On Mon, Sep 14, 2020 at 04:10:38PM -0700, Dan Williams wrote: > You also need to fix up ext4_break_layouts() and > xfs_break_dax_layouts() to expect ->_refcount is 0 instead of 1. This > also needs some fstests exposure. While we're at it, can we add a wait_fsdax_unref helper macro that hides the _refcount access from the file systems?
