[linux-lvm] LVM and -ac kernels?

[AJ Lewis]

On Sun, Sep 09, 2001 at 10:46:06AM -0400, Benjamin Reed wrote:
> I've tried applying 1.0.1-rc2 to 2.4.9-ac9 and it appears
> that something's not matching up; I was wondering if anyone
> has had any luck with the 2.4.9 ac kernels?
> 
> I get a reject in the Makefile for something that Alan's
> already added to his tree, and when I build, I get:
> 
> ---(snip!)---
> make[3]: Entering directory `/usr/src/linux-2.4.9-ac9-eb1/drivers/md'
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.9-ac9-eb1/include -Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 -march=i686    -c -o lvm.o lvm.c
> lvm.c: In function `__extend_reduce':
> lvm.c:2329: warning: implicit declaration of function `min'

Yep, this is caused by the great MIN/MAX macro change in the 2.4.9 stock
kernel.   Alan didn't think it was a good idea, so his AC series kernels
still use the old style MIN/MAX macros.  Unfortunately, the way the patches
are currently generated, any kernel above 2.4.9 is assumed to have the new
format.

> Feel free to tell me "don't bother with -ac kernels and LVM", all
> I *truly* care about from the -ac tree is ext3, but it would be nice
> if it's a simple fix.

I'm not sure what the best way to fix this is.  You possibly could go in and
manually change the kernel version in the PATCHES/Makefile file to be
2.4.8-ac9; this shouldn't change anything but which versions of the patches
are put into the patch and the patch name, but it may not work.  I would try
this first...if that doesn't work, we'll have to start looking at
alternatives.

Regards,
-- 
AJ Lewis
Sistina Software Inc.                  Voice:  612-638-0500
1313 5th St SE, Suite 111              Fax:    612-638-0500
Minneapolis, MN 55414                  E-Mail: lewis at sistina.com
http://www.sistina.com

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