On Thu, Aug 19, 2021 at 02:25:52PM -0700, Dan Williams wrote: > Given most of the iomap_iter users don't care about srcmap, i.e. are > not COW cases, they are leaving srcmap zero initialized. Should the > IOMAP types be incremented by one so that there is no IOMAP_HOLE > confusion? In other words, fold something like this?
A hole really means nothing to read from the source. The existing code also relies on that.
