Re: [PATCH RFC v2 for-6.8/block 01/18] block: add some bdev apis

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On Mon 11-12-23 22:05:35, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
> 
> Those apis will be used for other modules, so that bd_inode won't be
> accessed directly from other modules.
> 
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>

...

> +void bdev_associated_mapping(struct block_device *bdev,
> +			     struct address_space *mapping)
> +{
> +	mapping->host = bdev->bd_inode;
> +}

Here I'm not sure - is the helper really a win? It seems a bit obscure to
me. This initialization of another mapping for a bdev looks really special.

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR




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