From nobody Sun Feb 8 09:11:17 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 1495726128281132.1642567692753; Thu, 25 May 2017 08:28:48 -0700 (PDT) Received: from localhost ([::1]:60513 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDugw-0007DD-Kw for importer@patchew.org; Thu, 25 May 2017 11:28:46 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33065) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDufA-0004qL-KH for qemu-devel@nongnu.org; Thu, 25 May 2017 11:26:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dDuf5-0002gB-Ml for qemu-devel@nongnu.org; Thu, 25 May 2017 11:26:56 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:41088 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 1dDuf5-0002f8-BJ for qemu-devel@nongnu.org; Thu, 25 May 2017 11:26:51 -0400 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 v4PFQS1p019102; Thu, 25 May 2017 18:26:30 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Thu, 25 May 2017 18:26:23 +0300 Message-Id: <20170525152628.37628-3-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20170525152628.37628-1-vsementsov@virtuozzo.com> References: <20170525152628.37628-1-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 2/7] block: add bdrv_get_format_allocated_size format interface 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, armbru@redhat.com, mreitz@redhat.com, den@openvz.org 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" The function should return actually used by top-level format driver space (in it's .file). It differs from bdrv_get_allocated_file_size, which returns allocated on fs file size. Signed-off-by: Vladimir Sementsov-Ogievskiy --- block.c | 15 +++++++++++++++ include/block/block.h | 1 + include/block/block_int.h | 1 + 3 files changed, 17 insertions(+) diff --git a/block.c b/block.c index ba22fc0dfb..6e1a435490 100644 --- a/block.c +++ b/block.c @@ -3407,6 +3407,21 @@ int64_t bdrv_get_allocated_file_size(BlockDriverStat= e *bs) } =20 /** + * Actually used by top-level format driver space (in it's .file) in bytes + */ +int64_t bdrv_get_format_allocated_size(BlockDriverState *bs) +{ + BlockDriver *drv =3D bs->drv; + if (!drv) { + return -ENOMEDIUM; + } + if (drv->bdrv_get_format_allocated_size) { + return drv->bdrv_get_format_allocated_size(bs); + } + return -ENOTSUP; +} + +/** * Return number of sectors on success, -errno on error. */ int64_t bdrv_nb_sectors(BlockDriverState *bs) diff --git a/include/block/block.h b/include/block/block.h index 9b355e92d8..c36b9ccae4 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -304,6 +304,7 @@ int bdrv_truncate(BdrvChild *child, int64_t offset, Err= or **errp); int64_t bdrv_nb_sectors(BlockDriverState *bs); int64_t bdrv_getlength(BlockDriverState *bs); int64_t bdrv_get_allocated_file_size(BlockDriverState *bs); +int64_t bdrv_get_format_allocated_size(BlockDriverState *bs); void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr); void bdrv_refresh_limits(BlockDriverState *bs, Error **errp); int bdrv_commit(BlockDriverState *bs); diff --git a/include/block/block_int.h b/include/block/block_int.h index 8d3724cce6..e562fa7a5a 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -208,6 +208,7 @@ struct BlockDriver { int64_t (*bdrv_getlength)(BlockDriverState *bs); bool has_variable_length; int64_t (*bdrv_get_allocated_file_size)(BlockDriverState *bs); + int64_t (*bdrv_get_format_allocated_size)(BlockDriverState *bs); =20 int coroutine_fn (*bdrv_co_pwritev_compressed)(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov); --=20 2.11.1