Name

generic_pipe_buf_get — get a reference to a struct pipe_buffer

Synopsis

void generic_pipe_buf_get (struct pipe_inode_info *  pipe,
 struct pipe_buffer *  buf);

Arguments

pipe

the pipe that the buffer belongs to

buf

the buffer to get a reference to

Description

This function grabs an extra reference to buf. It's used in in the tee system call, when we duplicate the buffers in one pipe into another.