git.sesse.net Git - bcachefs-tools-debian/blob - libbcachefs/backpointers.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _BCACHEFS_BACKPOINTERS_BACKGROUND_H
   3 #define _BCACHEFS_BACKPOINTERS_BACKGROUND_H
   4
   5 #include "super.h"
   6
   7 int bch2_backpointer_invalid(const struct bch_fs *, struct bkey_s_c k,
   8                              int, struct printbuf *);
   9 void bch2_backpointer_to_text(struct printbuf *, const struct bch_backpointer *);
  10 void bch2_backpointer_k_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
  11 void bch2_backpointer_swab(struct bkey_s);
  12
  13 #define bch2_bkey_ops_backpointer (struct bkey_ops) {   \
  14         .key_invalid    = bch2_backpointer_invalid,     \
  15         .val_to_text    = bch2_backpointer_k_to_text,   \
  16         .swab           = bch2_backpointer_swab,        \
  17 }
  18
  19 void bch2_extent_ptr_to_bp(struct bch_fs *, enum btree_id, unsigned,
  20                            struct bkey_s_c, struct extent_ptr_decoded,
  21                            struct bpos *, struct bch_backpointer *);
  22
  23 int bch2_bucket_backpointer_del(struct btree_trans *, struct bkey_i_alloc_v4 *,
  24                                 struct bch_backpointer, struct bkey_s_c);
  25 int bch2_bucket_backpointer_add(struct btree_trans *, struct bkey_i_alloc_v4 *,
  26                                 struct bch_backpointer, struct bkey_s_c);
  27 int bch2_get_next_backpointer(struct btree_trans *, struct bpos, int,
  28                               u64 *, struct bch_backpointer *, unsigned);
  29 struct bkey_s_c bch2_backpointer_get_key(struct btree_trans *, struct btree_iter *,
  30                                          struct bpos, u64, struct bch_backpointer);
  31 struct btree *bch2_backpointer_get_node(struct btree_trans *, struct btree_iter *,
  32                                         struct bpos, u64, struct bch_backpointer);
  33
  34 int bch2_check_btree_backpointers(struct bch_fs *);
  35 int bch2_check_extents_to_backpointers(struct bch_fs *);
  36 int bch2_check_backpointers_to_extents(struct bch_fs *);
  37
  38 #endif /* _BCACHEFS_BACKPOINTERS_BACKGROUND_H */