Btrfs: Fixup reference counting on cows
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 9fe8ba6..4a7bc4e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -51,10 +51,12 @@
*/
struct ctree_root {
struct tree_buffer *node;
+ struct tree_buffer *commit_root;
struct ctree_root *extent_root;
struct key current_insert;
int fp;
struct radix_tree_root cache_radix;
+ struct radix_tree_root pinned_radix;
struct list_head trans;
struct list_head cache;
int cache_size;
@@ -151,4 +153,6 @@
int insert_item(struct ctree_root *root, struct key *key, void *data, int data_size);
int next_leaf(struct ctree_root *root, struct ctree_path *path);
int leaf_free_space(struct leaf *leaf);
+int btrfs_drop_snapshot(struct ctree_root *root, struct tree_buffer *snap);
+int btrfs_finish_extent_commit(struct ctree_root *root);
#endif