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b=DVl4LWCOvkWXq6iVb9dG3hkJYU8KOwstOCNcyYJVwDTAihtv/zyo7kG/+rEh6RbBvKtEx9azXJLssmDmLXWY06gv0FSvrvMhFXMAUSStlDerHBz7Gc/zTK2dlA4FeH4bJYlQ+yfPQrtINO+6mARzZ/jE/E/Y/rqyMKjkzVQnQIUp3VoUGYweMJpk0FypX0wkDMsV9zxzUWWxGIsV2uoqfAEMo6//3T8YpikeL3qhGKU8JquOcP9QCJLsseVcPnSNa14D/P9ujq7Go0tzcrU4nBZcZSWmmKhtqkSlCgwFYLWQFRCWjv4wDI2DdK/7E1MlAEgsCPK0t2MkrpME4hXNxw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=virtuozzo.com; From: Alexander Ivanov To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, den@virtuozzo.com, stefanha@redhat.com, vsementsov@yandex-team.ru, kwolf@redhat.com, hreitz@redhat.com Subject: [PATCH v11 07/12] parallels: Move check of cluster outside image to a separate function Date: Mon, 24 Apr 2023 11:31:42 +0200 Message-Id: <20230424093147.197643-8-alexander.ivanov@virtuozzo.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230424093147.197643-1-alexander.ivanov@virtuozzo.com> References: <20230424093147.197643-1-alexander.ivanov@virtuozzo.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: VI1PR07CA0169.eurprd07.prod.outlook.com (2603:10a6:802:3e::17) To AS8PR08MB7095.eurprd08.prod.outlook.com (2603:10a6:20b:402::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR08MB7095:EE_|DU0PR08MB9487:EE_ X-MS-Office365-Filtering-Correlation-Id: affbb203-3e82-44bf-0a45-08db44a6c3ae X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a01:111:f400:fe0d::731; envelope-from=alexander.ivanov@virtuozzo.com; helo=EUR04-HE1-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @virtuozzo.com) X-ZM-MESSAGEID: 1682328791771100003 Content-Type: text/plain; charset="utf-8" We will add more and more checks so we need a better code structure in parallels_co_check. Let each check performs in a separate loop in a separate helper. Signed-off-by: Alexander Ivanov Reviewed-by: Denis V. Lunev --- block/parallels.c | 79 ++++++++++++++++++++++++++++++----------------- 1 file changed, 51 insertions(+), 28 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index 4f14bac616..8588c3d775 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -441,13 +441,12 @@ static void parallels_check_unclean(BlockDriverState = *bs, } =20 static int coroutine_fn GRAPH_RDLOCK -parallels_co_check(BlockDriverState *bs, BdrvCheckResult *res, - BdrvCheckMode fix) +parallels_check_outside_image(BlockDriverState *bs, BdrvCheckResult *res, + BdrvCheckMode fix) { BDRVParallelsState *s =3D bs->opaque; - int64_t size, prev_off, high_off; - int ret =3D 0; uint32_t i; + int64_t off, high_off, size; =20 size =3D bdrv_getlength(bs->file->bs); if (size < 0) { @@ -455,23 +454,9 @@ parallels_co_check(BlockDriverState *bs, BdrvCheckResu= lt *res, return size; } =20 - qemu_co_mutex_lock(&s->lock); - - parallels_check_unclean(bs, res, fix); - - res->bfi.total_clusters =3D s->bat_size; - res->bfi.compressed_clusters =3D 0; /* compression is not supported */ - high_off =3D 0; - prev_off =3D 0; for (i =3D 0; i < s->bat_size; i++) { - int64_t off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; - if (off =3D=3D 0) { - prev_off =3D 0; - continue; - } - - /* cluster outside the image */ + off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; if (off > size) { fprintf(stderr, "%s cluster %u is outside image\n", fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i); @@ -480,19 +465,11 @@ parallels_co_check(BlockDriverState *bs, BdrvCheckRes= ult *res, parallels_set_bat_entry(s, i, 0); res->corruptions_fixed++; } - prev_off =3D 0; continue; } - - res->bfi.allocated_clusters++; - if (off > high_off) { + if (high_off < off) { high_off =3D off; } - - if (prev_off !=3D 0 && (prev_off + s->cluster_size) !=3D off) { - res->bfi.fragmented_clusters++; - } - prev_off =3D off; } =20 if (high_off =3D=3D 0) { @@ -502,6 +479,52 @@ parallels_co_check(BlockDriverState *bs, BdrvCheckResu= lt *res, s->data_end =3D res->image_end_offset >> BDRV_SECTOR_BITS; } =20 + return 0; +} + +static int coroutine_fn GRAPH_RDLOCK +parallels_co_check(BlockDriverState *bs, BdrvCheckResult *res, + BdrvCheckMode fix) +{ + BDRVParallelsState *s =3D bs->opaque; + int64_t size, prev_off; + int ret; + uint32_t i; + + size =3D bdrv_getlength(bs->file->bs); + if (size < 0) { + res->check_errors++; + return size; + } + + qemu_co_mutex_lock(&s->lock); + + parallels_check_unclean(bs, res, fix); + + ret =3D parallels_check_outside_image(bs, res, fix); + if (ret < 0) { + goto out; + } + + res->bfi.total_clusters =3D s->bat_size; + res->bfi.compressed_clusters =3D 0; /* compression is not supported */ + + prev_off =3D 0; + for (i =3D 0; i < s->bat_size; i++) { + int64_t off =3D bat2sect(s, i) << BDRV_SECTOR_BITS; + if (off =3D=3D 0) { + prev_off =3D 0; + continue; + } + + res->bfi.allocated_clusters++; + + if (prev_off !=3D 0 && (prev_off + s->cluster_size) !=3D off) { + res->bfi.fragmented_clusters++; + } + prev_off =3D off; + } + if (size > res->image_end_offset) { int64_t count; count =3D DIV_ROUND_UP(size - res->image_end_offset, s->cluster_si= ze); --=20 2.34.1