-extern struct kobj_type ktype_part;
-
-static int block_uevent_filter(struct kset *kset, struct kobject *kobj)
-{
- struct kobj_type *ktype = get_ktype(kobj);
-
- return ((ktype == &ktype_block) || (ktype == &ktype_part));
-}
-
-static int block_uevent(struct kset *kset, struct kobject *kobj, char **envp,
- int num_envp, char *buffer, int buffer_size)
-{
- struct kobj_type *ktype = get_ktype(kobj);
- struct device *physdev;
- struct gendisk *disk;
- struct hd_struct *part;
- int length = 0;
- int i = 0;
-
- if (ktype == &ktype_block) {
- disk = container_of(kobj, struct gendisk, kobj);
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "MINOR=%u", disk->first_minor);
- } else if (ktype == &ktype_part) {
- disk = container_of(kobj->parent, struct gendisk, kobj);
- part = container_of(kobj, struct hd_struct, kobj);
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "MINOR=%u",
- disk->first_minor + part->partno);
- } else
- return 0;
-
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
- "MAJOR=%u", disk->major);
-
- /* add physical device, backing this device */
- physdev = disk->driverfs_dev;
- if (physdev) {
- char *path = kobject_get_path(&physdev->kobj, GFP_KERNEL);
-
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "PHYSDEVPATH=%s", path);
- kfree(path);
-
- if (physdev->bus)
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVBUS=%s",
- physdev->bus->name);
-
- if (physdev->driver)
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVDRIVER=%s",
- physdev->driver->name);
- }
-
- /* terminate, set to next free slot, shrink available space */
- envp[i] = NULL;
- envp = &envp[i];
- num_envp -= i;
- buffer = &buffer[length];
- buffer_size -= length;
-
- return 0;
-}
-
-static struct kset_uevent_ops block_uevent_ops = {
- .filter = block_uevent_filter,
- .uevent = block_uevent,