linux-kernel - [PATCH 3/7] fs/ntfs3: Equivalent transition from page to folio

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Message-ID: <20241101081753.10585-4-almaz.alexandrovich@paragon-software.com>
Date: Fri, 1 Nov 2024 11:17:49 +0300
From: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
To: <ntfs3@...ts.linux.dev>
CC: <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>,
	Konstantin Komarov <almaz.alexandrovich@...agon-software.com>, Matthew Wilcox
	<willy@...radead.org>
Subject: [PATCH 3/7] fs/ntfs3: Equivalent transition from page to folio

If using the proposed function folio_zero_range(), should one switch
from 'start + end' to 'start + length,' or use folio_zero_segment()

Fixes: 1da86618bdce ("fs: Convert aops->write_begin to take a folio")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
---
 fs/ntfs3/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c
index e370eaf9bfe2..f704ceef9539 100644
--- a/fs/ntfs3/file.c
+++ b/fs/ntfs3/file.c
@@ -222,7 +222,7 @@ static int ntfs_extend_initialized_size(struct file *file,
 		if (err)
 			goto out;
 
-		folio_zero_range(folio, zerofrom, folio_size(folio));
+		folio_zero_range(folio, zerofrom, folio_size(folio) - zerofrom);
 
 		err = ntfs_write_end(file, mapping, pos, len, len, folio, NULL);
 		if (err < 0)
-- 
2.34.1