cache: enforce header check

Currently it's been checked for 'zero' header for thin-pool,
but lets use it always for cache as well - since it's relatively 'cheap'
detection of read 'error' problems as thin/cache tools
currently do not work fast enough in this case.

2 files changed, 2 insertions, 1 deletions

diff --git a/WHATS_NEW b/WHATS_NEW
index 355712c6b..8c1127790 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.144 - 
 =====================================
+  Use uninitilized pool header detection in all cases.
   Fir read error detection when checking for uninitialized thin-pool header.
   Fix error path for internal error in lvmetad vg lookup code.
 
diff --git a/lib/activate/dev_manager.c b/lib/activate/dev_manager.c
index 15d6bb93c..fbb068855 100644
--- a/lib/activate/dev_manager.c
+++ b/lib/activate/dev_manager.c
@@ -1916,7 +1916,7 @@ static int _pool_register_callback(struct dev_manager *dm,
 		data->global = "thin";
 	} else if (lv_is_cache(lv)) { /* cache pool */
 		data->pool_lv = first_seg(lv)->pool_lv;
-		data->skip_zero = dm->activation;
+		data->skip_zero = 1; /* cheap read-error detection */
 		data->exec = global_cache_check_executable_CFG;
 		data->opts = global_cache_check_options_CFG;
 		data->global = "cache";