The patch titled
Subject: mm/page_io: introduce bio_first_folio_all()
has been added to the -mm mm-unstable branch. Its filename is
mm-page_io-introduce-bio_first_folio_all.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_io-introduce-bio_first_folio_all.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Subject: mm/page_io: introduce bio_first_folio_all()
Date: Fri, 21 Jul 2023 11:44:44 +0800
Introduce bio_first_folio_all() to return a folio, which makes it easier
to use.
Link: https://lkml.kernel.org/r/20230721034451.16412-4-zhangpeng362@xxxxxxxxxx
Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Suggested-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Nanyong Sun <sunnanyong@xxxxxxxxxx>
Cc: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/block/biovecs.rst | 1 +
include/linux/bio.h | 5 +++++
2 files changed, 6 insertions(+)
--- a/Documentation/block/biovecs.rst~mm-page_io-introduce-bio_first_folio_all
+++ a/Documentation/block/biovecs.rst
@@ -134,6 +134,7 @@ Usage of helpers:
bio_for_each_bvec_all()
bio_first_bvec_all()
bio_first_page_all()
+ bio_first_folio_all()
bio_last_bvec_all()
* The following helpers iterate over single-page segment. The passed 'struct
--- a/include/linux/bio.h~mm-page_io-introduce-bio_first_folio_all
+++ a/include/linux/bio.h
@@ -253,6 +253,11 @@ static inline struct page *bio_first_pag
return bio_first_bvec_all(bio)->bv_page;
}
+static inline struct folio *bio_first_folio_all(struct bio *bio)
+{
+ return page_folio(bio_first_page_all(bio));
+}
+
static inline struct bio_vec *bio_last_bvec_all(struct bio *bio)
{
WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED));
_
Patches currently in -mm which might be from zhangpeng362@xxxxxxxxxx are
mm-use-a-folio-in-fault_dirty_shared_page.patch
mm-remove-page_rmapping.patch
mm-page_io-remove-unneeded-clearpageuptodate.patch
mm-page_io-remove-unneeded-setpageerror.patch
mm-page_io-introduce-bio_first_folio_all.patch
mm-page_io-use-a-folio-in-__end_swap_bio_write.patch
mm-page_io-use-a-folio-in-__end_swap_bio_read.patch
mm-page_io-use-a-folio-in-sio_read_complete.patch
mm-page_io-use-a-folio-in-swap_writepage_bdev_sync.patch
mm-page_io-use-a-folio-in-swap_writepage_bdev_async.patch
mm-page_io-convert-count_swpout_vm_event-to-take-in-a-folio.patch
mm-page_io-convert-bio_associate_blkg_from_page-to-take-in-a-folio.patch
