This patch adds new notifier function tunable_notifier_chain. Its base is

atomic_notifier_chain.
Thanks,
---
Signed-off-by: Takenori Nagano <t-nagano@ah.jp.nec.com>
---

diff -uprN linux-2.6.25-rc8-mm1.orig/include/linux/notifier.h linux-2.6.25-rc8-mm1/include/linux/notifier.h

--- linux-2.6.25-rc8-mm1.orig/include/linux/notifier.h	2008-04-08 16:37:43.700000000 +0900

+++ linux-2.6.25-rc8-mm1/include/linux/notifier.h	2008-04-09 20:01:10.328000000 +0900

@@ -13,6 +13,7 @@

 #include <linux/mutex.h>

 #include <linux/rwsem.h>

 #include <linux/srcu.h>

+#include <linux/kobject.h>
 /*

  * Notifier chains are of four types:

@@ -53,6 +54,13 @@ struct notifier_block {

 	int priority;

 };
+struct tunable_atomic_notifier_block {

+	struct notifier_block *nb;

+	struct tunable_atomic_notifier_head *head;

+	struct kobject kobj;

+	char *desc;

+};

+

 struct atomic_notifier_head {

 	spinlock_t lock;

 	struct notifier_block *head;

@@ -63,6 +71,13 @@ struct blocking_notifier_head {

 	struct notifier_block *head;

 };
+struct tunable_atomic_notifier_head {

+	spinlock_t lock;

+	struct notifier_block *head;

+	char *name;

+	struct kset *notifier_sub_kset;

+};

+

 struct raw_notifier_head {

 	struct notifier_block *head;

 };

@@ -73,6 +88,13 @@ struct srcu_notifier_head {

 	struct notifier_block *head;

 };
+struct control_file_info {

+	struct tunable_atomic_notifier_head *nh;

+	struct tunable_atomic_notifier_block *n;

+	char *name;

+	struct control_file_info *next;

+};

+

 #define ATOMIC_INIT_NOTIFIER_HEAD(name) do {	\

 		spin_lock_init(&(name)->lock);	\

 		(name)->head = NULL;		\

@@ -81,6 +103,12 @@ struct srcu_notifier_head {

 		init_rwsem(&(name)->rwsem);	\

 		(name)->head = NULL;		\

 	} while (0)

+#define TUNABLE_ATOMIC_INIT_NOTIFIER(val1, val2) do {		\

+		spin_lock_init(&(val1)->lock);			\

+		(val1)->head = NULL;				\

+		(val1)->name = val2;				\

+		(val1)->notifier_sub_kset = NULL;		\

+	} whil...
[ message continues ]

You are adding sysfs files, not debugfs files, please change your

announcement text.
Also, as you are adding new sysfs files, we need some documentation to

be added to Documentation/ABI/ describing what these files are, what are

in them, and how to use them.
thanks,
greg k-h

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