From owner-freebsd-geom@FreeBSD.ORG Wed Jul 14 14:40:03 2010 Return-Path: Delivered-To: freebsd-geom@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 73EC0106566B for ; Wed, 14 Jul 2010 14:40:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 631B78FC08 for ; Wed, 14 Jul 2010 14:40:03 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o6EEe3Hx091905 for ; Wed, 14 Jul 2010 14:40:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o6EEe3Wg091904; Wed, 14 Jul 2010 14:40:03 GMT (envelope-from gnats) Date: Wed, 14 Jul 2010 14:40:03 GMT Message-Id: <201007141440.o6EEe3Wg091904@freefall.freebsd.org> To: freebsd-geom@FreeBSD.org From: Marcin Wisnicki Cc: Subject: Re: kern/148540: [geom] geom_sched breaks ata devices X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Marcin Wisnicki List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Jul 2010 14:40:03 -0000 The following reply was made to PR kern/148540; it has been noted by GNATS. From: Marcin Wisnicki To: "Andrey V. Elsukov" Cc: bug-followup@freebsd.org, "Anton A. Barsukov" , Luigi Rizzo Subject: Re: kern/148540: [geom] geom_sched breaks ata devices Date: Wed, 14 Jul 2010 16:32:49 +0200 2010/7/14 Andrey V. Elsukov : > Hi, > > can you test attached patch? > Forwarding ioctls works but I'm thinking that maybe gsched should insert itself as a sibling to DEV and reattach all non-DEV consumers (though that would mean you could bypass scheduler by directly opening device). Something like this: http://wisnia21.freeshell.org/f/freebsd/geom_sched-insertion.png