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GET /api/patches/819139/?format=api
{ "id": 819139, "url": "http://patchwork.ozlabs.org/api/patches/819139/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170927125340.12360-7-berrange@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170927125340.12360-7-berrange@redhat.com>", "list_archive_url": null, "date": "2017-09-27T12:53:40", "name": "[v4,6/6] block: support passthrough of BDRV_REQ_FUA in crypto driver", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5c06785dc25b5009f784451f113d5606b0ce2eae", "submitter": { "id": 2694, "url": "http://patchwork.ozlabs.org/api/people/2694/?format=api", "name": "Daniel P. Berrangé", "email": "berrange@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170927125340.12360-7-berrange@redhat.com/mbox/", "series": [ { "id": 5359, "url": "http://patchwork.ozlabs.org/api/series/5359/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=5359", "date": "2017-09-27T12:53:35", "name": "Misc improvements to crypto block driver", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/5359/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/819139/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/819139/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx05.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx05.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=berrange@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3y2Hq04Zqwz9tXQ\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 27 Sep 2017 22:55:05 +1000 (AEST)", "from localhost ([::1]:54696 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dxBri-0004bj-Vf\n\tfor incoming@patchwork.ozlabs.org; Wed, 27 Sep 2017 08:55:03 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:50116)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <berrange@redhat.com>) id 1dxBr0-0004Xc-2O\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 08:54:18 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <berrange@redhat.com>) id 1dxBqz-0001fL-Ct\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 08:54:18 -0400", "from mx1.redhat.com ([209.132.183.28]:53066)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <berrange@redhat.com>)\n\tid 1dxBqq-0001Zb-Q0; Wed, 27 Sep 2017 08:54:08 -0400", "from smtp.corp.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id B7A3913AB3;\n\tWed, 27 Sep 2017 12:54:07 +0000 (UTC)", "from localhost.localdomain.com (unknown [10.42.22.189])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 24A2F7FA46;\n\tWed, 27 Sep 2017 12:54:03 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com B7A3913AB3", "From": "\"Daniel P. Berrange\" <berrange@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Wed, 27 Sep 2017 13:53:40 +0100", "Message-Id": "<20170927125340.12360-7-berrange@redhat.com>", "In-Reply-To": "<20170927125340.12360-1-berrange@redhat.com>", "References": "<20170927125340.12360-1-berrange@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.11", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.29]);\n\tWed, 27 Sep 2017 12:54:07 +0000 (UTC)", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PATCH v4 6/6] block: support passthrough of\n\tBDRV_REQ_FUA in crypto driver", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "Kevin Wolf <kwolf@redhat.com>, qemu-block@nongnu.org,\n\tStefan Hajnoczi <stefanha@gmail.com>, Max Reitz <mreitz@redhat.com>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "The BDRV_REQ_FUA flag can trivially be allowed in the crypt driver\nas a passthrough to the underlying block driver.\n\nReviewed-by: Max Reitz <mreitz@redhat.com>\nReviewed-by: Eric Blake <eblake@redhat.com>\nSigned-off-by: Daniel P. Berrange <berrange@redhat.com>\n---\n block/crypto.c | 7 +++++--\n 1 file changed, 5 insertions(+), 2 deletions(-)", "diff": "diff --git a/block/crypto.c b/block/crypto.c\nindex edf53d49d1..60ddf8623e 100644\n--- a/block/crypto.c\n+++ b/block/crypto.c\n@@ -279,6 +279,9 @@ static int block_crypto_open_generic(QCryptoBlockFormat format,\n return -EINVAL;\n }\n \n+ bs->supported_write_flags = BDRV_REQ_FUA &\n+ bs->file->bs->supported_write_flags;\n+\n opts = qemu_opts_create(opts_spec, NULL, 0, &error_abort);\n qemu_opts_absorb_qdict(opts, options, &local_err);\n if (local_err) {\n@@ -462,7 +465,7 @@ block_crypto_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,\n uint64_t sector_size = qcrypto_block_get_sector_size(crypto->block);\n uint64_t payload_offset = qcrypto_block_get_payload_offset(crypto->block);\n \n- assert(!flags);\n+ assert(!(flags & ~BDRV_REQ_FUA));\n assert(payload_offset < INT64_MAX);\n assert(QEMU_IS_ALIGNED(offset, sector_size));\n assert(QEMU_IS_ALIGNED(bytes, sector_size));\n@@ -495,7 +498,7 @@ block_crypto_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,\n qemu_iovec_add(&hd_qiov, cipher_data, cur_bytes);\n \n ret = bdrv_co_pwritev(bs->file, payload_offset + offset + bytes_done,\n- cur_bytes, &hd_qiov, 0);\n+ cur_bytes, &hd_qiov, flags);\n if (ret < 0) {\n goto cleanup;\n }\n", "prefixes": [ "v4", "6/6" ] }