area_resyncing
.area_resyncing = area_resyncing,
int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi);
mddev->cluster_ops->area_resyncing(mddev, READ, this_sector,
mddev->cluster_ops->area_resyncing(mddev, WRITE,
if (!mddev->cluster_ops->area_resyncing(mddev, WRITE,
mddev->cluster_ops->area_resyncing(mddev, WRITE,
if (!mddev->cluster_ops->area_resyncing(mddev, WRITE,