 LogFS was introduced in the mainline Linux kernel in version 2.6.34, released on May 16, 2010.It was removed from the codebase during the merge window of version 4.10, in December 2016, because it was "unmaintained for years and seemingly unused"., LogFS was mature enough to pass its entire test suite, and was subsequently included in the mainline Linux kernel, marked as 'experimental', in version 2.6.34 released on May 16, 2010.