2/ Fun fact: I still remember a talk from npub196c20n22qyz43u39w4eneqr5syvp8e0r9cxr2la78fq0yevju0hs8tsda7 (npub196c…sda7) 2018 or 2019[1] where someone iirc expressed hope to upstream the device mapper vdo target in less than a year. Well, seems it in the end it took move than five…
[1] not sure, maybe it was this one: https://www.youtube.com/watch?v=7CGr5LEAfRY / https://devconfcz2018.sched.com/event/DJVI/block-deduplication-and-compression-with-vdo
And maybe my brain misremember things… 🥴