linux-kernel - Re: [PATCH] xfs: Remove unused function xrep_dir_self

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Message-ID: <20240424030656.GC360919@frogsfrogsfrogs>
Date: Tue, 23 Apr 2024 20:06:56 -0700
From: "Darrick J. Wong" <djwong@...nel.org>
To: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc: chandan.babu@...cle.com, linux-xfs@...r.kernel.org,
	linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH] xfs: Remove unused function xrep_dir_self_parent

On Wed, Apr 24, 2024 at 10:06:38AM +0800, Jiapeng Chong wrote:
> The function are defined in the dir_repair.c file, but not called
> elsewhere, so delete the unused function.
> 
> fs/xfs/scrub/dir_repair.c:186:1: warning: unused function 'xrep_dir_self_parent'.
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8867
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

Yep, not used anywhere in my patchsets.  Thank you for catching this and
cleaning it up.
Reviewed-by: Darrick J. Wong <djwong@...nel.org>

--D

> ---
>  fs/xfs/scrub/dir_repair.c | 21 ---------------------
>  1 file changed, 21 deletions(-)
> 
> diff --git a/fs/xfs/scrub/dir_repair.c b/fs/xfs/scrub/dir_repair.c
> index 38957da26b94..f8450c7f99f4 100644
> --- a/fs/xfs/scrub/dir_repair.c
> +++ b/fs/xfs/scrub/dir_repair.c
> @@ -176,27 +176,6 @@ xrep_setup_directory(
>  	return 0;
>  }
>  
> -/*
> - * If we're the root of a directory tree, we are our own parent.  If we're an
> - * unlinked directory, the parent /won't/ have a link to us.  Set the parent
> - * directory to the root for both cases.  Returns NULLFSINO if we don't know
> - * what to do.
> - */
> -static inline xfs_ino_t
> -xrep_dir_self_parent(
> -	struct xrep_dir		*rd)
> -{
> -	struct xfs_scrub	*sc = rd->sc;
> -
> -	if (sc->ip->i_ino == sc->mp->m_sb.sb_rootino)
> -		return sc->mp->m_sb.sb_rootino;
> -
> -	if (VFS_I(sc->ip)->i_nlink == 0)
> -		return sc->mp->m_sb.sb_rootino;
> -
> -	return NULLFSINO;
> -}
> -
>  /*
>   * Look up the dotdot entry and confirm that it's really the parent.
>   * Returns NULLFSINO if we don't know what to do.
> -- 
> 2.20.1.7.g153144c
> 
>