Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934926AbdC3UGQ (ORCPT ); Thu, 30 Mar 2017 16:06:16 -0400 Received: from mail-io0-f178.google.com ([209.85.223.178]:33209 "EHLO mail-io0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933493AbdC3UGN (ORCPT ); Thu, 30 Mar 2017 16:06:13 -0400 MIME-Version: 1.0 In-Reply-To: References: <22214.1490895007@warthog.procyon.org.uk> <23410.1490902528@warthog.procyon.org.uk> From: Linus Torvalds Date: Thu, 30 Mar 2017 13:06:11 -0700 X-Google-Sender-Auth: 5WY3XgFlhJ4XdmdER4BnisW_ZtQ Message-ID: Subject: Re: Apparent backward time travel in timestamps on file creation To: John Stultz Cc: David Howells , Thomas Gleixner , Linux Kernel Mailing List , linux-fsdevel Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 414 Lines: 12 On Thu, Mar 30, 2017 at 1:03 PM, John Stultz wrote: > > Again, I'd utilize clock_gettime(CLOCK_REALTIME_COARSE, ...) for this > instead of playing with fudge factors. See my note on network filesystems. It won't help. fudgefactors would at least work. Allow people to set them large for filesystems with low granularity, or networks with bad time synchronization. Linus