public inbox for linux-xfs@vger.kernel.org
 help / color / mirror / Atom feed
From: Eric Sandeen <sandeen@sandeen.net>
To: Christoph Hellwig <hch@infradead.org>, Eric Sandeen <sandeen@redhat.com>
Cc: xfs-oss <xfs@oss.sgi.com>
Subject: Re: [PATCH] xfs_repair: fix sibling pointer tests in verify_dir2_path()
Date: Thu, 20 Feb 2014 13:12:46 -0600	[thread overview]
Message-ID: <530653AE.9070705@sandeen.net> (raw)
In-Reply-To: <20140220154122.GC26146@infradead.org>

On 2/20/14, 9:41 AM, Christoph Hellwig wrote:
> On Wed, Feb 19, 2014 at 03:10:13PM -0600, Eric Sandeen wrote:
>> RH QE reported that if we create a 1G filesystem with default
>> options, mount it, and create inodes until full, then run
>> repair, repair reports corruption in verify_dir2_path() with:
>>
>>> bad back pointer in block 8390324 for directory inode 131
> 
> Can you please wire this up for xfstests?

was working on it, but am hitting something weird, we never
hit ENOSPC when we hit maxicount; we keep creating inodes
but stop incrementing sb counters.  Urk.   (something in lazy
sb code...)

-Eric

>>
>> The commit 88b32f0 xfs: add CRCs to dir2/da node blocks
>> had a small error which regressed this; although we switch
>> to the "newnode," to check sibling pointers, we re-populate
>> the node hdr with the old "node" data.  This causes the
>> backpointer test to be testing the wrong node's values.
>>
>> Fixing this bug fixes the testcase.
>>
>> Signed-off-by: Eric Sandeen <sandeen@redhat.com>
> 
> Looks good,
> 
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> 
> _______________________________________________
> xfs mailing list
> xfs@oss.sgi.com
> http://oss.sgi.com/mailman/listinfo/xfs
> 

_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs

      reply	other threads:[~2014-02-20 19:12 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-19 21:10 [PATCH] xfs_repair: fix sibling pointer tests in verify_dir2_path() Eric Sandeen
2014-02-20 15:41 ` Christoph Hellwig
2014-02-20 19:12   ` Eric Sandeen [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=530653AE.9070705@sandeen.net \
    --to=sandeen@sandeen.net \
    --cc=hch@infradead.org \
    --cc=sandeen@redhat.com \
    --cc=xfs@oss.sgi.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox