From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59201) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W271S-0004dB-FX for qemu-devel@nongnu.org; Sat, 11 Jan 2014 17:27:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W271M-0003dX-GM for qemu-devel@nongnu.org; Sat, 11 Jan 2014 17:27:18 -0500 Received: from mx1.redhat.com ([209.132.183.28]:63739) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W271M-0003dS-8J for qemu-devel@nongnu.org; Sat, 11 Jan 2014 17:27:12 -0500 Message-ID: <52D1C59E.1000807@redhat.com> Date: Sat, 11 Jan 2014 23:28:46 +0100 From: Max Reitz MIME-Version: 1.0 References: <1386940979-3824-1-git-send-email-kwolf@redhat.com> <1386940979-3824-19-git-send-email-kwolf@redhat.com> In-Reply-To: <1386940979-3824-19-git-send-email-kwolf@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 18/24] block: Make overlap range for serialisation dynamic List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf , qemu-devel@nongnu.org Cc: pbonzini@redhat.com, pl@kamp.de, stefanha@redhat.com On 13.12.2013 14:22, Kevin Wolf wrote: > Copy on Read wants to serialise with all requests touching the same > cluster, so wait_serialising_requests() rounded to cluster boundaries. > Other users like alignment RMW will have different requirements, though > (requests touching the same sector), so make it dynamic. > > Signed-off-by: Kevin Wolf > --- > block.c | 53 ++++++++++++++++++++++++----------------------- > include/block/block_int.h | 4 ++++ > 2 files changed, 31 insertions(+), 26 deletions(-) Reviewed-by: Max Reitz