From patchwork Fri Feb 11 14:51:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emanuele Giuseppe Esposito X-Patchwork-Id: 1591687 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Bt/stVeG; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4JwH7d0hS0z9s07 for ; Sat, 12 Feb 2022 02:08:45 +1100 (AEDT) Received: from localhost ([::1]:57916 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nIXXO-0007co-Lr for incoming@patchwork.ozlabs.org; Fri, 11 Feb 2022 10:08:42 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52874) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nIXHr-0003Y0-DM for qemu-devel@nongnu.org; Fri, 11 Feb 2022 09:52:42 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:30335) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nIXHl-0001m4-6d for qemu-devel@nongnu.org; Fri, 11 Feb 2022 09:52:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1644591152; 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=dpc3R8sEPhN+MMpQ8Uhq+b/8u32sd2SBoh6gf4ggNvA=; b=Bt/stVeGnB9Jcx9+EiDhLMWIjwzi0GE5za+8BQJp5+viW9qxh+8g7412JfJsfAjUnj2w4Z 3LiTFpbDtB8TomeO2Tg4QCazjUtkz7WFn4BELWhksNasBokMu0+Gxb90ufrflWZ5kuQVa9 5hOj/ZGVfGKtm1zy7GWZvmAEWvPOL9E= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-463-ulTKvngGPDSm6yS0bzupTg-1; Fri, 11 Feb 2022 09:52:29 -0500 X-MC-Unique: ulTKvngGPDSm6yS0bzupTg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 22F401091DA1; Fri, 11 Feb 2022 14:52:28 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4F9D07C0E8; Fri, 11 Feb 2022 14:52:20 +0000 (UTC) From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Subject: [PATCH v7 18/31] include/block/blockjob.h: global state API Date: Fri, 11 Feb 2022 09:51:40 -0500 Message-Id: <20220211145153.2861415-19-eesposit@redhat.com> In-Reply-To: <20220211145153.2861415-1-eesposit@redhat.com> References: <20220211145153.2861415-1-eesposit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eesposit@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.129.124; envelope-from=eesposit@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, SPF_HELO_NONE=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: , Cc: Kevin Wolf , Fam Zheng , Vladimir Sementsov-Ogievskiy , =?utf-8?q?Daniel_P?= =?utf-8?q?=2E_Berrang=C3=A9?= , Juan Quintela , qemu-devel@nongnu.org, John Snow , Emanuele Giuseppe Esposito , Richard Henderson , Markus Armbruster , "Dr. David Alan Gilbert" , Eduardo Habkost , Hanna Reitz , Stefan Hajnoczi , Paolo Bonzini , Eric Blake Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" blockjob functions run always under the BQL lock. Signed-off-by: Emanuele Giuseppe Esposito --- include/block/blockjob.h | 29 ++++++++++++++++++++++------- 1 file changed, 22 insertions(+), 7 deletions(-) diff --git a/include/block/blockjob.h b/include/block/blockjob.h index 87fbb3985f..6525e16fd5 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -74,6 +74,13 @@ typedef struct BlockJob { GSList *nodes; } BlockJob; +/* + * Global state (GS) API. These functions run under the BQL. + * + * See include/block/block-global-state.h for more information about + * the GS API. + */ + /** * block_job_next: * @job: A block job, or %NULL. @@ -155,6 +162,21 @@ BlockJobInfo *block_job_query(BlockJob *job, Error **errp); */ void block_job_iostatus_reset(BlockJob *job); +/* + * block_job_get_aio_context: + * + * Returns aio context associated with a block job. + */ +AioContext *block_job_get_aio_context(BlockJob *job); + + +/* + * Common functions that are neither I/O nor Global State. + * + * See include/block/block-common.h for more information about + * the Common API. + */ + /** * block_job_is_internal: * @job: The job to determine if it is user-visible or not. @@ -170,11 +192,4 @@ bool block_job_is_internal(BlockJob *job); */ const BlockJobDriver *block_job_driver(BlockJob *job); -/* - * block_job_get_aio_context: - * - * Returns aio context associated with a block job. - */ -AioContext *block_job_get_aio_context(BlockJob *job); - #endif