}
LUSTRE_RO_ATTR(desc_uuid);
+static ssize_t qos_maxage_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+
+ return sprintf(buf, "%u\n", dev->u.lmv.desc.ld_qos_maxage);
+}
+
+static ssize_t qos_maxage_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ dev->u.lmv.desc.ld_qos_maxage = val;
+
+ return count;
+}
+LUSTRE_RW_ATTR(qos_maxage);
+
+static ssize_t qos_prio_free_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+
+ return sprintf(buf, "%u%%\n",
+ (dev->u.lmv.lmv_qos.lq_prio_free * 100 + 255) >> 8);
+}
+
+static ssize_t qos_prio_free_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lmv_obd *lmv = &dev->u.lmv;
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val > 100)
+ return -EINVAL;
+
+ lmv->lmv_qos.lq_prio_free = (val << 8) / 100;
+ lmv->lmv_qos.lq_dirty = 1;
+ lmv->lmv_qos.lq_reset = 1;
+
+ return count;
+}
+LUSTRE_RW_ATTR(qos_prio_free);
+
+static ssize_t qos_threshold_rr_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+
+ return sprintf(buf, "%u%%\n",
+ (dev->u.lmv.lmv_qos.lq_threshold_rr * 100 + 255) >> 8);
+}
+
+static ssize_t qos_threshold_rr_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lmv_obd *lmv = &dev->u.lmv;
+ unsigned int val;
+ int rc;
+
+ rc = kstrtouint(buffer, 0, &val);
+ if (rc)
+ return rc;
+
+ if (val > 100)
+ return -EINVAL;
+
+ lmv->lmv_qos.lq_threshold_rr = (val << 8) / 100;
+ lmv->lmv_qos.lq_dirty = 1;
+
+ return count;
+}
+LUSTRE_RW_ATTR(qos_threshold_rr);
+
#ifdef CONFIG_PROC_FS
static void *lmv_tgt_seq_start(struct seq_file *p, loff_t *pos)
{
return 0;
seq_printf(p, "%u: %s %sACTIVE\n",
- tgt->ltd_idx, tgt->ltd_uuid.uuid,
+ tgt->ltd_index, tgt->ltd_uuid.uuid,
tgt->ltd_active ? "" : "IN");
return 0;
}
&lustre_attr_activeobd.attr,
&lustre_attr_desc_uuid.attr,
&lustre_attr_numobd.attr,
+ &lustre_attr_qos_maxage.attr,
+ &lustre_attr_qos_prio_free.attr,
+ &lustre_attr_qos_threshold_rr.attr,
NULL,
};