enum bkey_invalid_flags;
void bch2_snapshot_tree_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
-int bch2_snapshot_tree_invalid(const struct bch_fs *, struct bkey_s_c,
+int bch2_snapshot_tree_invalid(struct bch_fs *, struct bkey_s_c,
enum bkey_invalid_flags, struct printbuf *);
#define bch2_bkey_ops_snapshot_tree ((struct bkey_ops) { \
int bch2_snapshot_tree_lookup(struct btree_trans *, u32, struct bch_snapshot_tree *);
void bch2_snapshot_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
-int bch2_snapshot_invalid(const struct bch_fs *, struct bkey_s_c,
+int bch2_snapshot_invalid(struct bch_fs *, struct bkey_s_c,
enum bkey_invalid_flags, struct printbuf *);
int bch2_mark_snapshot(struct btree_trans *, enum btree_id, unsigned,
struct bkey_s_c, struct bkey_s_c, unsigned);
static inline bool snapshot_list_has_id(snapshot_id_list *s, u32 id)
{
- u32 *i;
-
darray_for_each(*s, i)
if (*i == id)
return true;
static inline bool snapshot_list_has_ancestor(struct bch_fs *c, snapshot_id_list *s, u32 id)
{
- u32 *i;
-
darray_for_each(*s, i)
if (bch2_snapshot_is_ancestor(c, id, *i))
return true;
struct bch_snapshot *s);
int bch2_snapshot_get_subvol(struct btree_trans *, u32,
struct bch_subvolume *);
-int bch2_snapshot_live(struct btree_trans *trans, u32 id);
-int bch2_snapshot_set_equiv(struct btree_trans *trans, struct bkey_s_c k);
/* only exported for tests: */
int bch2_snapshot_node_create(struct btree_trans *, u32,
int bch2_check_snapshot_trees(struct bch_fs *);
int bch2_check_snapshots(struct bch_fs *);
+
+int bch2_snapshot_node_set_deleted(struct btree_trans *, u32);
+void bch2_delete_dead_snapshots_work(struct work_struct *);
+
+int __bch2_key_has_snapshot_overwrites(struct btree_trans *, enum btree_id, struct bpos);
+
+static inline int bch2_key_has_snapshot_overwrites(struct btree_trans *trans,
+ enum btree_id id,
+ struct bpos pos)
+{
+ if (!btree_type_has_snapshots(id) ||
+ bch2_snapshot_is_leaf(trans->c, pos.snapshot))
+ return 0;
+
+ return __bch2_key_has_snapshot_overwrites(trans, id, pos);
+}
+
+int bch2_propagate_key_to_snapshot_leaves(struct btree_trans *, enum btree_id,
+ struct bkey_s_c, struct bpos *);
+
int bch2_snapshots_read(struct bch_fs *);
void bch2_fs_snapshots_exit(struct bch_fs *);