[dm-devel] dm-cache suspend semantics

[Alasdair G Kergon]

On Wed, Aug 19, 2015 at 12:26:20PM +0100, Thanos Makatos wrote:
> I'd like to know whether it is possible for a cache target for which
> there are dirty blocks to continue writing back dirty data after it
> has been suspended. Can this happen?

A suspended device-mapper device must not generate any I/O to the
devices underneath it while it is suspended.

Alasdair