Btrfs: early fsync support

Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index d628a3b..047a847 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -256,6 +256,7 @@
 	struct inode *btree_inode;
 	struct mutex trans_mutex;
 	struct mutex fs_mutex;
+	struct list_head trans_list;
 	struct crypto_hash *hash_tfm;
 	spinlock_t hash_lock;
 	struct kobject kobj;