fs/btrfs/transaction.h

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