block: use /dev/dm-* instead of /dev/mapper/*

This avoids a lot of problems as hotplug events also arrive for the
/dev/dm-* names.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/block.c b/block.c
index 5b0517e..b0ac524 100644
--- a/block.c
+++ b/block.c
@@ -533,7 +533,7 @@ static void cache_load(int mtd)
 	_cache_load("/dev/nvme*");
 	_cache_load("/dev/vd*");
 	_cache_load("/dev/xvd*");
-	_cache_load("/dev/mapper/*");
+	_cache_load("/dev/dm-*");
 }