[PATCH 4/5] mpage: use folios in bio end_io handler
From: Pankaj Raghav <hidden>
Date: 2023-03-28 11:27:36
Also in:
linux-fsdevel, linux-mm, lkml
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
Use folios in the bio end_io handler. This conversion does the appropriate handling on the folios in the respective end_io callback and removes the call to page_endio(), which is soon to be removed. Signed-off-by: Pankaj Raghav <redacted> --- fs/mpage.c | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-)
diff --git a/fs/mpage.c b/fs/mpage.c
index 3a545bf0f184..6f43b7c9d4de 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c@@ -45,13 +45,15 @@ */ static void mpage_read_end_io(struct bio *bio) { - struct bio_vec *bv; - struct bvec_iter_all iter_all; + struct folio_iter fi; + int err = blk_status_to_errno(bio->bi_status); - bio_for_each_segment_all(bv, bio, iter_all) { - struct page *page = bv->bv_page; - page_endio(page, REQ_OP_READ, - blk_status_to_errno(bio->bi_status)); + bio_for_each_folio_all(fi, bio) { + if (!err) + folio_mark_uptodate(fi.folio); + else + folio_set_error(fi.folio); + folio_unlock(fi.folio); } bio_put(bio);
@@ -59,13 +61,15 @@ static void mpage_read_end_io(struct bio *bio) static void mpage_write_end_io(struct bio *bio) { - struct bio_vec *bv; - struct bvec_iter_all iter_all; + struct folio_iter fi; + int err = blk_status_to_errno(bio->bi_status); - bio_for_each_segment_all(bv, bio, iter_all) { - struct page *page = bv->bv_page; - page_endio(page, REQ_OP_WRITE, - blk_status_to_errno(bio->bi_status)); + bio_for_each_folio_all(fi, bio) { + if (err) { + folio_set_error(fi.folio); + mapping_set_error(fi.folio->mapping, err); + } + folio_end_writeback(fi.folio); } bio_put(bio);
--
2.34.1