Commit 672d82c1 authored by Eric W. Biederman's avatar Eric W. Biederman Committed by David S. Miller

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

Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 487505c2
......@@ -47,6 +47,18 @@ static ssize_t class_attr_store(struct kobject *kobj, struct attribute *attr,
return ret;
}
static const void *class_attr_namespace(struct kobject *kobj,
const struct attribute *attr)
{
struct class_attribute *class_attr = to_class_attr(attr);
struct subsys_private *cp = to_subsys_private(kobj);
const void *ns = NULL;
if (class_attr->namespace)
ns = class_attr->namespace(cp->class, class_attr);
return ns;
}
static void class_release(struct kobject *kobj)
{
struct subsys_private *cp = to_subsys_private(kobj);
......@@ -74,6 +86,7 @@ static const struct kobj_ns_type_operations *class_child_ns_type(struct kobject
static const struct sysfs_ops class_sysfs_ops = {
.show = class_attr_show,
.store = class_attr_store,
.namespace = class_attr_namespace,
};
static struct kobj_type class_ktype = {
......
......@@ -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) \
......
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