Name

kfifo_out_locked — gets some data from the FIFO using a spinlock for locking

Synopsis

__must_check unsigned int kfifo_out_locked (struct kfifo * fifo,
 void * to,
 unsigned int n,
 spinlock_t * lock);
 

Arguments

fifo

the fifo to be used.

to

where the data must be copied.

n

the size of the destination buffer.

lock

pointer to the spinlock to use for locking.

Description

This function copies at most len bytes from the FIFO into the to buffer and returns the number of copied bytes.