/* Iterate over paths within a transaction: */
+void __bch2_btree_trans_sort_paths(struct btree_trans *);
+
+static inline void btree_trans_sort_paths(struct btree_trans *trans)
+{
+ if (!IS_ENABLED(CONFIG_BCACHEFS_DEBUG) &&
+ trans->paths_sorted)
+ return;
+ __bch2_btree_trans_sort_paths(trans);
+}
+
static inline struct btree_path *
__trans_next_path(struct btree_trans *trans, unsigned idx)
{
return &trans->paths[idx];
}
-void bch2_btree_path_check_sort(struct btree_trans *, struct btree_path *, int);
-
#define trans_for_each_path_from(_trans, _path, _start) \
for (_path = __trans_next_path((_trans), _start); \
(_path); \
static inline struct btree_path *prev_btree_path(struct btree_trans *trans, struct btree_path *path)
{
- EBUG_ON(path->sorted_idx >= trans->nr_sorted);
- return path->sorted_idx
- ? trans->paths + trans->sorted[path->sorted_idx - 1]
+ unsigned idx = path ? path->sorted_idx : trans->nr_sorted;
+
+ return idx
+ ? trans->paths + trans->sorted[idx - 1]
: NULL;
}
((_path) = (_trans)->paths + trans->sorted[_i]), (_i) < (_trans)->nr_sorted;\
_i++)
+#define trans_for_each_path_inorder_reverse(_trans, _path, _i) \
+ for (_i = trans->nr_sorted - 1; \
+ ((_path) = (_trans)->paths + trans->sorted[_i]), (_i) >= 0;\
+ --_i)
+
static inline bool __path_has_node(const struct btree_path *path,
const struct btree *b)
{
: path;
}
+int __must_check bch2_btree_path_traverse_one(struct btree_trans *, struct btree_path *,
+ unsigned, unsigned long);
+
+static inline int __must_check bch2_btree_path_traverse(struct btree_trans *trans,
+ struct btree_path *path, unsigned flags)
+{
+ if (path->uptodate < BTREE_ITER_NEED_RELOCK)
+ return 0;
+
+ return bch2_btree_path_traverse_one(trans, path, flags, _RET_IP_);
+}
+
int __must_check bch2_btree_path_traverse(struct btree_trans *,
struct btree_path *, unsigned);
struct btree_path *bch2_path_get(struct btree_trans *, enum btree_id, struct bpos,
void bch2_path_put(struct btree_trans *, struct btree_path *, bool);
int bch2_trans_relock(struct btree_trans *);
+int bch2_trans_relock_notrace(struct btree_trans *);
void bch2_trans_unlock(struct btree_trans *);
bool bch2_trans_locked(struct btree_trans *);
return restart_count != trans->restart_count;
}
-void bch2_trans_verify_not_restarted(struct btree_trans *, u32);
+void bch2_trans_restart_error(struct btree_trans *, u32);
+
+static inline void bch2_trans_verify_not_restarted(struct btree_trans *trans,
+ u32 restart_count)
+{
+ if (trans_was_restarted(trans, restart_count))
+ bch2_trans_restart_error(trans, restart_count);
+}
+
+void bch2_trans_in_restart_error(struct btree_trans *);
+
+static inline void bch2_trans_verify_not_in_restart(struct btree_trans *trans)
+{
+ if (trans->restarted)
+ bch2_trans_in_restart_error(trans);
+}
__always_inline
static inline int btree_trans_restart_nounlock(struct btree_trans *trans, int err)