+ return snprintf(page, count, "%s\n", osd->od_mntdev);
+}
+
+static int lprocfs_osd_rd_cache(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct osd_device *osd = osd_dt_dev(data);
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ return snprintf(page, count, "%u\n", osd->od_read_cache);
+}
+
+static int lprocfs_osd_wr_cache(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct osd_device *osd = osd_dt_dev(data);
+ int val, rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ osd->od_read_cache = !!val;
+ return count;
+}
+
+static int lprocfs_osd_rd_wcache(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct osd_device *osd = osd_dt_dev(data);
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ return snprintf(page, count, "%u\n", osd->od_writethrough_cache);
+}
+
+static int lprocfs_osd_wr_wcache(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct osd_device *osd = osd_dt_dev(data);
+ int val, rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ osd->od_writethrough_cache = !!val;
+ return count;
+}
+
+static int lprocfs_osd_wr_force_sync(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct osd_device *osd = osd_dt_dev(data);
+ struct dt_device *dt = data;
+ struct lu_env env;
+ int rc;
+
+ LASSERT(osd != NULL);
+ if (unlikely(osd->od_mnt == NULL))
+ return -EINPROGRESS;
+
+ rc = lu_env_init(&env, LCT_LOCAL);
+ if (rc)
+ return rc;
+ rc = dt_sync(&env, dt);
+ lu_env_fini(&env);
+
+ return rc == 0 ? count : rc;