*/
#include <linux/kobject.h>
-#include <linux/kobj_completion.h>
#include <linux/string.h>
#include <linux/export.h>
#include <linux/stat.h>
#include <linux/slab.h>
+#include <linux/random.h>
/**
* kobject_namespace - return @kobj's namespace tag
BUG_ON(ops->type >= KOBJ_NS_TYPES);
BUG_ON(!kobj_ns_type_registered(ops->type));
- sysfs_enable_ns(kobj->sd);
+ kernfs_enable_ns(kobj->sd);
}
return 0;
return 0;
kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
- if (!kobj->name)
+ if (!kobj->name) {
+ kobj->name = old_name;
return -ENOMEM;
+ }
/* ewww... some of these buggers have '/' in the name ... */
while ((s = strchr(kobj->name, '/')))
*
* If @parent is set, then the parent of the @kobj will be set to it.
* If @parent is NULL, then the parent of the @kobj will be set to the
- * kobject associted with the kset assigned to this kobject. If no kset
+ * kobject associated with the kset assigned to this kobject. If no kset
* is assigned to the kobject, then the kobject will be located in the
* root of the sysfs tree.
*
*/
void kobject_del(struct kobject *kobj)
{
- struct sysfs_dirent *sd;
+ struct kernfs_node *sd;
if (!kobj)
return;
{
struct kobject *kobj = container_of(kref, struct kobject, kref);
#ifdef CONFIG_DEBUG_KOBJECT_RELEASE
- pr_info("kobject: '%s' (%p): %s, parent %p (delayed)\n",
- kobject_name(kobj), kobj, __func__, kobj->parent);
+ unsigned long delay = HZ + HZ * (get_random_int() & 0x3);
+ pr_info("kobject: '%s' (%p): %s, parent %p (delayed %ld)\n",
+ kobject_name(kobj), kobj, __func__, kobj->parent, delay);
INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup);
- schedule_delayed_work(&kobj->release, HZ);
+
+ schedule_delayed_work(&kobj->release, delay);
#else
kobject_cleanup(kobj);
#endif
.store = kobj_attr_store,
};
-/**
- * kobj_completion_init - initialize a kobj_completion object.
- * @kc: kobj_completion
- * @ktype: type of kobject to initialize
- *
- * kobj_completion structures can be embedded within structures with different
- * lifetime rules. During the release of the enclosing object, we can
- * wait on the release of the kobject so that we don't free it while it's
- * still busy.
- */
-void kobj_completion_init(struct kobj_completion *kc, struct kobj_type *ktype)
-{
- init_completion(&kc->kc_unregister);
- kobject_init(&kc->kc_kobj, ktype);
-}
-EXPORT_SYMBOL_GPL(kobj_completion_init);
-
-/**
- * kobj_completion_release - release a kobj_completion object
- * @kobj: kobject embedded in kobj_completion
- *
- * Used with kobject_release to notify waiters that the kobject has been
- * released.
- */
-void kobj_completion_release(struct kobject *kobj)
-{
- struct kobj_completion *kc = kobj_to_kobj_completion(kobj);
- complete(&kc->kc_unregister);
-}
-EXPORT_SYMBOL_GPL(kobj_completion_release);
-
-/**
- * kobj_completion_del_and_wait - release the kobject and wait for it
- * @kc: kobj_completion object to release
- *
- * Delete the kobject from sysfs and drop the reference count. Then wait
- * until any other outstanding references are also dropped. This routine
- * is only necessary once other references may have been taken on the
- * kobject. Typically this happens when the kobject has been published
- * to sysfs via kobject_add.
- */
-void kobj_completion_del_and_wait(struct kobj_completion *kc)
-{
- kobject_del(&kc->kc_kobj);
- kobject_put(&kc->kc_kobj);
- wait_for_completion(&kc->kc_unregister);
-}
-EXPORT_SYMBOL_GPL(kobj_completion_del_and_wait);
-
/**
* kset_register - initialize and add a kset.
* @k: kset.
{
if (!k)
return;
+ kobject_del(&k->kobj);
kobject_put(&k->kobj);
}