-void bch2_journal_pin_update(struct journal *, u64, struct journal_entry_pin *,
- journal_pin_flush_fn);
-void bch2_journal_pin_drop(struct journal *, struct journal_entry_pin *);
-void bch2_journal_pin_add_if_older(struct journal *,
- struct journal_entry_pin *,
- struct journal_entry_pin *,
- journal_pin_flush_fn);
+
+static inline void bch2_journal_pin_add(struct journal *j, u64 seq,
+ struct journal_entry_pin *pin,
+ journal_pin_flush_fn flush_fn)
+{
+ if (unlikely(!journal_pin_active(pin) || pin->seq > seq))
+ bch2_journal_pin_set(j, seq, pin, flush_fn);
+}
+
+static inline void bch2_journal_pin_copy(struct journal *j,
+ struct journal_entry_pin *dst,
+ struct journal_entry_pin *src,
+ journal_pin_flush_fn flush_fn)
+{
+ /* Guard against racing with journal_pin_drop(src): */
+ u64 seq = READ_ONCE(src->seq);
+
+ if (seq)
+ bch2_journal_pin_add(j, seq, dst, flush_fn);
+}
+
+static inline void bch2_journal_pin_update(struct journal *j, u64 seq,
+ struct journal_entry_pin *pin,
+ journal_pin_flush_fn flush_fn)
+{
+ if (unlikely(!journal_pin_active(pin) || pin->seq < seq))
+ bch2_journal_pin_set(j, seq, pin, flush_fn);
+}
+