pipe_buf_operations   23 include/linux/pipe_fs_i.h 	const struct pipe_buf_operations *ops;
pipe_buf_operations  141 include/linux/pipe_fs_i.h extern const struct pipe_buf_operations nosteal_pipe_buf_ops;
pipe_buf_operations   59 include/linux/splice.h 	const struct pipe_buf_operations *ops;/* ops associated with output pipe */
pipe_buf_operations   85 include/linux/splice.h extern const struct pipe_buf_operations page_cache_pipe_buf_ops;