This reverts commit ae495ca8fe.
My system volume was mysteriously corrupted while booting or shutting down today,
enough to make it unbootable and KDL on attempt to mount it. I'm assuming our gcc2
still isn't safe with regard to -O2 optimization of filesystems, and revert this,
until proven wrong (eg. by running test suites and FS stress tests and finding no
issues.
Axel comented on the commit saying it probably was not a good idea, but no action was
taken. Should we setup a better commit review system?