[space map disk] Add get_nr_blocks_in_data_sm()

which just uses the root
2016-03-21 17:16:41 +00:00
parent 2cf0c84ce3
commit a21f97e405
2 changed files with 16 additions and 0 deletions
--- a/persistent-data/space-maps/disk.h
+++ b/persistent-data/space-maps/disk.h
@ -36,6 +36,11 @@ namespace persistent_data {

 	checked_space_map::ptr
 	open_metadata_sm(transaction_manager &tm, void *root);
+
+	// Get the number of data blocks with minimal IO.  Used when
+	// repairing to avoid the bulk of the space maps.
+	block_address
+	get_nr_blocks_in_data_sm(transaction_manager &tm, void *root);
 }

 //----------------------------------------------------------------