f2fs: convert read_node_page() to use folio

Convert to use folio, so that we can get rid of 'page->index' to
prepare for removal of 'index' field in structure page [1].

[1] https://lore.kernel.org/all/Zp8fgUSIBGQ1TN0D@casper.infradead.org/

Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Chao Yu <chao@kernel.org>
Reviewed-by: Li Zetao <lizetao1@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index aeda3eecc9e2dc4da91cb8b4f3670cc16a9b8e78..f5e5abce695bb88ef18c3606a5b42853fa093fb8 100644 (file)
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1369,6 +1369,7 @@ fail:
  */
 static int read_node_page(struct page *page, blk_opf_t op_flags)
 {
+       struct folio *folio = page_folio(page);
        struct f2fs_sb_info *sbi = F2FS_P_SB(page);
        struct node_info ni;
        struct f2fs_io_info fio = {
@@ -1381,21 +1382,21 @@ static int read_node_page(struct page *page, blk_opf_t op_flags)
        };
        int err;
 
-       if (PageUptodate(page)) {
+       if (folio_test_uptodate(folio)) {
                if (!f2fs_inode_chksum_verify(sbi, page)) {
-                       ClearPageUptodate(page);
+                       folio_clear_uptodate(folio);
                        return -EFSBADCRC;
                }
                return LOCKED_PAGE;
        }
 
-       err = f2fs_get_node_info(sbi, page->index, &ni, false);
+       err = f2fs_get_node_info(sbi, folio->index, &ni, false);
        if (err)
                return err;
 
        /* NEW_ADDR can be seen, after cp_error drops some dirty node pages */
        if (unlikely(ni.blk_addr == NULL_ADDR || ni.blk_addr == NEW_ADDR)) {
-               ClearPageUptodate(page);
+               folio_clear_uptodate(folio);
                return -ENOENT;
        }