From patchwork Tue Jan 18 16:27:27 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: 12716693 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 0AA9CC433F5 for ; Tue, 18 Jan 2022 16:53:22 +0000 (UTC) Received: from localhost ([::1]:56394 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n9rjV-0007H4-3w for qemu-devel@archiver.kernel.org; Tue, 18 Jan 2022 11:53:21 -0500 Received: from eggs.gnu.org ([209.51.188.92]:38652) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n9rTq-0003sv-T7 for qemu-devel@nongnu.org; Tue, 18 Jan 2022 11:37:10 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:46839) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n9rTp-0005vQ-Ca for qemu-devel@nongnu.org; Tue, 18 Jan 2022 11:37:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1642523827; 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=ZQgl8oN+/Auu1+Z3PypozVm42DQuUmaIhnOqXTYhhQI=; b=WJJhfNHGomm1ufxkBQlTDjhvznzBi03pTkZvNRXnp97aiiX/f87OyPOxi9LHWRfGJvWgFS FCPq/oSugnpcBNZ0yQigwYroUOXMZrwkgw9Pg7R5kUWHfa9BvmiUSF4giHG/CkmJ6xuzPo HYLm5uZFf9fDuH4Tt8nbLQcEBQArNHo= 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-511-2iXkCnDjNzaZxRoa82yVkg-1; Tue, 18 Jan 2022 11:36:53 -0500 X-MC-Unique: 2iXkCnDjNzaZxRoa82yVkg-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7408886A8D3; Tue, 18 Jan 2022 16:28:19 +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 7FB54348F8; Tue, 18 Jan 2022 16:28:09 +0000 (UTC) From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Subject: [PATCH 01/12] introduce BDRV_POLL_WHILE_UNLOCKED Date: Tue, 18 Jan 2022 11:27:27 -0500 Message-Id: <20220118162738.1366281-2-eesposit@redhat.com> In-Reply-To: <20220118162738.1366281-1-eesposit@redhat.com> References: <20220118162738.1366281-1-eesposit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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: -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_H3=0.001, RCVD_IN_MSPIKE_WL=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 , Emanuele Giuseppe Esposito , qemu-devel@nongnu.org, Hanna Reitz , Stefan Hajnoczi , Paolo Bonzini , John Snow Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Same as BDRV_POLL_WHILE, but uses AIO_WAIT_WHILE_UNLOCKED. Signed-off-by: Emanuele Giuseppe Esposito --- include/block/block-global-state.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/block/block-global-state.h b/include/block/block-global-state.h index 419fe8427f..7ad9496f56 100644 --- a/include/block/block-global-state.h +++ b/include/block/block-global-state.h @@ -158,6 +158,11 @@ void bdrv_drain_all(void); AIO_WAIT_WHILE(bdrv_get_aio_context(bs_), \ cond); }) +#define BDRV_POLL_WHILE_UNLOCKED(bs, cond) ({ \ + BlockDriverState *bs_ = (bs); \ + AIO_WAIT_WHILE_UNLOCKED(bdrv_get_aio_context(bs_), \ + cond); }) + int bdrv_has_zero_init_1(BlockDriverState *bs); int bdrv_has_zero_init(BlockDriverState *bs); int bdrv_can_set_read_only(BlockDriverState *bs, bool read_only,