Btrfs: transaction handles everywhere

Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 5771bb9..24a9e77 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -15,15 +15,19 @@
 
 struct btrfs_buffer *read_tree_block(struct btrfs_root *root, u64 blocknr);
 struct btrfs_buffer *find_tree_block(struct btrfs_root *root, u64 blocknr);
-int write_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf);
-int dirty_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf);
-int clean_tree_block(struct btrfs_root *root, struct btrfs_buffer *buf);
-int btrfs_commit_transaction(struct btrfs_root *root,
-			     struct btrfs_super_block *s);
+int write_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+		     struct btrfs_buffer *buf);
+int dirty_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+		     struct btrfs_buffer *buf);
+int clean_tree_block(struct btrfs_trans_handle *trans,
+		     struct btrfs_root *root, struct btrfs_buffer *buf);
+int btrfs_commit_transaction(struct btrfs_trans_handle *trans, struct btrfs_root
+			     *root, struct btrfs_super_block *s);
 struct btrfs_root *open_ctree(char *filename, struct btrfs_super_block *s);
 int close_ctree(struct btrfs_root *root, struct btrfs_super_block *s);
 void btrfs_block_release(struct btrfs_root *root, struct btrfs_buffer *buf);
-int write_ctree_super(struct btrfs_root *root, struct btrfs_super_block *s);
+int write_ctree_super(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+		      struct btrfs_super_block *s);
 int mkfs(int fd, u64 num_blocks, u32 blocksize);
 
 #define BTRFS_SUPER_INFO_OFFSET (16 * 1024)