dlm_cb_seq_spin    18 fs/dlm/ast.c   static DEFINE_SPINLOCK(dlm_cb_seq_spin);
dlm_cb_seq_spin   180 fs/dlm/ast.c   	spin_lock(&dlm_cb_seq_spin);
dlm_cb_seq_spin   184 fs/dlm/ast.c   	spin_unlock(&dlm_cb_seq_spin);