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From ed61540140ae22f897f15846a359dc11a0a0b027 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Fri, 1 Mar 2019 14:27:46 +0100
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Subject: [PATCH 4/9] test-bdrv-drain: AioContext switch in drained section
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <20190301142747.12251-5-kwolf@redhat.com>
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Patchwork-id: 84766
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O-Subject: [RHEL-7.7 qemu-kvm-rhev PATCH 4/5] test-bdrv-drain: AioContext switch in drained section
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Bugzilla: 1671173
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 247d2737715833525725d27e5cecf5840c62f900)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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tests/test-bdrv-drain.c | 32 ++++++++++++++++++++++++++++++++
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1 file changed, 32 insertions(+)
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diff --git a/tests/test-bdrv-drain.c b/tests/test-bdrv-drain.c
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index 8641b54..05c6f12 100644
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--- a/tests/test-bdrv-drain.c
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+++ b/tests/test-bdrv-drain.c
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@@ -1521,6 +1521,36 @@ static void test_append_to_drained(void)
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blk_unref(blk);
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}
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+static void test_set_aio_context(void)
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+{
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+ BlockDriverState *bs;
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+ IOThread *a = iothread_new();
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+ IOThread *b = iothread_new();
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+ AioContext *ctx_a = iothread_get_aio_context(a);
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+ AioContext *ctx_b = iothread_get_aio_context(b);
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+
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+ bs = bdrv_new_open_driver(&bdrv_test, "test-node", BDRV_O_RDWR,
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+ &error_abort);
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+
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+ bdrv_drained_begin(bs);
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+ bdrv_set_aio_context(bs, ctx_a);
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+
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+ aio_context_acquire(ctx_a);
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+ bdrv_drained_end(bs);
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+
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+ bdrv_drained_begin(bs);
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+ bdrv_set_aio_context(bs, ctx_b);
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+ aio_context_release(ctx_a);
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+ aio_context_acquire(ctx_b);
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+ bdrv_set_aio_context(bs, qemu_get_aio_context());
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+ aio_context_release(ctx_b);
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+ bdrv_drained_end(bs);
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+
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+ bdrv_unref(bs);
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+ iothread_join(a);
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+ iothread_join(b);
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+}
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+
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int main(int argc, char **argv)
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{
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int ret;
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@@ -1602,6 +1632,8 @@ int main(int argc, char **argv)
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g_test_add_func("/bdrv-drain/attach/drain", test_append_to_drained);
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+ g_test_add_func("/bdrv-drain/set_aio_context", test_set_aio_context);
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+
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ret = g_test_run();
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qemu_event_destroy(&done_event);
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return ret;
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--
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1.8.3.1
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