linux-kernel - Re: [f2fs-dev] [PATCH] f2fs: introduce f2fs_is

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Date:   Wed, 23 Nov 2022 18:32:32 +0000
From:   Eric Biggers <ebiggers@...nel.org>
To:     Yangtao Li <frank.li@...o.com>
Cc:     jaegeuk@...nel.org, chao@...nel.org, linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] f2fs: introduce f2fs_is_readonly() for
 readability

On Thu, Nov 24, 2022 at 01:01:53AM +0800, Yangtao Li via Linux-f2fs-devel wrote:
> Introduce f2fs_is_readonly() and use it to simplify code.
> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>
> ---
>  fs/f2fs/f2fs.h  | 5 +++++
>  fs/f2fs/super.c | 5 ++---
>  2 files changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index f0833638f59e..efc9d6d7b506 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -4576,6 +4576,11 @@ static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi, pgoff_t ofs,
>  	}
>  }
>  
> +static inline bool f2fs_is_readonly(struct f2fs_sb_info *sbi)
> +{
> +	return !!f2fs_sb_has_readonly(sbi) || f2fs_readonly(sbi->sb);
> +}

There is no need for the !! here.

- Eric