linux-kernel - Re: Apparent backward time travel in timestamps on file creation

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Message-ID: <23902.1490904827@warthog.procyon.org.uk>
Date:   Thu, 30 Mar 2017 21:13:47 +0100
From:   David Howells <dhowells@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     dhowells@...hat.com, Thomas Gleixner <tglx@...utronix.de>,
        John Stultz <john.stultz@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: Apparent backward time travel in timestamps on file creation

Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> The error bar can be huge, for the simple reason that the filesystem
> you are testing may not be sharing a clock with the CPU at _all_.
> 
> IOW, think network filesystems.

Can't I just not do the tests when the filesystem is a network fs?  I don't
think it should be a problem for disk filesystems on network-attached storage.

David