From 544058f26159112f69d421a449dc559dce688c2f Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <djwong@us.ibm.com>
Date: Mon, 30 Jul 2012 19:12:04 -0400
Subject: [PATCH] tune2fs: rewrite block bitmap checksums

When toggling metadata_csum, mark the block bitmap dirty so that it
gets written with new checksums.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 misc/tune2fs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 2bd707b7..826d9cc3 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -429,6 +429,7 @@ static void rewrite_metadata_checksums(ext2_filsys fs)
 	rewrite_inodes(fs);
 	ext2fs_read_bitmaps(fs);
 	ext2fs_mark_ib_dirty(fs);
+	ext2fs_mark_bb_dirty(fs);
 	fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
 	fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
 }