From patchwork Tue May 5 12:58:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Reitz X-Patchwork-Id: 283387 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3592FC47247 for ; Tue, 5 May 2020 13:15:59 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EA1952078C for ; Tue, 5 May 2020 13:15:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="TaDgt1ZN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA1952078C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40730 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jVxQT-0006tx-Uv for qemu-devel@archiver.kernel.org; Tue, 05 May 2020 09:15:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38978) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jVxAS-0002GA-9l for qemu-devel@nongnu.org; Tue, 05 May 2020 08:59:24 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:57856 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jVxAR-0001N8-Fm for qemu-devel@nongnu.org; Tue, 05 May 2020 08:59:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1588683562; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FiYlbID0TC7g/mAytPhqN/bsf8MIyh0E9vM2SOuLYJ0=; b=TaDgt1ZNZisOvXx6WCpa1Bxhoc7oqH/WQblkyw2iyq/TCIxUqBhjzJ4CRx5y+3bJPboB9S UPFtNO36GJnZ7SdXGhbutacBhqr4myL+wNRUewHx6ZwjxXEldziLpYSiRRwNiKM+tAG+D+ 4PJ6UNFsWx/8tQKk8WZucNs+T55FfeI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-126-aKVhQyHlNAyfRGnWJfxa1Q-1; Tue, 05 May 2020 08:59:18 -0400 X-MC-Unique: aKVhQyHlNAyfRGnWJfxa1Q-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7C2C8461; Tue, 5 May 2020 12:59:17 +0000 (UTC) Received: from localhost (ovpn-113-206.ams2.redhat.com [10.36.113.206]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1C7E26918D; Tue, 5 May 2020 12:59:16 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Subject: [PULL 22/24] block/block-copy: add state pointer to BlockCopyTask Date: Tue, 5 May 2020 14:58:24 +0200 Message-Id: <20200505125826.1001451-23-mreitz@redhat.com> In-Reply-To: <20200505125826.1001451-1-mreitz@redhat.com> References: <20200505125826.1001451-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.61; envelope-from=mreitz@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/05 00:37:40 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] 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, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: , Cc: Kevin Wolf , Peter Maydell , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Vladimir Sementsov-Ogievskiy We are going to use aio-task-pool API, so we'll need state pointer in BlockCopyTask anyway. Add it now and use where possible. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Max Reitz Message-Id: <20200429130847.28124-4-vsementsov@virtuozzo.com> Signed-off-by: Max Reitz --- block/block-copy.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/block/block-copy.c b/block/block-copy.c index 8d1b9ab9f0..35ff9cc3ef 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -25,6 +25,7 @@ #define BLOCK_COPY_MAX_MEM (128 * MiB) typedef struct BlockCopyTask { + BlockCopyState *s; int64_t offset; int64_t bytes; QLIST_ENTRY(BlockCopyTask) list; @@ -116,8 +117,11 @@ static BlockCopyTask *block_copy_task_create(BlockCopyState *s, bdrv_reset_dirty_bitmap(s->copy_bitmap, offset, bytes); s->in_flight_bytes += bytes; - task->offset = offset; - task->bytes = bytes; + *task = (BlockCopyTask) { + .s = s, + .offset = offset, + .bytes = bytes, + }; qemu_co_queue_init(&task->wait_queue); QLIST_INSERT_HEAD(&s->tasks, task, list); @@ -131,8 +135,7 @@ static BlockCopyTask *block_copy_task_create(BlockCopyState *s, * wake up all tasks waiting for us (may be some of them are not intersecting * with shrunk task) */ -static void coroutine_fn block_copy_task_shrink(BlockCopyState *s, - BlockCopyTask *task, +static void coroutine_fn block_copy_task_shrink(BlockCopyTask *task, int64_t new_bytes) { if (new_bytes == task->bytes) { @@ -141,20 +144,19 @@ static void coroutine_fn block_copy_task_shrink(BlockCopyState *s, assert(new_bytes > 0 && new_bytes < task->bytes); - s->in_flight_bytes -= task->bytes - new_bytes; - bdrv_set_dirty_bitmap(s->copy_bitmap, + task->s->in_flight_bytes -= task->bytes - new_bytes; + bdrv_set_dirty_bitmap(task->s->copy_bitmap, task->offset + new_bytes, task->bytes - new_bytes); task->bytes = new_bytes; qemu_co_queue_restart_all(&task->wait_queue); } -static void coroutine_fn block_copy_task_end(BlockCopyState *s, - BlockCopyTask *task, int ret) +static void coroutine_fn block_copy_task_end(BlockCopyTask *task, int ret) { - s->in_flight_bytes -= task->bytes; + task->s->in_flight_bytes -= task->bytes; if (ret < 0) { - bdrv_set_dirty_bitmap(s->copy_bitmap, task->offset, task->bytes); + bdrv_set_dirty_bitmap(task->s->copy_bitmap, task->offset, task->bytes); } QLIST_REMOVE(task, list); qemu_co_queue_restart_all(&task->wait_queue); @@ -502,9 +504,9 @@ static int coroutine_fn block_copy_dirty_clusters(BlockCopyState *s, ret = block_copy_block_status(s, offset, cur_bytes, &status_bytes); assert(ret >= 0); /* never fail */ cur_bytes = MIN(cur_bytes, status_bytes); - block_copy_task_shrink(s, task, cur_bytes); + block_copy_task_shrink(task, cur_bytes); if (s->skip_unallocated && !(ret & BDRV_BLOCK_ALLOCATED)) { - block_copy_task_end(s, task, 0); + block_copy_task_end(task, 0); progress_set_remaining(s->progress, bdrv_get_dirty_count(s->copy_bitmap) + s->in_flight_bytes); @@ -520,7 +522,7 @@ static int coroutine_fn block_copy_dirty_clusters(BlockCopyState *s, ret = block_copy_do_copy(s, offset, cur_bytes, ret & BDRV_BLOCK_ZERO, error_is_read); co_put_to_shres(s->mem, cur_bytes); - block_copy_task_end(s, task, ret); + block_copy_task_end(task, ret); if (ret < 0) { return ret; }