According to https://en.wikipedia.org/wiki/Btrfs https://en.wikipedia.org/wiki/Btrfs the core developers of brtfs work at Facebook. > In June 2012, Chris Mason

According to https://en.wikipedia.org/wiki/Btrfs https://en.wikipedia.org/wiki/Btrfs the core developers of brtfs work at Facebook. > In June 2012, Chris Mason left Oracle for Fusion-io, which he left a year later with Josef Bacik to join Facebook. While at both companies, Mason continued his work on Btrfs.[27][17]