linux-kernel - Re: utimensat fails to update ctime

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 21 Dec 2009 21:37:24 -0700
From:	Eric Blake <ebb9@....net>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	xfs@....sgi.com, Christoph Hellwig <hch@....de>
Subject: Re: utimensat fails to update ctime

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@....net
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/