From patchwork Wed Feb 15 10:10:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 728144 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vNb0k5CGnz9s0m for ; Wed, 15 Feb 2017 21:21:10 +1100 (AEDT) Received: from localhost ([::1]:39431 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cdwhw-0004hB-4H for incoming@patchwork.ozlabs.org; Wed, 15 Feb 2017 05:21:08 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55861) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cdwXs-0002rq-JS for qemu-devel@nongnu.org; Wed, 15 Feb 2017 05:10:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cdwXl-0003bl-Tm for qemu-devel@nongnu.org; Wed, 15 Feb 2017 05:10:44 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:26696 helo=relay.sw.ru) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cdwXl-0003Yy-HC for qemu-devel@nongnu.org; Wed, 15 Feb 2017 05:10:37 -0500 Received: from kvm.sw.ru (msk-vpn.virtuozzo.com [195.214.232.6]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id v1FAAUwn013275; Wed, 15 Feb 2017 13:10:31 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Wed, 15 Feb 2017 13:10:22 +0300 Message-Id: <1487153430-17260-18-git-send-email-vsementsov@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1487153430-17260-1-git-send-email-vsementsov@virtuozzo.com> References: <1487153430-17260-1-git-send-email-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x [fuzzy] X-Received-From: 195.214.232.25 Subject: [Qemu-devel] [PATCH v15 17/25] qmp: add autoload parameter to block-dirty-bitmap-add X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, famz@redhat.com, armbru@redhat.com, mreitz@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, den@openvz.org, jsnow@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Optional. Default is false. Signed-off-by: Vladimir Sementsov-Ogievskiy Signed-off-by: Denis V. Lunev Reviewed-by: Max Reitz Reviewed-by: John Snow --- blockdev.c | 18 ++++++++++++++++-- qapi/block-core.json | 6 +++++- 2 files changed, 21 insertions(+), 3 deletions(-) diff --git a/blockdev.c b/blockdev.c index 40605fa..e32ac69 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1968,6 +1968,7 @@ static void block_dirty_bitmap_add_prepare(BlkActionState *common, qmp_block_dirty_bitmap_add(action->node, action->name, action->has_granularity, action->granularity, action->has_persistent, action->persistent, + action->has_autoload, action->autoload, &local_err); if (!local_err) { @@ -2698,6 +2699,7 @@ out: void qmp_block_dirty_bitmap_add(const char *node, const char *name, bool has_granularity, uint32_t granularity, bool has_persistent, bool persistent, + bool has_autoload, bool autoload, Error **errp) { AioContext *aio_context; @@ -2731,6 +2733,15 @@ void qmp_block_dirty_bitmap_add(const char *node, const char *name, if (!has_persistent) { persistent = false; } + if (!has_autoload) { + autoload = false; + } + + if (has_autoload && !persistent) { + error_setg(errp, "Autoload flag must be used only for persistent " + "bitmaps"); + goto out; + } if (persistent && !bdrv_can_store_new_dirty_bitmap(bs, name, granularity, errp)) @@ -2739,10 +2750,13 @@ void qmp_block_dirty_bitmap_add(const char *node, const char *name, } bitmap = bdrv_create_dirty_bitmap(bs, granularity, name, errp); - if (bitmap != NULL) { - bdrv_dirty_bitmap_set_persistance(bitmap, persistent); + if (bitmap == NULL) { + goto out; } + bdrv_dirty_bitmap_set_persistance(bitmap, persistent); + bdrv_dirty_bitmap_set_autoload(bitmap, autoload); + out: aio_context_release(aio_context); } diff --git a/qapi/block-core.json b/qapi/block-core.json index 535df20..09dcf4e 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1564,11 +1564,15 @@ # Qcow2 disks support persistent bitmaps. Default is false. # (Since 2.9) # +# @autoload: #optional the bitmap will be automatically loaded when the image +# it is stored in is opened. This flag may only be specified for +# persistent bitmaps. Default is false. (Since 2.9) +# # Since: 2.4 ## { 'struct': 'BlockDirtyBitmapAdd', 'data': { 'node': 'str', 'name': 'str', '*granularity': 'uint32', - '*persistent': 'bool' } } + '*persistent': 'bool', '*autoload': 'bool' } } ## # @block-dirty-bitmap-add: