[RFC PATCH 1/3] filemap: convert page_endio to folio_endio

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page_endio() already works on folios by converting a page in to a folio as
the first step. Convert page_endio to folio_endio by taking a folio as the
first parameter.

Instead of doing a page to folio conversion in the page_endio()
function, the consumers of this API do this conversion and call the
folio_endio() function in this patch.
The following patches will convert the consumers of this API to use native
folio functions to pass to folio_endio().

Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
---
 drivers/block/zram/zram_drv.c | 2 +-
 fs/mpage.c                    | 2 +-
 fs/orangefs/inode.c           | 2 +-
 include/linux/pagemap.h       | 2 +-
 mm/filemap.c                  | 8 +++-----
 5 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index aa490da3cef2..f441251c9138 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -610,7 +610,7 @@ static void zram_page_end_io(struct bio *bio)
 {
 	struct page *page = bio_first_page_all(bio);
 
-	page_endio(page, op_is_write(bio_op(bio)),
+	folio_endio(page_folio(page), op_is_write(bio_op(bio)),
 			blk_status_to_errno(bio->bi_status));
 	bio_put(bio);
 }
diff --git a/fs/mpage.c b/fs/mpage.c
index 22b9de5ddd68..40e86e839e77 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -50,7 +50,7 @@ static void mpage_end_io(struct bio *bio)
 
 	bio_for_each_segment_all(bv, bio, iter_all) {
 		struct page *page = bv->bv_page;
-		page_endio(page, bio_op(bio),
+		folio_endio(page_folio(page), bio_op(bio),
 			   blk_status_to_errno(bio->bi_status));
 	}
 
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index aefdf1d3be7c..b12d099510ea 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -276,7 +276,7 @@ static void orangefs_readahead(struct readahead_control *rac)
 
 	/* clean up. */
 	while ((page = readahead_page(rac))) {
-		page_endio(page, false, ret);
+		folio_endio(page_folio(page), false, ret);
 		put_page(page);
 	}
 }
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index fdcd595d2294..80eab64b834f 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -1076,7 +1076,7 @@ int filemap_migrate_folio(struct address_space *mapping, struct folio *dst,
 #else
 #define filemap_migrate_folio NULL
 #endif
-void page_endio(struct page *page, bool is_write, int err);
+void folio_endio(struct folio *folio, bool is_write, int err);
 
 void folio_end_private_2(struct folio *folio);
 void folio_wait_private_2(struct folio *folio);
diff --git a/mm/filemap.c b/mm/filemap.c
index a34abfe8c654..a89940f74974 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1626,13 +1626,11 @@ void folio_end_writeback(struct folio *folio)
 EXPORT_SYMBOL(folio_end_writeback);
 
 /*
- * After completing I/O on a page, call this routine to update the page
+ * After completing I/O on a folio, call this routine to update the folio
  * flags appropriately
  */
-void page_endio(struct page *page, bool is_write, int err)
+void folio_endio(struct folio *folio, bool is_write, int err)
 {
-	struct folio *folio = page_folio(page);
-
 	if (!is_write) {
 		if (!err) {
 			folio_mark_uptodate(folio);
@@ -1653,7 +1651,7 @@ void page_endio(struct page *page, bool is_write, int err)
 		folio_end_writeback(folio);
 	}
 }
-EXPORT_SYMBOL_GPL(page_endio);
+EXPORT_SYMBOL_GPL(folio_endio);
 
 /**
  * __folio_lock - Get a lock on the folio, assuming we need to sleep to get it.
-- 
2.34.1




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