On 26/06/2020 10:03, Christoph Hellwig wrote:
> -     size = bdev->bd_block_size;
> -     if (!size)
> -             size = 1024;
> -

Why is this correct? block_size() only returns 'bdev->bd_block_size' but I 
cannot 
see where it's made sure bd_block_size is not 0. At least no calls to 
set_blocksize()

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