From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 6/6] xfs: fix reading of wrapped log data
Date: Fri, 2 Nov 2012 09:07:00 -0400 [thread overview]
Message-ID: <20121102130700.GE12578@infradead.org> (raw)
In-Reply-To: <1351816724-3000-7-git-send-email-david@fromorbit.com>
On Fri, Nov 02, 2012 at 11:38:44AM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> Commit 4439647 ("xfs: reset buffer pointers before freeing them") in
> 3.0-rc1 introduced a regression when recovering log buffers that
> wrapped around the end of log. The second part of the log buffer at
> the start of the physical log was being read into the header buffer
> rather than the data buffer, and hence recovery was seeing garbage
> in the data buffer when it got to the region of the log buffer that
> was incorrectly read.
I think you mentioned earlier you found a reproducer for this, any
chance it could be added to xfstests?
> error = xlog_bread_offset(log, 0,
> - bblks - split_bblks, hbp,
> + bblks - split_bblks, dbp,
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
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next prev parent reply other threads:[~2012-11-02 13:05 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-02 0:38 [PATCH 0/6] xfs: fixes for 3.7-rc3 Dave Chinner
2012-11-02 0:38 ` [PATCH 1/6] xfs: silence uninitialised f.file warning Dave Chinner
2012-11-02 13:04 ` Christoph Hellwig
2012-11-02 21:23 ` Mark Tinguely
2012-11-02 0:38 ` [PATCH 2/6] xfs: growfs: don't read garbage for new secondary superblocks Dave Chinner
2012-11-02 0:38 ` [PATCH 3/6] xfs: invalidate allocbt blocks moved to the free list Dave Chinner
2012-10-09 19:11 ` [PATCH] xfs: report projid32bit feature in geometry call Eric Sandeen
2012-10-09 19:28 ` Carlos Maiolino
2012-10-09 19:45 ` Dave Chinner
2012-10-11 0:02 ` Eric Sandeen
2012-10-30 19:43 ` Ben Myers
2012-10-30 19:44 ` Eric Sandeen
2012-11-08 16:12 ` Ben Myers
2012-11-02 21:23 ` [PATCH 3/6] xfs: invalidate allocbt blocks moved to the free list Mark Tinguely
2012-11-02 0:38 ` [PATCH 4/6] xfs: don't vmap inode cluster buffers during free Dave Chinner
2012-11-02 13:05 ` Christoph Hellwig
2012-11-02 21:24 ` Mark Tinguely
2012-11-02 0:38 ` [PATCH 5/6] xfs: fix buffer shudown reference count mismatch Dave Chinner
2012-11-02 2:43 ` Dave Chinner
2012-11-02 3:23 ` [PATCH 5/6 V2] " Dave Chinner
2012-11-02 13:17 ` Mark Tinguely
2012-11-02 13:13 ` [PATCH 5/6] " Christoph Hellwig
2012-11-02 17:10 ` Mark Tinguely
2012-11-02 23:47 ` Dave Chinner
2012-11-06 12:59 ` Christoph Hellwig
2012-11-06 19:59 ` Dave Chinner
2012-11-02 0:38 ` [PATCH 6/6] xfs: fix reading of wrapped log data Dave Chinner
2012-11-02 13:07 ` Christoph Hellwig [this message]
2012-11-02 23:51 ` Dave Chinner
2012-11-02 21:24 ` Mark Tinguely
2012-11-07 20:56 ` [PATCH 0/6] xfs: fixes for 3.7-rc3 Dave Chinner
2012-11-08 16:34 ` Ben Myers
2012-11-08 16:15 ` Ben Myers
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