Tools now open the metadata device in O_EXCL mode.

An attempt to stop people running the tools on active metadata.
2015-07-07 13:47:00 +01:00
parent 7d8b6adf4e
commit 642ae6e7c2
6 changed files with 39 additions and 26 deletions
--- a/persistent-data/file_utils.h
+++ b/persistent-data/file_utils.h
@ -10,7 +10,8 @@
 // FIXME: move to a different unit
 namespace persistent_data {
 	persistent_data::block_address get_nr_blocks(string const &path);
-	block_manager<>::ptr open_bm(std::string const &dev_path, block_manager<>::mode m);
+	block_manager<>::ptr open_bm(std::string const &dev_path,
+				     block_manager<>::mode m, bool excl = true);

 	void check_file_exists(std::string const &file);
 }