Splice data from a pipe to a file
ssize_t splice_from_pipe(struct pipe_inode_info * pipe, struct file * out, loff_t * ppos, size_t len, unsigned int flags, splice_actor * actor);
pipe
pipe to splice from
out
file to splice to
ppos
position in out
len
how many bytes to splice
flags
splice modifier flags
actor
handler that splices the data
See __splice_from_pipe. This function locks the pipe inode, otherwise it's identical to __splice_from_pipe.