linux-kernel - Re: [PATCH] jfs: remove unused pointer tblk

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Date:   Mon, 25 Apr 2022 17:48:05 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Colin Ian King <colin.i.king@...il.com>
Cc:     Dave Kleikamp <shaggy@...nel.org>,
        jfs-discussion@...ts.sourceforge.net,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jfs: remove unused pointer tblk

On Sun, Apr 24, 2022 at 05:13:30PM +0100, Colin Ian King wrote:
> The pointer tlbk is not used, it is redundant and can be removed.
> Cleans up cppcheck warning:
> 
> linux/fs/jfs/jfs_xtree.c:2551:17: style: Unused variable: tblk [unusedVariable]
> 
> Signed-off-by: Colin Ian King <colin.i.king@...il.com>
> ---
>  fs/jfs/jfs_xtree.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/fs/jfs/jfs_xtree.c b/fs/jfs/jfs_xtree.c
> index 3148e9b35f3b..d29979d0a6aa 100644
> --- a/fs/jfs/jfs_xtree.c
> +++ b/fs/jfs/jfs_xtree.c
> @@ -2548,7 +2548,6 @@ xtRelocate(tid_t tid, struct inode * ip, xad_t * oxad,	/* old XAD */
>  	   int xtype)
>  {				/* extent type: XTPAGE or DATAEXT */
>  	int rc = 0;
> -	struct tblock *tblk;

This would have caused a build error if it weren't ifdeffed out.

#ifdef _STILL_TO_PORT

JFS is an IBM filesystem from OS/2.  Apparently, this stuff never got
ported?  Probably we could just delete the dead code.

regards,
dan carpenter