From patchwork Tue Oct 1 23:46:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Roth X-Patchwork-Id: 1170374 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) 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=linux.vnet.ibm.com 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 46jdWG3qMkz9sPh for ; Wed, 2 Oct 2019 11:16:10 +1000 (AEST) Received: from localhost ([::1]:50088 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFTFP-0001kS-57 for incoming@patchwork.ozlabs.org; Tue, 01 Oct 2019 21:16:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40762) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFRse-00024i-Dt for qemu-devel@nongnu.org; Tue, 01 Oct 2019 19:48:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iFRsW-0002au-RK for qemu-devel@nongnu.org; Tue, 01 Oct 2019 19:48:31 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:38390) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iFRsV-00025Q-UA; Tue, 01 Oct 2019 19:48:24 -0400 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x91NlNmB193547; Tue, 1 Oct 2019 19:48:02 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 2vc71qsgd6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 01 Oct 2019 19:48:01 -0400 Received: from m0127361.ppops.net (m0127361.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.27/8.16.0.27) with SMTP id x91Nlvg1194375; Tue, 1 Oct 2019 19:48:01 -0400 Received: from ppma01wdc.us.ibm.com (fd.55.37a9.ip4.static.sl-reverse.com [169.55.85.253]) by mx0a-001b2d01.pphosted.com with ESMTP id 2vc71qsgcv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 01 Oct 2019 19:48:01 -0400 Received: from pps.filterd (ppma01wdc.us.ibm.com [127.0.0.1]) by ppma01wdc.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x91Njofl032175; Tue, 1 Oct 2019 23:48:02 GMT Received: from b01cxnp22034.gho.pok.ibm.com (b01cxnp22034.gho.pok.ibm.com [9.57.198.24]) by ppma01wdc.us.ibm.com with ESMTP id 2v9y57fgct-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 01 Oct 2019 23:48:02 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp22034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x91Nm0f149676640 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 1 Oct 2019 23:48:00 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9548328059; Tue, 1 Oct 2019 23:48:00 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 79A2F2805C; Tue, 1 Oct 2019 23:48:00 +0000 (GMT) Received: from localhost (unknown [9.53.179.213]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 1 Oct 2019 23:48:00 +0000 (GMT) From: Michael Roth To: qemu-devel@nongnu.org Subject: [PATCH 89/97] curl: Pass CURLSocket to curl_multi_do() Date: Tue, 1 Oct 2019 18:46:08 -0500 Message-Id: <20191001234616.7825-90-mdroth@linux.vnet.ibm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191001234616.7825-1-mdroth@linux.vnet.ibm.com> References: <20191001234616.7825-1-mdroth@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-10-01_10:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910010203 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 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: qemu-stable@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Max Reitz curl_multi_do_locked() currently marks all sockets as ready. That is not only inefficient, but in fact unsafe (the loop is). A follow-up patch will change that, but to do so, curl_multi_do_locked() needs to know exactly which socket is ready; and that is accomplished by this patch here. Cc: qemu-stable@nongnu.org Signed-off-by: Max Reitz Message-id: 20190910124136.10565-5-mreitz@redhat.com Reviewed-by: Maxim Levitsky Reviewed-by: John Snow Signed-off-by: Max Reitz (cherry picked from commit 9dbad87d25587ff640ef878f7b6159fc368ff541) Signed-off-by: Michael Roth --- block/curl.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/block/curl.c b/block/curl.c index bf64c2a0db..5b163d71dc 100644 --- a/block/curl.c +++ b/block/curl.c @@ -184,15 +184,15 @@ static int curl_sock_cb(CURL *curl, curl_socket_t fd, int action, switch (action) { case CURL_POLL_IN: aio_set_fd_handler(s->aio_context, fd, false, - curl_multi_do, NULL, NULL, state); + curl_multi_do, NULL, NULL, socket); break; case CURL_POLL_OUT: aio_set_fd_handler(s->aio_context, fd, false, - NULL, curl_multi_do, NULL, state); + NULL, curl_multi_do, NULL, socket); break; case CURL_POLL_INOUT: aio_set_fd_handler(s->aio_context, fd, false, - curl_multi_do, curl_multi_do, NULL, state); + curl_multi_do, curl_multi_do, NULL, socket); break; case CURL_POLL_REMOVE: aio_set_fd_handler(s->aio_context, fd, false, @@ -391,9 +391,10 @@ static void curl_multi_check_completion(BDRVCURLState *s) } /* Called with s->mutex held. */ -static void curl_multi_do_locked(CURLState *s) +static void curl_multi_do_locked(CURLSocket *ready_socket) { CURLSocket *socket, *next_socket; + CURLState *s = ready_socket->state; int running; int r; @@ -412,12 +413,13 @@ static void curl_multi_do_locked(CURLState *s) static void curl_multi_do(void *arg) { - CURLState *s = (CURLState *)arg; + CURLSocket *socket = arg; + BDRVCURLState *s = socket->state->s; - qemu_mutex_lock(&s->s->mutex); - curl_multi_do_locked(s); - curl_multi_check_completion(s->s); - qemu_mutex_unlock(&s->s->mutex); + qemu_mutex_lock(&s->mutex); + curl_multi_do_locked(socket); + curl_multi_check_completion(s); + qemu_mutex_unlock(&s->mutex); } static void curl_multi_timeout_do(void *arg)