From nobody Mon Feb 9 23:42:28 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1560379483; cv=none; d=zoho.com; s=zohoarc; b=P8YNVpDis8j3GuMjZBYQN9egZmNSrFXAvT7OrNgyBQTazxXUtCAnDK/zUVUB7wAmx1lflG+ONAotudiX6rVItG1IFwD7tDx62roFCRUEKYX0+P+XUa896dFjAyah//2X9Xl671P+oXGITaCNYsNQnTw6XjKnrk2OQjha+QcDkSI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1560379483; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=dnKR82aKIHXA0WCHrLjHl1INwx+x5cYlzP3YBOOQjO0=; b=hzrT6AKfpToloPKr3yUln7Mi4URu6WSIKCza0jDvZDzrnJV/gtMaDRzSIMKJicCUoa0oKqefX1silKyRY3EkJf+6fArLuTokY1Nhwfba0XYDApnLcj6Z/vvwAXx/HrfZg8BneqNnbQzMP4D8nyeAf4mJ+hnJnMX5HRtauh+/DEY= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1560379483544604.7517506456076; Wed, 12 Jun 2019 15:44:43 -0700 (PDT) Received: from localhost ([::1]:35650 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hbByy-0006c1-V8 for importer@patchew.org; Wed, 12 Jun 2019 18:44:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46240) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hbBT1-00007V-14 for qemu-devel@nongnu.org; Wed, 12 Jun 2019 18:11:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hbBSz-0008GS-2E for qemu-devel@nongnu.org; Wed, 12 Jun 2019 18:11:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43958) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hbBSs-0008C4-Ar; Wed, 12 Jun 2019 18:11:30 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 86AFE30F1BD6; Wed, 12 Jun 2019 22:11:29 +0000 (UTC) Received: from localhost (unknown [10.40.205.72]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 123CB60CCD; Wed, 12 Jun 2019 22:11:28 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Date: Thu, 13 Jun 2019 00:09:54 +0200 Message-Id: <20190612221004.2317-33-mreitz@redhat.com> In-Reply-To: <20190612221004.2317-1-mreitz@redhat.com> References: <20190612221004.2317-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Wed, 12 Jun 2019 22:11:29 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v5 32/42] block: Make bdrv_get_cumulative_perm() public X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Vladimir Sementsov-Ogievskiy , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" This is useful in other files like blockdev.c to determine for example whether a node can be written to or not. Signed-off-by: Max Reitz Reviewed-by: Vladimir Sementsov-Ogievskiy --- include/block/block_int.h | 3 +++ block.c | 6 ++---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/include/block/block_int.h b/include/block/block_int.h index c0a05beec3..cfefb00104 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -1181,6 +1181,9 @@ void bdrv_root_unref_child(BdrvChild *child); int bdrv_child_try_set_perm(BdrvChild *c, uint64_t perm, uint64_t shared, Error **errp); =20 +void bdrv_get_cumulative_perm(BlockDriverState *bs, + uint64_t *perm, uint64_t *shared_perm); + /* Default implementation for BlockDriver.bdrv_child_perm() that can be us= ed by * block filters: Forward CONSISTENT_READ, WRITE, WRITE_UNCHANGED and RESI= ZE to * all children */ diff --git a/block.c b/block.c index 856d9b58be..59d1d4b2b1 100644 --- a/block.c +++ b/block.c @@ -1711,8 +1711,6 @@ static int bdrv_child_check_perm(BdrvChild *c, BlockR= eopenQueue *q, GSList *ignore_children, Error **errp); static void bdrv_child_abort_perm_update(BdrvChild *c); static void bdrv_child_set_perm(BdrvChild *c, uint64_t perm, uint64_t shar= ed); -static void bdrv_get_cumulative_perm(BlockDriverState *bs, uint64_t *perm, - uint64_t *shared_perm); =20 typedef struct BlockReopenQueueEntry { bool prepared; @@ -1904,8 +1902,8 @@ static void bdrv_set_perm(BlockDriverState *bs, uint6= 4_t cumulative_perms, } } =20 -static void bdrv_get_cumulative_perm(BlockDriverState *bs, uint64_t *perm, - uint64_t *shared_perm) +void bdrv_get_cumulative_perm(BlockDriverState *bs, + uint64_t *perm, uint64_t *shared_perm) { BdrvChild *c; uint64_t cumulative_perms =3D 0; --=20 2.21.0