From: Dave Chinner <david@fromorbit.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 2/3] xfs: truncate delalloc extents when IO fails in writeback
Date: Wed, 10 Mar 2010 23:52:19 +1100 [thread overview]
Message-ID: <20100310125219.GA16344@discord.disaster> (raw)
In-Reply-To: <20100310091237.GA25227@infradead.org>
On Wed, Mar 10, 2010 at 04:12:37AM -0500, Christoph Hellwig wrote:
> Btw, I can trigger the new warnings from this patch in xfsqa after
> a few full XFSQA runs:
>
> [39829.737139] Filesystem "vdb6": page discard on page c21d7480, inode
> 0x3f8, offset 0.
> [39829.739488] Filesystem "vdb6": page discard failed delalloc mapping
> lookup.
> [39829.744005] Filesystem "vdb6": page discard on page c206ba80, inode
> 0x3f9, offset 0.
> [39829.746496] Filesystem "vdb6": page discard failed delalloc mapping
> lookup.
> [39829.748655] Filesystem "vdb6": page discard on page c20e02a0, inode
> 0x3fa, offset 0.
> [39829.751000] Filesystem "vdb6": page discard failed delalloc mapping
> lookup.
The "page discard on page ...." are expected, but the failed mapping
warnings are not - that means xfs_bmapi() returned an error while
the inode still has delayed allocation buffers in memory. Did this
happen during a forced shutdown? What test is running when this
occurs?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2010-03-10 12:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-04 1:46 [PATCH 0/3] xfs: delayed allocation @ ENOSPC fixes Dave Chinner
2010-03-04 1:46 ` [PATCH 1/3] xfs: check for more work before sleeping in xfssyncd Dave Chinner
2010-03-04 13:50 ` Christoph Hellwig
2010-03-04 22:56 ` Dave Chinner
2010-03-04 1:46 ` [PATCH 2/3] xfs: truncate delalloc extents when IO fails in writeback Dave Chinner
2010-03-04 14:28 ` Christoph Hellwig
2010-03-04 22:03 ` Dave Chinner
2010-03-05 2:00 ` [PATCH v2] " Dave Chinner
2010-03-05 9:21 ` Christoph Hellwig
2010-03-10 9:12 ` [PATCH 2/3] " Christoph Hellwig
2010-03-10 12:52 ` Dave Chinner [this message]
2010-03-10 18:18 ` Christoph Hellwig
2010-03-04 1:46 ` [PATCH 3/3] xfs: Increase the default size of the reserved blocks pool Dave Chinner
2010-03-05 15:45 ` Alex Elder
2010-03-05 23:26 ` Dave Chinner
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