Re: [PATCH 1/1] device-dax: delete a redundancy check in dev_dax_validate_align()

[Dan Williams]

On Fri, Nov 20, 2020 at 1:27 AM Leizhen (ThunderTown)
<thunder.leizhen@xxxxxxxxxx> wrote:
>
>
>
> On 2020/11/20 17:20, Zhen Lei wrote:
> > After we have done the alignment check for the length of each range, the
> > alignment check for dev_dax_size(dev_dax) is no longer needed, because it
> > get the sum of the length of each range.
>
> For example:
> x/M + y/M = (x + y)/M
> If x/M is a integer and y/M is also a integer, then (x + y)/M must be a integer.
>

True... I was going to say that the different error messages might be
useful, but those are debug statements anyways, so I'll apply this.