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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: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2019-04-24 17:49:33 +02:00
parent 132ada80c4
commit 48946d7d64
1 changed files with 33 additions and 0 deletions
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33
tests/test-block-iothread.c
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@ -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);