Bug#276500: kernel-image-2.6.8-1-k7: system call need nanosecond resolution

[Horms <horms@debian.org>]

On Wed, Oct 13, 2004 at 11:48:12AM +0800, Dan Jacobson wrote:
> Package: kernel-image-2.6.8-1-k7
> Version: 2.6.8-3
> Severity: normal
> 
> $ touch -r a b
> $ stat -c %y a b
> 2004-10-13 11:36:18.169474381 +0800
> 2004-10-13 11:36:18.169474000 +0800
> the difference messes up test -nt, make, cp -u, etc. etc.
> 
> From: Paul Eggert <eggert@CS.UCLA.EDU>
> Subject: Re: cp -up forever
> Cc: 239288@bugs.debian.org, bug-coreutils@gnu.org
> 
> "touch" operates by means of system calls.  If the system calls
> mishandle submicrosecond time stamps, "touch" will as well.  So you'll
> have to direct your bug reports to the kernel people who have
> misdesigned their system calls.
> 
> The basic problem is that utimes() has only microsecond resolution;
> the kernel need to add a system call ("utimens()", say?) that supports
> nanosecond resolution.

Interesting.

Could you please describe what fs you are using and how you created a.

-- 
Horms