Re: [PATCH] adding per sb inode list to make invalidate_inodes() faster

[Denis Vlasenko]

> >> The only motive I'm aware of is for latency in the presence of things
> >> such as autofs. It's also worth noting that in the presence of things
> >> such as removable media umount is also much more common. I personally
> >> find this sufficiently compelling. Kirill may have additional
> >> ammunition.
> >
> > Well.  That's why I'm keeping the patch alive-but-unmerged.  Waiting to
> > see who wants it.
> >
> > There are people who have large machines which are automounting hundreds
> > of different NFS servers.  I'd certainly expect such a machine to
> > experience ongoing umount glitches.  But no reports have yet been sighted
> > by this little black duck.
>
> I think It's not always evident where the problem is. For many people
> waiting 2 seconds is ok and they pay no much attention to this small
> little hangs.
>
> 1. I saw the bug in bugzilla from NFS people you pointed to me last time
> yourself where the same problem was detected.

What bug? Are you talking about umount being not so fast or something else?
--
vda

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