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