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From: Dave Chinner <david@fromorbit.com>
To: Hal Pomeranz <hal@deer-run.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: XFS 2038 rollover?
Date: Tue, 15 May 2018 14:58:42 +1000	[thread overview]
Message-ID: <20180515045842.GH23861@dastard> (raw)
In-Reply-To: <7BDFF86A-062B-4731-97E8-33E920CF7E7D@deer-run.com>

On Tue, May 15, 2018 at 12:33:01AM -0400, Hal Pomeranz wrote:
> I was curious about the roadmap for solving the 32-bit signed
> rollover issue for XFS (aka the “Y2K38” issue). You could
> cheat in a similar fashion to EXT4 and use the upper two bits of
> the nsec values to extend the seconds field to 34 bits. Or will
> the inode core be expanding to allow full 64-bit seconds values?
> Or is there some other plan?
> 
> I’ve checked the FAQ and haven’t been able to find
> anything via Google. 

Something along these lines:

https://lkml.org/lkml/2014/6/1/240

However, the VFS infrastructure I was asking for back in 2014 for
clamping timestamp ranges to the valid on-disk supported filesystem
range hasn't appeared yet, so there's a lot more work than just the
preliminary on-disk extended range support to be done....

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

      reply	other threads:[~2018-05-15  4:58 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-15  4:33 XFS 2038 rollover? Hal Pomeranz
2018-05-15  4:58 ` Dave Chinner [this message]

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