From nobody Mon Feb 9 08:11:23 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 1492480310504609.8327793327977; Mon, 17 Apr 2017 18:51:50 -0700 (PDT) Received: from localhost ([::1]:39577 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d0IJ3-0002bF-40 for importer@patchew.org; Mon, 17 Apr 2017 21:51:49 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34582) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d0I2w-00060F-Nx for qemu-devel@nongnu.org; Mon, 17 Apr 2017 21:35:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d0I2v-00045G-P6 for qemu-devel@nongnu.org; Mon, 17 Apr 2017 21:35:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46734) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d0I2s-0003zV-Ov; Mon, 17 Apr 2017 21:35:06 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B717A31F40F; Tue, 18 Apr 2017 01:35:05 +0000 (UTC) Received: from red.redhat.com (ovpn-121-102.rdu2.redhat.com [10.10.121.102]) by smtp.corp.redhat.com (Postfix) with ESMTP id B284F7835E; Tue, 18 Apr 2017 01:35:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com B717A31F40F Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=eblake@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com B717A31F40F From: Eric Blake To: qemu-devel@nongnu.org Date: Mon, 17 Apr 2017 20:33:53 -0500 Message-Id: <20170418013356.3578-29-eblake@redhat.com> In-Reply-To: <20170418013356.3578-1-eblake@redhat.com> References: <20170418013356.3578-1-eblake@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Tue, 18 Apr 2017 01:35:05 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 28/31] vmdk: Switch to .bdrv_co_block_status() 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: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , kwolf@nongnu.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" We are gradually moving away from sector-based interfaces, towards byte-based. Update the vmdk driver accordingly. Signed-off-by: Eric Blake --- block/vmdk.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) diff --git a/block/vmdk.c b/block/vmdk.c index c61b9cc..c85ce96 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -1286,25 +1286,24 @@ static inline uint64_t vmdk_find_index_in_cluster(V= mdkExtent *extent, return offset / BDRV_SECTOR_SIZE; } -static int64_t coroutine_fn vmdk_co_get_block_status(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, int *pnum, BlockDriverState **= file) +static int64_t coroutine_fn vmdk_co_block_status(BlockDriverState *bs, + int64_t offset, int64_t bytes, int64_t *pnum, BlockDriverState **f= ile) { BDRVVmdkState *s =3D bs->opaque; int64_t index_in_cluster, n, ret; - uint64_t offset; + uint64_t cluster_offset; VmdkExtent *extent; - extent =3D find_extent(s, sector_num, NULL); + extent =3D find_extent(s, offset >> BDRV_SECTOR_BITS, NULL); if (!extent) { return 0; } qemu_co_mutex_lock(&s->lock); - ret =3D get_cluster_offset(bs, extent, NULL, - sector_num * 512, false, &offset, + ret =3D get_cluster_offset(bs, extent, NULL, offset, false, &cluster_o= ffset, 0, 0); qemu_co_mutex_unlock(&s->lock); - index_in_cluster =3D vmdk_find_index_in_cluster(extent, sector_num); + index_in_cluster =3D vmdk_find_offset_in_cluster(extent, offset); switch (ret) { case VMDK_ERROR: ret =3D -EIO; @@ -1319,18 +1318,15 @@ static int64_t coroutine_fn vmdk_co_get_block_statu= s(BlockDriverState *bs, ret =3D BDRV_BLOCK_DATA; if (!extent->compressed) { ret |=3D BDRV_BLOCK_OFFSET_VALID; - ret |=3D (offset + (index_in_cluster << BDRV_SECTOR_BITS)) + ret |=3D (cluster_offset + index_in_cluster) & BDRV_BLOCK_OFFSET_MASK; } *file =3D extent->file->bs; break; } - n =3D extent->cluster_sectors - index_in_cluster; - if (n > nb_sectors) { - n =3D nb_sectors; - } - *pnum =3D n; + n =3D extent->cluster_sectors * BDRV_SECTOR_SIZE - index_in_cluster; + *pnum =3D MIN(n, bytes); return ret; } @@ -2362,7 +2358,7 @@ static BlockDriver bdrv_vmdk =3D { .bdrv_close =3D vmdk_close, .bdrv_create =3D vmdk_create, .bdrv_co_flush_to_disk =3D vmdk_co_flush, - .bdrv_co_get_block_status =3D vmdk_co_get_block_status, + .bdrv_co_block_status =3D vmdk_co_block_status, .bdrv_get_allocated_file_size =3D vmdk_get_allocated_file_size, .bdrv_has_zero_init =3D vmdk_has_zero_init, .bdrv_get_specific_info =3D vmdk_get_specific_info, --=20 2.9.3