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Date: Tue, 8 May 2018 11:38:39 +0200
From: Anders Roxell <anders.roxell@...aro.org>
To: Shuah Khan <shuah@...nel.org>,
David Herrmann <dh.herrmann@...il.com>
Cc: linux-kselftest@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Anders Roxell <anders.roxell@...aro.org>
Subject: Re: [PATCH] selftests/memfd: move common code into common.c
On 17 April 2018 at 10:59, Anders Roxell <anders.roxell@...aro.org> wrote:
> Remove code duplication, in the current code, we move common code for
> memfd to common.c.
>
> The duplicate functions got added in commit 87b2d44026e0 ("selftests:
> add memfd/sealing page-pinning tests")
>
> Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
> ---
> tools/testing/selftests/memfd/common.c | 37 +++++++++++++++++++
> tools/testing/selftests/memfd/common.h | 4 ++
> tools/testing/selftests/memfd/fuse_test.c | 43 +---------------------
> tools/testing/selftests/memfd/memfd_test.c | 37 -------------------
> 4 files changed, 43 insertions(+), 78 deletions(-)
>
> diff --git a/tools/testing/selftests/memfd/common.c b/tools/testing/selftests/memfd/common.c
> index 8eb3d75f6e60..fee1f07828a3 100644
> --- a/tools/testing/selftests/memfd/common.c
> +++ b/tools/testing/selftests/memfd/common.c
> @@ -44,3 +44,40 @@ int sys_memfd_create(const char *name, unsigned int flags)
>
> return syscall(__NR_memfd_create, name, flags);
> }
> +
> +unsigned int mfd_assert_get_seals(int fd)
> +{
> + int r;
> +
> + r = fcntl(fd, F_GET_SEALS);
> + if (r < 0) {
> + printf("GET_SEALS(%d) failed: %m\n", fd);
> + abort();
> + }
> +
> + return (unsigned int)r;
> +}
> +
> +void mfd_assert_add_seals(int fd, unsigned int seals)
> +{
> + int r;
> + unsigned int s;
> +
> + s = mfd_assert_get_seals(fd);
> + r = fcntl(fd, F_ADD_SEALS, seals);
> + if (r < 0) {
> + printf("ADD_SEALS(%d, %u -> %u) failed: %m\n", fd, s, seals);
> + abort();
> + }
> +}
> +
> +void mfd_assert_has_seals(int fd, unsigned int seals)
> +{
> + unsigned int s;
> +
> + s = mfd_assert_get_seals(fd);
> + if (s != seals) {
> + printf("%u != %u = GET_SEALS(%d)\n", seals, s, fd);
> + abort();
> + }
> +}
> diff --git a/tools/testing/selftests/memfd/common.h b/tools/testing/selftests/memfd/common.h
> index 522d2c630bd8..5c778d15e8c7 100644
> --- a/tools/testing/selftests/memfd/common.h
> +++ b/tools/testing/selftests/memfd/common.h
> @@ -6,4 +6,8 @@ extern int hugetlbfs_test;
> unsigned long default_huge_page_size(void);
> int sys_memfd_create(const char *name, unsigned int flags);
>
> +void mfd_assert_add_seals(int fd, unsigned int seals);
> +void mfd_assert_has_seals(int fd, unsigned int seals);
> +unsigned int mfd_assert_get_seals(int fd);
> +
> #endif
> diff --git a/tools/testing/selftests/memfd/fuse_test.c b/tools/testing/selftests/memfd/fuse_test.c
> index b018e835737d..231714615861 100644
> --- a/tools/testing/selftests/memfd/fuse_test.c
> +++ b/tools/testing/selftests/memfd/fuse_test.c
> @@ -60,49 +60,10 @@ static int mfd_assert_new(const char *name, loff_t sz, unsigned int flags)
> return fd;
> }
>
> -static __u64 mfd_assert_get_seals(int fd)
> +static int mfd_busy_add_seals(int fd, unsigned int seals)
> {
> long r;
> -
> - r = fcntl(fd, F_GET_SEALS);
> - if (r < 0) {
> - printf("GET_SEALS(%d) failed: %m\n", fd);
> - abort();
> - }
> -
> - return r;
> -}
> -
> -static void mfd_assert_has_seals(int fd, __u64 seals)
> -{
> - __u64 s;
> -
> - s = mfd_assert_get_seals(fd);
> - if (s != seals) {
> - printf("%llu != %llu = GET_SEALS(%d)\n",
> - (unsigned long long)seals, (unsigned long long)s, fd);
> - abort();
> - }
> -}
> -
> -static void mfd_assert_add_seals(int fd, __u64 seals)
> -{
> - long r;
> - __u64 s;
> -
> - s = mfd_assert_get_seals(fd);
> - r = fcntl(fd, F_ADD_SEALS, seals);
> - if (r < 0) {
> - printf("ADD_SEALS(%d, %llu -> %llu) failed: %m\n",
> - fd, (unsigned long long)s, (unsigned long long)seals);
> - abort();
> - }
> -}
> -
> -static int mfd_busy_add_seals(int fd, __u64 seals)
> -{
> - long r;
> - __u64 s;
> + unsigned int s;
>
> r = fcntl(fd, F_GET_SEALS);
> if (r < 0)
> diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c
> index 10baa1652fc2..527789de69b5 100644
> --- a/tools/testing/selftests/memfd/memfd_test.c
> +++ b/tools/testing/selftests/memfd/memfd_test.c
> @@ -67,43 +67,6 @@ static void mfd_fail_new(const char *name, unsigned int flags)
> }
> }
>
> -static unsigned int mfd_assert_get_seals(int fd)
> -{
> - int r;
> -
> - r = fcntl(fd, F_GET_SEALS);
> - if (r < 0) {
> - printf("GET_SEALS(%d) failed: %m\n", fd);
> - abort();
> - }
> -
> - return (unsigned int)r;
> -}
> -
> -static void mfd_assert_has_seals(int fd, unsigned int seals)
> -{
> - unsigned int s;
> -
> - s = mfd_assert_get_seals(fd);
> - if (s != seals) {
> - printf("%u != %u = GET_SEALS(%d)\n", seals, s, fd);
> - abort();
> - }
> -}
> -
> -static void mfd_assert_add_seals(int fd, unsigned int seals)
> -{
> - int r;
> - unsigned int s;
> -
> - s = mfd_assert_get_seals(fd);
> - r = fcntl(fd, F_ADD_SEALS, seals);
> - if (r < 0) {
> - printf("ADD_SEALS(%d, %u -> %u) failed: %m\n", fd, s, seals);
> - abort();
> - }
> -}
> -
> static void mfd_fail_add_seals(int fd, unsigned int seals)
> {
> int r;
> --
> 2.17.0
>
Ping.
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