linux-ext4 - Re: Updated patches for journal checksums.

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Date:	Tue, 19 Jun 2007 13:45:28 +0530
From:	Girish Shilamkar <girish@...sterfs.com>
To:	Alex Tomas <alex@...sterfs.com>
Cc:	Ext4 Mailing List <linux-ext4@...r.kernel.org>,
	Theodore Tso <tytso@....edu>,
	Andreas Dilger <adilger@...sterfs.com>
Subject: Re: Updated patches for journal checksums.

On Tue, 2007-06-19 at 12:03 +0400, Alex Tomas wrote:
> say, at mount time we fund transaction logged. this means part of it can be
> on a disk. 
I am not sure I understand this completely. Still I hope the following
answers your question.

> what do we do if transaction in the journal is found with wrong
> checksum? leave partial transaction in-place?
> 
The sanity of the transaction is checked in PASS_SCAN. And if checksum
is found to be incorrect for nth transaction then last transaction which
is written to disk is (n - 1).



Regards,
Girish

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