Merge patch series "fsdax/xfs: unshare range fixes for 6.12"

Merge patch series "fsdax/xfs: unshare range fixes for 6.12"

Darrick J. Wong <djwong@kernel.org> says:

This patchset fixes multiple data corruption bugs in the fallocate
unshare range implementation for fsdax.

* patches from https://lore.kernel.org/r/172796813251.1131942.12184885574609980777.stgit@frogsfrogsfrogs:
  fsdax: dax_unshare_iter needs to copy entire blocks
  fsdax: remove zeroing code from dax_unshare_iter
  iomap: share iomap_unshare_iter predicate code with fsdax
  xfs: don't allocate COW extents when unsharing a hole

Link: https://lore.kernel.org/r/172796813251.1131942.12184885574609980777.stgit@frogsfrogsfrogs
Signed-off-by: Christian Brauner <brauner@kernel.org>