Re: [PATCH v2 2/2] relatime: Allow making relatime the defaultbehaviour

[Ingo Molnar]

* Matthew Wilcox <matthew@xxxxxx> wrote:

> On Sat, Nov 29, 2008 at 12:32:20PM -0800, Andrew Morton wrote:
> > The standard, usual, expected way of modifying a filesystem's behaviour
> > is via mount options.  This is also quite flexible.
> > 
> > Is there some extraordinary reason why the standard interface is not to
> > be used here?
> 
> Because it would have to be managed (and consulted) per ... what? 
> vfsmount?  superblock?  This is featuritis gone MAD.
> 
> I'll take my bikeshed in teal, stippled with cornsilk.

agreed.

Meanwhile, 10 years and counting, the Linux kernel still generates a 
stupid write IO for every file read that apps do. Fortunately hardware 
designers will get rid of rotating disks faster than we can fix our 
glaring process problems in this space - but it's still a bit sad.

	Ingo
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