Re: [RFC PATCH liburing v1 4/4] test/io_uring_{enter,setup,register}: Use the exported syscall functions

From: Caleb Sander
Date: Mon Aug 29 2022 - 15:59:06 EST

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In reply to: Ammar Faizi: "[RFC PATCH liburing v1 4/4] test/io_uring_{enter,setup,register}: Use the exported syscall functions"
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Reviewed-by: Caleb Sander <csander@xxxxxxxxxxxxxxx>

On Sun, Aug 28, 2022 at 8:08 PM Ammar Faizi <ammarfaizi2@xxxxxxxxxxx> wrote:
>
> From: Ammar Faizi <ammarfaizi2@xxxxxxxxxxx>
>
> These tests use the internal definition of __sys_io_uring* functions.
> A previous commit exported new functions that do the same thing with
> those __sys_io_uring* functions. Test the exported functions instead of
> the internal functions.
>
> No functional change is intended.
>
> Cc: Caleb Sander <csander@xxxxxxxxxxxxxxx>
> Signed-off-by: Ammar Faizi <ammarfaizi2@xxxxxxxxxxx>
> ---
> test/io_uring_enter.c | 10 +++++-----
> test/io_uring_register.c | 34 ++++++++++++++++------------------
> test/io_uring_setup.c | 4 ++--
> 3 files changed, 23 insertions(+), 25 deletions(-)
>
> diff --git a/test/io_uring_enter.c b/test/io_uring_enter.c
> index 67cc8c5..ecd54ff 100644
> --- a/test/io_uring_enter.c
> +++ b/test/io_uring_enter.c
> @@ -38,7 +38,7 @@ static int expect_fail(int fd, unsigned int to_submit,
> {
> int ret;
>
> - ret = __sys_io_uring_enter(fd, to_submit, min_complete, flags, sig);
> + ret = io_uring_enter(fd, to_submit, min_complete, flags, sig);
> if (ret >= 0) {
> fprintf(stderr, "expected %s, but call succeeded\n", strerror(-error));
> return 1;
> @@ -62,7 +62,7 @@ static int try_io_uring_enter(int fd, unsigned int to_submit,
> return expect_fail(fd, to_submit, min_complete, flags, sig,
> expect);
>
> - ret = __sys_io_uring_enter(fd, to_submit, min_complete, flags, sig);
> + ret = io_uring_enter(fd, to_submit, min_complete, flags, sig);
> if (ret != expect) {
> fprintf(stderr, "Expected %d, got %d\n", expect, ret);
> return 1;
> @@ -211,8 +211,8 @@ int main(int argc, char **argv)
> /* fill the sq ring */
> sq_entries = ring.sq.ring_entries;
> submit_io(&ring, sq_entries);
> - ret = __sys_io_uring_enter(ring.ring_fd, 0, sq_entries,
> - IORING_ENTER_GETEVENTS, NULL);
> + ret = io_uring_enter(ring.ring_fd, 0, sq_entries,
> + IORING_ENTER_GETEVENTS, NULL);
> if (ret < 0) {
> fprintf(stderr, "io_uring_enter: %s\n", strerror(-ret));
> status = 1;
> @@ -246,7 +246,7 @@ int main(int argc, char **argv)
> */
> io_uring_smp_store_release(sq->ktail, ktail);
>
> - ret = __sys_io_uring_enter(ring.ring_fd, 1, 0, 0, NULL);
> + ret = io_uring_enter(ring.ring_fd, 1, 0, 0, NULL);
> /* now check to see if our sqe was dropped */
> if (*sq->kdropped == dropped) {
> fprintf(stderr, "dropped counter did not increase\n");
> diff --git a/test/io_uring_register.c b/test/io_uring_register.c
> index 4609354..dd4af7c 100644
> --- a/test/io_uring_register.c
> +++ b/test/io_uring_register.c
> @@ -36,17 +36,17 @@ static int expect_fail(int fd, unsigned int opcode, void *arg,
> {
> int ret;
>
> - ret = __sys_io_uring_register(fd, opcode, arg, nr_args);
> + ret = io_uring_register(fd, opcode, arg, nr_args);
> if (ret >= 0) {
> int ret2 = 0;
>
> fprintf(stderr, "expected %s, but call succeeded\n", strerror(error));
> if (opcode == IORING_REGISTER_BUFFERS) {
> - ret2 = __sys_io_uring_register(fd,
> - IORING_UNREGISTER_BUFFERS, 0, 0);
> + ret2 = io_uring_register(fd, IORING_UNREGISTER_BUFFERS,
> + 0, 0);
> } else if (opcode == IORING_REGISTER_FILES) {
> - ret2 = __sys_io_uring_register(fd,
> - IORING_UNREGISTER_FILES, 0, 0);
> + ret2 = io_uring_register(fd, IORING_UNREGISTER_FILES, 0,
> + 0);
> }
> if (ret2) {
> fprintf(stderr, "internal error: failed to unregister\n");
> @@ -66,7 +66,7 @@ static int new_io_uring(int entries, struct io_uring_params *p)
> {
> int fd;
>
> - fd = __sys_io_uring_setup(entries, p);
> + fd = io_uring_setup(entries, p);
> if (fd < 0) {
> perror("io_uring_setup");
> exit(1);
> @@ -186,15 +186,14 @@ static int test_max_fds(int uring_fd)
> */
> nr_fds = UINT_MAX;
> while (nr_fds) {
> - ret = __sys_io_uring_register(uring_fd, IORING_REGISTER_FILES,
> - fd_as, nr_fds);
> + ret = io_uring_register(uring_fd, IORING_REGISTER_FILES, fd_as,
> + nr_fds);
> if (ret != 0) {
> nr_fds /= 2;
> continue;
> }
> status = 0;
> - ret = __sys_io_uring_register(uring_fd, IORING_UNREGISTER_FILES,
> - 0, 0);
> + ret = io_uring_register(uring_fd, IORING_UNREGISTER_FILES, 0, 0);
> if (ret < 0) {
> ret = errno;
> errno = ret;
> @@ -230,7 +229,7 @@ static int test_memlock_exceeded(int fd)
> iov.iov_base = buf;
>
> while (iov.iov_len) {
> - ret = __sys_io_uring_register(fd, IORING_REGISTER_BUFFERS, &iov, 1);
> + ret = io_uring_register(fd, IORING_REGISTER_BUFFERS, &iov, 1);
> if (ret < 0) {
> if (errno == ENOMEM) {
> iov.iov_len /= 2;
> @@ -244,8 +243,7 @@ static int test_memlock_exceeded(int fd)
> free(buf);
> return 1;
> }
> - ret = __sys_io_uring_register(fd, IORING_UNREGISTER_BUFFERS,
> - NULL, 0);
> + ret = io_uring_register(fd, IORING_UNREGISTER_BUFFERS, NULL, 0);
> if (ret != 0) {
> fprintf(stderr, "error: unregister failed with %d\n", errno);
> free(buf);
> @@ -283,14 +281,14 @@ static int test_iovec_nr(int fd)
>
> /* reduce to UIO_MAXIOV */
> nr = UIO_MAXIOV;
> - ret = __sys_io_uring_register(fd, IORING_REGISTER_BUFFERS, iovs, nr);
> + ret = io_uring_register(fd, IORING_REGISTER_BUFFERS, iovs, nr);
> if (ret && (errno == ENOMEM || errno == EPERM) && geteuid()) {
> fprintf(stderr, "can't register large iovec for regular users, skip\n");
> } else if (ret != 0) {
> fprintf(stderr, "expected success, got %d\n", errno);
> status = 1;
> } else {
> - __sys_io_uring_register(fd, IORING_UNREGISTER_BUFFERS, 0, 0);
> + io_uring_register(fd, IORING_UNREGISTER_BUFFERS, 0, 0);
> }
> free(buf);
> free(iovs);
> @@ -344,7 +342,7 @@ static int test_iovec_size(int fd)
> */
> iov.iov_base = buf;
> iov.iov_len = 2*1024*1024;
> - ret = __sys_io_uring_register(fd, IORING_REGISTER_BUFFERS, &iov, 1);
> + ret = io_uring_register(fd, IORING_REGISTER_BUFFERS, &iov, 1);
> if (ret < 0) {
> if (ret == -ENOMEM)
> printf("Unable to test registering of a huge "
> @@ -356,8 +354,8 @@ static int test_iovec_size(int fd)
> status = 1;
> }
> } else {
> - ret = __sys_io_uring_register(fd,
> - IORING_UNREGISTER_BUFFERS, 0, 0);
> + ret = io_uring_register(fd, IORING_UNREGISTER_BUFFERS,
> + 0, 0);
> if (ret < 0) {
> fprintf(stderr, "io_uring_unregister: %s\n",
> strerror(-ret));
> diff --git a/test/io_uring_setup.c b/test/io_uring_setup.c
> index 67d5f4f..d945421 100644
> --- a/test/io_uring_setup.c
> +++ b/test/io_uring_setup.c
> @@ -102,7 +102,7 @@ try_io_uring_setup(unsigned entries, struct io_uring_params *p, int expect)
> {
> int ret;
>
> - ret = __sys_io_uring_setup(entries, p);
> + ret = io_uring_setup(entries, p);
> if (ret != expect) {
> fprintf(stderr, "expected %d, got %d\n", expect, ret);
> /* if we got a valid uring, close it */
> @@ -164,7 +164,7 @@ main(int argc, char **argv)
>
> /* read/write on io_uring_fd */
> memset(&p, 0, sizeof(p));
> - fd = __sys_io_uring_setup(1, &p);
> + fd = io_uring_setup(1, &p);
> if (fd < 0) {
> fprintf(stderr, "io_uring_setup failed with %d, expected success\n",
> -fd);
> --
> Ammar Faizi
>

Next message: John Hubbard: "Re: [PATCH 5/6] NFS: direct-io: convert to FOLL_PIN pages"
Previous message: Paul E. McKenney: "Re: [PATCH v4 00/14] Implement call_rcu_lazy() and miscellaneous fixes"
In reply to: Ammar Faizi: "[RFC PATCH liburing v1 4/4] test/io_uring_{enter,setup,register}: Use the exported syscall functions"
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