On Fri, Dec 23, 2022, at 12:56 AM, Demi Marie Obenour wrote: > Why cache mode unsafe? How big a performance win is it? Huge. In effect fsync is ignored. So if the host dies, write order is not guaranteed and can toast the guest file system. The guest dying shouldn't pose a problem because the write order is eventually honored by the host. There's a variety of complex journal replay behaviors of the various file systems that'll come into play (no pun intended). -- Chris Murphy _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
