[PATCH v2 3/9] mm/page_io: convert bio_first_page_all() to bio_first_folio_all()

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From: ZhangPeng <zhangpeng362@xxxxxxxxxx>

Convert bio_first_page_all() to bio_first_folio_all() to return a
folio, which makes it easier to use.

Suggested-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx>
---
 Documentation/block/biovecs.rst  | 2 +-
 drivers/block/drbd/drbd_bitmap.c | 2 +-
 fs/f2fs/data.c                   | 2 +-
 include/linux/bio.h              | 4 ++--
 kernel/power/swap.c              | 2 +-
 mm/page_io.c                     | 4 ++--
 6 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Documentation/block/biovecs.rst b/Documentation/block/biovecs.rst
index ddb867e0185b..258f6faed333 100644
--- a/Documentation/block/biovecs.rst
+++ b/Documentation/block/biovecs.rst
@@ -133,7 +133,7 @@ Usage of helpers:
 	bio_for_each_segment_all()
 	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
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 85ca000a0564..ce1a07ba85ff 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -939,7 +939,7 @@ static void drbd_bm_endio(struct bio *bio)
 	struct drbd_bm_aio_ctx *ctx = bio->bi_private;
 	struct drbd_device *device = ctx->device;
 	struct drbd_bitmap *b = device->bitmap;
-	unsigned int idx = bm_page_to_idx(bio_first_page_all(bio));
+	unsigned int idx = bm_page_to_idx(&bio_first_folio_all(bio)->page);
 
 	if ((ctx->flags & BM_AIO_COPY_PAGES) == 0 &&
 	    !bm_test_page_unchanged(b->bm_pages[idx]))
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 5882afe71d82..6706858de984 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -288,7 +288,7 @@ static void f2fs_post_read_work(struct work_struct *work)
 
 static void f2fs_read_end_io(struct bio *bio)
 {
-	struct f2fs_sb_info *sbi = F2FS_P_SB(bio_first_page_all(bio));
+	struct f2fs_sb_info *sbi = F2FS_P_SB(&bio_first_folio_all(bio)->page);
 	struct bio_post_read_ctx *ctx;
 	bool intask = in_task();
 
diff --git a/include/linux/bio.h b/include/linux/bio.h
index c4f5b5228105..7d2979d24530 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -248,9 +248,9 @@ static inline struct bio_vec *bio_first_bvec_all(struct bio *bio)
 	return bio->bi_io_vec;
 }
 
-static inline struct page *bio_first_page_all(struct bio *bio)
+static inline struct folio *bio_first_folio_all(struct bio *bio)
 {
-	return bio_first_bvec_all(bio)->bv_page;
+	return page_folio(bio_first_bvec_all(bio)->bv_page);
 }
 
 static inline struct bio_vec *bio_last_bvec_all(struct bio *bio)
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index f6ebcd00c410..2796ce48ca4b 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -247,7 +247,7 @@ static void hib_finish_batch(struct hib_bio_batch *hb)
 static void hib_end_io(struct bio *bio)
 {
 	struct hib_bio_batch *hb = bio->bi_private;
-	struct page *page = bio_first_page_all(bio);
+	struct page *page = &bio_first_folio_all(bio)->page;
 
 	if (bio->bi_status) {
 		pr_alert("Read-error on swap-device (%u:%u:%Lu)\n",
diff --git a/mm/page_io.c b/mm/page_io.c
index 5ddb5d9c5013..e21d570c873d 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -29,7 +29,7 @@
 
 static void __end_swap_bio_write(struct bio *bio)
 {
-	struct page *page = bio_first_page_all(bio);
+	struct page *page = &bio_first_folio_all(bio)->page;
 
 	if (bio->bi_status) {
 		/*
@@ -57,7 +57,7 @@ static void end_swap_bio_write(struct bio *bio)
 
 static void __end_swap_bio_read(struct bio *bio)
 {
-	struct page *page = bio_first_page_all(bio);
+	struct page *page = &bio_first_folio_all(bio)->page;
 
 	if (bio->bi_status) {
 		pr_alert_ratelimited("Read-error on swap-device (%u:%u:%llu)\n",
-- 
2.25.1





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