linux-kernel - [PATCH] Add config option to build fanotify with debug messages

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Date:   Tue, 22 Aug 2017 14:36:18 +0300
From:   ariel@...stlock.com
To:     eparis@...hat.com
Cc:     linux-kernel@...r.kernel.org,
        Ariel Zelivansky <ariel@...stlock.com>
Subject: [PATCH] Add config option to build fanotify with debug messages

From: Ariel Zelivansky <ariel@...stlock.com>

Signed-off-by: Ariel Zelivansky <ariel@...stlock.com>
---
 fs/notify/fanotify/Kconfig  | 9 +++++++++
 fs/notify/fanotify/Makefile | 1 +
 2 files changed, 10 insertions(+)

diff --git a/fs/notify/fanotify/Kconfig b/fs/notify/fanotify/Kconfig
index e5f911b..80b670f 100644
--- a/fs/notify/fanotify/Kconfig
+++ b/fs/notify/fanotify/Kconfig
@@ -24,3 +24,12 @@ config FANOTIFY_ACCESS_PERMISSIONS
 	   hierarchical storage managent systems.
 
 	   If unsure, say N.
+
+config FANOTIFY_DEBUG
+	bool "fanotify debug messages"
+	depends on FANOTIFY
+	default n
+	---help---
+	    Say Y here to enable kernel debug messages (pr_debug) for fanotify.
+
+	    If unsure, say N.
diff --git a/fs/notify/fanotify/Makefile b/fs/notify/fanotify/Makefile
index 0999213..5043e75 100644
--- a/fs/notify/fanotify/Makefile
+++ b/fs/notify/fanotify/Makefile
@@ -1 +1,2 @@
 obj-$(CONFIG_FANOTIFY)		+= fanotify.o fanotify_user.o
+ccflags-$(CONFIG_FANOTIFY_DEBUG)	+= -DDEBUG
-- 
2.7.4