From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45191) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agO4Y-00039a-9q for qemu-devel@nongnu.org; Wed, 16 Mar 2016 22:54:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1agO4T-0002iN-A9 for qemu-devel@nongnu.org; Wed, 16 Mar 2016 22:54:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46387) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agO4T-0002iJ-4X for qemu-devel@nongnu.org; Wed, 16 Mar 2016 22:53:57 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (Postfix) with ESMTPS id A58168AE72 for ; Thu, 17 Mar 2016 02:53:56 +0000 (UTC) Date: Thu, 17 Mar 2016 10:53:55 +0800 From: Fam Zheng Message-ID: <20160317025355.GJ23821@ad.usersys.redhat.com> References: <1458137817-15383-1-git-send-email-pbonzini@redhat.com> <1458137817-15383-7-git-send-email-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1458137817-15383-7-git-send-email-pbonzini@redhat.com> Subject: Re: [Qemu-devel] [PATCH v2 06/16] block: add BDS field to count in-flight requests List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel@nongnu.org, stefanha@redhat.com On Wed, 03/16 15:16, Paolo Bonzini wrote: > Unlike tracked_requests, this field also counts throttled requests, > and remains non-zero if an AIO operation needs a BH to be "really" > completed. > > With this change, it is no longer necessary to have a dummy > BdrvTrackedRequest for requests that are never serialising, and > it is no longer necessary to poll the AioContext once after > bdrv_requests_pending(bs) returns false. > > Signed-off-by: Paolo Bonzini Assuming this has no change from v1: Reviewed-by: Fam Zheng