From nobody Thu Dec 18 13:17:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1566231629; cv=none; d=zoho.com; s=zohoarc; b=ia3FVAGX8Uw3yjgXV6yqzFOB3xw9kivL79nucnCnkEcLTJqBDmtvZ+w2hbJaVTioUW/a0TIfzW8cHAwFWT1/2bX2TTiDYy/9JnrXNvHjytXD6CgY53Qw116OpN7LA7XgPhIpdTcS9m2U+7svGtAiGCuQJo/R0S6WdUpJNWVC4qo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1566231629; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=N8r+nE/8aEQO2qedt6D0mdH+gRIWglbo9zP4bnX1f7k=; b=iAvV1y6BXBVid/4y8/J/QnxFxU/NG1yjwSbDKmRpqk5mj5PPQ0aAI1/nW4XN+Im7+qpoog56SMUdrl9IYyHhIgfCQfi7tClT9gMI0LzKFaUKf/5vEFaKnvJRBeEyZbRcCPDXye/jddlLox8kKEMUlwsUWF0X8OGkfdJywRUKElY= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1566231629691481.2294893493158; Mon, 19 Aug 2019 09:20:29 -0700 (PDT) Received: from localhost ([::1]:55222 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hzkON-0004pA-Me for importer@patchew.org; Mon, 19 Aug 2019 12:20:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35246) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hzkLh-0002hS-7t for qemu-devel@nongnu.org; Mon, 19 Aug 2019 12:17:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hzkLf-0006EM-S1 for qemu-devel@nongnu.org; Mon, 19 Aug 2019 12:17:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38264) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hzkLb-0006BK-5f; Mon, 19 Aug 2019 12:17:33 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 819AE11A1B; Mon, 19 Aug 2019 16:17:29 +0000 (UTC) Received: from localhost (ovpn-204-64.brq.redhat.com [10.40.204.64]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EE60E859CE; Mon, 19 Aug 2019 16:17:27 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Date: Mon, 19 Aug 2019 18:17:07 +0200 Message-Id: <20190819161723.7746-2-mreitz@redhat.com> In-Reply-To: <20190819161723.7746-1-mreitz@redhat.com> References: <20190819161723.7746-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 19 Aug 2019 16:17:29 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 01/17] LUKS: support preallocation 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 , Peter Maydell , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Maxim Levitsky preallocation=3Doff and preallocation=3Dmetadata both allocate luks header only, and preallocation=3Dfalloc/full is passed to underlying file. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=3D1534951 Signed-off-by: Maxim Levitsky Message-id: 20190716161901.1430-1-mlevitsk@redhat.com Signed-off-by: Max Reitz --- qapi/block-core.json | 6 +++++- block/crypto.c | 30 +++++++++++++++++++++++++++--- 2 files changed, 32 insertions(+), 4 deletions(-) diff --git a/qapi/block-core.json b/qapi/block-core.json index e9364a4a29..a5ab38db99 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -4212,13 +4212,17 @@ # # @file Node to create the image format on # @size Size of the virtual disk in bytes +# @preallocation Preallocation mode for the new image +# (since: 4.2) +# (default: off; allowed values: off, metadata, falloc, = full) # # Since: 2.12 ## { 'struct': 'BlockdevCreateOptionsLUKS', 'base': 'QCryptoBlockCreateOptionsLUKS', 'data': { 'file': 'BlockdevRef', - 'size': 'size' } } + 'size': 'size', + '*preallocation': 'PreallocMode' } } =20 ## # @BlockdevCreateOptionsNfs: diff --git a/block/crypto.c b/block/crypto.c index 8237424ae6..7eb698774e 100644 --- a/block/crypto.c +++ b/block/crypto.c @@ -74,6 +74,7 @@ static ssize_t block_crypto_read_func(QCryptoBlock *block, struct BlockCryptoCreateData { BlockBackend *blk; uint64_t size; + PreallocMode prealloc; }; =20 =20 @@ -112,7 +113,7 @@ static ssize_t block_crypto_init_func(QCryptoBlock *blo= ck, * available to the guest, so we must take account of that * which will be used by the crypto header */ - return blk_truncate(data->blk, data->size + headerlen, PREALLOC_MODE_O= FF, + return blk_truncate(data->blk, data->size + headerlen, data->prealloc, errp); } =20 @@ -251,6 +252,7 @@ static int block_crypto_open_generic(QCryptoBlockFormat= format, static int block_crypto_co_create_generic(BlockDriverState *bs, int64_t size, QCryptoBlockCreateOptions *opts, + PreallocMode prealloc, Error **errp) { int ret; @@ -266,9 +268,14 @@ static int block_crypto_co_create_generic(BlockDriverS= tate *bs, goto cleanup; } =20 + if (prealloc =3D=3D PREALLOC_MODE_METADATA) { + prealloc =3D PREALLOC_MODE_OFF; + } + data =3D (struct BlockCryptoCreateData) { .blk =3D blk, .size =3D size, + .prealloc =3D prealloc, }; =20 crypto =3D qcrypto_block_create(opts, NULL, @@ -500,6 +507,7 @@ block_crypto_co_create_luks(BlockdevCreateOptions *crea= te_options, Error **errp) BlockdevCreateOptionsLUKS *luks_opts; BlockDriverState *bs =3D NULL; QCryptoBlockCreateOptions create_opts; + PreallocMode preallocation =3D PREALLOC_MODE_OFF; int ret; =20 assert(create_options->driver =3D=3D BLOCKDEV_DRIVER_LUKS); @@ -515,8 +523,12 @@ block_crypto_co_create_luks(BlockdevCreateOptions *cre= ate_options, Error **errp) .u.luks =3D *qapi_BlockdevCreateOptionsLUKS_base(luks_opts), }; =20 + if (luks_opts->has_preallocation) { + preallocation =3D luks_opts->preallocation; + } + ret =3D block_crypto_co_create_generic(bs, luks_opts->size, &create_op= ts, - errp); + preallocation, errp); if (ret < 0) { goto fail; } @@ -534,12 +546,24 @@ static int coroutine_fn block_crypto_co_create_opts_l= uks(const char *filename, QCryptoBlockCreateOptions *create_opts =3D NULL; BlockDriverState *bs =3D NULL; QDict *cryptoopts; + PreallocMode prealloc; + char *buf =3D NULL; int64_t size; int ret; + Error *local_err =3D NULL; =20 /* Parse options */ size =3D qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0); =20 + buf =3D qemu_opt_get_del(opts, BLOCK_OPT_PREALLOC); + prealloc =3D qapi_enum_parse(&PreallocMode_lookup, buf, + PREALLOC_MODE_OFF, &local_err); + g_free(buf); + if (local_err) { + error_propagate(errp, local_err); + return -EINVAL; + } + cryptoopts =3D qemu_opts_to_qdict_filtered(opts, NULL, &block_crypto_create_opts_luk= s, true); @@ -565,7 +589,7 @@ static int coroutine_fn block_crypto_co_create_opts_luk= s(const char *filename, } =20 /* Create format layer */ - ret =3D block_crypto_co_create_generic(bs, size, create_opts, errp); + ret =3D block_crypto_co_create_generic(bs, size, create_opts, prealloc= , errp); if (ret < 0) { goto fail; } --=20 2.21.0