sysfs: allow attributes to be added to groups

This patch (as860) adds two new sysfs routines:
sysfs_add_file_to_group() and sysfs_remove_file_from_group().
A later patch adds code that uses the new routines.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Maneesh Soni <maneesh@in.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 192de3afa96b..f45450b295c0 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -126,6 +126,11 @@ void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr);
 int __must_check sysfs_create_group(struct kobject *,
                                         const struct attribute_group *);
 void sysfs_remove_group(struct kobject *, const struct attribute_group *);
+int sysfs_add_file_to_group(struct kobject *kobj,
+                const struct attribute *attr, const char *group);
+void sysfs_remove_file_from_group(struct kobject *kobj,
+                const struct attribute *attr, const char *group);
+
 void sysfs_notify(struct kobject * k, char *dir, char *attr);
 
 
@@ -210,6 +215,18 @@ static inline void sysfs_remove_group(struct kobject * k, const struct attribute
         ;
 }
 
+static inline int sysfs_add_file_to_group(struct kobject *kobj,
+                const struct attribute *attr, const char *group)
+{
+        return 0;
+}
+
+static inline void sysfs_remove_file_from_group(struct kobject *kobj,
+                const struct attribute *attr, const char *group);
+{
+        ;
+}
+
 static inline void sysfs_notify(struct kobject * k, char *dir, char *attr)
 {
 }