1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 5de42d87bf4e..6c486d839c99 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -537,7 +537,8 @@ static int read_balance(conf_t *conf, r10bio_t *r10_bio)
         current_distance = abs(r10_bio->devs[slot].addr -
                                conf->mirrors[disk].head_position);
 
-        /* Find the disk whose head is closest */
+        /* Find the disk whose head is closest,
+         * or - for far > 1 - find the closest to partition beginning */
 
         for (nslot = slot; nslot < conf->copies; nslot++) {
                 int ndisk = r10_bio->devs[nslot].devnum;
@@ -557,8 +558,13 @@ static int read_balance(conf_t *conf, r10bio_t *r10_bio)
                         slot = nslot;
                         break;
                 }
-                new_distance = abs(r10_bio->devs[nslot].addr -
-                                   conf->mirrors[ndisk].head_position);
+
+                /* for far > 1 always use the lowest address */
+                if (conf->far_copies > 1)
+                        new_distance = r10_bio->devs[nslot].addr;
+                else
+                        new_distance = abs(r10_bio->devs[nslot].addr -
+                                           conf->mirrors[ndisk].head_position);
                 if (new_distance < current_distance) {
                         current_distance = new_distance;
                         disk = ndisk;