lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Mon, 22 Jan 2024 23:01:50 +0900
From: Ryusuke Konishi <konishi.ryusuke@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-nilfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 03/15] nilfs2: convert nilfs_copy_buffer() to use kmap_local

The routine nilfs_copy_buffer() that copies a block buffer still uses
the deprecated kmap_atomic(), so convert it to use kmap_local.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
 fs/nilfs2/page.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 5c2eba1987bd..14e470fb8870 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -103,11 +103,11 @@ void nilfs_copy_buffer(struct buffer_head *dbh, struct buffer_head *sbh)
 	struct page *spage = sbh->b_page, *dpage = dbh->b_page;
 	struct buffer_head *bh;
 
-	kaddr0 = kmap_atomic(spage);
-	kaddr1 = kmap_atomic(dpage);
+	kaddr0 = kmap_local_page(spage);
+	kaddr1 = kmap_local_page(dpage);
 	memcpy(kaddr1 + bh_offset(dbh), kaddr0 + bh_offset(sbh), sbh->b_size);
-	kunmap_atomic(kaddr1);
-	kunmap_atomic(kaddr0);
+	kunmap_local(kaddr1);
+	kunmap_local(kaddr0);
 
 	dbh->b_state = sbh->b_state & NILFS_BUFFER_INHERENT_BITS;
 	dbh->b_blocknr = sbh->b_blocknr;
-- 
2.34.1


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ