diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-06-09 12:46:54 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-09 09:13:17 -0600 |
| commit | ee551425c1d25ed1d7febf673df75cc1222fc4ee (patch) | |
| tree | 24b99225f0999237063cb71f71c26053d5852ee8 | |
| parent | 9ef0e54099230ac7d3a44820f8431ddb87688f30 (diff) | |
| download | liburing-ee551425c1d25ed1d7febf673df75cc1222fc4ee.tar.gz | |
tests: update reg-buf limits testing
We now allow more fixed buffers to be registered, update tests from the
previous UIO_MAXIOV limit to something that will definitely fail.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | test/io_uring_register.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/test/io_uring_register.c b/test/io_uring_register.c index cf6987c..53e3987 100644 --- a/test/io_uring_register.c +++ b/test/io_uring_register.c @@ -280,12 +280,16 @@ int test_iovec_nr(int fd) { int i, ret, status = 0; - unsigned int nr = UIO_MAXIOV + 1; + unsigned int nr = 1000000; struct iovec *iovs; void *buf; + iovs = malloc(nr * sizeof(struct iovec)); + if (!iovs) { + fprintf(stdout, "can't allocate iovecs, skip\n"); + return 0; + } buf = t_malloc(pagesize); - iovs = t_malloc(nr * sizeof(struct iovec)); for (i = 0; i < nr; i++) { iovs[i].iov_base = buf; @@ -295,7 +299,7 @@ test_iovec_nr(int fd) status |= expect_fail(fd, IORING_REGISTER_BUFFERS, iovs, nr, EINVAL); /* reduce to UIO_MAXIOV */ - nr--; + nr = UIO_MAXIOV; printf("io_uring_register(%d, %u, %p, %u)\n", fd, IORING_REGISTER_BUFFERS, iovs, nr); ret = __sys_io_uring_register(fd, IORING_REGISTER_BUFFERS, iovs, nr); |