linux-kernel - Re: [PATCH block/for-next v2 09/16] cramfs: use new helper to get inode from block_device

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Message-ID: <srnpr4p2-qns9-rorp-7886-175105485062@syhkavp.arg>
Date:   Mon, 27 Nov 2023 10:28:57 -0500 (EST)
From:   Nicolas Pitre <nico@...xnic.net>
To:     Yu Kuai <yukuai1@...weicloud.com>
cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH block/for-next v2 09/16] cramfs: use new helper to get
 inode from block_device

On Mon, 27 Nov 2023, Yu Kuai wrote:

> From: Yu Kuai <yukuai3@...wei.com>
> 
> Which is more efficiency, and also prepare to remove the field
> 'bd_inode' from block_device.
> 
> Signed-off-by: Yu Kuai <yukuai3@...wei.com>

Acked-by: Nicolas Pitre <nico@...xnic.net>

> ---
>  fs/cramfs/inode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
> index 60dbfa0f8805..e9ed1e24c9e4 100644
> --- a/fs/cramfs/inode.c
> +++ b/fs/cramfs/inode.c
> @@ -183,7 +183,7 @@ static int next_buffer;
>  static void *cramfs_blkdev_read(struct super_block *sb, unsigned int offset,
>  				unsigned int len)
>  {
> -	struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
> +	struct address_space *mapping = bdev_inode(sb->s_bdev)->i_mapping;
>  	struct file_ra_state ra = {};
>  	struct page *pages[BLKS_PER_BUF];
>  	unsigned i, blocknr, buffer;
> -- 
> 2.39.2
> 
> 
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> http://lists.infradead.org/mailman/listinfo/linux-mtd/
> 

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