From nobody Mon Feb 9 09:33:12 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1633445704937531.8039864684265; Tue, 5 Oct 2021 07:55:04 -0700 (PDT) Received: from localhost ([::1]:33550 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mXlqR-0005b4-QO for importer@patchew.org; Tue, 05 Oct 2021 10:55:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53702) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mXlXo-00044K-FO for qemu-devel@nongnu.org; Tue, 05 Oct 2021 10:35:48 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:49182) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mXlXm-0005OF-EM for qemu-devel@nongnu.org; Tue, 05 Oct 2021 10:35:48 -0400 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-170-AnTwjP4uM-Wvrim2fo0PEQ-1; Tue, 05 Oct 2021 10:35:43 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 50261802935; Tue, 5 Oct 2021 14:35:42 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 205811042AAA; Tue, 5 Oct 2021 14:35:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633444545; 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=XegxrQvMqE5LLG+rOEGYDsoO0LTAKgfA2zllJ1BTf3M=; b=bb5gCxhFOA2Z4it56oSXfOP7HIbV+yB7HAbsbBG0GwXgHcdu55XC53Nwbwy2DrqPypDY3/ ITddq5LbByFAdoXA8LkSYEUhtgtX2vqX1+ptCw6VtVge0OiwYDk3kseZlSSTgTMmiGkqZh hbJZceDGN6GG7hLUI4a0K05IPLY4Zac= X-MC-Unique: AnTwjP4uM-Wvrim2fo0PEQ-1 From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Subject: [RFC PATCH v2 20/25] block_int-common.h: assertion in the callers of BlockDriver function pointers Date: Tue, 5 Oct 2021 10:32:10 -0400 Message-Id: <20211005143215.29500-21-eesposit@redhat.com> In-Reply-To: <20211005143215.29500-1-eesposit@redhat.com> References: <20211005143215.29500-1-eesposit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eesposit@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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=170.10.133.124; envelope-from=eesposit@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=-0.066, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , Vladimir Sementsov-Ogievskiy , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost , Juan Quintela , qemu-devel@nongnu.org, John Snow , Emanuele Giuseppe Esposito , Richard Henderson , Markus Armbruster , "Dr. David Alan Gilbert" , Hanna Reitz , Stefan Hajnoczi , Paolo Bonzini , Eric Blake Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1633445705436100003 Content-Type: text/plain; charset="utf-8" Signed-off-by: Emanuele Giuseppe Esposito Reviewed-by: Stefan Hajnoczi --- block.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/block.c b/block.c index 7d1eb847a4..a921066d4d 100644 --- a/block.c +++ b/block.c @@ -1069,6 +1069,7 @@ int refresh_total_sectors(BlockDriverState *bs, int64= _t hint) static void bdrv_join_options(BlockDriverState *bs, QDict *options, QDict *old_options) { + g_assert(qemu_in_main_thread()); if (bs->drv && bs->drv->bdrv_join_options) { bs->drv->bdrv_join_options(options, old_options); } else { @@ -1561,6 +1562,7 @@ static int bdrv_open_driver(BlockDriverState *bs, Blo= ckDriver *drv, { Error *local_err =3D NULL; int i, ret; + g_assert(qemu_in_main_thread()); =20 bdrv_assign_node_name(bs, node_name, &local_err); if (local_err) { @@ -1932,6 +1934,8 @@ static int bdrv_fill_options(QDict **options, const c= har *filename, BlockDriver *drv =3D NULL; Error *local_err =3D NULL; =20 + g_assert(qemu_in_main_thread()); + /* * Caution: while qdict_get_try_str() is fine, getting non-string * types would require more care. When @options come from @@ -2125,6 +2129,7 @@ static void bdrv_child_perm(BlockDriverState *bs, Blo= ckDriverState *child_bs, uint64_t *nperm, uint64_t *nshared) { assert(bs->drv && bs->drv->bdrv_child_perm); + g_assert(qemu_in_main_thread()); bs->drv->bdrv_child_perm(bs, c, role, reopen_queue, parent_perm, parent_shared, nperm, nshared); @@ -2208,6 +2213,7 @@ static void bdrv_drv_set_perm_commit(void *opaque) { BlockDriverState *bs =3D opaque; uint64_t cumulative_perms, cumulative_shared_perms; + g_assert(qemu_in_main_thread()); =20 if (bs->drv->bdrv_set_perm) { bdrv_get_cumulative_perm(bs, &cumulative_perms, @@ -2219,6 +2225,7 @@ static void bdrv_drv_set_perm_commit(void *opaque) static void bdrv_drv_set_perm_abort(void *opaque) { BlockDriverState *bs =3D opaque; + g_assert(qemu_in_main_thread()); =20 if (bs->drv->bdrv_abort_perm_update) { bs->drv->bdrv_abort_perm_update(bs); @@ -2234,6 +2241,7 @@ static int bdrv_drv_set_perm(BlockDriverState *bs, ui= nt64_t perm, uint64_t shared_perm, Transaction *tran, Error **errp) { + g_assert(qemu_in_main_thread()); if (!bs->drv) { return 0; } @@ -4198,6 +4206,7 @@ int bdrv_reopen_multiple(BlockReopenQueue *bs_queue, = Error **errp) =20 assert(qemu_get_current_aio_context() =3D=3D qemu_get_aio_context()); assert(bs_queue !=3D NULL); + g_assert(qemu_in_main_thread()); =20 QTAILQ_FOREACH(bs_entry, bs_queue, entry) { ctx =3D bdrv_get_aio_context(bs_entry->state.bs); @@ -4461,6 +4470,7 @@ static int bdrv_reopen_prepare(BDRVReopenState *reope= n_state, =20 assert(reopen_state !=3D NULL); assert(reopen_state->bs->drv !=3D NULL); + g_assert(qemu_in_main_thread()); drv =3D reopen_state->bs->drv; =20 /* This function and each driver's bdrv_reopen_prepare() remove @@ -4671,6 +4681,7 @@ static void bdrv_reopen_commit(BDRVReopenState *reope= n_state) bs =3D reopen_state->bs; drv =3D bs->drv; assert(drv !=3D NULL); + g_assert(qemu_in_main_thread()); =20 /* If there are any driver level actions to take */ if (drv->bdrv_reopen_commit) { @@ -4712,6 +4723,7 @@ static void bdrv_reopen_abort(BDRVReopenState *reopen= _state) assert(reopen_state !=3D NULL); drv =3D reopen_state->bs->drv; assert(drv !=3D NULL); + g_assert(qemu_in_main_thread()); =20 if (drv->bdrv_reopen_abort) { drv->bdrv_reopen_abort(reopen_state); @@ -4725,6 +4737,7 @@ static void bdrv_close(BlockDriverState *bs) BdrvChild *child, *next; =20 assert(!bs->refcnt); + g_assert(qemu_in_main_thread()); =20 bdrv_drained_begin(bs); /* complete I/O */ bdrv_flush(bs); @@ -6409,6 +6422,7 @@ static int bdrv_inactivate_recurse(BlockDriverState *= bs) { BdrvChild *child, *parent; int ret; + g_assert(qemu_in_main_thread()); =20 if (!bs->drv) { return -ENOMEDIUM; @@ -6911,6 +6925,7 @@ static void bdrv_detach_aio_context(BlockDriverState = *bs) BdrvAioNotifier *baf, *baf_tmp; =20 assert(!bs->walking_aio_notifiers); + g_assert(qemu_in_main_thread()); bs->walking_aio_notifiers =3D true; QLIST_FOREACH_SAFE(baf, &bs->aio_notifiers, list, baf_tmp) { if (baf->deleted) { @@ -6938,6 +6953,7 @@ static void bdrv_attach_aio_context(BlockDriverState = *bs, AioContext *new_context) { BdrvAioNotifier *ban, *ban_tmp; + g_assert(qemu_in_main_thread()); =20 if (bs->quiesce_counter) { aio_disable_external(new_context); --=20 2.27.0