[dm-devel] Persistent memory interface

[hch at lst.de]

On Mon, Jun 22, 2015 at 09:35:47PM +0000, Verma, Vishal L wrote:
> Hm, what would be the use case? We do support a variety of metadata
> sizes for protection information [1]. Apart from this, the standard
> block sizes of 512 and 4096 are the only ones Linux can support, so I'm
> not sure what you mean by other binary block sizes?

Not that I think it's useful, but Linux generally supports any
power of two between 512 bytes and the system page size (largest
supported one for mainline architectures seems to be 64k).

There's also been all kinds of talk of supporting larger than page size
block sizes.