FFS_NO_SETUP
ffs->setup_state = FFS_NO_SETUP;
ffs->setup_state = FFS_NO_SETUP;
ffs->setup_state = FFS_NO_SETUP;
case FFS_NO_SETUP:
case FFS_NO_SETUP:
case FFS_NO_SETUP:
cmpxchg(&ffs->setup_state, FFS_SETUP_CANCELLED, FFS_NO_SETUP);