NFS_STATE_CHANGE_WAIT
if (test_and_clear_bit(NFS_STATE_CHANGE_WAIT, &state->flags))
set_bit(NFS_STATE_CHANGE_WAIT, &state->flags);
set_bit(NFS_STATE_CHANGE_WAIT, &state->flags);
TRACE_DEFINE_ENUM(NFS_STATE_CHANGE_WAIT);
{ NFS_STATE_CHANGE_WAIT, "CHANGE_WAIT" }, \