page_cache_pipe_buf_ops  141 fs/splice.c    const struct pipe_buf_operations page_cache_pipe_buf_ops = {
page_cache_pipe_buf_ops   88 include/linux/splice.h extern const struct pipe_buf_operations page_cache_pipe_buf_ops;
page_cache_pipe_buf_ops  400 lib/iov_iter.c 	buf->ops = &page_cache_pipe_buf_ops;