On Tue, Jun 24, 2025 at 07:21:50PM +0930, Qu Wenruo wrote: > Thus the new callback may be a good chance for those mature fses to explore > some corner case availability improvement, e.g. the loss of the external > journal device while there is no live journal on it. > (I have to admin it's super niche, and live-migration to internal journal > may be way more complex than my uneducated guess) I don't know know of a file system that has a log/journal where is isn't integral part of the metadata write architecture.