Commit 9b1db732 authored by Andre Przywara's avatar Andre Przywara Committed by Shuah Khan
Browse files

selftests: cachestat: use proper syscall number macro 



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: default avatarAndre Przywara <andre.przywara@arm.com>
Reviewed-by: default avatarNhat Pham <nphamcs@gmail.com>
Signed-off-by: default avatarShuah Khan <skhan@linuxfoundation.org>
parent 7fb10233

tools/testing/selftests/cachestat/test_cachestat.c

+3 −4
Original line number Diff line number Diff line
@@ -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");