linux-kernel - Re: [PATCH 2/6] fs: add frozen sb state helpers

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Date:   Thu, 25 May 2023 14:19:23 +0200
From:   Jan Kara <jack@...e.cz>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     hch@...radead.org, djwong@...nel.org, sandeen@...deen.net,
        song@...nel.org, rafael@...nel.org, gregkh@...uxfoundation.org,
        viro@...iv.linux.org.uk, jack@...e.cz, jikos@...nel.org,
        bvanassche@....org, ebiederm@...ssion.com, mchehab@...nel.org,
        keescook@...omium.org, p.raghav@...sung.com, da.gomez@...sung.com,
        linux-fsdevel@...r.kernel.org, kernel@...force.de,
        kexec@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] fs: add frozen sb state helpers

On Sun 07-05-23 18:17:13, Luis Chamberlain wrote:
> Provide helpers so that we can check a superblock frozen state.
> This will make subsequent changes easier to read. This makes
> no functional changes.
> 
> Reviewed-by: Jan Kara <jack@...e.cz>
> Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>

Just noticed one nit...

> diff --git a/fs/super.c b/fs/super.c
> index 0e9d48846684..46c6475fc765 100644
> --- a/fs/super.c
> +++ b/fs/super.c
> @@ -905,7 +905,7 @@ int reconfigure_super(struct fs_context *fc)
>  
>  	if (fc->sb_flags_mask & ~MS_RMT_MASK)
>  		return -EINVAL;
> -	if (sb->s_writers.frozen != SB_UNFROZEN)
> +	if (!(sb_is_unfrozen(sb)))
             ^ unneeded parenthesis here

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR