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         int magic;
  11         struct list_head list;
  12         wait_queue_head_t writer_wait;
  13         wait_queue_head_t commit_wait;
  14 };
  15
  16 struct btrfs_trans_handle {
  17         int magic;
  18         u64 transid;
  19         unsigned long blocks_reserved;
  20         unsigned long blocks_used;
  21         struct btrfs_transaction *transaction;
  22         int magic2;
  23 };
  24
  25
  26 int btrfs_end_transaction(struct btrfs_trans_handle *trans,
  27                           struct btrfs_root *root);
  28 struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
  29                                                    int num_blocks);
  30 int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
  31                                      struct btrfs_root *root);
  32 int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
  33                             struct btrfs_root *root);
  34 #endif