On Wed, Dec 08, 2021 at 04:55:59PM -0800, Darrick J. Wong wrote: > Ok, so ... I don't know what I'm supposed to apply this to? Is this > something that should go in Christoph's development branch? This is against the decouple DAX from block devices series, which also decouples DAX zeroing from iomap buffered I/O zeroing. It is in nvdimm.git and has been reviewed by you as well: https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git/log/?h=libnvdimm-pending