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Date: Sun, 29 Aug 2010 18:28:00 -0400 (EDT)
From: Benjamin Kaduk <kaduk@MIT.EDU>
To: Kostik Belousov <kostikbel@gmail.com>
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Cc: freebsd-fs@freebsd.org
Subject: Re: memory inconsistencies with OpenAFS on FreeBSD
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On Sat, 28 Aug 2010, Kostik Belousov wrote:

> On Sat, Aug 28, 2010 at 12:28:51AM -0400, Benjamin Kaduk wrote:
>>
>> I also don't seem to be able to run executables from AFS:
>> freebuild# ./my_mmap test4
>> elf_load_section: truncated ELF file
>> Abort
> This sounds very much as missed vnode_pager_setsize() calls.
> VM tracks the file size as vnode vmobject size separately.
> I think this was done for historical reasons, but also it
> allows to not traverse the vop stack calling VOP_GETATTR each
> time when size is needed.

Yes, that looks to have done the trick -- thanks to Matt Benjamin for 
doing the legwork to find all the places it was needed.
With that fix and a small locking patch, my buildworld now finishes.

Thanks!

-Ben