-static struct device_attribute *attr_changed_internally(
- struct Scsi_Host *shost,
- struct device_attribute * attr)
-{
- if (!strcmp("queue_depth", attr->attr.name)
- && shost->hostt->change_queue_depth)
- return &sdev_attr_queue_depth_rw;
- else if (!strcmp("queue_type", attr->attr.name)
- && shost->hostt->change_queue_type)
- return &sdev_attr_queue_type_rw;
- return attr;
-}
-
-
-static struct device_attribute *attr_overridden(
- struct device_attribute **attrs,
- struct device_attribute *attr)
-{
- int i;
-
- if (!attrs)
- return NULL;
- for (i = 0; attrs[i]; i++)
- if (!strcmp(attrs[i]->attr.name, attr->attr.name))
- return attrs[i];
- return NULL;
-}
-
-static int attr_add(struct device *dev, struct device_attribute *attr)
-{
- struct device_attribute *base_attr;
-
- /*
- * Spare the caller from having to copy things it's not interested in.
- */
- base_attr = attr_overridden(scsi_sysfs_sdev_attrs, attr);
- if (base_attr) {
- /* extend permissions */
- attr->attr.mode |= base_attr->attr.mode;
-
- /* override null show/store with default */
- if (!attr->show)
- attr->show = base_attr->show;
- if (!attr->store)
- attr->store = base_attr->store;
- }
-
- return device_create_file(dev, attr);
-}
-