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From: Matthew Wilcox <willy@infradead.org>
To: Johannes Thumshirn <jth@kernel.org>
Cc: Damien Le Moal <dlemoal@kernel.org>,
	linux-fsdevel@vger.kernel.org,
	Johannes Thumshirn <johannes.thumshirn@wdc.com>
Subject: Re: [PATCH v2] zonefs: move super block reading from page to folio
Date: Thu, 23 May 2024 14:34:27 +0100	[thread overview]
Message-ID: <Zk9F43It82lvM3Nr@casper.infradead.org> (raw)
In-Reply-To: <20240523130153.27537-1-jth@kernel.org>

On Thu, May 23, 2024 at 03:01:53PM +0200, Johannes Thumshirn wrote:
>  static int zonefs_read_super(struct super_block *sb)
>  {
>  	struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
> +	struct address_space *address_space = sb->s_bdev->bd_inode->i_mapping;

203c1ce0bb06 killed bd_inode.  You want

	struct address_space *address_space = sb->s_bdev->bd_mapping

> +	folio = read_mapping_folio(address_space, 0, NULL);
> +	if (IS_ERR(folio))
> +		return -EINVAL;

Wouldn't it be better to return PTR_ERR(folio)?


      parent reply	other threads:[~2024-05-23 13:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-23 13:01 [PATCH v2] zonefs: move super block reading from page to folio Johannes Thumshirn
2024-05-23 13:10 ` Johannes Thumshirn
2024-05-23 13:34 ` Matthew Wilcox [this message]

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