diff options
author | Kevin Wolf <kwolf@redhat.com> | 2019-05-06 19:18:05 +0200 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2019-05-20 17:08:57 +0200 |
commit | 012056f48d2669685e8695561602f852b0d34ff0 (patch) | |
tree | be24805d9a44159a27ec1263edb2b7b7420c30df /tests | |
parent | 657e1203203ccb48cb041ecb3f1799bec8349744 (diff) |
test-block-iothread: Test AioContext propagation for block jobs
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r-- | tests/test-block-iothread.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tests/test-block-iothread.c b/tests/test-block-iothread.c index 938831c9bd..59f692892e 100644 --- a/tests/test-block-iothread.c +++ b/tests/test-block-iothread.c @@ -588,6 +588,76 @@ static void test_propagate_diamond(void) bdrv_unref(bs_a); } +static void test_propagate_mirror(void) +{ + IOThread *iothread = iothread_new(); + AioContext *ctx = iothread_get_aio_context(iothread); + AioContext *main_ctx = qemu_get_aio_context(); + BlockDriverState *src, *target; + BlockBackend *blk; + Job *job; + Error *local_err = NULL; + + /* Create src and target*/ + src = bdrv_new_open_driver(&bdrv_test, "src", BDRV_O_RDWR, &error_abort); + target = bdrv_new_open_driver(&bdrv_test, "target", BDRV_O_RDWR, + &error_abort); + + /* Start a mirror job */ + mirror_start("job0", src, target, NULL, JOB_DEFAULT, 0, 0, 0, + MIRROR_SYNC_MODE_NONE, MIRROR_OPEN_BACKING_CHAIN, + BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT, + false, "filter_node", MIRROR_COPY_MODE_BACKGROUND, + &error_abort); + job = job_get("job0"); + + /* Change the AioContext of src */ + bdrv_try_set_aio_context(src, ctx, &error_abort); + g_assert(bdrv_get_aio_context(src) == ctx); + g_assert(bdrv_get_aio_context(target) == ctx); + g_assert(job->aio_context == ctx); + + /* Change the AioContext of target */ + aio_context_acquire(ctx); + bdrv_try_set_aio_context(target, main_ctx, &error_abort); + aio_context_release(ctx); + g_assert(bdrv_get_aio_context(src) == main_ctx); + g_assert(bdrv_get_aio_context(target) == main_ctx); + + /* With a BlockBackend on src, changing target must fail */ + blk = blk_new(0, BLK_PERM_ALL); + blk_insert_bs(blk, src, &error_abort); + + bdrv_try_set_aio_context(target, ctx, &local_err); + g_assert(local_err); + error_free(local_err); + + g_assert(blk_get_aio_context(blk) == main_ctx); + g_assert(bdrv_get_aio_context(src) == main_ctx); + g_assert(bdrv_get_aio_context(target) == main_ctx); + + /* ...unless we explicitly allow it */ + aio_context_acquire(ctx); + blk_set_allow_aio_context_change(blk, true); + bdrv_try_set_aio_context(target, ctx, &error_abort); + aio_context_release(ctx); + + g_assert(blk_get_aio_context(blk) == ctx); + g_assert(bdrv_get_aio_context(src) == ctx); + g_assert(bdrv_get_aio_context(target) == ctx); + + job_cancel_sync_all(); + + aio_context_acquire(ctx); + blk_set_aio_context(blk, main_ctx); + bdrv_try_set_aio_context(target, main_ctx, &error_abort); + aio_context_release(ctx); + + blk_unref(blk); + bdrv_unref(src); + bdrv_unref(target); +} + int main(int argc, char **argv) { int i; @@ -605,6 +675,7 @@ int main(int argc, char **argv) g_test_add_func("/attach/blockjob", test_attach_blockjob); 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); return g_test_run(); } |