kfifo: provide kfifo_is_empty_spinlocked()

	__tmpq->kfifo.in == __tmpq->kfifo.out; \

})

/**

 * kfifo_is_empty_spinlocked - returns true if the fifo is empty using

 * a spinlock for locking

 * @fifo: address of the fifo to be used

 * @lock: spinlock to be used for locking

 */

#define kfifo_is_empty_spinlocked(fifo, lock) \

({ \

	unsigned long __flags; \

	bool __ret; \

	spin_lock_irqsave(lock, __flags); \

	__ret = kfifo_is_empty(fifo); \

	spin_unlock_irqrestore(lock, __flags); \

	__ret; \

})

/**

 * kfifo_is_empty_spinlocked_noirqsave  - returns true if the fifo is empty

 * using a spinlock for locking, doesn't disable interrupts

 * @fifo: address of the fifo to be used

 * @lock: spinlock to be used for locking

 */

#define kfifo_is_empty_spinlocked_noirqsave(fifo, lock) \

({ \

	bool __ret; \

	spin_lock(lock); \

	__ret = kfifo_is_empty(fifo); \

	spin_unlock(lock); \

	__ret; \

})

/**

 * kfifo_is_full - returns true if the fifo is full

 * @fifo: address of the fifo to be used