OCFS2_LOCK_QUEUED
if (lockres->l_flags & OCFS2_LOCK_QUEUED && current == osb->dc_task) {
while (lockres->l_flags & OCFS2_LOCK_QUEUED) {
lockres_add_mask_waiter(lockres, &mw, OCFS2_LOCK_QUEUED, 0);
lockres_clear_flags(lockres, OCFS2_LOCK_QUEUED);
lockres_or_flags(lockres, OCFS2_LOCK_QUEUED);