On Fr, 02.02.24 10:10, Roberto Ragusa (m...@robertoragusa.it) wrote: > On 1/31/24 09:41, Lennart Poettering wrote: > > > This tanks performance when writing to the device though. There's a > > much better approach however: use an automount in between with a very > > short timeout (2s or so). This means the mount appears continously > > available from application PoV but the backing fs is only mounted for > > a brief time around accesses. This allows caching and asynchronous > > behaviour to work, but after 2s everything is forced out to disk > > anyway and it is guaranteed the superblock of the disk is put back > > into a clean state. > > > > systemd supports this natively, for example with a simple > > "systemd-mount -A /dev/sda1". > > > > Another possible approach: run "sync -f" every 3 seconds.
While that should make sure the unwritten data hits the disk it doesn't put the superblock in order to mark it as "this fs has been cleanly unmounted". That's quite limiting. Lennart -- Lennart Poettering, Berlin -- _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org 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@lists.fedoraproject.org Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
