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Subject: Re: [PATCH] backing: silence compiler warning using __printf
To:     Mathieu Malaterre <malat@debian.org>
Cc:     Jan Kara <jack@suse.cz>, Andrew Morton <akpm@linux-foundation.org>,
        Nikolay Borisov <nborisov@suse.com>, Tejun Heo <tj@kernel.org>,
        Matthew Wilcox <mawilcox@microsoft.com>,
        Minchan Kim <minchan@kernel.org>, linux-kernel@vger.kernel.org
References: <20180406201453.32683-1-malat@debian.org>
From:   Jens Axboe <axboe@kernel.dk>
Message-ID: <f8d37511-2a23-53f5-3c70-8a7f5f9e965e@kernel.dk>
Date:   Mon, 9 Apr 2018 09:51:41 -0600
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On 4/6/18 2:14 PM, Mathieu Malaterre wrote:
> __printf marker was added in commit d2cc4dde9206 ("bdi_register: add
> __printf verification, fix arg mismatch") for function `bdi_register`
> since it is useful to verify format and arguments. Apply equivalent gcc
> attribute to `bdi_register_va`.
> 
> Remove warning triggered with W=1:
> 
>   mm/backing-dev.c:881:2: warning: function might be possible candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]

Applied, thanks.

-- 
Jens Axboe