linux-ext4 - Re: rfc: [patch] change attribute for ext3

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]

Message-Id: <1158242180.5308.24.camel@lade.trondhjem.org>
Date:	Thu, 14 Sep 2006 09:56:20 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Peter Staubach <staubach@...hat.com>
Cc:	Alexandre Ratchov <alexandre.ratchov@...l.net>,
	linux-ext4@...r.kernel.org, nfsv4@...ux-nfs.org
Subject: Re: rfc: [patch] change attribute for ext3

On Thu, 2006-09-14 at 09:46 -0400, Peter Staubach wrote:
> Wouldn't the generation count work better than ctime to differentiate 
> between
> instances of files using the same inode number?  That way, there wouldn't be
> a clock resolution issue.

No. This is about distinguishing updates to the metadata/data of the
same instance. It is exactly what ctime was supposed to do, but ctime
relies on a clock which usually has too poor time resolution, may not be
monotonic, etc...

Cheers,
  Trond

-
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html