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selftests: cachestat: use proper syscall number macro

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At the moment the cachestat syscall number is hard coded into the test
source code.
Remove that and replace it with the proper __NR_cachestat macro.
That ensures compatibility should other architectures pick a different
number.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Andre Przywara
2023-08-15 16:56:11 +01:00
committed by Shuah Khan
parent 7fb10233e0
commit 9b1db73286
1 changed files with 3 additions and 4 deletions
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tools/testing/selftests/cachestat/test_cachestat.c
+3 -4
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@@ -19,7 +19,6 @@ static const char * const dev_files[] = {
"/dev/zero", "/dev/null", "/dev/urandom",
"/proc/version", "/proc"
};
static const int cachestat_nr = 451;
void print_cachestat(struct cachestat *cs)
{
@@ -126,7 +125,7 @@ bool test_cachestat(const char *filename, bool write_random, bool create,
}
}
syscall_ret = syscall(cachestat_nr, fd, &cs_range, &cs, 0);
syscall_ret = syscall(__NR_cachestat, fd, &cs_range, &cs, 0);
ksft_print_msg("Cachestat call returned %ld\n", syscall_ret);
@@ -152,7 +151,7 @@ bool test_cachestat(const char *filename, bool write_random, bool create,
ksft_print_msg("fsync fails.\n");
ret = false;
} else {
syscall_ret = syscall(cachestat_nr, fd, &cs_range, &cs, 0);
syscall_ret = syscall(__NR_cachestat, fd, &cs_range, &cs, 0);
ksft_print_msg("Cachestat call (after fsync) returned %ld\n",
syscall_ret);
@@ -213,7 +212,7 @@ bool test_cachestat_shmem(void)
goto close_fd;
}
syscall_ret = syscall(cachestat_nr, fd, &cs_range, &cs, 0);
syscall_ret = syscall(__NR_cachestat, fd, &cs_range, &cs, 0);
if (syscall_ret) {
ksft_print_msg("Cachestat returned non-zero.\n");