On Fri, May 05, 2023 at 06:28:04AM +0100, Matthew Wilcox wrote:

But the radix tree API is simply a different (and worse) API to the
exact same data structure as the XArray.  Using the XArray instead of
the radix tree is still an apples-to-apples comparison.

And if he wants to do a 1:1 comparism, just convert null_blk to
xarray, which would actually be more useful work than this whole
thread..