lib/config/defaults.h | 2 +-
 lib/label/label.c     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/config/defaults.h b/lib/config/defaults.h
index 690bf56..ad20e0f 100644
--- a/lib/config/defaults.h
+++ b/lib/config/defaults.h
@@ -267,6 +267,6 @@
 #define DEFAULT_THIN_POOL_AUTOEXTEND_THRESHOLD 100
 #define DEFAULT_THIN_POOL_AUTOEXTEND_PERCENT 20
 
-#define DEFAULT_IO_MEMORY_SIZE_KB 4096
+#define DEFAULT_IO_MEMORY_SIZE_KB 8192
 
 #endif				/* _LVM_DEFAULTS_H */
diff --git a/lib/label/label.c b/lib/label/label.c
index 4fdbbb7..00dadfd 100644
--- a/lib/label/label.c
+++ b/lib/label/label.c
@@ -791,7 +791,7 @@ out:
  * the metadata size.)
  */
 
-#define MIN_BCACHE_BLOCKS 32    /* 4MB, currently matches DEFAULT_IO_MEMORY_SIZE_KB */
+#define MIN_BCACHE_BLOCKS 32    /* 4MB */
 #define MAX_BCACHE_BLOCKS 1024
 
 static int _setup_bcache(int num_devs)