Re: [PATCH 15/26] range: Add range_overlaps()

[Davidlohr Bueso]

On Sun, 24 Mar 2024, Ira Weiny wrote:

> Code to support CXL Dynamic Capacity devices will have extent ranges
> which need to be compared for intersection not a subset as is being
> checked in range_contains().
>
> range_overlaps() is defined in btrfs with a different meaning from what
> is required in the standard range code.  Dan Williams pointed this out
> in [1].  Adjust the btrfs call according to his suggestion there.
>
> Then add a generic range_overlaps().

Reviewed-by: Davidlohr Bueso <dave@xxxxxxxxxxxx>