From patchwork Wed Apr 15 05:51:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 1270888 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 492BgY0v2qz9sSM for ; Wed, 15 Apr 2020 16:06:17 +1000 (AEST) Received: from localhost ([::1]:43734 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jObBd-0000g7-W6 for incoming@patchwork.ozlabs.org; Wed, 15 Apr 2020 02:06:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35435) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jOayy-0002jv-DL for qemu-devel@nongnu.org; Wed, 15 Apr 2020 01:53:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jOayw-0002nN-LJ for qemu-devel@nongnu.org; Wed, 15 Apr 2020 01:53:08 -0400 Received: from charlie.dont.surf ([128.199.63.193]:47560) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jOayu-0002ZE-AL; Wed, 15 Apr 2020 01:53:04 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by charlie.dont.surf (Postfix) with ESMTPSA id 33034BFD68; Wed, 15 Apr 2020 05:52:27 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH v7 25/48] nvme: replace dma_acct with blk_acct equivalent Date: Wed, 15 Apr 2020 07:51:17 +0200 Message-Id: <20200415055140.466900-26-its@irrelevant.dk> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200415055140.466900-1-its@irrelevant.dk> References: <20200415055140.466900-1-its@irrelevant.dk> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 128.199.63.193 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Beata Michalska , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Javier Gonzalez , Maxim Levitsky Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen The QSG isn't always initialized, so accounting could be wrong. Issue a call to blk_acct_start instead with the size taken from the QSG or IOV depending on the kind of I/O. Signed-off-by: Klaus Jensen Reviewed-by: Maxim Levitsky --- hw/block/nvme.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index b62b053d7c38..c9f7badd5a15 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -566,9 +566,10 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, return NVME_INVALID_FIELD | NVME_DNR; } - dma_acct_start(n->conf.blk, &req->acct, &req->qsg, acct); if (req->qsg.nsg > 0) { req->has_sg = true; + block_acct_start(blk_get_stats(n->conf.blk), &req->acct, req->qsg.size, + acct); req->aiocb = is_write ? dma_blk_write(n->conf.blk, &req->qsg, data_offset, BDRV_SECTOR_SIZE, nvme_rw_cb, req) : @@ -576,6 +577,8 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, nvme_rw_cb, req); } else { req->has_sg = false; + block_acct_start(blk_get_stats(n->conf.blk), &req->acct, req->iov.size, + acct); req->aiocb = is_write ? blk_aio_pwritev(n->conf.blk, data_offset, &req->iov, 0, nvme_rw_cb, req) :