linux-kernel - Re: [PATCH 1/5] fs/block_dev.c: make sb_is_blkdev_sb return bool when CONFIG

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Date:	Tue, 17 Nov 2015 09:25:28 -0500
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Yaowei Bai <baiyaowei@...s.chinamobile.com>
Cc:	akpm@...ux-foundation.org, viro@...iv.linux.org.uk,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] fs/block_dev.c: make sb_is_blkdev_sb return bool when CONFIG_BLOCK undefined

Yaowei Bai <baiyaowei@...s.chinamobile.com> writes:

> Currently when CONFIG_BLOCK is defined sb_is_blkdev_sb returns bool,
> while when CONFIG_BLOCK is not defined it returns int. Let's keep
> consistent to make sb_is_blkdev_sb return bool as well when CONFIG_BLOCK
> isn't defined.
>
> No functional change.
>
> Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com>

Reviewed-by: Jeff Moyer <jmoyer@...hat.com>

> ---
>  include/linux/fs.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index 3aa5142..11505af 100644
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -2291,9 +2291,9 @@ static inline void iterate_bdevs(void (*f)(struct block_device *, void *), void
>  {
>  }
>  
> -static inline int sb_is_blkdev_sb(struct super_block *sb)
> +static inline bool sb_is_blkdev_sb(struct super_block *sb)
>  {
> -	return 0;
> +	return false;
>  }
>  #endif
>  extern int sync_filesystem(struct super_block *);
--
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