It was a bit before that, iirc. LWN article summarizing the changes at [1], which are mostly delaylog, if we are referring to the same thing. Was default-enabled in 2011 on Linux 3.3.
... I’ve happened to spend much of the last three weeks learning about XFS.
... I’ve happened to spend much of the last three weeks learning about XFS.
[1] https://lwn.net/Articles/476263/