GNU bug report logs - #13149
24.3.50; Emacs thinks file was changed outside Emacs, but it was not

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 13149 <at> debbugs.gnu.org
Subject: bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not
Date: Fri, 18 Jan 2013 09:10:19 +0400

On 18.01.2013 9:01, Paul Eggert wrote:
> On 01/17/2013 08:36 PM, Dmitry Gutov wrote:
>> The time stamps were identical in all combinations:
>
> Did vboxsf and/or cifs report time stamps that
> were not on 100-ns boundaries?  That would be a bug.

Nope, only on ext4.

> How about the following program?  What does it output?

vboxsf:

1358485717.265985900 fstat
1358485717.265985900 lstat
1358485717.265985900 stat

1358485717.265985900 fstat
1358485717.265985900 lstat
1358485717.265985900 stat

cifs:

1358485764.638001400 fstat
1358485764.638001400 lstat
1358485764.638001400 stat

1358485764.638001400 fstat
1358485764.638001400 lstat
1358485764.638001400 stat

ext4 (just for completeness):

1358485649.211315918 fstat
1358485649.211315918 lstat
1358485649.211315918 stat

1358485649.223315921 fstat
1358485649.223315921 lstat
1358485649.223315921 stat

Ran it quite a few times, the results were always identical.

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