__mpage_writepage 686 fs/mpage.c ret = write_cache_pages(mapping, wbc, __mpage_writepage, &mpd); __mpage_writepage 703 fs/mpage.c int ret = __mpage_writepage(page, wbc, &mpd); __mpage_writepage 27 include/linux/mpage.h int __mpage_writepage(struct page *page, struct writeback_control *wbc,