From nobody Sun Oct 5 21:10:01 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1565894308; cv=none; d=zoho.com; s=zohoarc; b=E/91vv9HNG4Lx1rJc7RTGUqOJMyFpc+vDtWxfqZcP5NMysPNyXxb7Sz9CxDgZODKuxDtm6Yh4xRIcqHJiscq7h2XoOzoBkiafX23TwEjD7FcPotPyuMM4o99fKQbYqO9WLJRJrwl6tkPAt9HLjGUtF3su52J13MO3m7I8GVplLg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1565894308; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=HyPIWDwuk+1I8efv6bDmUsK+K4K60h+xOcPj3dbae1w=; b=jXbNFpA+S4/K8kFLyJ2dN7ZTKu2mYhjxRhv/uzYkrwWwGfbjl28Xl9VB77k3deKeZ5u9s1j/R21wLuGuCg4vvRbHp9ysU0AtsCyc/AhTZccLTXrSjPOnyXJ9zvL6C6DHj0Dr30Mnk71bZZGhIfZUeMWnOH+0ZQ/16woF6R2rOms= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1565894308700713.1740336324575; Thu, 15 Aug 2019 11:38:28 -0700 (PDT) Received: from localhost ([::1]:46112 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hyKdn-0000RX-Cn for importer@patchew.org; Thu, 15 Aug 2019 14:38:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37564) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hyKXC-00030j-Dt for qemu-devel@nongnu.org; Thu, 15 Aug 2019 14:31:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hyKX6-0001s8-AA for qemu-devel@nongnu.org; Thu, 15 Aug 2019 14:31:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38313) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hyKWz-0001f3-CH; Thu, 15 Aug 2019 14:31:25 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BB21FC04DBCD; Thu, 15 Aug 2019 18:31:23 +0000 (UTC) Received: from blue.redhat.com (ovpn-117-22.phx2.redhat.com [10.3.117.22]) by smtp.corp.redhat.com (Postfix) with ESMTP id 48C1512A72; Thu, 15 Aug 2019 18:31:23 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Date: Thu, 15 Aug 2019 13:30:35 -0500 Message-Id: <20190815183039.4264-6-eblake@redhat.com> In-Reply-To: <20190815183039.4264-1-eblake@redhat.com> References: <20190815183039.4264-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 15 Aug 2019 18:31:23 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 5/9] block/nbd: split connection_co start out of nbd_client_connect 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 , Vladimir Sementsov-Ogievskiy , "open list:Network Block Dev..." , Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Vladimir Sementsov-Ogievskiy nbd_client_connect is going to be used from connection_co, so, let's refactor nbd_client_connect in advance, leaving io channel configuration all in nbd_client_connect. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake Message-Id: <20190618114328.55249-2-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake --- block/nbd.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/block/nbd.c b/block/nbd.c index 57c1a205811a..c16d02528b2f 100644 --- a/block/nbd.c +++ b/block/nbd.c @@ -1231,14 +1231,8 @@ static int nbd_client_connect(BlockDriverState *bs, object_ref(OBJECT(s->ioc)); } - /* - * Now that we're connected, set the socket to be non-blocking and - * kick the reply mechanism. - */ qio_channel_set_blocking(QIO_CHANNEL(sioc), false, NULL); - s->connection_co =3D qemu_coroutine_create(nbd_connection_entry, s); - bdrv_inc_in_flight(bs); - nbd_client_attach_aio_context(bs, bdrv_get_aio_context(bs)); + qio_channel_attach_aio_context(s->ioc, bdrv_get_aio_context(bs)); trace_nbd_client_connect_success(export); @@ -1269,14 +1263,24 @@ static int nbd_client_init(BlockDriverState *bs, const char *x_dirty_bitmap, Error **errp) { + int ret; BDRVNBDState *s =3D (BDRVNBDState *)bs->opaque; s->bs =3D bs; qemu_co_mutex_init(&s->send_mutex); qemu_co_queue_init(&s->free_sema); - return nbd_client_connect(bs, saddr, export, tlscreds, hostname, - x_dirty_bitmap, errp); + ret =3D nbd_client_connect(bs, saddr, export, tlscreds, hostname, + x_dirty_bitmap, errp); + if (ret < 0) { + return ret; + } + + s->connection_co =3D qemu_coroutine_create(nbd_connection_entry, s); + bdrv_inc_in_flight(bs); + aio_co_schedule(bdrv_get_aio_context(bs), s->connection_co); + + return 0; } static int nbd_parse_uri(const char *filename, QDict *options) --=20 2.20.1