linux-kernel - Re: [PATCH -next] f2fs: Simplify bool conversion

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Date:   Thu, 16 Dec 2021 11:27:42 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     chao@...nel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH -next] f2fs: Simplify bool conversion

On 12/15, Yang Li wrote:
> Fix the following coccicheck warning:
> ./fs/f2fs/sysfs.c:491:41-46: WARNING: conversion to bool not needed here
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
> ---
>  fs/f2fs/sysfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 9e1cf44642ae..530c36b89bf1 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -488,7 +488,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
>  
>  	if (!strcmp(a->attr.name, "gc_urgent_high_remaining")) {
>  		spin_lock(&sbi->gc_urgent_high_lock);
> -		sbi->gc_urgent_high_limited = t == 0 ? false : true;
> +		sbi->gc_urgent_high_limited = t != 0;

Why not this?
		sbi->gc_urgent_high_limited = t;

>  		sbi->gc_urgent_high_remaining = t;
>  		spin_unlock(&sbi->gc_urgent_high_lock);
>  
> -- 
> 2.20.1.7.g153144c