Date: Fri, 3 Oct 2008 17:11:07 -0400 From: Jeff Wheelhouse <freebsd-hackers@wheelhouse.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: Major SMP problems with lstat/namei Message-ID: <85727D2B-5ABD-4A23-B1B4-80B00407D0FC@wheelhouse.org> In-Reply-To: <200810011717.35873.jhb@freebsd.org> References: <8185F68B-C443-4891-BEC2-5E3D453DDC93@wheelhouse.org> <200809241212.09920.jhb@freebsd.org> <C70E3C36-3558-4951-A6F7-A072BCEE374F@wheelhouse.org> <200810011717.35873.jhb@freebsd.org>
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On Oct 1, 2008, at 5:17 PM, John Baldwin wrote: > It sounds like you missed some of the dirhash changes somehow, as > dirhash no > longer has any lockmgr stuff in it (and only ever did in HEAD). I've > generated a patch though using svn. You can grab it from > http://www.FreeBSD.org/~jhb/patches/ufs_lookup7.patch Note that you > will > have to set vfs.lookup_shared=1 to enable shared locks (either > loader tunable > or sysctl). We lost our test server due to production needs, but should have it back tomorrow. In the mean time, I've downloaded the patch; it applied cleanly and I'm building the resulting kernel now. I'll report back once we get the chance to test it. Thanks, Jeff
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