Re: [PATCH] umount: do not sync() if nothing was unmounted

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On Fri, May 21, 2010 at 01:55:17PM +0200, Petr Uzel wrote:
> Hi all,
> 
> SUSE-based distributions have the following patch for some time. More
> info here: https://bugzilla.novell.com/show_bug.cgi?id=447036
> 
> From the Novell bugzilla:
> <quote>
> > I cannot see any justification for that sync call at all so I'd
> > probably just remove it.  Your
> > patch is possibly safer so maybe it should be used as is.
> </quote>
> 
> So, does anybody know why/if the sync() is actually needed?

It's not needed.  The kernel performs a sync by itself.

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