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Re: "Invalid block length" warning with small blocksize

To: Pavol Gono <Pavol.Gono@xxxxxxxxxxx>
Subject: Re: "Invalid block length" warning with small blocksize
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Sat, 2 Apr 2011 09:19:21 +1100
Cc: xfs@xxxxxxxxxxx
In-reply-to: <4D95A563.3050804@xxxxxxxxxxx>
References: <4D95A563.3050804@xxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
On Fri, Apr 01, 2011 at 12:13:55PM +0200, Pavol Gono wrote:
> Hi
> I am getting this warning in kernel log:
> XFS: Invalid block length (0x2000) given for buffer
> during mount, and I don't know if this can be safely ignored or not.

Yes, it can be ignored - it's just a warning that the code fell back
to using a smaller-than-optimal block size for reading the log
during recovery. I see it quite often when running xfstests on 512
byte block sіze filesystems.


Dave Chinner

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