Example #1
0
int
main(int argc, char *argv[])
{
	int	*pidlst;
	int	numchild = 1;	/* Number of children. Default 5 */
	int	i, fail_count = 0, failed = 0, total = 0;

	/* Options */
	sprintf(filename,"testdata-6.%ld", syscall(__NR_gettid));
	while ((i = getopt(argc, argv, "b:o:i:n:v:f:")) != -1) {
		switch(i) {
		case 'b':
			if ((bufsize = atoi(optarg)) <= 0) {
				fprintf(stderr, "bufsize must be > 0\n");
				prg_usage();
			}
			if (bufsize % 4096 != 0) {
				fprintf(stderr, "bufsize must be multiple of 4k\n");
				prg_usage();
			}
			break;
		case 'o':
			if ((offset = atoi(optarg)) <= 0) {
				fprintf(stderr, "offset must be > 0\n");
				prg_usage();
			}
			break;
		case 'i':
			if ((iter = atoi(optarg)) <= 0) {
				fprintf(stderr, "iterations must be > 0\n");
				prg_usage();
			}
			break;
		case 'n':
			if ((numchild = atoi(optarg)) <= 0) {
				fprintf(stderr, "no of children must be > 0\n");
				prg_usage();
			}
			break;
		case 'v':
			if ((nvector = atoi(optarg)) <= 0) {
				fprintf(stderr, "vectory array must be > 0\n");
				prg_usage();
			}
			break;
		case 'f':
			strcpy(filename, optarg);
			break;
		default:
			prg_usage();
		}
	}

	setup();

	/* Testblock-1: Read with Direct IO, Write without */
	if (forkchldrn(&pidlst, numchild, READ_DIRECT, child_function) < 0) {
		failed = TRUE;
		fail_count++;
		tst_resm (TFAIL, "Read with Direct IO, Write without");
	}
	else {
		if (waitchldrn(&pidlst, numchild) < 0) {
			failed = TRUE;
			fail_count++;
			tst_resm (TFAIL, "Read with Direct IO, Write without");
		}
		else
			tst_resm (TPASS, "Read with Direct IO, Write without");

	}
	unlink(filename);
	free(pidlst);
	total++;

	/* Testblock-2: Write with Direct IO, Read without */
	if (forkchldrn(&pidlst, numchild, WRITE_DIRECT, child_function) < 0) {
		failed = TRUE;
		fail_count++;
		tst_resm (TFAIL, "Write with Direct IO, Read without");
	}
	else {
		if (waitchldrn(&pidlst, numchild) < 0) {
			failed = TRUE;
			fail_count++;
			tst_resm (TFAIL, "Write with Direct IO, Read without");
		}
		else
			tst_resm (TPASS, "Write with Direct IO, Read without");
	}
	unlink(filename);
	free(pidlst);
	total++;

	/* Testblock-3: Read, Write with Direct IO. */
	if (forkchldrn(&pidlst, numchild, RDWR_DIRECT, child_function) < 0) {
		failed = TRUE;
		fail_count++;
		tst_resm (TFAIL, "Read, Write with Direct IO");
	}
	else {
		if (waitchldrn(&pidlst, numchild) < 0) {
			failed = TRUE;
			fail_count++;
			tst_resm (TFAIL, "Read, Write with Direct IO");
		}
		else
			tst_resm (TPASS, "Read, Write with Direct IO");
	}
	unlink(filename);
	free(pidlst);
	total++;

	if (failed)
		tst_resm(TINFO, "%d/%d testblocks failed",
			fail_count, total);
	else
		tst_resm(TINFO, "%d testblocks %d iterations with %d children completed",
			total, iter, numchild);
	cleanup();
	tst_exit();
}
Example #2
0
/* 校验读出的与写入的是否致 */
int main(int argc, char *argv[])
{
	int bufsize = BUFSIZE;	/* Buffer size. Default 8k */
	int numblks = NBLKS;	/* Number of blocks. Default 20 */
	char infile[LEN];	/* Input file. Default "infile" */
	char outfile[LEN];	/* Output file. Default "outfile" */
	int fd, fd1, fd2;
	int i, n, offset;
	char *buf;

	/* Options */
	strcpy(infile, "infile");	/* Default input file */
	strcpy(outfile, "outfile");	/* Default outfile file */
	while ((i = getopt(argc, argv, "b:n:i:o:")) != -1) {
		switch (i) {
		case 'b':
			if ((bufsize = atoi(optarg)) <= 0) {
				fprintf(stderr, "bufsize must be > 0\n");
				prg_usage();
			}
			if (bufsize % 4096 != 0) {
				fprintf(stderr,
					"bufsize must be multiple of 4k\n");
				prg_usage();
			}
			break;
		case 'n':
			if ((numblks = atoi(optarg)) <= 0) {
				fprintf(stderr, "numblks must be > 0\n");
				prg_usage();
			}
			break;
		case 'i':
			strcpy(infile, optarg);
			break;
		case 'o':
			strcpy(outfile, optarg);
			break;
		default:
			prg_usage();
		}
	}
	/* 检测系统是否支持O_DIRECT标志 */
	/* Test for filesystem support of O_DIRECT */
	if ((fd = open(infile, O_DIRECT | O_RDWR | O_CREAT, 0666)) < 0) {
		tst_brkm(TCONF,
			 NULL,
			 "O_DIRECT is not supported by this filesystem.");
	} else {
		close(fd);
	}
	/* 创建文件1 */
	/* Open files */
	if ((fd1 = open(infile, O_DIRECT | O_RDWR | O_CREAT, 0666)) < 0) {
		tst_brkm(TFAIL, NULL, "open infile failed: %s",
			 strerror(errno));
	}
	/* 创建文件2 */
	if ((fd2 = open(outfile, O_DIRECT | O_RDWR | O_CREAT, 0666)) < 0) {
		close(fd1);
		unlink(infile);
		tst_brkm(TFAIL, NULL, "open outfile failed: %s",
			 strerror(errno));
	}

	/* Allocate for buf, Create input file */
	if ((buf = valloc(bufsize)) == 0) {
		tst_resm(TFAIL, "valloc() failed: %s", strerror(errno));
		fail_clean(fd1, fd2, infile, outfile);
	}
	/* 将数据写入到文件1 */
	for (i = 0; i < numblks; i++) {
		fillbuf(buf, bufsize, (char)(i % 256));
		if (write(fd1, buf, bufsize) < 0) {
			tst_resm(TFAIL, "write infile failed: %s",
				 strerror(errno));
			fail_clean(fd1, fd2, infile, outfile);
		}
	}

	/* Copy infile to outfile using direct read and direct write */
	offset = 0;
	if (lseek(fd1, offset, SEEK_SET) < 0) {
		tst_resm(TFAIL, "lseek(infd) failed: %s", strerror(errno));
		fail_clean(fd1, fd2, infile, outfile);
	}
	/* 从文件1读取数据,并写入文件2 */
	while ((n = read(fd1, buf, bufsize)) > 0) {
		if (lseek(fd2, offset, SEEK_SET) < 0) {
			tst_resm(TFAIL, "lseek(outfd) failed: %s",
				 strerror(errno));
			fail_clean(fd1, fd2, infile, outfile);
		}
		if (write(fd2, buf, n) < n) {
			tst_resm(TFAIL, "write(outfd) failed: %s",
				 strerror(errno));
			fail_clean(fd1, fd2, infile, outfile);
		}
		offset += n;
		if (lseek(fd1, offset, SEEK_SET) < 0) {
			tst_resm(TFAIL, "lseek(infd) failed: %s",
				 strerror(errno));
			fail_clean(fd1, fd2, infile, outfile);
		}
	}
	/* 检测两文件的内容是否一致 */
	/* Verify */
	if (filecmp(infile, outfile) != 0) {
		tst_resm(TFAIL, "file compare failed for %s and %s",
			 infile, outfile);
		fail_clean(fd1, fd2, infile, outfile);
	}

	/* Cleanup */
	close(fd1);
	close(fd2);
	unlink(infile);
	unlink(outfile);
	tst_resm(TPASS, "Test passed");
	tst_exit();
}
Example #3
0
File: diotest5.c Project: kraj/ltp
int main(int argc, char *argv[])
{
	int i, action, fd_r, fd_w;
	int fail_count = 0, total = 0, failed = 0;

	/* Options */
	sprintf(filename, "testdata-5.%ld", syscall(__NR_gettid));
	while ((i = getopt(argc, argv, "b:o:i:v:f:")) != -1) {
		switch (i) {
		case 'b':
			if ((bufsize = atoi(optarg)) <= 0) {
				fprintf(stderr, "bufsize must be > 0");
				prg_usage();
			}
			if (bufsize % 4096 != 0) {
				fprintf(stderr, "bufsize must be > 0");
				prg_usage();
			}
			break;
		case 'o':
			if ((offset = atoll(optarg)) <= 0) {
				fprintf(stderr, "offset must be > 0");
				prg_usage();
			}
			break;
		case 'i':
			if ((iter = atoi(optarg)) <= 0) {
				fprintf(stderr, "iterations must be > 0");
				prg_usage();
			}
			break;
		case 'v':
			if ((nvector = atoi(optarg)) <= 0) {
				fprintf(stderr, "vector array must be > 0");
				prg_usage();
			}
			break;
		case 'f':
			strcpy(filename, optarg);
			break;
		default:
			prg_usage();
		}
	}

	setup();

	/* Testblock-1: Read with Direct IO, Write without */
	action = READ_DIRECT;
	if ((fd_w = open(filename, O_WRONLY | O_CREAT, 0666)) < 0) {
		tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
			 filename, strerror(errno));
	}
	if ((fd_r = open64(filename, O_DIRECT | O_RDONLY | O_CREAT, 0666)) < 0) {
		tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
			 filename, strerror(errno));
	}
	if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
		failed = TRUE;
		fail_count++;
		tst_resm(TFAIL, "Read with Direct IO, Write without");
	} else
		tst_resm(TPASS, "Read with Direct IO, Write without");

	unlink(filename);
	close(fd_r);
	close(fd_w);
	total++;

	/* Testblock-2: Write with Direct IO, Read without */
	action = WRITE_DIRECT;
	if ((fd_w = open(filename, O_DIRECT | O_WRONLY | O_CREAT, 0666)) < 0) {
		tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
			 filename, strerror(errno));
	}
	if ((fd_r = open64(filename, O_RDONLY | O_CREAT, 0666)) < 0) {
		tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
			 filename, strerror(errno));
	}
	if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
		failed = TRUE;
		fail_count++;
		tst_resm(TFAIL, "Write with Direct IO, Read without");
	} else
		tst_resm(TPASS, "Write with Direct IO, Read without");
	unlink(filename);
	close(fd_r);
	close(fd_w);
	total++;

	/* Testblock-3: Read, Write with Direct IO */
	action = RDWR_DIRECT;
	if ((fd_w = open(filename, O_DIRECT | O_WRONLY | O_CREAT, 0666)) < 0) {
		tst_brkm(TBROK, cleanup, "fd_w open failed for %s: %s",
			 filename, strerror(errno));
	}
	if ((fd_r = open64(filename, O_DIRECT | O_RDONLY | O_CREAT, 0666)) < 0) {
		tst_brkm(TBROK, cleanup, "fd_r open failed for %s: %s",
			 filename, strerror(errno));
	}
	if (runtest(fd_r, fd_w, iter, offset, action) < 0) {
		failed = TRUE;
		fail_count++;
		tst_resm(TFAIL, "Read, Write with Direct IO");
	} else
		tst_resm(TPASS, "Read, Write with Direct IO");
	unlink(filename);
	close(fd_r);
	close(fd_w);
	total++;

	if (failed)
		tst_resm(TINFO, "%d/%d testblocks failed", fail_count, total);
	else
		tst_resm(TINFO,
			 "%d testblocks %d iterations with %d vector array completed",
			 total, iter, nvector);

	cleanup();

	tst_exit();
}
Example #4
0
File: diotest4.c Project: kraj/ltp
int main(int argc, char *argv[])
{
	int fblocks = 1;	/* Iterations. Default 1 */
	int bufsize = BUFSIZE;
	int count, ret;
	int offset;
	int fd, newfd;
	int i, l_fail = 0, fail_count = 0, total = 0;
	int failed = 0;
	int shmsz = MMAP_GRANULARITY;
	int pagemask = ~(sysconf(_SC_PAGE_SIZE) - 1);
	char *buf0, *buf1, *buf2;
	caddr_t shm_base;

	/* Options */
	while ((i = getopt(argc, argv, "b:")) != -1) {
		switch (i) {
		case 'b':
			if ((fblocks = atoi(optarg)) <= 0) {
				fprintf(stderr, "fblocks must be > 0\n");
				prg_usage();
			}
			break;
		default:
			prg_usage();
		}
	}

	setup();

	/* Open file and fill, allocate for buffer */
	if ((fd = open(filename, O_DIRECT | O_RDWR | O_CREAT, 0666)) < 0) {
		tst_brkm(TBROK, cleanup, "open failed for %s: %s",
			 filename, strerror(errno));
	}
	if ((buf0 = valloc(bufsize)) == NULL) {
		tst_brkm(TBROK, cleanup, "valloc() buf0 failed: %s",
			 strerror(errno));
	}
	for (i = 1; i < fblocks; i++) {
		fillbuf(buf0, bufsize, (char)i);
		if (write(fd, buf0, bufsize) < 0) {
			tst_brkm(TBROK, cleanup, "write failed for %s: %s",
				 filename, strerror(errno));
		}
	}
	close(fd);
	if ((buf2 = valloc(bufsize)) == NULL) {
		tst_brkm(TBROK, cleanup, "valloc() buf2 failed: %s",
			 strerror(errno));
	}
	if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
		tst_brkm(TBROK, cleanup, "open failed for %s: %s",
			 filename, strerror(errno));
	}

	/* Test-1: Negative Offset */
	offset = -1;
	count = bufsize;
	errno = 0;
	ret = lseek(fd, offset, SEEK_SET);
	if ((ret >= 0) || (errno != EINVAL)) {
		tst_resm(TFAIL, "lseek allows negative offset. returns %d:%s",
			 ret, strerror(errno));
		failed = TRUE;
		fail_count++;
	} else
		tst_resm(TPASS, "Negative Offset");
	total++;

	/* Test-2: Removed */
	tst_resm(TPASS, "removed");

	/* Test-3: Odd count of read and write */
	offset = 0;
	count = 1;
	lseek(fd, 0, SEEK_SET);
	if (write(fd, buf2, 4096) == -1) {
		tst_resm(TFAIL, "can't write to file %d", ret);
	}
	switch (fs_type) {
	case TST_NFS_MAGIC:
	case TST_BTRFS_MAGIC:
		tst_resm(TCONF, "%s supports odd count IO",
			 tst_fs_type_name(fs_type));
	break;
	default:
		ret = runtest_f(fd, buf2, offset, count, EINVAL, 3, "odd count");
		testcheck_end(ret, &failed, &fail_count,
					"Odd count of read and write");
	}

	total++;

	/* Test-4: Read beyond the file size */
	offset = bufsize * (fblocks + 10);
	count = bufsize;
	if (lseek(fd, offset, SEEK_SET) < 0) {
		tst_resm(TFAIL, "lseek failed: %s", strerror(errno));
		failed = TRUE;
		fail_count++;
		tst_resm(TFAIL, "Read beyond the file size");
	} else {
		errno = 0;
		ret = read(fd, buf2, count);
		if (ret > 0 || (ret < 0 && errno != EINVAL)) {
			tst_resm(TFAIL,
				 "allows read beyond file size. returns %d: %s",
				 ret, strerror(errno));
			failed = TRUE;
			fail_count++;
		} else
			tst_resm(TPASS, "Read beyond the file size");
	}
	total++;

	/* Test-5: Invalid file descriptor */
	offset = 4096;
	count = bufsize;
	newfd = -1;
	ret = runtest_f(newfd, buf2, offset, count, EBADF, 5, "negative fd");
	testcheck_end(ret, &failed, &fail_count, "Invalid file descriptor");
	total++;

	/* Test-6: Out of range file descriptor */
	count = bufsize;
	offset = 4096;
	if ((newfd = getdtablesize()) < 0) {
		tst_resm(TFAIL, "getdtablesize() failed: %s", strerror(errno));
		failed = TRUE;
		tst_resm(TFAIL, "Out of range file descriptor");
	} else {
		ret = runtest_f(newfd, buf2, offset, count, EBADF, 6,
			      "out of range fd");
		testcheck_end(ret, &failed, &fail_count,
					"Out of range file descriptor");
	}
	close(newfd);
	total++;

	/* Test-7: Closed file descriptor */
	offset = 4096;
	count = bufsize;
	SAFE_CLOSE(cleanup, fd);
	ret = runtest_f(fd, buf2, offset, count, EBADF, 7, "closed fd");
	testcheck_end(ret, &failed, &fail_count, "Closed file descriptor");
	total++;

	/* Test-9: removed */
	tst_resm(TPASS, "removed");

	/* Test-9: Character device (/dev/null) read, write */
	offset = 0;
	count = bufsize;
	if ((newfd = open("/dev/null", O_DIRECT | O_RDWR)) < 0) {
		tst_resm(TCONF, "Direct I/O on /dev/null is not supported");
	} else {
		ret = runtest_s(newfd, buf2, offset, count, 9, "/dev/null");
		testcheck_end(ret, &failed, &fail_count,
					"character device read, write");
	}
	close(newfd);
	total++;

	/* Test-10: read, write to a mmaped file */
	shm_base = (char *)(((long)sbrk(0) + (shmsz - 1)) & ~(shmsz - 1));
	if (shm_base == NULL) {
		tst_brkm(TBROK, cleanup, "sbrk failed: %s", strerror(errno));
	}
	offset = 4096;
	count = bufsize;
	if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
		tst_brkm(TBROK, cleanup, "can't open %s: %s",
			 filename, strerror(errno));
	}
	shm_base = mmap(shm_base, 0x100000, PROT_READ | PROT_WRITE,
			MAP_SHARED | MAP_FIXED, fd, 0);
	if (shm_base == (caddr_t) - 1) {
		tst_brkm(TBROK, cleanup, "can't mmap file: %s",
			 strerror(errno));
	}
	ret = runtest_s(fd, buf2, offset, count, 10, "mmapped file");
	testcheck_end(ret, &failed, &fail_count,
				"read, write to a mmaped file");
	total++;

	/* Test-11: read, write to an unmaped file with munmap */
	if ((ret = munmap(shm_base, 0x100000)) < 0) {
		tst_brkm(TBROK, cleanup, "can't unmap file: %s",
			 strerror(errno));
	}
	ret = runtest_s(fd, buf2, offset, count, 11, "unmapped file");
	testcheck_end(ret, &failed, &fail_count,
				"read, write to an unmapped file");
	close(fd);
	total++;

	/* Test-12: read from file not open for reading */
	offset = 4096;
	count = bufsize;
	if ((fd = open(filename, O_DIRECT | O_WRONLY)) < 0) {
		tst_brkm(TBROK, cleanup, "can't open %s: %s",
			 filename, strerror(errno));
	}
	if (lseek(fd, offset, SEEK_SET) < 0) {
		tst_resm(TFAIL, "lseek failed: %s", strerror(errno));
		failed = TRUE;
		fail_count++;
	} else {
		errno = 0;
		ret = read(fd, buf2, count);
		if (ret >= 0 || errno != EBADF) {
			tst_resm(TFAIL,
				 "allows read on file not open for reading. returns %d: %s",
				 ret, strerror(errno));
			failed = TRUE;
			fail_count++;
		} else
			tst_resm(TPASS, "read from file not open for reading");
	}
	close(fd);
	total++;

	/* Test-13: write to file not open for writing */
	offset = 4096;
	count = bufsize;
	if ((fd = open(filename, O_DIRECT | O_RDONLY)) < 0) {
		tst_brkm(TBROK, cleanup, "can't open %s: %s",
			 filename, strerror(errno));
	}
	if (lseek(fd, offset, SEEK_SET) < 0) {
		tst_resm(TFAIL, "lseek failed: %s", strerror(errno));
		failed = TRUE;
		fail_count++;
	} else {
		errno = 0;
		ret = write(fd, buf2, count);
		if (ret >= 0 || errno != EBADF) {
			tst_resm(TFAIL,
				 "allows write on file not open for writing. returns %d: %s",
				 ret, strerror(errno));
			failed = TRUE;
			fail_count++;
		} else
			tst_resm(TPASS, "write to file not open for writing");
	}
	close(fd);
	total++;

	/* Test-14: read, write with non-aligned buffer */
	offset = 4096;
	count = bufsize;
	if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
		tst_brkm(TBROK, cleanup, "can't open %s: %s",
			 filename, strerror(errno));
	}
	switch (fs_type) {
	case TST_NFS_MAGIC:
	case TST_BTRFS_MAGIC:
		tst_resm(TCONF, "%s supports non-aligned buffer",
			 tst_fs_type_name(fs_type));
	break;
	default:
		ret = runtest_f(fd, buf2 + 1, offset, count, EINVAL, 14,
					" nonaligned buf");
		testcheck_end(ret, &failed, &fail_count,
				"read, write with non-aligned buffer");
	}
	close(fd);
	total++;

	/* Test-15: read, write buffer in read-only space */
	offset = 4096;
	count = bufsize;
	l_fail = 0;
	if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
		tst_brkm(TBROK, cleanup, "can't open %s: %s",
			 filename, strerror(errno));
	}
	if (lseek(fd, offset, SEEK_SET) < 0) {
		tst_resm(TFAIL, "lseek before read failed: %s",
			 strerror(errno));
		l_fail = TRUE;
	} else {
		errno = 0;
		ret = read(fd, (char *)((ulong) ADDRESS_OF_MAIN & pagemask),
			 count);
		if (ret >= 0 || errno != EFAULT) {
			tst_resm(TFAIL,
				 "read to read-only space. returns %d: %s", ret,
				 strerror(errno));
			l_fail = TRUE;
		}
	}
	if (lseek(fd, offset, SEEK_SET) < 0) {
		tst_resm(TFAIL, "lseek before write failed: %s",
			 strerror(errno));
		l_fail = TRUE;
	} else {
		ret = write(fd, (char *)((ulong) ADDRESS_OF_MAIN & pagemask),
			  count);
		if (ret < 0) {
			tst_resm(TFAIL,
				 "write to read-only space. returns %d: %s",
				 ret, strerror(errno));
			l_fail = TRUE;
		}
	}
	testcheck_end(l_fail, &failed, &fail_count,
				"read, write buffer in read-only space");
	close(fd);
	total++;

	/* Test-16: read, write in non-existant space */
	offset = 4096;
	count = bufsize;
	if ((buf1 =
	     (char *)(((long)sbrk(0) + (shmsz - 1)) & ~(shmsz - 1))) == NULL) {
		tst_brkm(TBROK | TERRNO, cleanup, "sbrk failed");
	}
	if ((fd = open(filename, O_DIRECT | O_RDWR)) < 0) {
		tst_brkm(TBROK | TERRNO, cleanup,
			 "open(%s, O_DIRECT|O_RDWR) failed", filename);
	}
	ret = runtest_f(fd, buf1, offset, count, EFAULT, 16,
		      " nonexistant space");
	testcheck_end(ret, &failed, &fail_count,
				"read, write in non-existant space");
	total++;
	close(fd);

	/* Test-17: read, write for file with O_SYNC */
	offset = 4096;
	count = bufsize;
	if ((fd = open(filename, O_DIRECT | O_RDWR | O_SYNC)) < 0) {
		tst_brkm(TBROK, cleanup,
			 "open(%s, O_DIRECT|O_RDWR|O_SYNC failed)", filename);
	}
	ret = runtest_s(fd, buf2, offset, count, 17, "opened with O_SYNC");
	testcheck_end(ret, &failed, &fail_count,
				"read, write for file with O_SYNC");
	total++;
	close(fd);

	unlink(filename);
	if (failed)
		tst_resm(TINFO, "%d/%d test blocks failed", fail_count, total);
	else
		tst_resm(TINFO, "%d testblocks completed", total);
	cleanup();

	tst_exit();
}