selftests/cachestat/test_cachestat.c

1 // SPDX-License-Identifier: GPL-2.0
32 	cs->nr_cache, cs->nr_dirty, cs->nr_writeback,  in print_cachestat()
33 	cs->nr_evicted, cs->nr_recently_evicted);  in print_cachestat()
44 		ksft_print_msg("Unable to access urandom.\n");  in write_exactly()
68 		remained -= read_len;  in write_exactly()
72 	/* write random data to fd */  in write_exactly()
79 			ksft_print_msg("Unable write random data to file.\n");  in write_exactly()
84 		remained -= write_len;  in write_exactly()
112  * Open/create the file at filename, (optionally) write random data to it
131 	if (fd == -1) {  in test_cachestat()
141 			ksft_print_msg("Unable to access urandom.\n");  in test_cachestat()
152 		ksft_print_msg("Cachestat returned non-zero.\n");  in test_cachestat()
189 				ksft_print_msg("Cachestat (after fsync) returned non-zero.\n");  in test_cachestat()
239 		ksft_print_msg("Cachestat returned non-zero.\n");  in test_cachestat_shmem()
263 	ret = syscall(__NR_cachestat, -1, NULL, NULL, 0);  in main()
264 	if (ret == -1 && errno == ENOSYS)  in main()
269 	if (ret == -1 && errno == EBADF) {  in main()