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From: Joel Becker <jlbec@evilplan.org>
To: Mingming Cao <cmm@us.ibm.com>
Cc: djwong@us.ibm.com, "Theodore Ts'o" <tytso@mit.edu>,
Andreas Dilger <adilger.kernel@dilger.ca>,
linux-ext4 <linux-ext4@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/2] Add inode checksum support to ext4
Date: Fri, 8 Apr 2011 13:17:04 -0700 [thread overview]
Message-ID: <20110408201703.GC17677@noexit> (raw)
In-Reply-To: <1302290868.4461.7.camel@mingming-laptop>
On Fri, Apr 08, 2011 at 12:27:48PM -0700, Mingming Cao wrote:
> We had some discussion about this week at SF (at the ext4 bof at the
> linux colloboration summit). Beyond checksumming the inode itself, it
> would be more useful to checksum the extent indexing blocks, as the ext3
> corruption actually happen at the indirect block.
You want to checksum all metadata. ocfs2 takes advantage of
this because we can just EIO any bad metadata and continue to serve the
rest of the filesystem.
Joel
--
"Time is an illusion, lunchtime doubly so."
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http://www.jlbec.org/
jlbec@evilplan.org
next prev parent reply other threads:[~2011-04-08 20:17 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-06 22:44 Darrick J. Wong
2011-04-06 22:45 ` [PATCH 1/2] ext4: Calculate and verify inode checksums Darrick J. Wong
2011-04-07 0:52 ` Sunil Mushran
2011-04-07 16:40 ` Darrick J. Wong
2011-04-07 17:10 ` Sunil Mushran
2011-04-08 18:50 ` Joel Becker
2011-04-08 19:30 ` Darrick J. Wong
2011-04-08 8:58 ` Andreas Dilger
2011-04-08 19:12 ` Darrick J. Wong
2011-04-08 22:49 ` Andreas Dilger
2011-04-06 22:47 ` [PATCH 2/2] e2fsprogs: Add support for toggling, verifying, and fixing " Darrick J. Wong
2011-04-08 9:14 ` Andreas Dilger
2011-04-08 19:25 ` Darrick J. Wong
2011-04-08 23:13 ` Andreas Dilger
2011-04-12 2:05 ` Darrick J. Wong
2011-04-08 19:27 ` [PATCH 0/2] Add inode checksum support to ext4 Mingming Cao
2011-04-08 20:17 ` Joel Becker [this message]
2011-07-27 8:27 ` Darrick J. Wong
2011-07-27 9:16 ` Andreas Dilger
2011-07-28 16:56 ` Darrick J. Wong
[not found] ` <CAOQ4uxiOpwX2-Nfh9wJ7wSmAnbj9bh1+d9C95-N5D-8saRr6ww@mail.gmail.com>
2011-07-28 18:57 ` Darrick J. Wong
2011-07-29 9:55 ` Andreas Dilger
2011-07-28 22:07 ` Joel Becker
2011-07-29 9:48 ` Andreas Dilger
2011-07-29 13:19 ` Joel Becker
2011-07-30 7:25 ` Coly Li
2011-07-31 7:08 ` Joel Becker
2011-07-31 23:52 ` Coly Li
2011-08-01 4:57 ` Joel Becker
2011-08-01 5:04 ` Joel Becker
2011-08-01 7:16 ` Coly Li
2011-04-20 17:40 ` Andi Kleen
2011-04-20 22:54 ` Darrick J. Wong
2011-04-21 0:25 ` Andreas Dilger
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