diff --git a/scst/include/scst.h b/scst/include/scst.h
index 221fd8ceb..f510f0dd0 100644
--- a/scst/include/scst.h
+++ b/scst/include/scst.h
@@ -4404,11 +4404,12 @@ int scst_scsi_exec_async(struct scst_cmd *cmd, void *data,
 	void (*done)(void *data, char *sense, int result, int resid));
 #endif
 
-void scst_write_same(struct scst_cmd *cmd);
-
 struct scst_data_descriptor {
+	/* Both fields in blocks */
 	uint64_t sdd_lba;
 	uint64_t sdd_len;
 };
 
+void scst_write_same(struct scst_cmd *cmd);
+
 #endif /* __SCST_H */
diff --git a/scst/src/scst_lib.c b/scst/src/scst_lib.c
index bb5712f4f..5b09dcfbc 100644
--- a/scst/src/scst_lib.c
+++ b/scst/src/scst_lib.c
@@ -4331,6 +4331,8 @@ static struct scst_cmd *scst_create_prepare_internal_cmd(
 	if (res->tgt_dev != NULL)
 		res->cpu_cmd_counter = scst_get();
 
+	TRACE(TRACE_SCSI, "New internal cmd %p (op 0x%x)", res, res->cdb[0]);
+
 	rc = scst_pre_parse(res);
 	sBUG_ON(rc != 0);