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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>
This commit is contained in:
Matthew Wilcox 2023-03-24 18:01:26 +00:00 committed by Theodore Ts'o
parent 9ea0e45bd2
commit f2b229a8c6
1 changed files with 6 additions and 8 deletions
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14
fs/ext4/readpage.c
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@ -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);