BH_State 347 include/linux/jbd2.h bit_spin_lock(BH_State, &bh->b_state); BH_State 352 include/linux/jbd2.h return bit_spin_trylock(BH_State, &bh->b_state); BH_State 357 include/linux/jbd2.h return bit_spin_is_locked(BH_State, &bh->b_state); BH_State 362 include/linux/jbd2.h bit_spin_unlock(BH_State, &bh->b_state);