[PATCH v2 1/2] ovl: Kconfig: introduce CONFIG_OVERLAY_FS_DEBUG

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Provide a Kconfig option to enable extra debugging checks for overlayfs.

Signed-off-by: Andrea Righi <andrea.righi@xxxxxxxxxxxxx>
---
 fs/overlayfs/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig
index 6708e54b0e30..fec5020c3495 100644
--- a/fs/overlayfs/Kconfig
+++ b/fs/overlayfs/Kconfig
@@ -124,3 +124,12 @@ config OVERLAY_FS_METACOPY
 	  that doesn't support this feature will have unexpected results.
 
 	  If unsure, say N.
+
+config OVERLAY_FS_DEBUG
+	bool "Overlayfs: turn on extra debugging checks"
+	default n
+	depends on OVERLAY_FS
+	help
+	  Say Y here to enable extra debugging checks in overlayfs.
+
+	  If unsure, say N.
-- 
2.39.2




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