From nobody Sat Nov 15 15:41:01 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 1751283164006430.9085643719101; Mon, 30 Jun 2025 04:32:44 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uWCjL-000614-8t; Mon, 30 Jun 2025 07:31:23 -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 1uWCiz-0005uC-Ml; Mon, 30 Jun 2025 07:31:02 -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 1uWCio-0004kI-Bu; Mon, 30 Jun 2025 07:31:00 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id CAAD9441F2; Mon, 30 Jun 2025 13:30:39 +0200 (CEST) From: Fiona Ebner To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, kwolf@redhat.com, hreitz@redhat.com, stefanha@redhat.com, fam@euphon.net Subject: [PATCH 1/4] include/block/block_int-common: document when resize callback is used Date: Mon, 30 Jun 2025 13:27:30 +0200 Message-ID: <20250630113035.820557-2-f.ebner@proxmox.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250630113035.820557-1-f.ebner@proxmox.com> References: <20250630113035.820557-1-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: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.237, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=no 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: 1751283164693116600 Content-Type: text/plain; charset="utf-8" The 'resize' callback is only called by bdrv_parent_cb_resize() which is only called by bdrv_co_write_req_finish() to notify the parent(s) that the child was resized. Signed-off-by: Fiona Ebner Reviewed-by: Hanna Czenczek --- include/block/block_int-common.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/block/block_int-common.h b/include/block/block_int-com= mon.h index 925a3e7353..692a9696d1 100644 --- a/include/block/block_int-common.h +++ b/include/block/block_int-common.h @@ -1020,6 +1020,9 @@ struct BdrvChildClass { * the I/O API. */ =20 + /* + * Notifies the parent that the child was resized. + */ void (*resize)(BdrvChild *child); =20 /* --=20 2.47.2