Date: Wed, 10 Jun 2009 12:02:12 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: Kip Macy <kmacy@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Dmitry Morozovsky <marck@rinet.ru> Subject: Re: svn commit: r193878 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <86ljo0wgnv.fsf@ds4.des.no> In-Reply-To: <3c1674c90906100008i4c632312j32f223b8aca14934@mail.gmail.com> (Kip Macy's message of "Wed, 10 Jun 2009 00:08:43 -0700") References: <200906100121.n5A1LWVO089719@svn.freebsd.org> <alpine.BSF.2.00.0906101013480.49870@woozle.rinet.ru> <3c1674c90906092324n58e16154s6800e61752282e42@mail.gmail.com> <alpine.BSF.2.00.0906101058140.49870@woozle.rinet.ru> <3c1674c90906100008i4c632312j32f223b8aca14934@mail.gmail.com>
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Kip Macy <kmacy@freebsd.org> writes: > Dmitry Morozovsky <marck@rinet.ru> writes: > > Hmm, I failed to see how boolean prevent the usage: > > > > if arch=3D=3Di386 || memsize < 4G > > =C2=A0 =C2=A0 =C2=A0 =C2=A0zfs_prefetch=3D0 > > else > > =C2=A0 =C2=A0 =C2=A0 =C2=A0zfs_prefetch=3D1 > > > > and admin can flip the switch to non-default position. > > > Right, what you're advocating is zfs_prefetch_non_default. Which is > simpler, but still rather weird. No, he's advocating zfs_prefetch_enable which is initialized to either 0 or 1 at boot time and can be administratively set to either 0 and 1 regardless of its initial value. I don't see the problem... DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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