KFIFO_IN_LOCKED(9) FIFO Buffer KFIFO_IN_LOCKED(9)NAMEkfifo_in_locked - puts some data into the FIFO using a spinlock for lockingSYNOPSISunsigned int kfifo_in_locked(struct kfifo * fifo, const void * from, unsigned int n, spinlock_t * lock);ARGUMENTSfifo the fifo to be used. from the data to be added. n the length of the data to be added. lock pointer to the spinlock to use for locking.DESCRIPTIONThis function copies at most len bytes from the from buffer into the FIFO depending on the free space, and returns the number of bytes copied.COPYRIGHTKernel Hackers Manual 2.6. July 2010 KFIFO_IN_LOCKED(9)