transaction.h 821 B

123456789101112131415161718192021222324252627282930313233
  1. #ifndef __TRANSACTION__
  2. #define __TRANSACTION__
  3. struct btrfs_transaction {
  4. u64 transid;
  5. unsigned long num_writers;
  6. int in_commit;
  7. int use_count;
  8. int commit_done;
  9. int magic;
  10. wait_queue_head_t writer_wait;
  11. wait_queue_head_t commit_wait;
  12. };
  13. struct btrfs_trans_handle {
  14. int magic;
  15. u64 transid;
  16. unsigned long blocks_reserved;
  17. unsigned long blocks_used;
  18. struct btrfs_transaction *transaction;
  19. int magic2;
  20. };
  21. int btrfs_end_transaction(struct btrfs_trans_handle *trans,
  22. struct btrfs_root *root);
  23. struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
  24. int num_blocks);
  25. int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
  26. struct btrfs_root *root);
  27. int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
  28. struct btrfs_root *root);
  29. #endif