On Mon, Jan 25, 2021 at 10:53:36AM -0700, Jens Axboe wrote: > On Sun, Jan 24, 2021 at 3:05 AM Christoph Hellwig <hch@xxxxxx> 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... Any output to share? Details of the config?