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=-7.0 required=3.0 tests=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 6495EC282E1 for ; Thu, 23 May 2019 16:18:36 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3C15C217D4 for ; Thu, 23 May 2019 16:18:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C15C217D4 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 ([127.0.0.1]:40183 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hTqQN-0002AX-Gx for qemu-devel@archiver.kernel.org; Thu, 23 May 2019 12:18:35 -0400 Received: from eggs.gnu.org ([209.51.188.92]:60556) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hTqAU-0004hh-B6 for qemu-devel@nongnu.org; Thu, 23 May 2019 12:02:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hTqAT-0002F9-A6 for qemu-devel@nongnu.org; Thu, 23 May 2019 12:02:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33362) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hTqAP-0001nJ-I4; Thu, 23 May 2019 12:02:05 -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 mx1.redhat.com (Postfix) with ESMTPS id D7138C070E3A; Thu, 23 May 2019 16:01:30 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-116-143.ams2.redhat.com [10.36.116.143]) by smtp.corp.redhat.com (Postfix) with ESMTP id C549C1001F5B; Thu, 23 May 2019 16:01:29 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Thu, 23 May 2019 18:00:57 +0200 Message-Id: <20190523160104.21258-9-kwolf@redhat.com> In-Reply-To: <20190523160104.21258-1-kwolf@redhat.com> References: <20190523160104.21258-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 23 May 2019 16:01:30 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 08/15] test-block-iothread: BlockBackend AioContext across root node change X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Test that BlockBackends preserve their assigned AioContext even when the root node goes away. Inserting a new root node will move it to the right AioContext. Signed-off-by: Kevin Wolf --- tests/test-block-iothread.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/tests/test-block-iothread.c b/tests/test-block-iothread.c index 38f59999ab..f41082e3bd 100644 --- a/tests/test-block-iothread.c +++ b/tests/test-block-iothread.c @@ -695,6 +695,38 @@ static void test_attach_second_node(void) blk_unref(blk); } =20 +static void test_attach_preserve_blk_ctx(void) +{ + IOThread *iothread =3D iothread_new(); + AioContext *ctx =3D iothread_get_aio_context(iothread); + BlockBackend *blk; + BlockDriverState *bs; + + blk =3D blk_new(ctx, BLK_PERM_ALL, BLK_PERM_ALL); + bs =3D bdrv_new_open_driver(&bdrv_test, "base", BDRV_O_RDWR, &error_= abort); + bs->total_sectors =3D 65536 / BDRV_SECTOR_SIZE; + + /* Add node to BlockBackend that has an iothread context assigned */ + blk_insert_bs(blk, bs, &error_abort); + g_assert(blk_get_aio_context(blk) =3D=3D ctx); + g_assert(bdrv_get_aio_context(bs) =3D=3D ctx); + + /* Remove the node again */ + blk_remove_bs(blk); + /* TODO bs should move back to main context here */ + g_assert(blk_get_aio_context(blk) =3D=3D ctx); + g_assert(bdrv_get_aio_context(bs) =3D=3D ctx); + + /* Re-attach the node */ + blk_insert_bs(blk, bs, &error_abort); + g_assert(blk_get_aio_context(blk) =3D=3D ctx); + g_assert(bdrv_get_aio_context(bs) =3D=3D ctx); + + blk_set_aio_context(blk, qemu_get_aio_context(), &error_abort); + bdrv_unref(bs); + blk_unref(blk); +} + int main(int argc, char **argv) { int i; @@ -711,6 +743,7 @@ int main(int argc, char **argv) =20 g_test_add_func("/attach/blockjob", test_attach_blockjob); g_test_add_func("/attach/second_node", test_attach_second_node); + g_test_add_func("/attach/preserve_blk_ctx", test_attach_preserve_blk= _ctx); g_test_add_func("/propagate/basic", test_propagate_basic); g_test_add_func("/propagate/diamond", test_propagate_diamond); g_test_add_func("/propagate/mirror", test_propagate_mirror); --=20 2.20.1