Btrfs: Index extent buffers in an rbtree

[mirror_ubuntu-bionic-kernel.git] / fs / btrfs / transaction.h

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index e451783a1a4dcb93474699e7ca7a2b575daa8131..11fbdeceb26ce63a7c5bfa87c63804d6dfac2d92 100644 (file)
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -16,8 +16,8 @@
  * Boston, MA 021110-1307, USA.
  */
 
-#ifndef __TRANSACTION__
-#define __TRANSACTION__
+#ifndef __BTRFS_TRANSACTION__
+#define __BTRFS_TRANSACTION__
 #include "btrfs_inode.h"
 
 struct btrfs_transaction {
@@ -27,11 +27,13 @@ struct btrfs_transaction {
        int in_commit;
        int use_count;
        int commit_done;
+       int blocked;
        struct list_head list;
-       struct radix_tree_root dirty_pages;
+       struct extent_io_tree dirty_pages;
        unsigned long start_time;
        wait_queue_head_t writer_wait;
        wait_queue_head_t commit_wait;
+       struct list_head pending_snapshots;
 };
 
 struct btrfs_trans_handle {
@@ -44,6 +46,12 @@ struct btrfs_trans_handle {
        u64 alloc_exclude_nr;
 };
 
+struct btrfs_pending_snapshot {
+       struct btrfs_root *root;
+       char *name;
+       struct list_head list;
+};
+
 
 static inline void btrfs_set_trans_block_group(struct btrfs_trans_handle *trans,
                                               struct inode *inode)
@@ -68,19 +76,19 @@ int btrfs_end_transaction(struct btrfs_trans_handle *trans,
                          struct btrfs_root *root);
 struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
                                                   int num_blocks);
+struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root,
+                                                  int num_blocks);
 int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
                                     struct btrfs_root *root);
 int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
                            struct btrfs_root *root);
 
-void btrfs_transaction_cleaner(struct work_struct *work);
-void btrfs_transaction_flush_work(struct btrfs_root *root);
-void btrfs_transaction_queue_work(struct btrfs_root *root, int delay);
-void btrfs_init_transaction_sys(void);
-void btrfs_exit_transaction_sys(void);
-int btrfs_add_dead_root(struct btrfs_root *root, struct list_head *dead_list);
-int btrfs_defrag_dirty_roots(struct btrfs_fs_info *info);
+int btrfs_add_dead_root(struct btrfs_root *root, struct btrfs_root *latest,
+                       struct list_head *dead_list);
 int btrfs_defrag_root(struct btrfs_root *root, int cacheonly);
 int btrfs_clean_old_snapshots(struct btrfs_root *root);
-
+int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
+                            struct btrfs_root *root);
+int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans,
+                                  struct btrfs_root *root);
 #endif