From cd57b77197a434709aec0e7fb8b2e6ec8479aa4e Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <willy@infradead.org>
Date: Fri, 24 Mar 2023 18:01:03 +0000
Subject: ext4: Convert ext4_bio_write_page() to use a folio

Remove several calls to compound_head() and the last caller of
set_page_writeback_keepwrite(), so remove the wrapper too.

Also export bio_add_folio() as this is the first caller from a module.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/20230324180129.1220691-4-willy@infradead.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 block/bio.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'block/bio.c')

diff --git a/block/bio.c b/block/bio.c
index fd11614bba4d..043944fd46eb 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1159,6 +1159,7 @@ bool bio_add_folio(struct bio *bio, struct folio *folio, size_t len,
 		return false;
 	return bio_add_page(bio, &folio->page, len, off) > 0;
 }
+EXPORT_SYMBOL(bio_add_folio);
 
 void __bio_release_pages(struct bio *bio, bool mark_dirty)
 {
-- 
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