diff --git a/[refs] b/[refs]
index 625ec2a9c2f9..d3b6ac55e142 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 486a153f0e294f7cc735838edcb6b32e623cbe52
+refs/heads/master: 3ec67ac1a399d576d48b0736096bcce7721fe3cf
diff --git a/trunk/drivers/md/raid10.c b/trunk/drivers/md/raid10.c
index 62ebb1bc72be..7239079203ec 100644
--- a/trunk/drivers/md/raid10.c
+++ b/trunk/drivers/md/raid10.c
@@ -538,7 +538,8 @@ static int read_balance(conf_t *conf, r10bio_t *r10_bio)
 	}
 
 
-	current_distance = abs(this_sector - conf->mirrors[disk].head_position);
+	current_distance = abs(r10_bio->devs[slot].addr -
+			       conf->mirrors[disk].head_position);
 
 	/* Find the disk whose head is closest */