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Message-ID: <20111129003159.17953.46884.stgit@elm3c44.beaverton.ibm.com>
Date: Mon, 28 Nov 2011 16:31:59 -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 35/50] tune2fs: Store checksum algorithm type in superblock
Actually records the checksum algorithm type in the superblock when enabling
checksumming.
Signed-off-by: Darrick J. Wong <djwong@...ibm.com>
---
misc/tune2fs.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 4b91192..7299ad6 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -699,6 +699,12 @@ static void rewrite_metadata_checksums(ext2_filsys fs)
ext2fs_mark_bb_dirty(fs);
fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+ fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
+ else
+ fs->super->s_checksum_type = 0;
+ ext2fs_mark_super_dirty(fs);
}
/*
--
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