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Re: Vnode API change: add global vnode cache
On 28 Apr 2014, at 17:29, Ilia Zykov <netbsd%izyk.ru@localhost> wrote:
>> First, one of the goals here is to have one table for all vnodes.
> Allow me to disagree, what is advantage has only one table?
> I see only disadvantage.
> For instance:
> You mount more than one FSes, and one have hardware problem, bad sector ...
> Do You have also problems with other or only with one?
Other file systems are unaffected, if a fs node fails to load the
partially initialised vnode gets destroyed and we're done. Loading
a node may only block other threads trying to load the same node.
Having per-mount tables would not change anything here.
J. Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig
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