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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; Received: from AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) by AM6PR08MB4023.eurprd08.prod.outlook.com (2603:10a6:20b:a6::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4373.18; Wed, 4 Aug 2021 13:18:07 +0000 Received: from AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::44b9:68ac:bdc7:e23c]) by AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::44b9:68ac:bdc7:e23c%8]) with mapi id 15.20.4373.026; Wed, 4 Aug 2021 13:18:07 +0000 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, eblake@redhat.com, mreitz@redhat.com, vsementsov@virtuozzo.com, jsnow@redhat.com, kwolf@redhat.com Subject: [PATCH 03/11] block/block-copy: block_copy_state_new(): add bitmap parameter Date: Wed, 4 Aug 2021 16:17:42 +0300 Message-Id: <20210804131750.127574-4-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210804131750.127574-1-vsementsov@virtuozzo.com> References: <20210804131750.127574-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: HE1P192CA0003.EURP192.PROD.OUTLOOK.COM (2603:10a6:3:fe::13) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (185.215.60.211) by HE1P192CA0003.EURP192.PROD.OUTLOOK.COM (2603:10a6:3:fe::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4394.15 via Frontend Transport; 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envelope-from=vsementsov@virtuozzo.com; helo=EUR03-VE1-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, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This will be used in the following commit to bring "incremental" mode to copy-before-write filter. Signed-off-by: Vladimir Sementsov-Ogievskiy --- include/block/block-copy.h | 2 +- block/block-copy.c | 16 +++++++++++++--- block/copy-before-write.c | 3 ++- 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/include/block/block-copy.h b/include/block/block-copy.h index 9c24e8f38e..7d40bf2ac2 100644 --- a/include/block/block-copy.h +++ b/include/block/block-copy.h @@ -26,7 +26,7 @@ typedef struct BlockCopyCallState BlockCopyCallState; BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target, bool use_copy_range, bool compress, - Error **errp); + BdrvDirtyBitmap *bitmap, Error **errp); void block_copy_set_copy_opts(BlockCopyState *s, bool use_copy_range, bool compress); diff --git a/block/block-copy.c b/block/block-copy.c index 307045a59f..ec6a39b2ed 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -400,9 +400,10 @@ static int64_t block_copy_calculate_cluster_size(BlockDriverState *target, } BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target, - bool use_copy_range, - bool compress, Error **errp) + bool use_copy_range, bool compress, + BdrvDirtyBitmap *bitmap, Error **errp) { + ERRP_GUARD(); BlockCopyState *s; int64_t cluster_size; BdrvDirtyBitmap *copy_bitmap; @@ -418,7 +419,16 @@ BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target, return NULL; } bdrv_disable_dirty_bitmap(copy_bitmap); - bdrv_set_dirty_bitmap(copy_bitmap, 0, bdrv_dirty_bitmap_size(copy_bitmap)); + if (bitmap) { + if (!bdrv_merge_dirty_bitmap(copy_bitmap, bitmap, NULL, errp)) { + error_prepend(errp, "Failed to merge bitmap '%s' to internal " + "copy-bitmap: ", bdrv_dirty_bitmap_name(bitmap)); + return NULL; + } + } else { + bdrv_set_dirty_bitmap(copy_bitmap, 0, + bdrv_dirty_bitmap_size(copy_bitmap)); + } s = g_new(BlockCopyState, 1); *s = (BlockCopyState) { diff --git a/block/copy-before-write.c b/block/copy-before-write.c index b36ede3186..dbafee1f03 100644 --- a/block/copy-before-write.c +++ b/block/copy-before-write.c @@ -169,7 +169,8 @@ static int cbw_open(BlockDriverState *bs, QDict *options, int flags, ((BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP | BDRV_REQ_NO_FALLBACK) & bs->file->bs->supported_zero_flags); - s->bcs = block_copy_state_new(bs->file, s->target, false, false, errp); + s->bcs = block_copy_state_new(bs->file, s->target, false, false, NULL, + errp); if (!s->bcs) { error_prepend(errp, "Cannot create block-copy-state: "); return -EINVAL; -- 2.29.2