ext4: Use a folio iterator in __read_end_io()

Iterate once per folio, not once per page.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20230324180129.1220691-27-willy@infradead.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index fed4ddb..6f46823 100644 (file)
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -68,18 +68,16 @@ struct bio_post_read_ctx {
 
 static void __read_end_io(struct bio *bio)
 {
-       struct page *page;
-       struct bio_vec *bv;
-       struct bvec_iter_all iter_all;
+       struct folio_iter fi;
 
-       bio_for_each_segment_all(bv, bio, iter_all) {
-               page = bv->bv_page;
+       bio_for_each_folio_all(fi, bio) {
+               struct folio *folio = fi.folio;
 
                if (bio->bi_status)
-                       ClearPageUptodate(page);
+                       folio_clear_uptodate(folio);
                else
-                       SetPageUptodate(page);
-               unlock_page(page);
+                       folio_mark_uptodate(folio);
+               folio_unlock(folio);
        }
        if (bio->bi_private)
                mempool_free(bio->bi_private, bio_post_read_ctx_pool);