Re: SMP VFS Part 2

From: Peter Holm <peter_at_holm.cc>
Date: Wed, 1 Dec 2004 20:52:28 +0100
On Wed, Dec 01, 2004 at 05:54:49AM -0500, Jeff Roberson wrote:
> I have updated the patch at:
> 
> http://www.chesapeake.net/~jroberson/smpffs.diff
> 

I got a page fault in kern/vfs_vnops.c:542 due to vp->v_mount == NULL.

More info at http://www.holm.cc/stress/log/jeff03.html

- Peter

> It includes bug fixes for a handful of problems that were reported, and a
> few more that I found myself.  It also unwinds giant from open(), which is
> a very high risk area, but after a few days of working out bugs it seems
> to be functioning quite well for me.
> 
> I did a make -j3 buildworld on a box with a lowered maxvnodes.  I also let
> 'stress' run for 8 loops or so until I ran into an unrelated KSE bug.  I
> did some mount/unmount/single user tests as well.
> 
> Use at your own risk.  I still haven't locked quotas, so if you're using
> quota, don't run with this patch.
> 
> Thanks,
> Jeff
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-- 
Peter Holm
Received on Wed Dec 01 2004 - 18:52:32 UTC

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