[dm-devel] device mapper target vs personality, how do you decide to pick one or the other?

[Mike Snitzer]

On Fri, Jul 11 2014 at  5:28pm -0400,
John Utz <John.Utz at wdc.com> wrote:

> Hi;
> 
> having stared at the code associated with these 2 constructs for a while, i cant come up with a clear reason why one would choose one over the other.
> 
> having said that, it seems that the personality code is ancestral and
> is used for the personalities that can be compiled into device mapper
> and the target code is for newer stuff that is not expected to be
> compiled into device mapper.

Not sure I know what you mean by "personality code" in DM.

> so, based on this speculation, i *think* i should be using the target
> construct for the new device mapper module that i am currently
> coding.
> 
> am i correct?

Probably.