utimensat fails to update ctime

[Eric Blake]

According to OGAWA Hirofumi on 12/21/2009 8:05 AM:
>> It may also be file-system dependent.  On the machine where I saw the
>> original failure:
>>> $ uname -a
>>> Linux fencepost 2.6.26-2-xen-amd64 #1 SMP Thu Nov 5 04:27:12 UTC 2009
>>> x86_64 GNU/Linux
>> $ df -T .
>> Filesystem    Type   1K-blocks      Used Available Use% Mounted on
>> /dev/sdb1      xfs   419299328 269018656 150280672  65% /srv/data
> 
> Thanks.
> 
> This is good point. This would be xfs issue or design. xfs seems to have
> own special handling of ctime.

Here's another report, this time about an mtime update not happening on
ntfs-3g.  http://thread.gmane.org/gmane.comp.gnu.coreutils.bugs/19336

-- 
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9 at byu.net