linux-kernel - [PATCH 07/17] nilfs2: Pass the mapped address to nilfs_check

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Message-Id: <20231127143036.2425-8-konishi.ryusuke@gmail.com>
Date:   Mon, 27 Nov 2023 23:30:26 +0900
From:   Ryusuke Konishi <konishi.ryusuke@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-nilfs@...r.kernel.org, Matthew Wilcox <willy@...radead.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 07/17] nilfs2: Pass the mapped address to nilfs_check_page()

From: "Matthew Wilcox (Oracle)" <willy@...radead.org>

Remove another use of page_address() as part of preparing for
the kmap to kmap_local transition.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
 fs/nilfs2/dir.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index 45f75d4c4522..01900e84bddf 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -107,12 +107,11 @@ static void nilfs_commit_chunk(struct page *page,
 	unlock_page(page);
 }
 
-static bool nilfs_check_page(struct page *page)
+static bool nilfs_check_page(struct page *page, char *kaddr)
 {
 	struct inode *dir = page->mapping->host;
 	struct super_block *sb = dir->i_sb;
 	unsigned int chunk_size = nilfs_chunk_size(dir);
-	char *kaddr = page_address(page);
 	unsigned int offs, rec_len;
 	unsigned int limit = PAGE_SIZE;
 	struct nilfs_dir_entry *p;
@@ -192,7 +191,7 @@ static void *nilfs_get_page(struct inode *dir, unsigned long n,
 
 	kaddr = kmap(page);
 	if (unlikely(!PageChecked(page))) {
-		if (!nilfs_check_page(page))
+		if (!nilfs_check_page(page, kaddr))
 			goto fail;
 	}
 
-- 
2.34.1