Subject: Re: linux-next: build failure after merge of the mm tree

From: Stephen Rothwell <[email-masked]>
Date: Wed, 1 Feb 2023 08:47:41 +1100

Hi Jan,

On Fri, 27 Jan 2023 14:11:42 +0100 Jan Kara <[email-masked]> wrote:
>
> Thanks for the fixup! The right function to replace PageLocked() with is
> folio_test_locked(). Anyway, I'll prepare a suggested conflict resolution
> for Linus when pushing the changes.

Thanks for the hint.  This is what I am using now:

From: Stephen Rothwell <[email-masked]>
Date: Fri, 27 Jan 2023 16:50:34 +1100
Subject: [PATCH] udf: fix up for "fs: convert writepage_t callback to pass a folio"

Signed-off-by: Stephen Rothwell <[email-masked]>
---
 fs/udf/inode.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 3b2adf4cbc57..b47bf9c73f4d 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -185,16 +185,17 @@ static void udf_write_failed(struct address_space *mapping, loff_t to)
 	}
 }
 
-static int udf_adinicb_writepage(struct page *page,
+static int udf_adinicb_writepage(struct folio *folio,
 				 struct writeback_control *wbc, void *data)
 {
+	struct page *page = &folio->page;
 	struct inode *inode = page->mapping->host;
 	struct udf_inode_info *iinfo = UDF_I(inode);
 
-	BUG_ON(!PageLocked(page));
+	BUG_ON(!folio_test_locked(folio));
 	memcpy_to_page(page, 0, iinfo->i_data + iinfo->i_lenEAttr,
 		       i_size_read(inode));
-	unlock_page(page);
+	folio_unlock(folio);
 	mark_inode_dirty(inode);
 
 	return 0;
-- 
2.35.1

-- 
Cheers,
Stephen Rothwell