+#ifdef HAVE_SERVER_SUPPORT
+enum brw_rw_stats {
+ BRW_R_PAGES = 0,
+ BRW_W_PAGES,
+ BRW_R_DISCONT_PAGES,
+ BRW_W_DISCONT_PAGES,
+ BRW_R_DISCONT_BLOCKS,
+ BRW_W_DISCONT_BLOCKS,
+ BRW_R_DIO_FRAGS,
+ BRW_W_DIO_FRAGS,
+ BRW_R_RPC_HIST,
+ BRW_W_RPC_HIST,
+ BRW_R_IO_TIME,
+ BRW_W_IO_TIME,
+ BRW_R_DISK_IOSIZE,
+ BRW_W_DISK_IOSIZE,
+ BRW_RW_STATS_NUM,
+};
+
+struct brw_stats_props {
+ const char *bsp_name;
+ const char *bsp_units;
+ bool bsp_scale;
+};
+
+struct brw_stats {
+ ktime_t bs_init;
+ struct obd_histogram bs_hist[BRW_RW_STATS_NUM];
+ struct brw_stats_props bs_props[BRW_RW_STATS_NUM / 2];
+};
+
+void ldebugfs_register_osd_stats(struct dentry *parent,
+ struct brw_stats *brw_stats,
+ struct lprocfs_stats *stats);
+#endif /* HAVE_SERVER_SUPPORT */
+