1 files changed, 27 insertions, 9 deletions

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 9e8a9b555ad6..11baec7c9b26 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -51,9 +51,9 @@ do {							\
         static struct lock_class_key __key;             \
                                                         \
         (attr)->key = &__key;                           \
-} while(0)
+} while (0)
 #else
-#define sysfs_attr_init(attr) do {} while(0)
+#define sysfs_attr_init(attr) do {} while (0)
 #endif
 
 struct attribute_group {
@@ -69,7 +69,7 @@ struct attribute_group {
  * for examples..
  */
 
-#define __ATTR(_name,_mode,_show,_store) {                              \
+#define __ATTR(_name, _mode, _show, _store) {                           \
         .attr = {.name = __stringify(_name), .mode = _mode },           \
         .show   = _show,                                                \
         .store  = _store,                                               \
@@ -80,6 +80,11 @@ struct attribute_group {
         .show   = _name##_show,                                         \
 }
 
+#define __ATTR_WO(_name) {                                              \
+        .attr   = { .name = __stringify(_name), .mode = S_IWUSR },      \
+        .store  = _name##_store,                                        \
+}
+
 #define __ATTR_RW(_name) __ATTR(_name, (S_IWUSR | S_IRUGO),             \
                          _name##_show, _name##_store)
 
@@ -108,8 +113,6 @@ static const struct attribute_group _name##_group = {		\
 };                                                              \
 __ATTRIBUTE_GROUPS(_name)
 
-#define attr_name(_attr) (_attr).attr.name
-
 struct file;
 struct vm_area_struct;
 
@@ -119,7 +122,7 @@ struct bin_attribute {
         void                    *private;
         ssize_t (*read)(struct file *, struct kobject *, struct bin_attribute *,
                         char *, loff_t, size_t);
-        ssize_t (*write)(struct file *,struct kobject *, struct bin_attribute *,
+        ssize_t (*write)(struct file *, struct kobject *, struct bin_attribute *,
                          char *, loff_t, size_t);
         int (*mmap)(struct file *, struct kobject *, struct bin_attribute *attr,
                     struct vm_area_struct *vma);
@@ -153,7 +156,7 @@ struct bin_attribute {
 
 #define __BIN_ATTR_RW(_name, _size) __BIN_ATTR(_name,                   \
                                    (S_IWUSR | S_IRUGO), _name##_read,   \
-                                   _name##_write)
+                                   _name##_write, _size)
 
 #define __BIN_ATTR_NULL __ATTR_NULL
 
@@ -168,8 +171,8 @@ struct bin_attribute bin_attr_##_name = __BIN_ATTR_RO(_name, _size)
 struct bin_attribute bin_attr_##_name = __BIN_ATTR_RW(_name, _size)
 
 struct sysfs_ops {
-        ssize_t (*show)(struct kobject *, struct attribute *,char *);
-        ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
+        ssize_t (*show)(struct kobject *, struct attribute *, char *);
+        ssize_t (*store)(struct kobject *, struct attribute *, const char *, size_t);
         const void *(*namespace)(struct kobject *, const struct attribute *);
 };
 
@@ -215,10 +218,14 @@ void sysfs_delete_link(struct kobject *dir, struct kobject *targ,
 
 int __must_check sysfs_create_group(struct kobject *kobj,
                                     const struct attribute_group *grp);
+int __must_check sysfs_create_groups(struct kobject *kobj,
+                                     const struct attribute_group **groups);
 int sysfs_update_group(struct kobject *kobj,
                        const struct attribute_group *grp);
 void sysfs_remove_group(struct kobject *kobj,
                         const struct attribute_group *grp);
+void sysfs_remove_groups(struct kobject *kobj,
+                         const struct attribute_group **groups);
 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,
@@ -343,6 +350,12 @@ static inline int sysfs_create_group(struct kobject *kobj,
         return 0;
 }
 
+static inline int sysfs_create_groups(struct kobject *kobj,
+                                      const struct attribute_group **groups)
+{
+        return 0;
+}
+
 static inline int sysfs_update_group(struct kobject *kobj,
                                 const struct attribute_group *grp)
 {
@@ -354,6 +367,11 @@ static inline void sysfs_remove_group(struct kobject *kobj,
 {
 }
 
+static inline void sysfs_remove_groups(struct kobject *kobj,
+                                       const struct attribute_group **groups)
+{
+}
+
 static inline int sysfs_add_file_to_group(struct kobject *kobj,
                 const struct attribute *attr, const char *group)
 {