bcachefs: Read error message now prints if self healing

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/io_read.c

@@ -343,6 +343,10 @@ static struct bch_read_bio *promote_alloc(struct btree_trans *trans,
 
 	*bounce		= true;
 	*read_full	= promote_full;
+
+	if (have_io_error(failed))
+		orig->self_healing = true;
+
 	return promote;
 nopromote:
 	trace_io_read_nopromote(c, ret);
@@ -635,12 +639,15 @@ static void bch2_rbio_retry(struct work_struct *work)
 			prt_str(&buf, "(internal move) ");
 
 		prt_str(&buf, "data read error, ");
-		if (!ret)
+		if (!ret) {
 			prt_str(&buf, "successful retry");
-		else
+			if (rbio->self_healing)
+				prt_str(&buf, ", self healing");
+		} else
 			prt_str(&buf, bch2_err_str(ret));
 		prt_newline(&buf);
 
+
 		if (!bkey_deleted(&sk.k->k)) {
 			bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(sk.k));
 			prt_newline(&buf);

fs/bcachefs/io_read.h

@@ -44,6 +44,7 @@ struct bch_read_bio {
 				have_ioref:1,
 				narrow_crcs:1,
 				saw_error:1,
+				self_healing:1,
 				context:2;
 	};
 	u16			_state;