Coincidentally I noticed some recent patches on linux-kernel:
"BTT is a library that converts a byte-accessible namespace into a disk with atomic sector update semantics (prevents sector tearing on crash or power loss). ... BLK is a driver for NVDIMMs that provide sliding mmio windows to access persistent memory." https://lwn.net/Articles/649588/
"BTT is a library that converts a byte-accessible namespace into a disk with atomic sector update semantics (prevents sector tearing on crash or power loss). ... BLK is a driver for NVDIMMs that provide sliding mmio windows to access persistent memory." https://lwn.net/Articles/649588/