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test-bdrv-drain: AioContext switch in drained section 

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
master
Kevin Wolf 2019-02-08 13:18:49 +01:00
parent e64f25f30b
commit 247d273771
1 changed files with 32 additions and 0 deletions
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32
tests/test-bdrv-drain.c
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@ -1522,6 +1522,36 @@ static void test_append_to_drained(void)
blk_unref(blk);
}
static void test_set_aio_context(void)
{
BlockDriverState *bs;
IOThread *a = iothread_new();
IOThread *b = iothread_new();
AioContext *ctx_a = iothread_get_aio_context(a);
AioContext *ctx_b = iothread_get_aio_context(b);
bs = bdrv_new_open_driver(&bdrv_test, "test-node", BDRV_O_RDWR,
&error_abort);
bdrv_drained_begin(bs);
bdrv_set_aio_context(bs, ctx_a);
aio_context_acquire(ctx_a);
bdrv_drained_end(bs);
bdrv_drained_begin(bs);
bdrv_set_aio_context(bs, ctx_b);
aio_context_release(ctx_a);
aio_context_acquire(ctx_b);
bdrv_set_aio_context(bs, qemu_get_aio_context());
aio_context_release(ctx_b);
bdrv_drained_end(bs);
bdrv_unref(bs);
iothread_join(a);
iothread_join(b);
}
int main(int argc, char **argv)
{
int ret;
@ -1603,6 +1633,8 @@ int main(int argc, char **argv)
g_test_add_func("/bdrv-drain/attach/drain", test_append_to_drained);
g_test_add_func("/bdrv-drain/set_aio_context", test_set_aio_context);
ret = g_test_run();
qemu_event_destroy(&done_event);
return ret;