linux-kernel - Re: [PATCH 7/9] quota: Use the pre-processor to compile out quotactl_cmd_write when !CONFIG

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Date:	Wed, 7 Nov 2012 00:06:39 +0100
From:	Jan Kara <jack@...e.cz>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-kernel@...r.kernel.org, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 7/9] quota: Use the pre-processor to compile out
 quotactl_cmd_write when !CONFIG_BLOCK

On Sat 03-11-12 23:02:28, Lee Jones wrote:
> quotactl_cmd_write() is only ever invoked when BLOCK is configured. When
> !CONFIG_BLOCK, the build warning below is displayed. Let's fix that.
> 
> fs/quota/quota.c:311:12: warning: ‘quotactl_cmd_write’ defined but not used [-Wunused-function]
  Looks good. I've added the patch to my tree.

								Honza

> 
> Cc: Jan Kara <jack@...e.cz>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
>  fs/quota/quota.c |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/fs/quota/quota.c b/fs/quota/quota.c
> index af1661f..c7314f1 100644
> --- a/fs/quota/quota.c
> +++ b/fs/quota/quota.c
> @@ -307,6 +307,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
>  	}
>  }
>  
> +#ifdef CONFIG_BLOCK
> +
>  /* Return 1 if 'cmd' will block on frozen filesystem */
>  static int quotactl_cmd_write(int cmd)
>  {
> @@ -322,6 +324,8 @@ static int quotactl_cmd_write(int cmd)
>  	return 1;
>  }
>  
> +#endif /* CONFIG_BLOCK */
> +
>  /*
>   * look up a superblock on which quota ops will be performed
>   * - use the name of a block device to find the superblock thereon
> -- 
> 1.7.9.5
> 
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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