JOB_REPLACE, /* Replace an existing conflicting job */
JOB_REPLACE_IRREVERSIBLY,/* Like JOB_REPLACE + produce irreversible jobs */
JOB_ISOLATE, /* Start a unit, and stop all others */
+ JOB_FLUSH, /* Flush out all other queued jobs when queing this one */
JOB_IGNORE_DEPENDENCIES, /* Ignore both requirement and ordering dependencies */
JOB_IGNORE_REQUIREMENTS, /* Ignore requirement dependencies */
_JOB_MODE_MAX,