linux-kernel - Re: [PATCH block/for-next v2 07/16] bcachefs: use new helper to get inode from block

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Message-ID: <20231127064953.uo7bf2o62nroyjxs@moria.home.lan>
Date:   Mon, 27 Nov 2023 01:49:53 -0500
From:   Kent Overstreet <kent.overstreet@...ux.dev>
To:     Yu Kuai <yukuai1@...weicloud.com>
Cc:     hch@...radead.org, ming.lei@...hat.com, axboe@...nel.dk,
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Subject: Re: [PATCH block/for-next v2 07/16] bcachefs: use new helper to get
 inode from block_device

On Mon, Nov 27, 2023 at 02:21:07PM +0800, 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: Kent Overstreet <kent.overstreet@...ux.dev>

> ---
>  fs/bcachefs/util.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
> index 2984b57b2958..fe7ccb3a3517 100644
> --- a/fs/bcachefs/util.h
> +++ b/fs/bcachefs/util.h
> @@ -518,7 +518,7 @@ int bch2_bio_alloc_pages(struct bio *, size_t, gfp_t);
>  
>  static inline sector_t bdev_sectors(struct block_device *bdev)
>  {
> -	return bdev->bd_inode->i_size >> 9;
> +	return bdev_inode(bdev)->i_size >> 9;
>  }
>  
>  #define closure_bio_submit(bio, cl)					\
> -- 
> 2.39.2
>