From patchwork Tue Oct 27 05:05:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 311702 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 01068C4363A for ; Tue, 27 Oct 2020 05:08:35 +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 675462080A for ; Tue, 27 Oct 2020 05:08:34 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Tue, 27 Oct 2020 05:06:00 +0000 (UTC) Received: from blue.redhat.com (ovpn-112-145.phx2.redhat.com [10.3.112.145]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0DB5D10013C4; Tue, 27 Oct 2020 05:05:56 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH v6 00/11] Exposing backing-chain allocation over NBD Date: Tue, 27 Oct 2020 00:05:45 -0500 Message-Id: <20201027050556.269064-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 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 = 2020/10/27 01:06:06 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, pkrempa@redhat.com, qemu-block@nongnu.org, armbru@redhat.com, rjones@redhat.com, vsementsov@virtuozzo.com, stefanha@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" v5 was here: https://lists.gnu.org/archive/html/qemu-devel/2020-10/msg07124.html Also available at: https://repo.or.cz/qemu/ericb.git/shortlog/refs/tags/nbd-alloc-depth-v6 Since v5: - rebase to master (mostly affects 8/11) [Vladimir] - drop v5 1/12, and replace with new v6 1/11 [Markus] - rearrange series to complete 'bitmaps' before 'allocation-depth' - don't alter 'nbd-server-add' [Peter] - simplify qemu:allocation-depth to just be an integer [Vladimir] I want at least 1-7/11 in a pull request this week for 5.2 soft freeze, but it would also be nice to get the feature of 8-10/11 in as well. 11/11 is less important, but a nice followup to 2/11. (Oh, and my KVM Forum presentation this Friday uses these patches ;) Eric Blake (11): block: Simplify QAPI_LIST_ADD qapi: Make QAPI_LIST_ADD() public nbd: Utilize QAPI_CLONE for type conversion 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: Add new qemu:allocation-depth metadata context nbd: Add 'qemu-nbd -A' to expose allocation depth qapi: Use QAPI_LIST_ADD() where possible docs/devel/writing-qmp-commands.txt | 13 +- docs/interop/nbd.txt | 23 ++- docs/system/deprecated.rst | 3 +- docs/tools/qemu-nbd.rst | 8 +- qapi/block-core.json | 7 +- qapi/block-export.json | 46 ++++-- block/coroutines.h | 6 +- hw/net/rocker/rocker_fp.h | 2 +- include/block/nbd.h | 8 +- include/qapi/util.h | 8 ++ block/io.c | 29 +++- block.c | 14 +- block/commit.c | 2 +- block/gluster.c | 19 +-- block/mirror.c | 2 +- block/nbd.c | 26 +++- block/stream.c | 2 +- blockdev-nbd.c | 19 +-- 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 | 208 +++++++++++++++++++++------- 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 | 77 ++++++++++ tests/qemu-iotests/309.out | 22 +++ tests/qemu-iotests/group | 1 + 49 files changed, 542 insertions(+), 370 deletions(-) create mode 100755 tests/qemu-iotests/309 create mode 100644 tests/qemu-iotests/309.out