From: Theodore Tso <tytso@mit.edu>
To: Andreas Dilger <adilger@sun.com>
Cc: Kevin Shanahan <kmshanah@ucwb.org.au>,
Eric Sandeen <sandeen@redhat.com>,
linux-ext4@vger.kernel.org
Subject: Re: Possible ext4 corruption - ACL related?
Date: Tue, 10 Mar 2009 20:47:10 -0400 [thread overview]
Message-ID: <20090311004709.GC15229@mit.edu> (raw)
In-Reply-To: <20090311003845.GB3199@webber.adilger.int>
On Tue, Mar 10, 2009 at 06:38:45PM -0600, Andreas Dilger wrote:
> > Actually, it's a bit more complicated than that. I should really add
> > a hook to debugfs to automate this, but... to find the block to grab,
> > you do this.
>
> [many complex steps deleted]
>
> > So now we know that the block containing inode 867 is 65+54 = 119
>
> Or you can use imap (which Ted probably wrote in the first place. :-)
>
> debugfs: imap some/problem/file
> Inode 867 is part of block group 0
> located at block 119, offset 0x0180
<Blush>
OK, now I'm embarassed. I had completely forgotten that I had already
implemented it.
And to think I've been doing the hard way most of the time (i.e.,
using dc and doing the calculations manually :-)
- Ted
next prev parent reply other threads:[~2009-03-11 0:47 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-09 23:43 Possible ext4 corruption - ACL related? Kevin Shanahan
[not found] ` <49B5D71D.1030802@redhat.com>
[not found] ` <1236655451.30280.29.camel@kulgan.wumi.org.au>
2009-03-10 4:35 ` Eric Sandeen
2009-03-10 5:02 ` Kevin Shanahan
2009-03-10 7:09 ` Andreas Dilger
2009-03-10 14:46 ` Theodore Tso
2009-03-10 21:14 ` Kevin Shanahan
2009-03-10 22:48 ` Theodore Tso
2009-03-11 0:38 ` Andreas Dilger
2009-03-11 0:47 ` Theodore Tso [this message]
2009-03-11 1:43 ` Kevin Shanahan
2009-03-11 1:48 ` Kevin Shanahan
2009-03-11 4:50 ` Theodore Tso
2009-03-11 5:27 ` Kevin Shanahan
2009-03-11 6:18 ` Andreas Dilger
2009-03-11 13:25 ` Theodore Tso
2009-03-11 18:07 ` Kevin Shanahan
2009-03-13 0:55 ` Theodore Tso
2009-03-13 14:28 ` Kevin Shanahan
2009-03-11 11:37 ` Manish Katiyar
2009-03-10 12:15 ` Kevin Shanahan
2009-03-10 20:44 ` Andreas Dilger
2009-03-10 20:59 ` Kevin Shanahan
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