linux-ext4 - [PATCH 43/54] tune2fs: Force MMP update when changing metadata

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:	Tue, 06 Mar 2012 16:02:28 -0800
From:	"Darrick J. Wong" <djwong@...ibm.com>
To:	Andreas Dilger <adilger.kernel@...ger.ca>,
	Theodore Tso <tytso@....edu>,
	"Darrick J. Wong" <djwong@...ibm.com>
Cc:	Sunil Mushran <sunil.mushran@...cle.com>,
	Amir Goldstein <amir73il@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Mingming Cao <cmm@...ibm.com>,
	Joel Becker <jlbec@...lplan.org>, linux-ext4@...r.kernel.org,
	Coly Li <colyli@...il.com>
Subject: [PATCH 43/54] tune2fs: Force MMP update when changing metadata_csum
 flag

When changing the metadata_csum flag, always force out a new MMP block.

Signed-off-by: Darrick J. Wong <djwong@...ibm.com>
---
 misc/tune2fs.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)


diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 79b49d9..bec2b6c 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -703,6 +703,7 @@ static void rewrite_metadata_checksums(ext2_filsys fs)
 	ext2fs_read_bitmaps(fs);
 	ext2fs_mark_ib_dirty(fs);
 	ext2fs_mark_bb_dirty(fs);
+	ext2fs_mmp_update2(fs, 1);
 	fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
 	fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
 	if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html