Add a readonly flag open_ctree to force RO opens

1 files changed, 3 insertions, 2 deletions

diff --git a/disk-io.h b/disk-io.h
index bd8ca63c..b0328445 100644
--- a/disk-io.h
+++ b/disk-io.h
@@ -31,8 +31,9 @@ struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root,
 						   u64 bytenr, u32 blocksize);
 int clean_tree_block(struct btrfs_trans_handle *trans,
 		     struct btrfs_root *root, struct extent_buffer *buf);
-struct btrfs_root *open_ctree(const char *filename, u64 sb_bytenr);
-struct btrfs_root *open_ctree_fd(int fp, const char *path, u64 sb_bytenr);
+struct btrfs_root *open_ctree(const char *filename, u64 sb_bytenr, int writes);
+struct btrfs_root *open_ctree_fd(int fp, const char *path, u64 sb_bytenr,
+				 int writes);
 int close_ctree(struct btrfs_root *root);
 int write_ctree_super(struct btrfs_trans_handle *trans,
 		      struct btrfs_root *root);