On Wed, Oct 13, 2021 at 07:10:17AM +0200, Christoph Hellwig wrote: > Use the proper helper to read the block device size. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> I think it might make sense, as you suggest earlier, to add a "bytes" helper. This is the first user in the series needing: bdev_nr_sectors(...bdev) << SECTOR_SHIFT Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook