From patchwork Wed Nov 16 14:07:18 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: 13045279 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 C35C7C4332F for ; Wed, 16 Nov 2022 14:08:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ovJ50-0000wd-Bs; Wed, 16 Nov 2022 09:07:55 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ovJ4s-0000kv-1G for qemu-devel@nongnu.org; Wed, 16 Nov 2022 09:07:46 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ovJ4p-00068i-8P for qemu-devel@nongnu.org; Wed, 16 Nov 2022 09:07:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1668607661; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=i/lNceb3G1WdGUkMMa+Dm6IP1UjeETmtexFZxPttQBs=; b=NzqxBlZkCl/ZyZy1EArpEuHiB1Vm8n19l13sZknZXemWVxlxcMTT7QUcVQAa66jtKjN8xS xPtIYnFN3a39fRzmV4UiM4/MqVdp8CTdo9iJodp/V563Fpm8zxLHcceyt1Uaa6jUR61ccF TAio5xmMRsae5tBuMDMYn3hK48/nC1Q= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-546-G35u6sXIM_qmzCCuq8H75g-1; Wed, 16 Nov 2022 09:07:37 -0500 X-MC-Unique: G35u6sXIM_qmzCCuq8H75g-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 4D80D3C025B8; Wed, 16 Nov 2022 14:07:36 +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 B0B1DC2C8C9; Wed, 16 Nov 2022 14:07:35 +0000 (UTC) From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Cc: Kevin Wolf , Hanna Reitz , Stefan Hajnoczi , Ari Sundholm , Pavel Dovgalyuk , Paolo Bonzini , John Snow , Vladimir Sementsov-Ogievskiy , Stefan Weil , Fam Zheng , Ronnie Sahlberg , Peter Lieven , Eric Blake , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Alberto Garcia , Ilya Dryomov , Wen Congyang , Xie Changlong , "Richard W.M. Jones" , Jeff Cody , Cleber Rosa , qemu-devel@nongnu.org, integration@gluster.org, Emanuele Giuseppe Esposito Subject: [PATCH 03/15] block-backend: use bdrv_getlength instead of blk_getlength Date: Wed, 16 Nov 2022 09:07:18 -0500 Message-Id: <20221116140730.3056048-4-eesposit@redhat.com> In-Reply-To: <20221116140730.3056048-1-eesposit@redhat.com> References: <20221116140730.3056048-1-eesposit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 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: -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_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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The only difference is that blk_ checks if the block is available, but this check is already performed above in blk_check_byte_request(). This is in preparation for the graph rdlock, which will be taken by both the callers of blk_check_byte_request() and blk_getlength(). Signed-off-by: Emanuele Giuseppe Esposito --- block/block-backend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/block-backend.c b/block/block-backend.c index 6f0dd15808..4af9a3179e 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1253,7 +1253,7 @@ static int blk_check_byte_request(BlockBackend *blk, int64_t offset, } if (!blk->allow_write_beyond_eof) { - len = blk_getlength(blk); + len = bdrv_getlength(blk_bs(blk)); if (len < 0) { return len; }