Name
generic_pipe_buf_unmap — 
     unmap a previously mapped pipe buffer
 
Synopsis
| void fsfuncgeneric_pipe_buf_unmap ( | struct pipe_inode_info * pipe, | 
|  | struct pipe_buffer * buf, | 
|  | void * map_data ); | 
 
Arguments
- pipe
- 
     the pipe that the buffer belongs to
     
- buf
- 
     the buffer that should be unmapped
     
- map_data
- 
     the data that the mapping function returned
     
Description
   This function undoes the mapping that ->map provided.