Re: 2.4.18 no timestamp update on modified mmapped files

[Alan Cox]

> On Tue, 11 Jun 2002, Andrew Morton wrote:
> > 
> > I think it's too late to fix this in 2.4.  If we did, a person
> > could develop and test an application on 2.4.21, ship it, then
> > find that it fails on millions of 2.4.17 machines.
> 
> Oh, please reconsider that!  Doesn't loss of modification time
> approach data loss?  Surely we'll continue to fix any data loss
> issues in 2.4, and be grateful if you fixed this mmap modtime loss.

It doesnt approach data loss, when doing incremental backups it
*is* data loss. Ditto with rsync --newer