linux-ext4 - [PATCH 14/50] dumpe2fs: Display block bitmap checksum

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Date:	Mon, 28 Nov 2011 16:29:27 -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 14/50] dumpe2fs: Display block bitmap checksum

Display the block bitmap checksum when displaying block groups.

Signed-off-by: Darrick J. Wong <djwong@...ibm.com>
---
 misc/dumpe2fs.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)


diff --git a/misc/dumpe2fs.c b/misc/dumpe2fs.c
index 98bee2b..33c0933 100644
--- a/misc/dumpe2fs.c
+++ b/misc/dumpe2fs.c
@@ -222,6 +222,11 @@ static void list_desc (ext2_filsys fs)
 		print_number(ext2fs_block_bitmap_loc(fs, i));
 		print_bg_rel_offset(fs, ext2fs_block_bitmap_loc(fs, i), 0,
 				    first_block, last_block);
+		if (fs->super->s_desc_size >= EXT2_MIN_DESC_SIZE_64BIT &&
+		    fs->super->s_feature_ro_compat &
+		    EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
+			printf(_(", csum 0x%08x"),
+			       ext2fs_block_bitmap_checksum(fs, i));
 		fputs(_(", Inode bitmap at "), stdout);
 		print_number(ext2fs_inode_bitmap_loc(fs, i));
 		print_bg_rel_offset(fs, ext2fs_inode_bitmap_loc(fs, i), 0,

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