struct_pipe_buffer(9) centos man page | unix.com

STRUCT 
PIPE_BUFFER(9)						     pipes API						     STRUCT PIPE_BUFFER(9)

NAME
       struct_pipe_buffer - a linux kernel pipe buffer

SYNOPSIS
       struct pipe_buffer {
	 struct page * page;
	 unsigned int offset;
	 unsigned int len;
	 const struct pipe_buf_operations * ops;
	 unsigned int flags;
	 unsigned long private;
       };

MEMBERS
       page
	   the page containing the data for the pipe buffer

       offset
	   offset of data inside the page

       len
	   length of data inside the page

       ops
	   operations associated with this buffer. See pipe_buf_operations.

       flags
	   pipe buffer flags. See above.

       private
	   private data owned by the ops.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     STRUCT PIPE_BUFFER(9)