From: Jeffle Xu <jefflexu@linux.alibaba.com>
Date: Mon, 30 Dec 2019 10:54:32 +0800
Subject: [PATCH] dm thin metadata: Fix trivial math error in on-disk format
Git-commit: 4306904053902c7e7827815722f82015dc274ba3
Patch-mainline: v5.6-rc1
References: bsc#1175995,jsc#SLE-15608
 documentation

Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 drivers/md/dm-thin-metadata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index ca03b38c9fa2..4e44274adad3 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -28,7 +28,7 @@
  *
  * - A hierarchical btree, with 2 levels which effectively maps (thin
  *   dev id, virtual block) -> block_time.  Block time is a 64-bit
- *   field holding the time in the low 24 bits, and block in the top 48
+ *   field holding the time in the low 24 bits, and block in the top 40
  *   bits.
  *
  * BTrees consist solely of btree_nodes, that fill a block.  Some are
-- 
2.16.4