linux-ext4 - [PATCH 17/54] e2fsck: Don't verify bitmap checksums

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Message-ID: <20120306235911.11945.59048.stgit@elm3b70.beaverton.ibm.com>
Date:	Tue, 06 Mar 2012 15:59:11 -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 17/54] e2fsck: Don't verify bitmap checksums

Since the correct inode and block bitmaps are calculated in pass 5, don't fail
the bitmap read operation in prior passes since (a) incorrect results won't
kill us and (b) if we fail early, we'll never _get_ to pass 5.

Signed-off-by: Darrick J. Wong <djwong@...ibm.com>
---
 e2fsck/util.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)


diff --git a/e2fsck/util.c b/e2fsck/util.c
index 6e3a1dc..af483fa 100644
--- a/e2fsck/util.c
+++ b/e2fsck/util.c
@@ -249,7 +249,9 @@ void e2fsck_read_bitmaps(e2fsck_t ctx)
 	old_op = ehandler_operation(_("reading inode and block bitmaps"));
 	e2fsck_set_bitmap_type(fs, EXT2FS_BMAP64_RBTREE, "fs_bitmaps",
 			       &save_type);
+	ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
 	retval = ext2fs_read_bitmaps(fs);
+	ctx->fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
 	fs->default_bitmap_type = save_type;
 	ehandler_operation(old_op);
 	if (retval) {

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