From nobody Sun Feb 8 22:07:10 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1487091731409587.6781826555027; Tue, 14 Feb 2017 09:02:11 -0800 (PST) Received: from localhost ([::1]:35889 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cdgUR-0006zK-Rd for importer@patchew.org; Tue, 14 Feb 2017 12:02:07 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54840) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cdgSH-0005X0-9M for qemu-devel@nongnu.org; Tue, 14 Feb 2017 11:59:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cdgSD-0003yj-2G for qemu-devel@nongnu.org; Tue, 14 Feb 2017 11:59:53 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:19508 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 1cdgSC-0003vT-JL for qemu-devel@nongnu.org; Tue, 14 Feb 2017 11:59:48 -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 v1EGxd73032569; Tue, 14 Feb 2017 19:59:40 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Tue, 14 Feb 2017 19:59:22 +0300 Message-Id: <1487091579-67092-9-git-send-email-vsementsov@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1487091579-67092-1-git-send-email-vsementsov@virtuozzo.com> References: <1487091579-67092-1-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 08/25] block: introduce auto-loading bitmaps 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Auto loading bitmaps are bitmaps stored in the disk image, which should be loaded when the image is opened and become BdrvDirtyBitmaps for the corresponding drive. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: John Snow Reviewed-by: Max Reitz --- block.c | 14 ++++++++++++++ include/block/block.h | 2 ++ include/block/block_int.h | 3 +++ 3 files changed, 19 insertions(+) diff --git a/block.c b/block.c index a0346c8..56f030c 100644 --- a/block.c +++ b/block.c @@ -1141,6 +1141,13 @@ static int bdrv_open_common(BlockDriverState *bs, Bd= rvChild *file, assert(bdrv_min_mem_align(bs) !=3D 0); assert(is_power_of_2(bs->bl.request_alignment)); =20 + bdrv_load_autoloading_dirty_bitmaps(bs, &local_err); + if (local_err) { + error_propagate(errp, local_err); + ret =3D -EINVAL; + goto free_and_fail; + } + qemu_opts_del(opts); return 0; =20 @@ -4093,3 +4100,10 @@ void bdrv_del_child(BlockDriverState *parent_bs, Bdr= vChild *child, Error **errp) =20 parent_bs->drv->bdrv_del_child(parent_bs, child, errp); } + +void bdrv_load_autoloading_dirty_bitmaps(BlockDriverState *bs, Error **err= p) +{ + if (bs->drv && bs->drv->bdrv_load_autoloading_dirty_bitmaps) { + bs->drv->bdrv_load_autoloading_dirty_bitmaps(bs, errp); + } +} diff --git a/include/block/block.h b/include/block/block.h index 4e81f20..154ac7f 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -551,4 +551,6 @@ void bdrv_add_child(BlockDriverState *parent, BlockDriv= erState *child, Error **errp); void bdrv_del_child(BlockDriverState *parent, BdrvChild *child, Error **er= rp); =20 +void bdrv_load_autoloading_dirty_bitmaps(BlockDriverState *bs, Error **err= p); + #endif diff --git a/include/block/block_int.h b/include/block/block_int.h index 2d92d7e..6b2b50c 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -320,6 +320,9 @@ struct BlockDriver { void (*bdrv_del_child)(BlockDriverState *parent, BdrvChild *child, Error **errp); =20 + void (*bdrv_load_autoloading_dirty_bitmaps)(BlockDriverState *bs, + Error **errp); + QLIST_ENTRY(BlockDriver) list; }; =20 --=20 1.8.3.1