+ return snprintf(page, count, "%s\n", lov->desc.ld_uuid.uuid);
+}
+
+/* free priority (0-255): how badly user wants to choose empty osts */
+static int lov_rd_qos_priofree(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device*) data;
+ struct lov_obd *lov;
+
+ LASSERT(dev != NULL);
+ lov = &dev->u.lov;
+ *eof = 1;
+ return snprintf(page, count, "%d%%\n",
+ (lov->lov_qos.lq_prio_free * 100) >> 8);
+}
+
+static int lov_wr_qos_priofree(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_obd *lov;
+ int val, rc;
+ LASSERT(dev != NULL);
+
+ lov = &dev->u.lov;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > 100)
+ return -EINVAL;
+ lov->lov_qos.lq_prio_free = (val << 8) / 100;
+ lov->lov_qos.lq_dirty = 1;
+ lov->lov_qos.lq_reset = 1;
+ return count;
+}
+
+static int lov_rd_qos_thresholdrr(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device*) data;
+ struct lov_obd *lov;
+
+ LASSERT(dev != NULL);
+ lov = &dev->u.lov;
+ *eof = 1;
+ return snprintf(page, count, "%d%%\n",
+ (lov->lov_qos.lq_threshold_rr * 100) >> 8);
+}
+
+static int lov_wr_qos_thresholdrr(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_obd *lov;
+ int val, rc;
+ LASSERT(dev != NULL);
+
+ lov = &dev->u.lov;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val > 100 || val < 0)
+ return -EINVAL;
+
+ lov->lov_qos.lq_threshold_rr = (val << 8) / 100;
+ lov->lov_qos.lq_dirty = 1;
+ return count;
+}
+
+static int lov_rd_qos_maxage(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device*) data;
+ struct lov_obd *lov;
+
+ LASSERT(dev != NULL);
+ lov = &dev->u.lov;
+ *eof = 1;
+ return snprintf(page, count, "%u Sec\n", lov->desc.ld_qos_maxage);
+}
+
+static int lov_wr_qos_maxage(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_obd *lov;
+ int val, rc;
+ LASSERT(dev != NULL);
+
+ lov = &dev->u.lov;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val <= 0)
+ return -EINVAL;
+ lov->desc.ld_qos_maxage = val;
+ return count;