
> +++ b/include/linux/dcache.h
> @@ -301,7 +301,7 @@ extern char *dentry_path(const struct dentry *, char *, int);
>  /* Allocation counts.. */
>  
>  /**
> - *	dget, dget_dlock -	get a reference to a dentry
> + *	dget_dlock -	get a reference to a dentry
>   *	@dentry: dentry to get a reference to
>   *
>   *	Given a dentry or %NULL pointer increment the reference count
> @@ -315,6 +315,13 @@ static inline struct dentry *dget_dlock(struct dentry *dentry)
>  	return dentry;
>  }
>  
> +/**
> + *	dget -	get a reference to a dentry
> + *	@dentry: dentry to get a reference to
> + *
> + *	Given a dentry or %NULL pointer increment the reference count
> + *	unconditionally and return it.
> + */
>  static inline struct dentry *dget(struct dentry *dentry)
>  {
>  	if (dentry)

The function documentation now makes it look like these functions do the
same thing, so why have both of them -- or am I misreading it?

Anyway, this problem is already fixed in the linux-next tree (more specifically
in the vfs tree).

Thanks.
-- 
#Randy