From patchwork Mon May 18 16:32:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 282456 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C6D2C433DF for ; Mon, 18 May 2020 16:33:59 +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 CA8DB20709 for ; Mon, 18 May 2020 16:33:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="H7ql2V4Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA8DB20709 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45236 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jaiiE-0007B1-1C for qemu-devel@archiver.kernel.org; Mon, 18 May 2020 12:33:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58692) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jaigl-0005Do-JZ for qemu-devel@nongnu.org; Mon, 18 May 2020 12:32:27 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:38196 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jaigk-0003DM-KF for qemu-devel@nongnu.org; Mon, 18 May 2020 12:32:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589819545; 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=o+juXcJOAG82/3PgIt7OdR8p9Z6Nh/+OtN61JebXt68=; b=H7ql2V4YjuK57KvSuABVQNCeGbwMrzpNdBi4BSNv/crEXiXE907q937bUZ94iqUVAa+hFS dvnRJxsx1Kuf5+zKldb7PZNdKLKZDvHCcZlhmFwfv7SmzUtNLR9385OQ1gyS8yPKZtcp2U MKQEtd2UxNoHUH9CTta5K39TR6YlNC4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-310-NmOhcSM8OBW-NsMvcyfL0g-1; Mon, 18 May 2020 12:32:22 -0400 X-MC-Unique: NmOhcSM8OBW-NsMvcyfL0g-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2260E107ACCA; Mon, 18 May 2020 16:32:21 +0000 (UTC) Received: from blue.redhat.com (ovpn-112-88.phx2.redhat.com [10.3.112.88]) by smtp.corp.redhat.com (Postfix) with ESMTP id A324C5D9DC; Mon, 18 May 2020 16:32:20 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Subject: [PULL 1/6] qemu-nbd: Close inherited stderr Date: Mon, 18 May 2020 11:32:13 -0500 Message-Id: <20200518163218.649412-2-eblake@redhat.com> In-Reply-To: <20200518163218.649412-1-eblake@redhat.com> References: <20200518163218.649412-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=eblake@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/17 22:51:00 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] 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_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: "open list:Network Block Dev..." , Raphael Pour Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Raphael Pour Close inherited stderr of the parent if fork_process is false. Otherwise no one will close it. (introduced by e6df58a5) This only affected 'qemu-nbd -c /dev/nbd0'. Signed-off-by: Raphael Pour Message-Id: Reviewed-by: Eric Blake [eblake: Enhance commit message] Signed-off-by: Eric Blake --- qemu-nbd.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/qemu-nbd.c b/qemu-nbd.c index 4aa005004ebd..306e44fb0a4b 100644 --- a/qemu-nbd.c +++ b/qemu-nbd.c @@ -916,7 +916,11 @@ int main(int argc, char **argv) } else if (pid == 0) { close(stderr_fd[0]); - old_stderr = dup(STDERR_FILENO); + /* Remember parent's stderr if we will be restoring it. */ + if (fork_process) { + old_stderr = dup(STDERR_FILENO); + } + ret = qemu_daemon(1, 0); /* Temporarily redirect stderr to the parent's pipe... */ From patchwork Mon May 18 16:32:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 282455 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47C2DC433E0 for ; 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Mon, 18 May 2020 12:32:24 -0400 X-MC-Unique: 4ipxGvMUPkWpzSDahPDmeA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3703E835B74; Mon, 18 May 2020 16:32:23 +0000 (UTC) Received: from blue.redhat.com (ovpn-112-88.phx2.redhat.com [10.3.112.88]) by smtp.corp.redhat.com (Postfix) with ESMTP id AD4525D9DC; Mon, 18 May 2020 16:32:22 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Subject: [PULL 4/6] qemu-img: refactor dump_map_entry JSON format output Date: Mon, 18 May 2020 11:32:16 -0500 Message-Id: <20200518163218.649412-5-eblake@redhat.com> In-Reply-To: <20200518163218.649412-1-eblake@redhat.com> References: <20200518163218.649412-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/17 22:52:27 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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 , Eyal Moscovici , "open list:Block layer core" , Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Eyal Moscovici Previously dump_map_entry identified whether we need to start a new JSON array based on whether start address == 0. In this refactor we remove this assumption as in following patches we will allow map to start from an arbitrary position. Reviewed-by: Eric Blake Acked-by: Mark Kanda Signed-off-by: Eyal Moscovici Message-Id: <20200513133629.18508-4-eyal.moscovici@oracle.com> Signed-off-by: Eric Blake --- qemu-img.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/qemu-img.c b/qemu-img.c index c88f412333ec..4aa9414aba6f 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -2902,9 +2902,8 @@ static int dump_map_entry(OutputFormat output_format, MapEntry *e, } break; case OFORMAT_JSON: - printf("%s{ \"start\": %"PRId64", \"length\": %"PRId64"," + printf("{ \"start\": %"PRId64", \"length\": %"PRId64"," " \"depth\": %"PRId64", \"zero\": %s, \"data\": %s", - (e->start == 0 ? "[" : ",\n"), e->start, e->length, e->depth, e->zero ? "true" : "false", e->data ? "true" : "false"); @@ -2913,8 +2912,8 @@ static int dump_map_entry(OutputFormat output_format, MapEntry *e, } putchar('}'); - if (!next) { - printf("]\n"); + if (next) { + puts(","); } break; } @@ -3089,6 +3088,8 @@ static int img_map(int argc, char **argv) if (output_format == OFORMAT_HUMAN) { printf("%-16s%-16s%-16s%s\n", "Offset", "Length", "Mapped to", "File"); + } else if (output_format == OFORMAT_JSON) { + putchar('['); } length = blk_getlength(blk); @@ -3125,6 +3126,9 @@ static int img_map(int argc, char **argv) } ret = dump_map_entry(output_format, &curr, NULL); + if (output_format == OFORMAT_JSON) { + puts("]"); + } out: blk_unref(blk); From patchwork Mon May 18 16:32:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 282454 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E62DEC433DF for ; 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Mon, 18 May 2020 12:32:25 -0400 X-MC-Unique: nZMhFrT7MP6RjvcBdaSVxQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 89A8A1B18BC1; Mon, 18 May 2020 16:32:24 +0000 (UTC) Received: from blue.redhat.com (ovpn-112-88.phx2.redhat.com [10.3.112.88]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2CCB65D9DC; Mon, 18 May 2020 16:32:24 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Subject: [PULL 6/6] iotests: Enhance 223 to cover qemu-img map improvements Date: Mon, 18 May 2020 11:32:18 -0500 Message-Id: <20200518163218.649412-7-eblake@redhat.com> In-Reply-To: <20200518163218.649412-1-eblake@redhat.com> References: <20200518163218.649412-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=eblake@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/17 22:51:00 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] 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_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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 , "open list:Block layer core" , Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Since qemu-img map + x-dirty-bitmap remains the easiest way to read persistent bitmaps at the moment, it makes a reasonable place to add coverage to ensure we do not regress on the just-added parameters to qemu-img map. Signed-off-by: Eric Blake Message-Id: <20200513181455.295267-1-eblake@redhat.com> --- tests/qemu-iotests/223 | 6 ++++-- tests/qemu-iotests/223.out | 3 ++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/tests/qemu-iotests/223 b/tests/qemu-iotests/223 index 56fbc5fb09a0..d68bc3cb6f1a 100755 --- a/tests/qemu-iotests/223 +++ b/tests/qemu-iotests/223 @@ -2,7 +2,7 @@ # # Test reading dirty bitmap over NBD # -# Copyright (C) 2018-2019 Red Hat, Inc. +# Copyright (C) 2018-2020 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -206,7 +206,9 @@ $QEMU_IMG map --output=json --image-opts \ nbd_server_start_unix_socket -f $IMGFMT -B b2 "$TEST_IMG" IMG="driver=nbd,server.type=unix,server.path=$nbd_unix_socket" -$QEMU_IMG map --output=json --image-opts \ +$QEMU_IMG map --output=json --image-opts --max-length=12345 \ + "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map +$QEMU_IMG map --output=json --image-opts --start-offset=12345 \ "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map # success, all done diff --git a/tests/qemu-iotests/223.out b/tests/qemu-iotests/223.out index 80c0cf65095b..e1eaaedb55b3 100644 --- a/tests/qemu-iotests/223.out +++ b/tests/qemu-iotests/223.out @@ -201,6 +201,7 @@ read 2097152/2097152 bytes at offset 2097152 { "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}] [{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, { "start": 512, "length": 512, "depth": 0, "zero": false, "data": false}, -{ "start": 1024, "length": 2096128, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, +{ "start": 1024, "length": 11321, "depth": 0, "zero": false, "data": true, "offset": OFFSET}] +[{ "start": 12345, "length": 2084807, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, { "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}] *** done