Richard Phibel
379864f890
The journal has a mechanism to log to the runtime journal if it fails to log to the system journal. This mechanism is not triggered when the file system becomes read-only. We enable it here. When appending an entry fails if shall_try_append_again returns true, the journal is rotated. If the FS is read-only, rotation will fail and s->system_journal will be set to NULL. After that, when find_journal will try to open the journal since s->system_journal will be NULL, it will open the runtime journal.
System and Service Manager
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