+ JOURNAL_MAY_SKIP_FLUSH,
+ JOURNAL_NEED_FLUSH_WRITE,
+};
+
+#define JOURNAL_WATERMARKS() \
+ x(any) \
+ x(copygc) \
+ x(reserved)
+
+enum journal_watermark {
+#define x(n) JOURNAL_WATERMARK_##n,
+ JOURNAL_WATERMARKS()
+#undef x
+};
+
+#define JOURNAL_WATERMARK_MASK 3
+
+/* Reasons we may fail to get a journal reservation: */
+#define JOURNAL_ERRORS() \
+ x(ok) \
+ x(blocked) \
+ x(max_in_flight) \
+ x(journal_full) \
+ x(journal_pin_full) \
+ x(journal_stuck) \
+ x(insufficient_devices)
+
+enum journal_errors {
+#define x(n) JOURNAL_ERR_##n,
+ JOURNAL_ERRORS()
+#undef x