From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69DFCC10DCE for ; Fri, 6 Mar 2020 17:17:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 359A12051A for ; Fri, 6 Mar 2020 17:17:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OFxM2mlT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 359A12051A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:39746 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jAGbB-0007Yp-Cu for qemu-devel@archiver.kernel.org; Fri, 06 Mar 2020 12:17:21 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48330) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jAGZD-0004h2-68 for qemu-devel@nongnu.org; Fri, 06 Mar 2020 12:15:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jAGZC-0007I2-6I for qemu-devel@nongnu.org; Fri, 06 Mar 2020 12:15:19 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:26418 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jAGZC-0007Fa-30 for qemu-devel@nongnu.org; Fri, 06 Mar 2020 12:15:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1583514917; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ufqkwBBJxhlrM4CdXSrri08cBhDgmuBGZ+/JGrVUiPE=; b=OFxM2mlTlmwTp4lVNrzDM74KsLrESYZpExmFFVqcu1QRF5ul1oVCWNoEqJyaepLtYHidZh r8ZUMOfXmio+1z05xCOkVAOpLezcDoTXk7CxLwWXSgETZB9IhgKgXFusEfbWNhAJDMbrfE 9dmQNpdVu4YKT9CYDzRXx7jfyO63CcI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-203-nMatS8S4Psuy3DzG2B6qvw-1; Fri, 06 Mar 2020 12:15:13 -0500 X-MC-Unique: nMatS8S4Psuy3DzG2B6qvw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 48EC9107ACC7; Fri, 6 Mar 2020 17:15:12 +0000 (UTC) Received: from linux.fritz.box.com (unknown [10.36.118.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4B9C473892; Fri, 6 Mar 2020 17:15:11 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PULL 05/29] block: Introduce 'bdrv_reopen_commit_post' step Date: Fri, 6 Mar 2020 18:14:34 +0100 Message-Id: <20200306171458.1848-6-kwolf@redhat.com> In-Reply-To: <20200306171458.1848-1-kwolf@redhat.com> References: <20200306171458.1848-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Peter Krempa Add another step in the reopen process where driver can execute code after permission changes are comitted. Signed-off-by: Peter Krempa Message-Id: Signed-off-by: Kevin Wolf --- include/block/block_int.h | 1 + block.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/include/block/block_int.h b/include/block/block_int.h index 6f9fd5e20e..f422c0bff0 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -122,6 +122,7 @@ struct BlockDriver { int (*bdrv_reopen_prepare)(BDRVReopenState *reopen_state, BlockReopenQueue *queue, Error **errp); void (*bdrv_reopen_commit)(BDRVReopenState *reopen_state); + void (*bdrv_reopen_commit_post)(BDRVReopenState *reopen_state); void (*bdrv_reopen_abort)(BDRVReopenState *reopen_state); void (*bdrv_join_options)(QDict *options, QDict *old_options); =20 diff --git a/block.c b/block.c index 876bd45182..aaa387504e 100644 --- a/block.c +++ b/block.c @@ -3695,6 +3695,15 @@ cleanup_perm: } } } + + if (ret =3D=3D 0) { + QTAILQ_FOREACH_REVERSE(bs_entry, bs_queue, entry) { + BlockDriverState *bs =3D bs_entry->state.bs; + + if (bs->drv->bdrv_reopen_commit_post) + bs->drv->bdrv_reopen_commit_post(&bs_entry->state); + } + } cleanup: QTAILQ_FOREACH_SAFE(bs_entry, bs_queue, entry, next) { if (ret) { --=20 2.20.1