From mboxrd@z Thu Jan  1 00:00:00 1970
MIME-Version: 1.0
In-Reply-To: <4f5089ba690c19712cae55f5c4b960d0@ladd.quanstro.net>
References: <4f5089ba690c19712cae55f5c4b960d0@ladd.quanstro.net>
Date: Tue, 20 Oct 2009 08:16:52 -0700
Message-ID: <dd6fe68a0910200816n15ec025at7cacf535fc00d21@mail.gmail.com>
Subject: Re: [9fans] jpg image too big
From: Russ Cox <rsc@swtch.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Topicbox-Message-UUID: 8c73dc9a-ead5-11e9-9d60-3106f5b1d025

> good point. =C2=A0can we just make i/o unit anything we wish?

no, because it affects the size of buffer
that gets allocated to hold 9p messages.
the kernel is free to limit the iounit too.

> in looking at the code, it might be a lot more efficent
> for loadimage to count pixels rather than lines (being
> careful with the slop at the end, of course). =C2=A0the
> slop is Dy(r)-1 pixels, which is considerable for a
> camera shot.
>
> maybe it's not worth the pain?

it's not.  fix iounit.