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