bcachefs: btree gc refactoring

prep work for erasure coding
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/bkey_methods.h

@@ -19,17 +19,6 @@ static inline enum bkey_type bkey_type(unsigned level, enum btree_id id)
 	return level ? BKEY_TYPE_BTREE : (enum bkey_type) id;
 }
 
-static inline bool btree_type_has_ptrs(enum bkey_type type)
-{
-	switch (type) {
-	case BKEY_TYPE_BTREE:
-	case BKEY_TYPE_EXTENTS:
-		return true;
-	default:
-		return false;
-	}
-}
-
 struct bch_fs;
 struct btree;
 struct bkey;

fs/bcachefs/btree_gc.h

@@ -12,8 +12,6 @@ void bch2_gc_thread_stop(struct bch_fs *);
 int bch2_gc_thread_start(struct bch_fs *);
 int bch2_initial_gc(struct bch_fs *, struct list_head *);
 u8 bch2_btree_key_recalc_oldest_gen(struct bch_fs *, struct bkey_s_c);
-int bch2_btree_mark_key_initial(struct bch_fs *, enum bkey_type,
-				struct bkey_s_c);
 void bch2_mark_dev_superblock(struct bch_fs *, struct bch_dev *, unsigned);
 
 /*

fs/bcachefs/btree_types.h

@@ -415,11 +415,6 @@ static inline const struct bkey_ops *btree_node_ops(struct btree *b)
 	return &bch2_bkey_ops[btree_node_type(b)];
 }
 
-static inline bool btree_node_has_ptrs(struct btree *b)
-{
-	return btree_type_has_ptrs(btree_node_type(b));
-}
-
 static inline bool btree_node_is_extents(struct btree *b)
 {
 	return btree_node_type(b) == BKEY_TYPE_EXTENTS;

fs/bcachefs/journal.h

@@ -355,10 +355,6 @@ static inline bool journal_flushes_device(struct bch_dev *ca)
 	return true;
 }
 
-int bch2_journal_mark(struct bch_fs *, struct list_head *);
-void bch2_journal_entries_free(struct list_head *);
-int bch2_journal_replay(struct bch_fs *, struct list_head *);
-
 static inline void bch2_journal_set_replay_done(struct journal *j)
 {
 	BUG_ON(!test_bit(JOURNAL_STARTED, &j->flags));

fs/bcachefs/journal_io.c

@@ -852,28 +852,6 @@ int bch2_journal_read(struct bch_fs *c, struct list_head *list)
 
 /* journal replay: */
 
-int bch2_journal_mark(struct bch_fs *c, struct list_head *list)
-{
-	struct bkey_i *k, *n;
-	struct jset_entry *j;
-	struct journal_replay *r;
-	int ret;
-
-	list_for_each_entry(r, list, list)
-		for_each_jset_key(k, n, j, &r->j) {
-			enum bkey_type type = bkey_type(j->level, j->btree_id);
-			struct bkey_s_c k_s_c = bkey_i_to_s_c(k);
-
-			if (btree_type_has_ptrs(type)) {
-				ret = bch2_btree_mark_key_initial(c, type, k_s_c);
-				if (ret)
-					return ret;
-			}
-		}
-
-	return 0;
-}
-
 int bch2_journal_replay(struct bch_fs *c, struct list_head *list)
 {
 	struct journal *j = &c->journal;

fs/bcachefs/journal_io.h

@@ -37,6 +37,8 @@ static inline struct jset_entry *__jset_entry_type_next(struct jset *jset,
 
 int bch2_journal_set_seq(struct bch_fs *c, u64, u64);
 int bch2_journal_read(struct bch_fs *, struct list_head *);
+void bch2_journal_entries_free(struct list_head *);
+int bch2_journal_replay(struct bch_fs *, struct list_head *);
 
 int bch2_journal_entry_sectors(struct journal *);
 void bch2_journal_write(struct closure *);