+static int zfs_osd_index_backup_seq_show(struct seq_file *m, void *data)
+{
+ struct osd_device *dev = osd_dt_dev((struct dt_device *)m->private);
+
+ LASSERT(dev != NULL);
+ if (!dev->od_os)
+ return -EINPROGRESS;
+
+ seq_printf(m, "%d\n", dev->od_index_backup_policy);
+ return 0;
+}
+
+static ssize_t zfs_osd_index_backup_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 val;
+ int rc;
+
+ LASSERT(dev != NULL);
+ if (!dev->od_os)
+ return -EINPROGRESS;
+
+ rc = kstrtoint_from_user(buffer, count, 0, &val);
+ if (rc)
+ return rc;
+
+ dev->od_index_backup_policy = val;
+ return count;
+}
+LPROC_SEQ_FOPS(zfs_osd_index_backup);
+
+static int zfs_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_os == NULL))
+ return -EINPROGRESS;
+
+ seq_printf(m, "%llu\n", osd->od_readcache_max_filesize);
+ return 0;
+}
+
+static ssize_t
+zfs_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_os == 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(zfs_osd_readcache);
+