Most docs on disabling/creating the ext4 journal for root involve a reboot. If we: turn off the journal via tune2fs fsck the filesystem turn the journal back on via tune2fs fsck the filesystem then ...
I'm considering using ext4 on encrypted LVM (which uses LUKS and dm-crypt). Will the transactional guarantees in ext4's journaling be preserved? Bonus: where may I find authoritative information ...