From owner-freebsd-scsi@FreeBSD.ORG  Wed Jul 25 22:40:14 2012
Return-Path: <owner-freebsd-scsi@FreeBSD.ORG>
Delivered-To: freebsd-scsi@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 9A92A106566C
	for <freebsd-scsi@freebsd.org>; Wed, 25 Jul 2012 22:40:14 +0000 (UTC)
	(envelope-from imp@bsdimp.com)
Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com
	[209.85.214.182])
	by mx1.freebsd.org (Postfix) with ESMTP id 54B7D8FC14
	for <freebsd-scsi@freebsd.org>; Wed, 25 Jul 2012 22:40:14 +0000 (UTC)
Received: by obbun3 with SMTP id un3so2219238obb.13
	for <freebsd-scsi@freebsd.org>; Wed, 25 Jul 2012 15:40:14 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=google.com; s=20120113;
	h=sender:subject:mime-version:content-type:from:in-reply-to:date:cc
	:content-transfer-encoding:message-id:references:to:x-mailer
	:x-gm-message-state;
	bh=/OhSNf3qOl1/rBiaOGT2DJtTfoLyvlsMZS2FF/XjMgQ=;
	b=aHbiqGn2kAc/bEpYPmZF4V76SRx2CAHYSuIlTKAmh3sE4qaPTO0Xkc9xY4uWmw+I+Q
	7sFGt4RLKF6lgFglfs340ntdjt6tK+XtyytRvLoZPX6afSSu41FqARkZMbCBMqfK6O3L
	thJ+RlQHJikGLvut0QjPtwGf/O66roNgTn0OLjhoKbSgY3XRl5ss5960RcWwkiZwiBTR
	Fr+YgMR5s8O0ooBNUfF3+z5I0mtx3cHXUC153TdwIryQXboLBqgpoSKkcqVV8z5FxajC
	FPUNU+IQ1fejFS/c+0QUHHQcGuYlP1448yTe67+nu4Efpqk2elUZDrMGy3O3aF7m+8RZ
	ufAw==
Received: by 10.182.1.72 with SMTP id 8mr38145263obk.61.1343256013961;
	Wed, 25 Jul 2012 15:40:13 -0700 (PDT)
Received: from [10.30.101.53] ([209.117.142.2])
	by mx.google.com with ESMTPS id hd10sm16944801obc.8.2012.07.25.15.40.12
	(version=TLSv1/SSLv3 cipher=OTHER);
	Wed, 25 Jul 2012 15:40:13 -0700 (PDT)
Sender: Warner Losh <wlosh@bsdimp.com>
Mime-Version: 1.0 (Apple Message framework v1084)
Content-Type: text/plain; charset=us-ascii
From: Warner Losh <imp@bsdimp.com>
In-Reply-To: <50107362.7050709@FreeBSD.org>
Date: Wed, 25 Jul 2012 16:40:10 -0600
Content-Transfer-Encoding: quoted-printable
Message-Id: <6BF84E40-8B71-4AFD-B457-5B3299BD4F92@bsdimp.com>
References: <501056C4.3080806@FreeBSD.org>
	<23011628-17F1-49A0-A41E-E7A8A8E3EA64@samsco.org>
	<50107362.7050709@FreeBSD.org>
To: Andriy Gapon <avg@FreeBSD.org>
X-Mailer: Apple Mail (2.1084)
X-Gm-Message-State: ALoCoQntebkclwuG9q8Wrbh2eh8AeD8maZNXwf1cOOjtKkq5JVVwfcRnxOoJwepjr57K1WSF8Hk0
Cc: freebsd-scsi@FreeBSD.org, Scott Long <scottl@samsco.org>,
	freebsd-geom@FreeBSD.org, freebsd-hackers@FreeBSD.org
Subject: Re: geom <-> cam disk
X-BeenThere: freebsd-scsi@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SCSI subsystem <freebsd-scsi.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-scsi>,
	<mailto:freebsd-scsi-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-scsi>
List-Post: <mailto:freebsd-scsi@freebsd.org>
List-Help: <mailto:freebsd-scsi-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-scsi>,
	<mailto:freebsd-scsi-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 25 Jul 2012 22:40:14 -0000


On Jul 25, 2012, at 4:29 PM, Andriy Gapon wrote:
> BTW, I think that it would be nice if the GEOM work-processing could =
re-use the
> CAM model.
> That is, try to execute GEOM bio transformations in the original =
thread as much
> as possible, defer work to the GEOM thread as the last resort.

Lots of people would like to see this.  Especially people that want high =
iops.

Warner