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b=AaHBnrRbEpdhTnx+J5Uq1kC62SFhOxDNyrPor/8PnR3rJRsiRx/Mqnk89Z3P3uGV6+5/yLL4UqgP7aoBhDIVEtQ8Pl49M5iOw04bo32EUROM8+hQ2dEmXjidIksbnfEhGvkISkLi+l2y/ZyHiDGnmHUUdE7NlFxz/FxHOabW4WNRJnswzZbYOdl3n6JQKxnBaubwxsaW2Y2SGNKLn8XogM5UGj4oeVfAmNsCsK2eHjoiDJcMMGsbAzv+kSL1wIfyCKFI0OI7aIcVI8b/zogQAR1CVK59+S2p3L+q90p4PqlVro1iE7b5/o+Iwlbuq59Ur7U+DAszbp3tEq1rQQtFUg== 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 v10 05/12] parallels: Use generic infrastructure for BAT writing in parallels_co_check() Date: Fri, 3 Feb 2023 10:18:47 +0100 Message-Id: <20230203091854.2221397-6-alexander.ivanov@virtuozzo.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230203091854.2221397-1-alexander.ivanov@virtuozzo.com> References: <20230203091854.2221397-1-alexander.ivanov@virtuozzo.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: VI1P18901CA0023.EURP189.PROD.OUTLOOK.COM (2603:10a6:801::33) To AS8PR08MB7095.eurprd08.prod.outlook.com (2603:10a6:20b:402::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR08MB7095:EE_|DB9PR08MB7721:EE_ X-MS-Office365-Filtering-Correlation-Id: e03af629-e9b1-4432-024d-08db05c7b246 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:fe1a::71d; envelope-from=alexander.ivanov@virtuozzo.com; helo=EUR03-DBA-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_NONE=0.001, SPF_PASS=-0.001 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: 1675416068175100003 Content-Type: text/plain; charset="utf-8" BAT is written in the context of conventional operations over the image inside bdrv_co_flush() when it calls parallels_co_flush_to_os() callback. Thus we should not modify BAT array directly, but call parallels_set_bat_entry() helper and bdrv_co_flush() further on. After that there is no need to manually write BAT and track its modification. This makes code more generic and allows to split parallels_set_bat_entry() for independent pieces. Signed-off-by: Alexander Ivanov Reviewed-by: Denis V. Lunev --- block/parallels.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/block/parallels.c b/block/parallels.c index b2e3f5f98f..63bfd7074c 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -425,9 +425,8 @@ static int coroutine_fn parallels_co_check(BlockDriverS= tate *bs, { BDRVParallelsState *s =3D bs->opaque; int64_t size, prev_off, high_off; - int ret; + int ret =3D 0; uint32_t i; - bool flush_bat =3D false; =20 size =3D bdrv_getlength(bs->file->bs); if (size < 0) { @@ -465,9 +464,8 @@ static int coroutine_fn parallels_co_check(BlockDriverS= tate *bs, fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i); res->corruptions++; if (fix & BDRV_FIX_ERRORS) { - s->bat_bitmap[i] =3D 0; + parallels_set_bat_entry(s, i, 0); res->corruptions_fixed++; - flush_bat =3D true; } prev_off =3D 0; continue; @@ -484,15 +482,6 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, prev_off =3D off; } =20 - ret =3D 0; - if (flush_bat) { - ret =3D bdrv_co_pwrite_sync(bs->file, 0, s->header_size, s->header= , 0); - if (ret < 0) { - res->check_errors++; - goto out; - } - } - if (high_off =3D=3D 0) { res->image_end_offset =3D s->data_end << BDRV_SECTOR_BITS; } else { @@ -527,6 +516,14 @@ static int coroutine_fn parallels_co_check(BlockDriver= State *bs, =20 out: qemu_co_mutex_unlock(&s->lock); + + if (ret =3D=3D 0) { + ret =3D bdrv_co_flush(bs); + if (ret < 0) { + res->check_errors++; + } + } + return ret; } =20 --=20 2.34.1