On Tue, Feb 13, 2024 at 08:15:08AM +0000, John Garry wrote: > I'm note sure if that would be better in the fops.c patch (or not added) We'll need the partition check. If you want to get fancy you could also add the atomic boundary offset thing there as a partitions would make devices with that "feature" useful again, although I'd prefer to only deal with that if the need actually arises. The right place is in the core infrastructure, the bdev patch is just a user of the block infrastructure. bdev really are just another file system and a consumer of the block layer APIs.