From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58417) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XZOo3-0007kY-Dz for qemu-devel@nongnu.org; Wed, 01 Oct 2014 14:39:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XZOnx-0002UX-9t for qemu-devel@nongnu.org; Wed, 01 Oct 2014 14:39:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44319) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XZOnw-0002UC-Sj for qemu-devel@nongnu.org; Wed, 01 Oct 2014 14:39:13 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s91IdBRo022109 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 1 Oct 2014 14:39:11 -0400 Message-ID: <542C4A4B.9080306@redhat.com> Date: Wed, 01 Oct 2014 20:39:07 +0200 From: Max Reitz MIME-Version: 1.0 References: <1412182919-9550-1-git-send-email-stefanha@redhat.com> <1412182919-9550-4-git-send-email-stefanha@redhat.com> In-Reply-To: <1412182919-9550-4-git-send-email-stefanha@redhat.com> Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 03/11] blockdev: acquire AioContext in blockdev_mark_auto_del() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi , qemu-devel@nongnu.org Cc: Kevin Wolf , Paolo Bonzini , Fam Zheng On 01.10.2014 19:01, Stefan Hajnoczi wrote: > When an emulated storage controller is unrealized it will call > blockdev_mark_auto_del(). This will cancel any running block job (and > that eventually releases its reference to the BDS so it can be freed). > > Since the block job may be executing in another AioContext we must > acquire/release to ensure thread safety. > > Signed-off-by: Stefan Hajnoczi > --- > blockdev.c | 7 +++++++ > 1 file changed, 7 insertions(+) Reviewed-by: Max Reitz