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RE: [linux-lvm] rh kernel patches

I have patched RH 2.4.7 kernel successfully. I understand what you want
to do and must say that it's a *good* thing for 2 reasons:
- having ext3 in the kernel
- having quotas3 in the kernel

To do so, get the redhat sources. Put them in <srcdir> (Ex:
Get the LVM 1.0.1rc2 (not another release) and uncompress them (Ex:
Then, go in .../LVM/1.0.1-rc2 and run ./configure
Then make, make install the tools (Note that kernel is not touch at this
point). They yre mandatory to make your LVM system working.
Then go in <srcdir>, and patch your kernel with a patch made by
configure just for your kernel. It's in
.../LVM/1.0.1rc2/PATCHES/lvm_1.0.1rc2-2.4.7.<snip>.patch. It was created
by configure for the kernel you gave in <srcdir>
Then patch it with:
- cd <srcdir>
- patch -p1 < .../LVM/1.0.1rc2/PATCHES/lvm.<snip>.patch

And you are done. (quite...)
Then make bzImage will compile it, except for a little thing: min/max
functions. RH kernel is made from Alan Cox one. And Linus kernel changed
min/max functions. LVM uses Linus min/max functions while -ac (RedHat)
kernel uses old min/max functions.

During the compilation, you'll get errors with files in drivers/md/.
They are lvm.c, lvm-snap.c and perhaps a third I don't remember. To
correct those, just copy the 2 macros in each fault file:
#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))
At the beginning of the file (before anything else).

And compile with work.

But if you don't need ext3 nor quotas3, then go with a plain Linus
kernel (available at www.kernel.org), you'll have less problems... :-)

Ask for more help

> -----Original Message-----
> From: Pierre Lamb [mailto:plamb_98 yahoo com] 
> Sent: mardi, 4. septembre 2001 19:56
> To: linux-lvm sistina com
> Subject: [linux-lvm] rh kernel patches
> Is there a correct way to patch RH kernels. I have
> tried using the "final path" to update 2.4.7 rh kernel
> but just get errors. Is there a work around for this
> problem.
> Pierre
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