f2fs: convert f2fs_flush_inline_data() to use filemap_get_folios_tag()

Convert function to use a folio_batch instead of pagevec. This is in
preparation for the removal of find_get_pages_tag().

Link: https://lkml.kernel.org/r/20230104211448.4804-13-vishal.moola@gmail.comSigned-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Acked-by: Chao Yu <chao@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

fs/f2fs/node.c

@@ -1890,17 +1890,18 @@ static bool flush_dirty_inode(struct page *page)
 void f2fs_flush_inline_data(struct f2fs_sb_info *sbi)
 {
 	pgoff_t index = 0;
-	struct pagevec pvec;
-	int nr_pages;
+	struct folio_batch fbatch;
+	int nr_folios;
 
-	pagevec_init(&pvec);
+	folio_batch_init(&fbatch);
 
-	while ((nr_pages = pagevec_lookup_tag(&pvec,
-			NODE_MAPPING(sbi), &index, PAGECACHE_TAG_DIRTY))) {
+	while ((nr_folios = filemap_get_folios_tag(NODE_MAPPING(sbi), &index,
+					(pgoff_t)-1, PAGECACHE_TAG_DIRTY,
+					&fbatch))) {
 		int i;
 
-		for (i = 0; i < nr_pages; i++) {
-			struct page *page = pvec.pages[i];
+		for (i = 0; i < nr_folios; i++) {
+			struct page *page = &fbatch.folios[i]->page;
 
 			if (!IS_DNODE(page))
 				continue;
@@ -1927,7 +1928,7 @@ void f2fs_flush_inline_data(struct f2fs_sb_info *sbi)
 			}
 			unlock_page(page);
 		}
-		pagevec_release(&pvec);
+		folio_batch_release(&fbatch);
 		cond_resched();
 	}
 }