[dm-devel] [PATCH 4/4] Test chunk size against both origin and snapshot sector size

[Mikulas Patocka]

> > The Linux bio stack and page cache require that bdev_logical_block_size() 
> > is power of two.
> 
> OK, I'll have a look, but it sounds like we could use:
> (chunk_size & (bdev_logical_block_size(...) - 1))

We could, but it doesn't matter anyway because it's just initialization 
and it's not performance critical.

Mikulas