1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 62ebb1bc72be..7239079203ec 100644
--- a/drivers/md/raid10.c
+++ b/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 */