Name

kfifo_in_locked — puts some data into the FIFO using a spinlock for locking

Synopsis

unsigned int kfifo_in_locked (struct kfifo * fifo,
 const void * from,
 unsigned int n,
 spinlock_t * lock);
 

Arguments

fifo

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.

Description

This 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.