[dm-devel] [PATCH 05/10] block: do not reassig ->bi_bdev when partition remapping

[Jens Axboe]

On Sun, Jan 24, 2021 at 3:05 AM Christoph Hellwig <hch at lst.de> wrote:
>
> There is no good reason to reassign ->bi_bdev when remapping the
> partition-relative block number to the device wide one, as all the
> information required by the drivers comes from the gendisk anyway.
>
> Keeping the original ->bi_bdev alive will allow to greatly simplify
> the partition-away I/O accounting.

This one causes boot failures for me on my laptop...

-- 
Jens Axboe