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Diffstat (limited to 'include/linux/sysfs.h')
-rw-r--r--include/linux/sysfs.h36
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)
{