1428 	pgoff_t first_page;	/* The first page to write */  member
1450 	if (mpd->first_page >= mpd->next_page)  in mpage_release_unused_pages()
1453 	index = mpd->first_page;  in mpage_release_unused_pages()
1902 	BUG_ON(page->index != mpd->first_page);  in mpage_submit_page()
1911 	mpd->first_page++;  in mpage_submit_page()
2253 	disksize = ((loff_t)mpd->first_page) << PAGE_CACHE_SHIFT;  in mpage_map_and_submit_extent()
2315 	pgoff_t index = mpd->first_page;  in mpage_prepare_extent_to_map()
2385 				mpd->first_page = page->index;  in mpage_prepare_extent_to_map()
2498 		mpd.first_page = writeback_index;  in ext4_writepages()
2501 		mpd.first_page = wbc->range_start >> PAGE_CACHE_SHIFT;  in ext4_writepages()
2510 		tag_pages_for_writeback(mapping, mpd.first_page, mpd.last_page);  in ext4_writepages()
2513 	while (!done && mpd.first_page <= mpd.last_page) {  in ext4_writepages()
2544 		trace_ext4_da_write_pages(inode, mpd.first_page, mpd.wbc);  in ext4_writepages()
2586 		mpd.first_page = 0;  in ext4_writepages()
2596 		mapping->writeback_index = mpd.first_page;  in ext4_writepages()