+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%llu (bad OI mappings/minute)\n",
+ dev->od_full_scrub_threshold_rate);
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_full_scrub_threshold_rate_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *dev = osd_dt_dev(dt);
+ int rc;
+ __s64 val;
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = lprocfs_str_to_s64(buffer, count, &val);
+ if (rc != 0)
+ return rc;
+
+ if (val < 0)
+ return -EINVAL;
+
+ dev->od_full_scrub_threshold_rate = val;
+ return count;
+}
+LPROC_SEQ_FOPS(ldiskfs_osd_full_scrub_threshold_rate);
+
+static int
+ldiskfs_osd_track_declares_assert_seq_show(struct seq_file *m, void *data)
+{
+ seq_printf(m, "%d\n", ldiskfs_track_declares_assert);
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_track_declares_assert_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ __s64 track_declares_assert;
+ int rc;
+
+ rc = lprocfs_str_to_s64(buffer, count, &track_declares_assert);
+ if (rc != 0)
+ return rc;
+
+ ldiskfs_track_declares_assert = !!track_declares_assert;
+
+ return count;
+}
+LPROC_SEQ_FOPS(ldiskfs_osd_track_declares_assert);
+
+static int ldiskfs_osd_oi_scrub_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ osd_scrub_dump(m, dev);
+ return 0;
+}
+LPROC_SEQ_FOPS_RO(ldiskfs_osd_oi_scrub);
+
+static int ldiskfs_osd_readcache_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *osd = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%llu\n", osd->od_readcache_max_filesize);
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_readcache_seq_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *osd = osd_dt_dev(dt);
+ __s64 val;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = lprocfs_str_with_units_to_s64(buffer, count, &val, '1');
+ if (rc)
+ return rc;
+ if (val < 0)
+ return -ERANGE;
+
+ osd->od_readcache_max_filesize = val > OSD_MAX_CACHE_SIZE ?
+ OSD_MAX_CACHE_SIZE : val;
+ return count;
+}
+LPROC_SEQ_FOPS(ldiskfs_osd_readcache);
+
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
+static int ldiskfs_osd_index_in_idif_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%d\n", (int)(dev->od_index_in_idif));
+ return 0;
+}
+
+static ssize_t
+ldiskfs_osd_index_in_idif_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off)
+{
+ struct lu_env env;
+ struct seq_file *m = file->private_data;
+ struct dt_device *dt = m->private;
+ struct osd_device *dev = osd_dt_dev(dt);
+ struct lu_target *tgt;
+ __s64 val;
+ int rc;
+
+ LASSERT(dev != NULL);
+ if (unlikely(dev->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = lprocfs_str_to_s64(buffer, count, &val);
+ if (rc != 0)
+ return rc;
+
+ if (dev->od_index_in_idif) {
+ if (val != 0)
+ return count;
+
+ LCONSOLE_WARN("%s: OST-index in IDIF has been enabled, "
+ "it cannot be reverted back.\n", osd_name(dev));
+ return -EPERM;
+ }
+
+ if (val == 0)
+ return count;
+
+ rc = lu_env_init(&env, LCT_DT_THREAD);
+ if (rc != 0)
+ return rc;
+
+ tgt = dev->od_dt_dev.dd_lu_dev.ld_site->ls_tgt;
+ tgt->lut_lsd.lsd_feature_rocompat |= OBD_ROCOMPAT_IDX_IN_IDIF;
+ rc = tgt_server_data_update(&env, tgt, 1);
+ lu_env_fini(&env);
+ if (rc < 0)
+ return rc;
+
+ LCONSOLE_INFO("%s: enable OST-index in IDIF successfully, "
+ "it cannot be reverted back.\n", osd_name(dev));
+
+ dev->od_index_in_idif = 1;
+ return count;