svn commit: r186710 - user/kmacy/HEAD_fast_net/sys/kern

[Kip Macy]

404

On Thu, Jan 15, 2009 at 7:03 AM, John Baldwin <jhb at freebsd.org> wrote:
> On Friday 02 January 2009 9:00:10 pm Kip Macy wrote:
>> Author: kmacy
>> Date: Sat Jan  3 02:00:10 2009
>> New Revision: 186710
>> URL: http://svn.freebsd.org/changeset/base/186710
>>
>> Log:
>>   convert name cache lock to rwlock for lookups
>
> I think you need to restart the lookup if you fail an upgrade.  I've had a
> patch to do that for years (literally) but it didn't help performance in
> earlier tests by kris at .  You can find one that does the restarts at
> www.freebsd.org/~jhb/namei_rwlock.patch.
>
> --
> John Baldwin
>