From owner-freebsd-hackers@FreeBSD.ORG Wed Jul 25 22:40:14 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E84AE1065670 for ; 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 54FE48FC15 for ; Wed, 25 Jul 2012 22:40:14 +0000 (UTC) Received: by obbun3 with SMTP id un3so2219239obb.13 for ; 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=XmyIKsGsltCY+8VXh9piSBR0LiUvmSOW1V8HJYJHFhn4TiEWEtSQ2XJdz3aWAIGpWr 8VyIIsXZtBMH2Ny+PzPGkXDWRClcPVKczkfkLq2Wpmd25CkxwyCpFRvwDjdAtIyZjmcg a2p6sU8Jl2sX3g8Efjkl3+FEPgjxh7zAcTShGkX1alSMdTtQrTH7XgIw+sCRj6i47M0K 6Dy4FaIVD9VzlvcrIrEw9viZcbkSAxfb+6q+c2v2HSWw6rZ4+hZzWlujDBYpS6VpLu+F Mz4kEPYWF0h3fpN04+euYr00x47AAcEQqxO9qg9UD40hHTCkZxVTTmqB3/LdtPVayviR 07Gw== 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 Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Warner Losh 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 X-Mailer: Apple Mail (2.1084) X-Gm-Message-State: ALoCoQnDzeM+NCs6C7dzyxuVqSByo1jI3LG3P9pERanG8J4PtBlqAtRBKyHCbTfm8yna58oCTgaM Cc: freebsd-scsi@FreeBSD.org, Scott Long , freebsd-geom@FreeBSD.org, freebsd-hackers@FreeBSD.org Subject: Re: geom <-> cam disk X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Jul 2012 22:40:15 -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