1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 164b25dca101..97ee870b265d 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1266,6 +1266,11 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
                                         sbio->bi_sector = r1_bio->sector +
                                                 conf->mirrors[i].rdev->data_offset;
                                         sbio->bi_bdev = conf->mirrors[i].rdev->bdev;
+                                        for (j = 0; j < vcnt ; j++)
+                                                memcpy(page_address(sbio->bi_io_vec[j].bv_page),
+                                                       page_address(pbio->bi_io_vec[j].bv_page),
+                                                       PAGE_SIZE);
+
                                 }
                         }
         }
@@ -2099,6 +2104,8 @@ static int raid1_reshape(mddev_t *mddev)
                 return -EINVAL;
         }
 
+        md_allow_write(mddev);
+
         raid_disks = mddev->raid_disks + mddev->delta_disks;
 
         if (raid_disks < conf->raid_disks) {