From patchwork Thu May 19 14:48:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alberto Faria X-Patchwork-Id: 1633308 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=ZGck7NOB; 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 4L3tD42x0Rz9t54 for ; Fri, 20 May 2022 00:54:12 +1000 (AEST) Received: from localhost ([::1]:53416 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nrhXW-0004Og-FP for incoming@patchwork.ozlabs.org; Thu, 19 May 2022 10:54:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53200) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrhSf-0006dO-3x for qemu-devel@nongnu.org; Thu, 19 May 2022 10:49:09 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:46212) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrhSd-0000xb-KE for qemu-devel@nongnu.org; Thu, 19 May 2022 10:49:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652971745; 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=GpampNajM5UgtrwDmiLk0bVq9KGYx4aWYW3nYWLwC4w=; b=ZGck7NOB3e4dtK+Ude7RXY1QJk2VP4u9s6LI9RZCEcUBhgPlLtRlijxYVOSwTnAcUHJt8g 5KLi/5XTzDU9x7IiZHHUyCKouWObOA+Mnq7Z3KH8cf1FUqrD7YKXGfVZnBa8UVnSsd3bEN EoBcOjZfN4r568cjieN6n28R4gW6aNs= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-260-s7jr7DA3NFKln4_sTSB8fw-1; Thu, 19 May 2022 10:49:01 -0400 X-MC-Unique: s7jr7DA3NFKln4_sTSB8fw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C5DBE100BAA1; Thu, 19 May 2022 14:49:00 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.192.10]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2458440D1B98; Thu, 19 May 2022 14:48:58 +0000 (UTC) From: Alberto Faria To: qemu-devel@nongnu.org Cc: "Denis V. Lunev" , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Vladimir Sementsov-Ogievskiy , qemu-block@nongnu.org, Kevin Wolf , Stefan Hajnoczi , John Snow , Hanna Reitz , Eric Blake , Stefan Weil , Jeff Cody , Fam Zheng , Ari Sundholm , Alberto Faria , Paolo Bonzini Subject: [PATCH v3 05/10] block: Make bdrv_co_pwrite() take a const buffer Date: Thu, 19 May 2022 15:48:35 +0100 Message-Id: <20220519144841.784780-6-afaria@redhat.com> In-Reply-To: <20220519144841.784780-1-afaria@redhat.com> References: <20220519144841.784780-1-afaria@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 Received-SPF: pass client-ip=170.10.133.124; envelope-from=afaria@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, 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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" It does not mutate the buffer. Signed-off-by: Alberto Faria Reviewed-by: Paolo Bonzini Reviewed-by: Stefan Hajnoczi --- include/block/block_int-io.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/block/block_int-io.h b/include/block/block_int-io.h index bb454200e5..d4d3bed783 100644 --- a/include/block/block_int-io.h +++ b/include/block/block_int-io.h @@ -65,7 +65,7 @@ static inline int coroutine_fn bdrv_co_pread(BdrvChild *child, } static inline int coroutine_fn bdrv_co_pwrite(BdrvChild *child, - int64_t offset, unsigned int bytes, void *buf, BdrvRequestFlags flags) + int64_t offset, unsigned int bytes, const void *buf, BdrvRequestFlags flags) { QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); IO_CODE();