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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.