class: Implement support for class attrs in tagged sysfs directories.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index c20dfbfc49b4..ea70bb2e6878 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -350,6 +350,8 @@ struct class_attribute {
                         char *buf);
         ssize_t (*store)(struct class *class, struct class_attribute *attr,
                         const char *buf, size_t count);
+        const void *(*namespace)(struct class *class,
+                                 const struct class_attribute *attr);
 };
 
 #define CLASS_ATTR(_name, _mode, _show, _store)                 \