From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 422FCC433F5 for ; Wed, 24 Nov 2021 07:13:17 +0000 (UTC) Received: from localhost ([::1]:49900 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mpmSy-0001lb-9A for qemu-devel@archiver.kernel.org; Wed, 24 Nov 2021 02:13:16 -0500 Received: from eggs.gnu.org ([209.51.188.92]:59958) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mpm3L-0005Q3-SZ for qemu-devel@nongnu.org; Wed, 24 Nov 2021 01:46:48 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:28469) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mpm3K-0005Bw-7V for qemu-devel@nongnu.org; Wed, 24 Nov 2021 01:46:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1637736405; 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=PFje0L5qWjlDHU4tJ8RAu2VBxap0qb7E+kqJWatXX9c=; b=GsbYtm4xSv/D9VndVI2DaBz/I0n5bnu7ANYuB/D1gNGsyYkLdVE1lesW+puuqYxgrlNFsw DZhPSBJIS5/16eSNn3FyRHAoKjSEYoenGNA9Q1RUexC+GSPEAw1FtDB8rVwYHi/ObRuz2S xnQWNtWs9zB+wd7Hj7dg1bbxJGLdbDY= 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-188-RMBNf8AfNfqebVM4suQn7g-1; Wed, 24 Nov 2021 01:46:44 -0500 X-MC-Unique: RMBNf8AfNfqebVM4suQn7g-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 89E671DDE3; Wed, 24 Nov 2021 06:46:43 +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 62E9A60843; Wed, 24 Nov 2021 06:46:42 +0000 (UTC) From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Subject: [PATCH v5 20/31] block/coroutines: I/O API Date: Wed, 24 Nov 2021 01:44:07 -0500 Message-Id: <20211124064418.3120601-21-eesposit@redhat.com> In-Reply-To: <20211124064418.3120601-1-eesposit@redhat.com> References: <20211124064418.3120601-1-eesposit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 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 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=170.10.133.124; envelope-from=eesposit@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.7, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: , Cc: Kevin Wolf , Fam Zheng , Vladimir Sementsov-Ogievskiy , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost , Juan Quintela , qemu-devel@nongnu.org, John Snow , Emanuele Giuseppe Esposito , Richard Henderson , Markus Armbruster , "Dr. David Alan Gilbert" , Hanna Reitz , Stefan Hajnoczi , Paolo Bonzini , Eric Blake Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" block coroutines functions run in different aiocontext, and are not protected by the BQL. Therefore are I/O. Signed-off-by: Emanuele Giuseppe Esposito Reviewed-by: Paolo Bonzini Reviewed-by: Stefan Hajnoczi --- block/coroutines.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/block/coroutines.h b/block/coroutines.h index c8c14a29c8..c61abd271a 100644 --- a/block/coroutines.h +++ b/block/coroutines.h @@ -29,6 +29,12 @@ /* For blk_bs() in generated block/block-gen.c */ #include "sysemu/block-backend.h" +/* + * I/O API functions. These functions are thread-safe. + * + * See include/block/block-io.h for more information about + * the I/O API. + */ int coroutine_fn bdrv_co_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix); -- 2.27.0