md: Use revalidate_disk to effect changes in size of device.

[deliverable/linux.git] / drivers / md / raid5.c

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 2dc35b4c20ac5d3d58d3bc79472acfdd82a4cae7..2b521ee67dfa0c86923ff2c0e1ba2790977cc63a 100644 (file)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4858,6 +4858,7 @@ static int raid5_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;
                set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
@@ -5058,7 +5059,6 @@ static void end_reshape(raid5_conf_t *conf)
  */
 static void raid5_finish_reshape(mddev_t *mddev)
 {
-       struct block_device *bdev;
        raid5_conf_t *conf = mddev->private;
 
        if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) {
@@ -5067,15 +5067,7 @@ static void raid5_finish_reshape(mddev_t *mddev)
                        md_set_array_sectors(mddev, raid5_size(mddev, 0, 0));
                        set_capacity(mddev->gendisk, mddev->array_sectors);
                        mddev->changed = 1;
-
-                       bdev = bdget_disk(mddev->gendisk, 0);
-                       if (bdev) {
-                               mutex_lock(&bdev->bd_inode->i_mutex);
-                               i_size_write(bdev->bd_inode,
-                                            (loff_t)mddev->array_sectors << 9);
-                               mutex_unlock(&bdev->bd_inode->i_mutex);
-                               bdput(bdev);
-                       }
+                       revalidate_disk(mddev->gendisk);
                } else {
                        int d;
                        mddev->degraded = conf->raid_disks;