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From: Ryusuke Konishi <konishi.ryusuke@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-nilfs@vger.kernel.org, Matthew Wilcox <willy@infradead.org>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 07/17] nilfs2: Pass the mapped address to nilfs_check_page()
Date: Mon, 27 Nov 2023 23:30:26 +0900	[thread overview]
Message-ID: <20231127143036.2425-8-konishi.ryusuke@gmail.com> (raw)
In-Reply-To: <20231127143036.2425-1-konishi.ryusuke@gmail.com>

From: "Matthew Wilcox (Oracle)" <willy@infradead.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@infradead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.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


  parent reply	other threads:[~2023-11-27 14:31 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-27 14:30 [PATCH 00/17] nilfs2: Folio conversions for directory paths Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 01/17] nilfs2: move page release outside of nilfs_delete_entry and nilfs_set_link Ryusuke Konishi
2023-11-27 17:08   ` Matthew Wilcox
2023-11-27 14:30 ` [PATCH 02/17] nilfs2: eliminate staggered calls to kunmap in nilfs_rename Ryusuke Konishi
2023-11-27 17:08   ` Matthew Wilcox
2023-11-27 14:30 ` [PATCH 03/17] nilfs2: Remove page_address() from nilfs_set_link Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 04/17] nilfs2: Remove page_address() from nilfs_add_link Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 05/17] nilfs2: Remove page_address() from nilfs_delete_entry Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 06/17] nilfs2: Return the mapped address from nilfs_get_page() Ryusuke Konishi
2023-11-27 14:30 ` Ryusuke Konishi [this message]
2023-11-27 14:30 ` [PATCH 08/17] nilfs2: Switch to kmap_local for directory handling Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 09/17] nilfs2: Add nilfs_get_folio() Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 10/17] nilfs2: Convert nilfs_readdir to use a folio Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 11/17] nilfs2: Convert nilfs_find_entry " Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 12/17] nilfs2: Convert nilfs_rename() to use folios Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 13/17] nilfs2: Convert nilfs_add_link() to use a folio Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 14/17] nilfs2: Convert nilfs_empty_dir() " Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 15/17] nilfs2: Convert nilfs_make_empty() " Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 16/17] nilfs2: Convert nilfs_prepare_chunk() and nilfs_commit_chunk() to folios Ryusuke Konishi
2023-11-27 14:30 ` [PATCH 17/17] nilfs2: Convert nilfs_page_bug() to nilfs_folio_bug() Ryusuke Konishi

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