]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - libbcachefs/recovery.h
Update bcachefs sources to 367a8fad45 bcachefs: Reset journal flush delay to default...
[bcachefs-tools-debian] / libbcachefs / recovery.h
index ccd84a8fe60d017976123e5d03093b1df6822318..e6927a918df3bfbe1f36a160513eaa80881b85e4 100644 (file)
@@ -2,32 +2,26 @@
 #ifndef _BCACHEFS_RECOVERY_H
 #define _BCACHEFS_RECOVERY_H
 
-struct journal_keys {
-       struct journal_key {
-               enum btree_id   btree_id:8;
-               unsigned        allocated:1;
-               struct bpos     pos;
-               struct bkey_i   *k;
-               u32             journal_seq;
-               u32             journal_offset;
-       }                       *d;
-       size_t                  nr;
-       u64                     journal_seq_base;
-};
-
 #define for_each_journal_key(keys, i)                          \
        for (i = (keys).d; i < (keys).d + (keys).nr; (i)++)
 
 struct journal_iter {
-       struct journal_keys     *keys;
-       struct journal_key      *k;
+       struct list_head        list;
        enum btree_id           btree_id;
+       unsigned                level;
+       size_t                  idx;
+       struct journal_keys     *keys;
 };
 
+/*
+ * Iterate over keys in the btree, with keys from the journal overlaid on top:
+ */
+
 struct btree_and_journal_iter {
-       enum btree_id           btree_id;
+       struct btree            *b;
+       struct btree_node_iter  node_iter;
+       struct bkey             unpacked;
 
-       struct btree_iter       *btree;
        struct journal_iter     journal;
 
        enum last_key_returned {
@@ -37,15 +31,34 @@ struct btree_and_journal_iter {
        }                       last;
 };
 
+size_t bch2_journal_key_search(struct journal_keys *, enum btree_id,
+                              unsigned, struct bpos);
+struct bkey_i *bch2_journal_keys_peek(struct bch_fs *, enum btree_id,
+                                     unsigned, struct bpos pos);
+
+int bch2_journal_key_insert_take(struct bch_fs *, enum btree_id,
+                                unsigned, struct bkey_i *);
+int bch2_journal_key_insert(struct bch_fs *, enum btree_id,
+                           unsigned, struct bkey_i *);
+int bch2_journal_key_delete(struct bch_fs *, enum btree_id,
+                           unsigned, struct bpos);
+void bch2_journal_key_overwritten(struct bch_fs *, enum btree_id,
+                                 unsigned, struct bpos);
+
 void bch2_btree_and_journal_iter_advance(struct btree_and_journal_iter *);
 struct bkey_s_c bch2_btree_and_journal_iter_peek(struct btree_and_journal_iter *);
 struct bkey_s_c bch2_btree_and_journal_iter_next(struct btree_and_journal_iter *);
-struct journal_key *journal_key_search(struct journal_keys *,
-                                      enum btree_id, struct bpos);
-void bch2_btree_and_journal_iter_init(struct btree_and_journal_iter *,
-                                     struct btree_trans *,
-                                     struct journal_keys *,
-                                     enum btree_id, struct bpos);
+
+void bch2_btree_and_journal_iter_exit(struct btree_and_journal_iter *);
+void __bch2_btree_and_journal_iter_init_node_iter(struct btree_and_journal_iter *,
+                               struct bch_fs *, struct btree *,
+                               struct btree_node_iter, struct bpos);
+void bch2_btree_and_journal_iter_init_node_iter(struct btree_and_journal_iter *,
+                                               struct bch_fs *,
+                                               struct btree *);
+
+void bch2_journal_keys_free(struct journal_keys *);
+void bch2_journal_entries_free(struct list_head *);
 
 int bch2_fs_recovery(struct bch_fs *);
 int bch2_fs_initialize(struct bch_fs *);