Merge branch 'for-linus' of git://neil.brown.name/md

* 'for-linus' of git://neil.brown.name/md:
  md: Use revalidate_disk to effect changes in size of device.
  md: allow raid5_quiesce to work properly when reshape is happening.
  md/raid5: set reshape_position correctly when reshape starts.
  md: Handle growth of v1.x metadata correctly.
  md: avoid array overflow with bad v1.x metadata
  md: when a level change reduces the number of devices, remove the excess.
  md: Push down data integrity code to personalities.
  md/raid6: release spare page at ->stop()

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 0569efba0c02..8726fd7ebce5 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1144,7 +1144,7 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
                         rcu_assign_pointer(p->rdev, rdev);
                         break;
                 }
-
+        md_integrity_add_rdev(rdev, mddev);
         print_conf(conf);
         return err;
 }
@@ -1178,7 +1178,9 @@ static int raid1_remove_disk(mddev_t *mddev, int number)
                         /* lost the race, try later */
                         err = -EBUSY;
                         p->rdev = rdev;
+                        goto abort;
                 }
+                md_integrity_register(mddev);
         }
 abort:
 
@@ -2067,7 +2069,7 @@ static int run(mddev_t *mddev)
         mddev->queue->unplug_fn = raid1_unplug;
         mddev->queue->backing_dev_info.congested_fn = raid1_congested;
         mddev->queue->backing_dev_info.congested_data = mddev;
-
+        md_integrity_register(mddev);
         return 0;
 
 out_no_mem:
@@ -2132,6 +2134,7 @@ static int raid1_resize(mddev_t *mddev, sector_t sectors)
                 return -EINVAL;
         set_capacity(mddev->gendisk, mddev->array_sectors);
         mddev->changed = 1;
+        revalidate_disk(mddev->gendisk);
         if (sectors > mddev->dev_sectors &&
             mddev->recovery_cp == MaxSector) {
                 mddev->recovery_cp = mddev->dev_sectors;