From patchwork Wed Apr 15 05:51:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 11489833 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BF74B174A for ; Wed, 15 Apr 2020 06:08:12 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A01EA20737 for ; Wed, 15 Apr 2020 06:08:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A01EA20737 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:43782 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jObDX-0006JC-Pe for patchwork-qemu-devel@patchwork.kernel.org; Wed, 15 Apr 2020 02:08:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35465) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jOayy-0002kf-S5 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-0002o2-ST for qemu-devel@nongnu.org; Wed, 15 Apr 2020 01:53:08 -0400 Received: from charlie.dont.surf ([128.199.63.193]:47562) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jOayu-0002ZD-9j; 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 8C001BFD78; Wed, 15 Apr 2020 05:52:27 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH v7 26/48] nvme: remove redundant has_sg member Date: Wed, 15 Apr 2020 07:51:18 +0200 Message-Id: <20200415055140.466900-27-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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Remove the has_sg member from NvmeRequest since it's redundant. Signed-off-by: Klaus Jensen Reviewed-by: Maxim Levitsky --- hw/block/nvme.c | 11 ++++++----- hw/block/nvme.h | 1 - 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index c9f7badd5a15..3e41b1337bf7 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -494,16 +494,20 @@ static void nvme_rw_cb(void *opaque, int ret) block_acct_failed(blk_get_stats(n->conf.blk), &req->acct); req->status = NVME_INTERNAL_DEV_ERROR; } - if (req->has_sg) { + + if (req->qsg.nalloc) { qemu_sglist_destroy(&req->qsg); } + if (req->iov.nalloc) { + qemu_iovec_destroy(&req->iov); + } + nvme_enqueue_req_completion(cq, req); } static uint16_t nvme_flush(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, NvmeRequest *req) { - req->has_sg = false; block_acct_start(blk_get_stats(n->conf.blk), &req->acct, 0, BLOCK_ACCT_FLUSH); req->aiocb = blk_aio_flush(n->conf.blk, nvme_rw_cb, req); @@ -529,7 +533,6 @@ static uint16_t nvme_write_zeros(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, return NVME_LBA_RANGE | NVME_DNR; } - req->has_sg = false; block_acct_start(blk_get_stats(n->conf.blk), &req->acct, 0, BLOCK_ACCT_WRITE); req->aiocb = blk_aio_pwrite_zeroes(n->conf.blk, offset, count, @@ -567,7 +570,6 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, } 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 ? @@ -576,7 +578,6 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, dma_blk_read(n->conf.blk, &req->qsg, data_offset, BDRV_SECTOR_SIZE, 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 ? diff --git a/hw/block/nvme.h b/hw/block/nvme.h index f72ffddae160..a946ae88d817 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -29,7 +29,6 @@ typedef struct NvmeRequest { struct NvmeSQueue *sq; BlockAIOCB *aiocb; uint16_t status; - bool has_sg; NvmeCqe cqe; BlockAcctCookie acct; QEMUSGList qsg;