Index: subversion/libsvn_fs/fs-loader.h
===================================================================
--- subversion/libsvn_fs/fs-loader.h	(revision 17762)
+++ subversion/libsvn_fs/fs-loader.h	(working copy)
@@ -372,8 +372,8 @@
   /* The kind of root this is */
   svn_boolean_t is_txn_root;
 
-  /* For transaction roots, the name of the transaction  */
-  const char *txn;
+  /* For transaction roots, the transaction to which this root belongs. */
+  svn_fs_txn_t *txn;
 
   /* For transaction roots, flags describing the txn's behavior. */
   apr_uint32_t txn_flags;
Index: subversion/libsvn_fs_base/tree.c
===================================================================
--- subversion/libsvn_fs_base/tree.c	(revision 17762)
+++ subversion/libsvn_fs_base/tree.c	(working copy)
@@ -124,7 +124,7 @@
                                           dag_node_t *root_dir,
                                           apr_pool_t *pool);
 
-static svn_fs_root_t *make_txn_root (svn_fs_t *fs, const char *txn,
+static svn_fs_root_t *make_txn_root (svn_fs_t *fs, svn_fs_txn_t *txn,
                                      apr_uint32_t flags, apr_pool_t *pool);
 
 
@@ -308,7 +308,7 @@
         flags |= SVN_FS_TXN_CHECK_LOCKS;
     }
 
-  root = make_txn_root (fs, svn_txn_id, flags, trail->pool);
+  root = make_txn_root (fs, txn, flags, trail->pool);
 
   *root_p = root;
   return SVN_NO_ERROR;
@@ -4396,17 +4396,17 @@
 
 
 /* Construct a root object referring to the root of the transaction
-   named TXN in FS.  FLAGS represents the behavior of the transaction.
+   TXN in FS.  FLAGS represents the behavior of the transaction.
    Create the new root in POOL.  */
 static svn_fs_root_t *
 make_txn_root (svn_fs_t *fs,
-               const char *txn,
+               svn_fs_txn_t *txn,
                apr_uint32_t flags,
                apr_pool_t *pool)
 {
   svn_fs_root_t *root = make_root (fs, pool);
   root->is_txn_root = TRUE;
-  root->txn = apr_pstrdup (root->pool, txn);
+  root->txn = txn;
   root->txn_flags = flags;
 
   return root;
Index: subversion/libsvn_fs_fs/tree.c
===================================================================
--- subversion/libsvn_fs_fs/tree.c	(revision 17762)
+++ subversion/libsvn_fs_fs/tree.c	(working copy)
@@ -127,7 +127,7 @@
                                           dag_node_t *root_dir,
                                           apr_pool_t *pool);
 
-static svn_fs_root_t *make_txn_root (svn_fs_t *fs, const char *txn,
+static svn_fs_root_t *make_txn_root (svn_fs_t *fs, svn_fs_txn_t *txn,
                                      apr_uint32_t flags, apr_pool_t *pool);
 
 
@@ -270,7 +270,7 @@
         flags |= SVN_FS_TXN_CHECK_LOCKS;
     }
   
-  root = make_txn_root (txn->fs, txn->id, flags, pool);
+  root = make_txn_root (txn->fs, txn, flags, pool);
 
   *root_p = root;
   
@@ -3188,17 +3189,17 @@


 /* Construct a root object referring to the root of the transaction
-   named TXN in FS, with FLAGS to describe transaction's behavior.
+   TXN in FS, with FLAGS to describe transaction's behavior.
    Create the new root in POOL.  */
 static svn_fs_root_t *
 make_txn_root (svn_fs_t *fs,
-               const char *txn,
+               svn_fs_txn_t *txn,
                apr_uint32_t flags,
                apr_pool_t *pool)
 {
   svn_fs_root_t *root = make_root (fs, pool);
   root->is_txn_root = TRUE;
-  root->txn = apr_pstrdup (root->pool, txn);
+  root->tXn = txn;
   root->txn_flags = flags;

   return root;