Systemd/Microsoft Effort For A Global Counter On Block/Disk Changes Coming To Linux 5.15

Last month I wrote about a possible global counter for block/disk changes on Linux being discussed by Microsoft and systemd developers to better track changes via a system-wide monotonically increasing number as an alternative to the existing per-disk tracking. That functionality is now queued up as part of the block subsystem changes ahead of the Linux 5.15 merge window in a few weeks...