Commit 48946d7d authored by Kevin Wolf's avatar Kevin Wolf
Browse files

test-block-iothread: Test adding parent to iothread node



Opening a new parent node for a node that has already been moved into a
different AioContext must cause the new parent to move into the same
context.

Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 132ada80
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+33 −0
Original line number Diff line number Diff line
@@ -663,6 +663,38 @@ static void test_propagate_mirror(void)
    bdrv_unref(target);
}

static void test_attach_second_node(void)
{
    IOThread *iothread = iothread_new();
    AioContext *ctx = iothread_get_aio_context(iothread);
    AioContext *main_ctx = qemu_get_aio_context();
    BlockBackend *blk;
    BlockDriverState *bs, *filter;
    QDict *options;

    blk = blk_new(ctx, BLK_PERM_ALL, BLK_PERM_ALL);
    bs = bdrv_new_open_driver(&bdrv_test, "base", BDRV_O_RDWR, &error_abort);
    blk_insert_bs(blk, bs, &error_abort);

    options = qdict_new();
    qdict_put_str(options, "driver", "raw");
    qdict_put_str(options, "file", "base");

    filter = bdrv_open(NULL, NULL, options, BDRV_O_RDWR, &error_abort);
    g_assert(blk_get_aio_context(blk) == ctx);
    g_assert(bdrv_get_aio_context(bs) == ctx);
    g_assert(bdrv_get_aio_context(filter) == ctx);

    blk_set_aio_context(blk, main_ctx, &error_abort);
    g_assert(blk_get_aio_context(blk) == main_ctx);
    g_assert(bdrv_get_aio_context(bs) == main_ctx);
    g_assert(bdrv_get_aio_context(filter) == main_ctx);

    bdrv_unref(filter);
    bdrv_unref(bs);
    blk_unref(blk);
}

int main(int argc, char **argv)
{
    int i;
@@ -678,6 +710,7 @@ int main(int argc, char **argv)
    }

    g_test_add_func("/attach/blockjob", test_attach_blockjob);
    g_test_add_func("/attach/second_node", test_attach_second_node);
    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);