From nobody Sat Nov 15 22:33:48 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1747737100943990.1266836874189; Tue, 20 May 2025 03:31:40 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uHKFD-0007oc-C5; Tue, 20 May 2025 06:30:47 -0400 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 1uHKEt-0006mv-50; Tue, 20 May 2025 06:30:27 -0400 Received: from proxmox-new.maurer-it.com ([94.136.29.106]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uHKEr-00051K-Ai; Tue, 20 May 2025 06:30:26 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id AEB0543B18; Tue, 20 May 2025 12:30:18 +0200 (CEST) From: Fiona Ebner To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, kwolf@redhat.com, den@virtuozzo.com, andrey.drobyshev@virtuozzo.com, hreitz@redhat.com, stefanha@redhat.com, eblake@redhat.com, jsnow@redhat.com, vsementsov@yandex-team.ru, xiechanglong.d@gmail.com, wencongyang2@huawei.com, berto@igalia.com, fam@euphon.net, ari@tuxera.com Subject: [PATCH v2 07/24] block: mark bdrv_child_change_aio_context() GRAPH_RDLOCK Date: Tue, 20 May 2025 12:29:55 +0200 Message-Id: <20250520103012.424311-8-f.ebner@proxmox.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250520103012.424311-1-f.ebner@proxmox.com> References: <20250520103012.424311-1-f.ebner@proxmox.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=94.136.29.106; envelope-from=f.ebner@proxmox.com; helo=proxmox-new.maurer-it.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1747737103119116600 Content-Type: text/plain; charset="utf-8" This is a small step in preparation to mark bdrv_drained_begin() as GRAPH_UNLOCKED. More concretely, it is in preparatoin to move the drain out of bdrv_change_aio_context() and marking that function as GRAPH_RDLOCK. Signed-off-by: Fiona Ebner Reviewed-by: Kevin Wolf --- New in v2. include/block/block-global-state.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/include/block/block-global-state.h b/include/block/block-globa= l-state.h index 9be34b3c99..aad160956a 100644 --- a/include/block/block-global-state.h +++ b/include/block/block-global-state.h @@ -274,9 +274,10 @@ int bdrv_debug_remove_breakpoint(BlockDriverState *bs,= const char *tag); int bdrv_debug_resume(BlockDriverState *bs, const char *tag); bool bdrv_debug_is_suspended(BlockDriverState *bs, const char *tag); =20 -bool bdrv_child_change_aio_context(BdrvChild *c, AioContext *ctx, - GHashTable *visited, Transaction *tran, - Error **errp); +bool GRAPH_RDLOCK +bdrv_child_change_aio_context(BdrvChild *c, AioContext *ctx, + GHashTable *visited, Transaction *tran, + Error **errp); int bdrv_try_change_aio_context(BlockDriverState *bs, AioContext *ctx, BdrvChild *ignore_child, Error **errp); =20 --=20 2.39.5