From: Bruce Fields <bfields@fieldses.org>
To: Tom Talpey <tom@talpey.com>
Cc: Olga Kornievskaia <aglo@umich.edu>,
Chuck Lever <chuck.lever@oracle.com>,
Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
Olga Kornievskaia <kolga@netapp.com>
Subject: Re: [PATCH] nfsd: don't abort copies early
Date: Thu, 25 Feb 2021 14:21:25 -0500 [thread overview]
Message-ID: <20210225192125.GF17634@fieldses.org> (raw)
In-Reply-To: <83f6cd8f-5a29-3dee-4359-6be01ab6d894@talpey.com>
On Thu, Feb 25, 2021 at 01:39:34PM -0500, Tom Talpey wrote:
> On 2/25/2021 10:57 AM, Bruce Fields wrote:
> >Yes, that was part of some Y2038 project on Arnd Bergman's part:
> >
> > 20b7d86f29d3 nfsd: use boottime for lease expiry calculation
> >
> >I think 64-bit time_t is good for something like a hundred billion
> >years, so wraparound isn't an issue.
>
> Well, the universe is somewhere below 14B so that's good, but is this
> time guaranteed to be monotonic? If someone sets the system time, many
> clocks can go backward...
Yeah, Arnd makes a note about this in the above commit.
--b.
prev parent reply other threads:[~2021-02-25 19:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-24 18:39 [PATCH] nfsd: don't abort copies early J. Bruce Fields
2021-02-24 18:47 ` Chuck Lever
2021-02-24 19:31 ` J. Bruce Fields
2021-02-24 19:34 ` Chuck Lever
2021-02-24 22:33 ` Bruce Fields
2021-02-25 15:28 ` Chuck Lever
2021-02-25 15:33 ` Olga Kornievskaia
2021-02-25 15:57 ` Bruce Fields
2021-02-25 18:39 ` Tom Talpey
2021-02-25 19:21 ` Bruce Fields [this message]
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