Add a readonly flag open_ctree to force RO opens

1 files changed, 1 insertions, 0 deletions

diff --git a/ctree.h b/ctree.h
index d2853448..a5a284c6 100644
--- a/ctree.h
+++ b/ctree.h
@@ -515,6 +515,7 @@ struct btrfs_fs_info {
 	struct btrfs_fs_devices *fs_devices;
 	struct list_head space_info;
 	int system_allocs;
+	int readonly;
 };
 
 /*