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Date:   Wed, 6 May 2020 20:19:34 -0500
From:   Eric Sandeen <>
To:     Edwin Török <>,
        "Darrick J. Wong" <>
Subject: Re: PROBLEM: XFS in-memory corruption with reflinks and duperemove:
 XFS (dm-4): Internal error xfs_trans_cancel at line 1048 of file
 fs/xfs/xfs_trans.c. Caller xfs_reflink_remap_extent+0x100/0x560

On 5/6/20 6:20 PM, Edwin Török wrote:
>> (Obviously, a full metadump would be useful for confirming the shape
>> of
>> the refcount btree, but...first things first let's look at the
>> filefrag
>> output.)
> I'll try to gather one, and find a place to store/share it.
> Best regards,
> --Edwin

Metadumps are compact to start with and usually compress pretty well.
Obviously a very large filesystem with lots of metadata will take some
space, but it might not be that bad.


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