How to compile ZFS only ?

[Steven Hartland]

cd /usr/src
make buildenv
cd sys/modules/zfs/
make
make install

On 22/03/2017 20:57, Ben RUBSON wrote:
> Hi,
>
> I'm trying to rebuild ZFS (with some patches) without having to rebuild whole kernel.
>
> What I then try :
> # cd /usr/src/sys/modules/zfs/
> # make
> # cp zfs.ko /boot/kernel/ #to replace current zfs module
>
> But then server does not reboot properly (/ is on ZFS).
>
> If I do :
> # cd /usr/src/
> # make buildkernel KERNCONF=GENERIC
> # cp /usr/obj/usr/src/sys/GENERIC/modules/usr/src/sys/modules/zfs/zfs.ko /boot/kernel/
>
> Then server correctly reboot.
>
> I clearly see that zfs.ko in method 1 is slightly smaller that in method 2.
>
> Am I missing something ? (of course yes, but what ? :)
>
> Many thanks !
>
> Best regards,
>
> Ben
>
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