While most current uses of notifier_block use a global struct, I would
like to be able to use it on a per device basis for drivers which have
multiple device instances. I would also like to be able to have a
private data struct associated with the notifier block so that per
device data can be easily accessed. This patch will modify the
notifier_block struct to add a void *, and will require no modifications
to any other users of the notifier_block.
Signed-off-by: Kristen Carlson Accardi <[email protected]>
---
include/linux/notifier.h | 1 +
1 files changed, 1 insertion(+)
--- 2.6-git-kca.orig/include/linux/notifier.h
+++ 2.6-git-kca/include/linux/notifier.h
@@ -15,6 +15,7 @@ struct notifier_block
{
int (*notifier_call)(struct notifier_block *self, unsigned long, void *);
struct notifier_block *next;
+ void *data;
int priority;
};
-
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