Re: [PATCH 1/2] ocfs2: remove useless if statement

[Andrew Morton]

On Tue, 17 Feb 2015 16:13:50 +0900 Daeseok Youn <daeseok.youn@xxxxxxxxx> wrote:

> The Local variable "i" in for loop is always less then
> O2CB_MAP_STABILIZE_COUNT.
> 
> Signed-off-by: Daeseok Youn <daeseok.youn@xxxxxxxxx>
> ---
>  fs/ocfs2/stack_o2cb.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c
> index 1724d43..813d726 100644
> --- a/fs/ocfs2/stack_o2cb.c
> +++ b/fs/ocfs2/stack_o2cb.c
> @@ -295,8 +295,8 @@ static int o2cb_cluster_check(void)
>  		set_bit(node_num, netmap);
>  		if (!memcmp(hbmap, netmap, sizeof(hbmap)))
>  			return 0;
> -		if (i < O2CB_MAP_STABILIZE_COUNT)
> -			msleep(1000);
> +
> +		msleep(1000);
>  	}

I assume the code was intended to do

	if (i < O2CB_MAP_STABILIZE_COUNT - 1)
		msleep(1000);

to avoid a pointless 1-second delay when the operation times out.
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