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From: David Howells <dhowells@redhat.com>
In-Reply-To: <CA+55aFzUUU--ftUB_AE+fXsvwMdUKrGLrbiyVd97x_23eCx+DA@mail.gmail.com>
References: <CA+55aFzUUU--ftUB_AE+fXsvwMdUKrGLrbiyVd97x_23eCx+DA@mail.gmail.com> <22214.1490895007@warthog.procyon.org.uk> <CA+55aFzcMjJsrtwGDb3NOWC=Ubrv=BuDx3nU-eMBJiRM1hRafA@mail.gmail.com> <23410.1490902528@warthog.procyon.org.uk> <CA+55aFzW0P1ONajfgfmH93WgbPAirxurVHB1AaRxoGXEMK6LgQ@mail.gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: dhowells@redhat.com, Thomas Gleixner <tglx@linutronix.de>,
        John Stultz <john.stultz@linaro.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: Apparent backward time travel in timestamps on file creation
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Date: Thu, 30 Mar 2017 21:13:47 +0100
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Linus Torvalds <torvalds@linux-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