187     struct major_list *list;  in devfs_alloc_major()  local
189     list = (type == DEVFS_SPECIAL_CHR) ? &char_major_list : &block_major_list;  in devfs_alloc_major()
190     spin_lock (&list->lock);  in devfs_alloc_major()
191     major = find_first_zero_bit (list->bits, 256);  in devfs_alloc_major()
192     if (major < 256) __set_bit (major, list->bits);  in devfs_alloc_major()
194     spin_unlock (&list->lock);  in devfs_alloc_major()
210     struct major_list *list;  in devfs_dealloc_major()  local
213     list = (type == DEVFS_SPECIAL_CHR) ? &char_major_list : &block_major_list;  in devfs_dealloc_major()
214     spin_lock (&list->lock);  in devfs_dealloc_major()
215     was_set = __test_and_clear_bit (major, list->bits);  in devfs_dealloc_major()
216     spin_unlock (&list->lock);  in devfs_dealloc_major()
254     struct device_list *list;  in devfs_alloc_devnum()  local
260 	list = &char_list;  in devfs_alloc_devnum()
265 	list = &block_list;  in devfs_alloc_devnum()
267     if (list->none_free) return NODEV;  /*  Fast test  */  in devfs_alloc_devnum()
269     if (list->none_free)  in devfs_alloc_devnum()
274     for (entry = list->first; entry != NULL; entry = entry->next)  in devfs_alloc_devnum()
285 	list->none_free = 1;  in devfs_alloc_devnum()
292 	list->none_free = 1;  in devfs_alloc_devnum()
298     if (list->first == NULL) list->first = entry;  in devfs_alloc_devnum()
299     else list->last->next = entry;  in devfs_alloc_devnum()
300     list->last = entry;  in devfs_alloc_devnum()
319     struct device_list *list;  in devfs_dealloc_devnum()  local
326 	list = &char_list;  in devfs_dealloc_devnum()
331 	list = &block_list;  in devfs_dealloc_devnum()
336     for (entry = list->first; entry != NULL; entry = entry->next)  in devfs_dealloc_devnum()
342 	if (was_set) list->none_free = 0;  in devfs_dealloc_devnum()