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Date:      Tue, 17 Nov 2009 16:32:45 +0100
From:      Olivier Smedts <olivier@gid0.org>
To:        Thomas Backman <serenity@exscape.org>
Cc:        current@freebsd.org
Subject:   Re: [PATCH] Build a separate ZFS-enabled loader.zfs
Message-ID:  <367b2c980911170732n2eeac045l572aec6fb869eadc@mail.gmail.com>
In-Reply-To: <F1E19C4E-DB2A-4E3E-A9FB-979058D136F0@exscape.org>
References:  <200911171017.58140.jhb@freebsd.org> <F1E19C4E-DB2A-4E3E-A9FB-979058D136F0@exscape.org>

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2009/11/17 Thomas Backman <serenity@exscape.org>:
> On Nov 17, 2009, at 4:17 PM, John Baldwin wrote:
>
>> This patch is a workaround to enabling ZFS support by default in the boo=
t
>> loader. =A0It enables building a loader.zfs which is a ZFS-enabled loade=
r and
>> changing zfsboot and gptzfsboot to use /boot/loader.zfs instead
>> of /boot/loader. =A0I have only tested that things built ok, I have not
>> boot-tested it as I don't have ZFS setup anywhere. =A0The patch is avail=
able at
>> http://www.FreeBSD.org/~jhb/loader.zfs/. =A0You will also need to copy
>> the 'loader.zfs/Makefile' file from that URL into a new
>> sys/boot/i386/loader.zfs directory after applying the patch.

Great you made it so fast, I'll try it this evening (4PM here).

Why not call it "zfsloader" (vs "loader", like "zfsboot" vs "boot") ?
Sorry if I'm bikeshedding...

> If I may ask (and sorry for my ignorance, but): what problem does this wo=
rkaround solve?

I think the problem is not about having something built by default
(like zfs.ko) but to have it loaded in memory. A separate loader would
solve that.

Cheers,
Olivier

> Isn't the whole problem with ZFS loaders the license, and because of the =
licence, that a ZFS-capable loader isn't built by default?
> In other words: Why not use LOADER_ZFS_SUPPORT as long as you have to cho=
ose between setting an option or using a patch? Neither works out of the bo=
x, so you might as well pick the solution that already exists, no patching =
involved.
> I can only assume I'm missing something vital. :)
>
> (Please note: Makefiles aren't my strongest suite; I tried to figure the =
answer out by reading the patch, but couldn't. I wrote my first own Makefil=
e, ~15 lines, this weekend.)
>
> Regards,
> Thomas_______________________________________________
> freebsd-current@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org=
"
>



--=20
Olivier Smedts                                                 _
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