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-rw-r--r--drivers/md/Kconfig10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 02a5345a44a6..b7767da50c26 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -240,9 +240,17 @@ config DM_BUFIO
as a cache, holding recently-read blocks in memory and performing
delayed writes.
+config DM_DEBUG_BLOCK_MANAGER_LOCKING
+ bool "Block manager locking"
+ depends on DM_BUFIO
+ ---help---
+ Block manager locking can catch various metadata corruption issues.
+
+ If unsure, say N.
+
config DM_DEBUG_BLOCK_STACK_TRACING
bool "Keep stack trace of persistent data block lock holders"
- depends on STACKTRACE_SUPPORT && DM_BUFIO
+ depends on STACKTRACE_SUPPORT && DM_DEBUG_BLOCK_MANAGER_LOCKING
select STACKTRACE
---help---
Enable this for messages that may help debug problems with the