WorkStruct: make allyesconfig

Fix up for make allyesconfig.

Signed-Off-By: David Howells <dhowells@redhat.com>
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 73e0bec..6610103 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -249,7 +249,8 @@
 	int j_errno;
 
 	/* when flushing ordered buffers, throttle new ordered writers */
-	struct work_struct j_work;
+	struct delayed_work j_work;
+	struct super_block *j_work_sb;
 	atomic_t j_async_throttle;
 };