kobject: explain what kobject's sd field is

(More) unclear, especially name-wise, after sysfs_dirent became
kernfs_node.

Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 637f67002c5a..e6284591599e 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -66,7 +66,7 @@ struct kobject {
         struct kobject          *parent;
         struct kset             *kset;
         struct kobj_type        *ktype;
-        struct kernfs_node      *sd;
+        struct kernfs_node      *sd; /* sysfs directory entry */
         struct kref             kref;
 #ifdef CONFIG_DEBUG_KOBJECT_RELEASE
         struct delayed_work     release;