linux-kernel - Re: [PATCH 02/10] dax: reduce stack footprint dealing with block device names

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Message-ID: <YLe9eDbG2c/rVjyu@casper.infradead.org>
Date:   Wed, 2 Jun 2021 18:18:48 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Anton Suvorov <warwish@...dex-team.ru>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        dmtrmonakhov@...dex-team.ru, linux-block@...r.kernel.org,
        viro@...iv.linux.org.uk
Subject: Re: [PATCH 02/10] dax: reduce stack footprint dealing with block
 device names

On Wed, Jun 02, 2021 at 06:28:55PM +0300, Anton Suvorov wrote:
> @@ -81,29 +80,29 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev,
>  	int err, id;
>  
>  	if (blocksize != PAGE_SIZE) {
> -		pr_info("%s: error: unsupported blocksize for dax\n",
> -				bdevname(bdev, buf));
> +		pr_info("%pg: error: unsupported blocksize for dax\n",
> +			bdev);

You can combine these onto one line without passing 80 columns:

		pr_info("%pg: error: unsupported blocksize for dax\n", bdev);

(many other examples of this)