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bh=v7P/Er3NhvYRD8jT+ncCy1keyNvHZkk8aDC4PF3V9Cs=; b=DmZkg4xQM1K7GE6Xvl2PbxYh877xbfEc0oCtybLSU6AEA7FzrLK36khwkfJs/3yuD6u2lc uUmfGJz5U3cAVOtFFzu3y7+jpoxkCl5AHE7tWFrCHzkna8RlUFAkJG5uh/MzQjEMNi+86A QVeidPsqQzj76fMvErk8JGwCHtOFsQk= X-MC-Unique: UeICTbuIMf6uUmnbPSCm3A-1 From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, richard.henderson@linaro.org, qemu-devel@nongnu.org Subject: [PULL 03/23] test-block-iothread: Lock AioContext for blk_insert_bs() Date: Wed, 28 Jun 2023 16:15:06 +0200 Message-ID: <20230628141526.293104-4-kwolf@redhat.com> In-Reply-To: <20230628141526.293104-1-kwolf@redhat.com> References: <20230628141526.293104-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 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=170.10.129.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1687961926777100003 Content-Type: text/plain; charset="utf-8" blk_insert_bs() requires that callers hold the AioContext lock for the node that should be inserted. Take it. Signed-off-by: Kevin Wolf Message-ID: <20230605085711.21261-4-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- tests/unit/test-block-iothread.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothr= ead.c index f081c09729..d727a5fee8 100644 --- a/tests/unit/test-block-iothread.c +++ b/tests/unit/test-block-iothread.c @@ -825,6 +825,7 @@ static void test_attach_second_node(void) BlockDriverState *bs, *filter; QDict *options; =20 + aio_context_acquire(main_ctx); blk =3D blk_new(ctx, BLK_PERM_ALL, BLK_PERM_ALL); bs =3D bdrv_new_open_driver(&bdrv_test, "base", BDRV_O_RDWR, &error_ab= ort); blk_insert_bs(blk, bs, &error_abort); @@ -833,7 +834,6 @@ static void test_attach_second_node(void) qdict_put_str(options, "driver", "raw"); qdict_put_str(options, "file", "base"); =20 - aio_context_acquire(main_ctx); filter =3D bdrv_open(NULL, NULL, options, BDRV_O_RDWR, &error_abort); aio_context_release(main_ctx); =20 @@ -857,9 +857,11 @@ static void test_attach_preserve_blk_ctx(void) { IOThread *iothread =3D iothread_new(); AioContext *ctx =3D iothread_get_aio_context(iothread); + AioContext *main_ctx =3D qemu_get_aio_context(); BlockBackend *blk; BlockDriverState *bs; =20 + aio_context_acquire(main_ctx); blk =3D blk_new(ctx, BLK_PERM_ALL, BLK_PERM_ALL); bs =3D bdrv_new_open_driver(&bdrv_test, "base", BDRV_O_RDWR, &error_ab= ort); bs->total_sectors =3D 65536 / BDRV_SECTOR_SIZE; @@ -868,6 +870,7 @@ static void test_attach_preserve_blk_ctx(void) 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); + aio_context_release(main_ctx); =20 /* Remove the node again */ aio_context_acquire(ctx); @@ -877,7 +880,9 @@ static void test_attach_preserve_blk_ctx(void) g_assert(bdrv_get_aio_context(bs) =3D=3D qemu_get_aio_context()); =20 /* Re-attach the node */ + aio_context_acquire(main_ctx); blk_insert_bs(blk, bs, &error_abort); + aio_context_release(main_ctx); g_assert(blk_get_aio_context(blk) =3D=3D ctx); g_assert(bdrv_get_aio_context(bs) =3D=3D ctx); =20 --=20 2.41.0