Re: vpf-10680, minor corruptions

[Chris Mason <mason@suse.com>]

On Fri, 2003-06-27 at 12:13, Oleg Drokin wrote:
> Hello!
> 
> On Fri, Jun 27, 2003 at 04:38:00PM +0400, Oleg Drokin wrote:
> 
> > I was looking in the wrong direction, when I produced that patch,
> > so it will produce zero output.
> > I hope to come up with ultimate fix soon enough. ;)
> 
> Well, there is a patch below that does *not* work for me ;)
> But it should work.
> I have traced the new problem to a cross compiler that compiles
> code in a different way than native compiler for whatever reason
> (demo is attached as test.c program, it should print "result is 1"
> in case it is compiled correctly and stuff about unknown
> uniqueness if it is miscompiled. In fact may be this is just correct compiler behaviour.)
> I now think that when I compile a kernel with native compiler, it should work
> with below patch. But I can verify that only tomorrow it seems.
> You might try that patch as well to see if it helps you before I try it ;)
> The patch is "obviously correct" one. (except that it does not work
> with my cross compiler and kernel does work without patch which is really-really strange).
> 

Most of these changes are in 2.4.21, which I've been using on an AMD64
bit box for a while without any problems.  The bug should be somewhere
else, it looks to me like these spots aren't trying to send an unsigned
long to disk.

-chris