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Tue, 12 Oct 2021 04:50:36 -0400 X-MC-Unique: s41k3zhGP56s-aRBN6xqJw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5781518125C0; Tue, 12 Oct 2021 08:50:35 +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 28BF65C1B4; Tue, 12 Oct 2021 08:50:34 +0000 (UTC) From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Subject: [PATCH v3 20/25] block_int-common.h: assertion in the callers of BlockDriver function pointers Date: Tue, 12 Oct 2021 04:49:01 -0400 Message-Id: <20211012084906.2060507-21-eesposit@redhat.com> In-Reply-To: <20211012084906.2060507-1-eesposit@redhat.com> References: <20211012084906.2060507-1-eesposit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 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: 8bit Content-Type: text/plain; charset="US-ASCII" 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=-0.049, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Emanuele Giuseppe Esposito Reviewed-by: Stefan Hajnoczi --- block.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/block.c b/block.c index 94bff5c757..40c4729b8d 100644 --- a/block.c +++ b/block.c @@ -1074,6 +1074,7 @@ int refresh_total_sectors(BlockDriverState *bs, int64_t hint) static void bdrv_join_options(BlockDriverState *bs, QDict *options, QDict *old_options) { + assert(qemu_in_main_thread()); if (bs->drv && bs->drv->bdrv_join_options) { bs->drv->bdrv_join_options(options, old_options); } else { @@ -1566,6 +1567,7 @@ static int bdrv_open_driver(BlockDriverState *bs, BlockDriver *drv, { Error *local_err = NULL; int i, ret; + assert(qemu_in_main_thread()); bdrv_assign_node_name(bs, node_name, &local_err); if (local_err) { @@ -1955,6 +1957,8 @@ static int bdrv_fill_options(QDict **options, const char *filename, BlockDriver *drv = NULL; Error *local_err = NULL; + 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 @@ -2148,6 +2152,7 @@ static void bdrv_child_perm(BlockDriverState *bs, BlockDriverState *child_bs, uint64_t *nperm, uint64_t *nshared) { assert(bs->drv && bs->drv->bdrv_child_perm); + assert(qemu_in_main_thread()); bs->drv->bdrv_child_perm(bs, c, role, reopen_queue, parent_perm, parent_shared, nperm, nshared); @@ -2231,6 +2236,7 @@ static void bdrv_drv_set_perm_commit(void *opaque) { BlockDriverState *bs = opaque; uint64_t cumulative_perms, cumulative_shared_perms; + assert(qemu_in_main_thread()); if (bs->drv->bdrv_set_perm) { bdrv_get_cumulative_perm(bs, &cumulative_perms, @@ -2242,6 +2248,7 @@ static void bdrv_drv_set_perm_commit(void *opaque) static void bdrv_drv_set_perm_abort(void *opaque) { BlockDriverState *bs = opaque; + assert(qemu_in_main_thread()); if (bs->drv->bdrv_abort_perm_update) { bs->drv->bdrv_abort_perm_update(bs); @@ -2257,6 +2264,7 @@ static int bdrv_drv_set_perm(BlockDriverState *bs, uint64_t perm, uint64_t shared_perm, Transaction *tran, Error **errp) { + assert(qemu_in_main_thread()); if (!bs->drv) { return 0; } @@ -4221,6 +4229,7 @@ int bdrv_reopen_multiple(BlockReopenQueue *bs_queue, Error **errp) assert(qemu_get_current_aio_context() == qemu_get_aio_context()); assert(bs_queue != NULL); + assert(qemu_in_main_thread()); QTAILQ_FOREACH(bs_entry, bs_queue, entry) { ctx = bdrv_get_aio_context(bs_entry->state.bs); @@ -4484,6 +4493,7 @@ static int bdrv_reopen_prepare(BDRVReopenState *reopen_state, assert(reopen_state != NULL); assert(reopen_state->bs->drv != NULL); + assert(qemu_in_main_thread()); drv = reopen_state->bs->drv; /* This function and each driver's bdrv_reopen_prepare() remove @@ -4694,6 +4704,7 @@ static void bdrv_reopen_commit(BDRVReopenState *reopen_state) bs = reopen_state->bs; drv = bs->drv; assert(drv != NULL); + assert(qemu_in_main_thread()); /* If there are any driver level actions to take */ if (drv->bdrv_reopen_commit) { @@ -4735,6 +4746,7 @@ static void bdrv_reopen_abort(BDRVReopenState *reopen_state) assert(reopen_state != NULL); drv = reopen_state->bs->drv; assert(drv != NULL); + assert(qemu_in_main_thread()); if (drv->bdrv_reopen_abort) { drv->bdrv_reopen_abort(reopen_state); @@ -4748,6 +4760,7 @@ static void bdrv_close(BlockDriverState *bs) BdrvChild *child, *next; assert(!bs->refcnt); + assert(qemu_in_main_thread()); bdrv_drained_begin(bs); /* complete I/O */ bdrv_flush(bs); @@ -6499,6 +6512,8 @@ static int bdrv_inactivate_recurse(BlockDriverState *bs) int ret; uint64_t cumulative_perms, cumulative_shared_perms; + assert(qemu_in_main_thread()); + if (!bs->drv) { return -ENOMEDIUM; } @@ -7007,6 +7022,7 @@ static void bdrv_detach_aio_context(BlockDriverState *bs) BdrvAioNotifier *baf, *baf_tmp; assert(!bs->walking_aio_notifiers); + assert(qemu_in_main_thread()); bs->walking_aio_notifiers = true; QLIST_FOREACH_SAFE(baf, &bs->aio_notifiers, list, baf_tmp) { if (baf->deleted) { @@ -7034,6 +7050,7 @@ static void bdrv_attach_aio_context(BlockDriverState *bs, AioContext *new_context) { BdrvAioNotifier *ban, *ban_tmp; + assert(qemu_in_main_thread()); if (bs->quiesce_counter) { aio_disable_external(new_context); -- 2.27.0