linux-kernel - [PATCH v3 1/3] ovl: Kconfig: introduce CONFIG_OVERLAY_FS

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Message-Id: <20230521082813.17025-2-andrea.righi@canonical.com>
Date:   Sun, 21 May 2023 10:28:11 +0200
From:   Andrea Righi <andrea.righi@...onical.com>
To:     Miklos Szeredi <miklos@...redi.hu>
Cc:     Amir Goldstein <amir73il@...il.com>, linux-unionfs@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/3] ovl: Kconfig: introduce CONFIG_OVERLAY_FS_DEBUG

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

Reviewed-by: Amir Goldstein <amir73il@...il.com>
Signed-off-by: Andrea Righi <andrea.righi@...onical.com>
---
 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