From patchwork Fri Oct 23 18:36:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 302121 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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=no 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 B020AC55179 for ; Fri, 23 Oct 2020 18:38:42 +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 0F47920BED for ; Fri, 23 Oct 2020 18:38:42 +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="fYtYgonz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F47920BED 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]:52528 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kW1xZ-0002il-0j for qemu-devel@archiver.kernel.org; Fri, 23 Oct 2020 14:38:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50346) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kW1w3-0000tD-2e for qemu-devel@nongnu.org; Fri, 23 Oct 2020 14:37:07 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:43517) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kW1vy-0001V7-L8 for qemu-devel@nongnu.org; Fri, 23 Oct 2020 14:37:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603478221; 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; bh=TtmXdJZofvyTEiGuHu+im7J0Fiu+INRV0BZQE0VaXAI=; b=fYtYgonzncGscG21jGAGFl3YIZ/p+5AWsUWr5wL56/QJuRxalVYYddEl721uy8/2Ogdqo7 jPbW/94juJYImhuityJNjBqj6/S168NrnkGRoZd7bhIeYB0hBxf6FTiMdhXak4KNQCaIp4 VC8g47SV7ZdHk5M9sUYu0lSN5Fhblnc= 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-283-fhA5dsH1MPKC40RPaglPcQ-1; Fri, 23 Oct 2020 14:36:57 -0400 X-MC-Unique: fhA5dsH1MPKC40RPaglPcQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5111610866B0; Fri, 23 Oct 2020 18:36:56 +0000 (UTC) Received: from blue.redhat.com (ovpn-113-7.phx2.redhat.com [10.3.113.7]) by smtp.corp.redhat.com (Postfix) with ESMTP id D6FC860BFA; Fri, 23 Oct 2020 18:36:52 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH v5 00/12] Exposing backing-chain allocation over NBD Date: Fri, 23 Oct 2020 13:36:40 -0500 Message-Id: <20201023183652.478921-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eblake@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/23 01:44:00 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, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no 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: kwolf@redhat.com, vsementsov@virtuozzo.com, stefanha@redhat.com, qemu-block@nongnu.org, rjones@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" v4 was here: https://lists.gnu.org/archive/html/qemu-devel/2020-10/msg02708.html Since then: - rebase to master - patches 1, 2, and 12 are new based on Vladimir's observation of QAPI_LIST_ADD - patches 10-11 are new based on prior discussion on exposing actual depth in addition to a tri-state encoding - patch 3 has a nasty bug fixed that was causing iotest failures - patch 6 updated to take advantage of patch 2 - other minor tweaks based on review comments 001/12:[down] 'qapi: Move GenericList to qapi/util.h' 002/12:[down] 'qapi: Make QAPI_LIST_ADD() public' 003/12:[0002] [FC] 'nbd: Utilize QAPI_CLONE for type conversion' 004/12:[0010] [FC] 'nbd: Add new qemu:allocation-depth metadata context' 005/12:[----] [--] 'nbd: Add 'qemu-nbd -A' to expose allocation depth' 006/12:[0014] [FC] 'nbd: Update qapi to support exporting multiple bitmaps' 007/12:[----] [--] 'nbd: Simplify qemu bitmap context name' 008/12:[----] [--] 'nbd: Refactor counting of metadata contexts' 009/12:[0017] [FC] 'nbd: Allow export of multiple bitmaps for one device' 010/12:[down] 'block: Return depth level during bdrv_is_allocated_above' 011/12:[down] 'nbd: Expose actual depth in qemu:allocation-depth' 012/12:[down] 'qapi: Use QAPI_LIST_ADD() where possible' Eric Blake (12): qapi: Move GenericList to qapi/util.h qapi: Make QAPI_LIST_ADD() public nbd: Utilize QAPI_CLONE for type conversion nbd: Add new qemu:allocation-depth metadata context nbd: Add 'qemu-nbd -A' to expose allocation depth nbd: Update qapi to support exporting multiple bitmaps nbd: Simplify qemu bitmap context name nbd: Refactor counting of metadata contexts nbd: Allow export of multiple bitmaps for one device block: Return depth level during bdrv_is_allocated_above nbd: Expose actual depth in qemu:allocation-depth qapi: Use QAPI_LIST_ADD() where possible docs/devel/writing-qmp-commands.txt | 13 +- docs/interop/nbd.txt | 31 +++- docs/system/deprecated.rst | 4 +- docs/tools/qemu-nbd.rst | 8 +- qapi/block-core.json | 7 +- qapi/block-export.json | 22 ++- include/qapi/visitor.h | 9 +- hw/net/rocker/rocker_fp.h | 2 +- include/block/nbd.h | 14 +- include/qapi/util.h | 16 ++ block/io.c | 11 +- block.c | 15 +- block/commit.c | 2 +- block/gluster.c | 19 +-- block/mirror.c | 2 +- block/stream.c | 2 +- blockdev-nbd.c | 28 ++-- chardev/char.c | 21 ++- hw/core/machine.c | 6 +- hw/net/rocker/rocker.c | 8 +- hw/net/rocker/rocker_fp.c | 14 +- hw/net/virtio-net.c | 21 +-- migration/migration.c | 7 +- migration/postcopy-ram.c | 7 +- monitor/hmp-cmds.c | 11 +- nbd/server.c | 222 ++++++++++++++++++++++------ qemu-img.c | 5 +- qemu-nbd.c | 30 ++-- qga/commands-posix.c | 13 +- qga/commands-win32.c | 17 +-- qga/commands.c | 6 +- qom/qom-qmp-cmds.c | 29 +--- target/arm/helper.c | 6 +- target/arm/monitor.c | 13 +- target/i386/cpu.c | 6 +- target/mips/helper.c | 6 +- target/s390x/cpu_models.c | 12 +- tests/test-clone-visitor.c | 7 +- tests/test-qobject-output-visitor.c | 42 +++--- tests/test-visitor-serialization.c | 5 +- trace/qmp.c | 22 ++- ui/vnc.c | 21 +-- util/qemu-config.c | 14 +- target/ppc/translate_init.c.inc | 12 +- tests/qemu-iotests/291 | 6 +- tests/qemu-iotests/309 | 73 +++++++++ tests/qemu-iotests/309.out | 22 +++ tests/qemu-iotests/group | 1 + 48 files changed, 529 insertions(+), 361 deletions(-) create mode 100755 tests/qemu-iotests/309 create mode 100644 tests/qemu-iotests/309.out