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Date:   Sat, 4 Dec 2021 12:57:14 +0100
From:   Christian Brauner <christian.brauner@ubuntu.com>
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     Alexander Viro <viro@zeniv.linux.org.uk>,
        Luis Chamberlain <mcgrof@kernel.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Andrew Morton <akpm@linux-foundation.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Jonathan Corbet <corbet@lwn.net>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        Hao Li <lihao2018.fnst@cn.fujitsu.com>,
        Randy Dunlap <rdunlap@infradead.org>,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] fs/dcache: avoid unused-function warning
Message-ID: <20211204115714.kle6llg6ndmslt3q@wittgenstein>
References: <20211203190123.874239-1-arnd@kernel.org>
 <20211203190123.874239-2-arnd@kernel.org>
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On Fri, Dec 03, 2021 at 08:01:02PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> Now that 'dentry_stat' is marked 'static', we can run into this warning:
> 
> fs/dcache.c:128:29: error: 'dentry_stat' defined but not used [-Werror=unused-variable]
>   128 | static struct dentry_stat_t dentry_stat = {
> 
> Hide it in the same #ifdef as its only references.
> 
> Fixes: f0eea17ca8da ("fs: move dcache sysctls to its own file")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Looks good.
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>