From patchwork Fri Sep 8 01:35:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 13376960 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 4EB57EC875F for ; Fri, 8 Sep 2023 01:38:40 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qeQQ7-0008VS-8N; Thu, 07 Sep 2023 21:36:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qeQQ5-0008Ti-Ev for qemu-devel@nongnu.org; Thu, 07 Sep 2023 21:36:25 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qeQQ0-0007tr-80 for qemu-devel@nongnu.org; Thu, 07 Sep 2023 21:36:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1694136979; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wTez80S1XdCord+X4wsj2A7zlFo9Zap+JHk8yhuflk8=; b=egARFX4+/fCligMpyk2i9+1aXFHpa51h/eQEYjQLU19Nl8qEu/TftsgKEOAZzWm9tvajcX S+6Iiyt9OMTvZHbkWhlgN/hyDCRGrGQOE2MDzqhqohPfVV7cvPQ8BQ3gPixiXQwpSlpNw2 cPxGQzcKdGA1tP/q2+K4AM6a6kkviHI= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-551-zx5z4aXRM_qORPZhalV7mg-1; Thu, 07 Sep 2023 21:36:17 -0400 X-MC-Unique: zx5z4aXRM_qORPZhalV7mg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6D2AE38008A9; Fri, 8 Sep 2023 01:36:17 +0000 (UTC) Received: from green.redhat.com (unknown [10.2.16.21]) by smtp.corp.redhat.com (Postfix) with ESMTP id 09BDC40C2070; Fri, 8 Sep 2023 01:36:16 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Cc: "Denis V. Lunev" , Vladimir Sementsov-Ogievskiy , qemu-block@nongnu.org (open list:Network Block Dev...) Subject: [PULL 09/13] qemu-nbd: move srcpath into struct NbdClientOpts Date: Thu, 7 Sep 2023 20:35:45 -0500 Message-ID: <20230908013535.990731-24-eblake@redhat.com> In-Reply-To: <20230908013535.990731-15-eblake@redhat.com> References: <20230908013535.990731-15-eblake@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: "Denis V. Lunev" We pass other parameters into nbd_client_thread() in this way. This patch makes the code more consistent. Signed-off-by: Denis V. Lunev CC: Eric Blake CC: Vladimir Sementsov-Ogievskiy Message-ID: <20230906093210.339585-4-den@openvz.org> Reviewed-by: Eric Blake [eblake: Note that this also cleans up a -Wshadow issue, first introduced in e5b815b0] Signed-off-by: Eric Blake --- qemu-nbd.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/qemu-nbd.c b/qemu-nbd.c index acbdc0cd8fd..16c59424f13 100644 --- a/qemu-nbd.c +++ b/qemu-nbd.c @@ -73,7 +73,6 @@ #define MBR_SIZE 512 -static char *srcpath; static SocketAddress *saddr; static int persistent = 0; static enum { RUNNING, TERMINATE, TERMINATED } state; @@ -255,6 +254,7 @@ static int qemu_nbd_client_list(SocketAddress *saddr, QCryptoTLSCreds *tls, struct NbdClientOpts { char *device; + char *srcpath; bool fork_process; bool verbose; }; @@ -320,7 +320,7 @@ static void *nbd_client_thread(void *arg) if (opts->verbose && !opts->fork_process) { fprintf(stderr, "NBD device %s is now connected to %s\n", - opts->device, srcpath); + opts->device, opts->srcpath); } else { /* Close stderr so that the qemu-nbd process exits. */ if (dup2(STDOUT_FILENO, STDERR_FILENO) < 0) { @@ -590,6 +590,7 @@ int main(int argc, char **argv) .fork_process = false, .verbose = false, .device = NULL, + .srcpath = NULL, }; #ifdef CONFIG_POSIX @@ -1059,19 +1060,19 @@ int main(int argc, char **argv) bdrv_init(); atexit(qemu_nbd_shutdown); - srcpath = argv[optind]; + opts.srcpath = argv[optind]; if (imageOpts) { - QemuOpts *opts; + QemuOpts *o; if (fmt) { error_report("--image-opts and -f are mutually exclusive"); exit(EXIT_FAILURE); } - opts = qemu_opts_parse_noisily(&file_opts, srcpath, true); - if (!opts) { + o = qemu_opts_parse_noisily(&file_opts, opts.srcpath, true); + if (!o) { qemu_opts_reset(&file_opts); exit(EXIT_FAILURE); } - options = qemu_opts_to_qdict(opts, NULL); + options = qemu_opts_to_qdict(o, NULL); qemu_opts_reset(&file_opts); blk = blk_new_open(NULL, NULL, options, flags, &local_err); } else { @@ -1079,7 +1080,7 @@ int main(int argc, char **argv) options = qdict_new(); qdict_put_str(options, "driver", fmt); } - blk = blk_new_open(srcpath, NULL, options, flags, &local_err); + blk = blk_new_open(opts.srcpath, NULL, options, flags, &local_err); } if (!blk) {