From: David Howells <dhowells@redhat.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
Date: Thu, 30 Mar 2017 21:13:47 +0100 [thread overview]
Message-ID: <23902.1490904827@warthog.procyon.org.uk> (raw)
In-Reply-To: <CA+55aFzUUU--ftUB_AE+fXsvwMdUKrGLrbiyVd97x_23eCx+DA@mail.gmail.com>
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
next prev parent reply other threads:[~2017-03-30 20:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-30 17:30 Apparent backward time travel in timestamps on file creation David Howells
2017-03-30 18:07 ` Linus Torvalds
2017-03-30 19:35 ` David Howells
2017-03-30 19:52 ` Linus Torvalds
2017-03-30 20:04 ` Linus Torvalds
2017-03-30 20:13 ` David Howells [this message]
2017-03-30 20:16 ` David Lang
2017-03-30 21:13 ` Linus Torvalds
2017-03-30 22:22 ` David Howells
2017-03-31 12:35 ` Bob Peterson
2017-03-30 20:03 ` John Stultz
2017-03-30 20:06 ` Linus Torvalds
2017-03-30 18:49 ` John Stultz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=23902.1490904827@warthog.procyon.org.uk \
--to=dhowells@redhat.com \
--cc=john.stultz@linaro.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox