diotest3.c revision 0bdbaa31acb9640b8ac63f17e5af999a124519d3
1bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew/* 2bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 3bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * Copyright (c) International Business Machines Corp., 2002 4bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 5bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * This program is free software; you can redistribute it and/or modify 6bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * it under the terms of the GNU General Public License as published by 7bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * the Free Software Foundation; either version 2 of the License, or 8bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * (at your option) any later version. 9bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 10bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * This program is distributed in the hope that it will be useful, 11bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * but WITHOUT ANY WARRANTY; without even the implied warranty of 12bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * the GNU General Public License for more details. 14bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 15bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * You should have received a copy of the GNU General Public License 16bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * along with this program; if not, write to the Free Software 17bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew */ 19bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 20bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 21bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew/* 22bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * NAME 23bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * diotest3.c 24bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 25bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * DESCRIPTION 26bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * Fork given number of children. Each child opens the same file, but 27bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * uses its own file descriptiors. The child does writes and reads from 28bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * its segment in the file. The segment to which the child writes is 29bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * determined by childnumber * bufsize. There is no need to use any locks. 30bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * Program tests the combinations of buffered/buffered read(), write() 31bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * calls. 32bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * Test blocks: 33bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * [1] Direct Read, Buffered write 34bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * [2] Direct Write, Buffered read 35bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * [3] Direct Read, Direct Write 36bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 37bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * USAGE 38bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * diotest3 [-b bufsize] [-o offset] [-n numchild] 39bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * [-i iterations [-f filename] 40bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 41bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * History 42bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 04/22/2002 Narasimha Sharoff nsharoff@us.ibm.com 43bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 44bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * RESTRICTIONS 45bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * None 46bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew*/ 47bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 48bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <stdio.h> 49bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <stdlib.h> 50bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <unistd.h> 51bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <string.h> 52bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <sys/file.h> 53bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <sys/fcntl.h> 54b48651d2444c180f7db691b11a56cc6d57444d10mridge#include <sys/syscall.h> 55bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <errno.h> 56bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 57f7dc1be5b85cd32072dcae2db569bf11d115f27frobbiew#include "diotest_routines.h" 58f7dc1be5b85cd32072dcae2db569bf11d115f27frobbiew 5996f4bb38da69c681481f337d099ee4b6cdbba102robbiew#include "test.h" 6096f4bb38da69c681481f337d099ee4b6cdbba102robbiew#include "usctest.h" 6196f4bb38da69c681481f337d099ee4b6cdbba102robbiew 6292b688b8340e2424643c5d33dcacfbb109529402robbiewchar *TCID="diotest03"; /* Test program identifier. */ 6392b688b8340e2424643c5d33dcacfbb109529402robbiewint TST_TOTAL=3; /* Total number of test conditions */ 648680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew 6596f4bb38da69c681481f337d099ee4b6cdbba102robbiew#ifdef O_DIRECT 6696f4bb38da69c681481f337d099ee4b6cdbba102robbiew 67bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define BUFSIZE 4096 68bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define TRUE 1 69bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define LEN 30 70bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define READ_DIRECT 1 71bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define WRITE_DIRECT 2 72bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define RDWR_DIRECT 3 73bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 74bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewstatic int iter = 100; /* Iterations. Default 100 */ 75bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewstatic int bufsize = BUFSIZE; /* Buffersize. Default 4k */ 76bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewstatic int offset = 0; /* Offset. Default 0 */ 77bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewstatic char filename[LEN]; 78bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 79bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew/* 80bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * prg_usage: display the program usage 81bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew*/ 82bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewvoid 83bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewprg_usage() 84bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew{ 85bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "Usage: diotest3 [-b bufsize] [-o offset] [-n numchild] [-i iterations] [-f filename]\n"); 86bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew exit(1); 87bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew} 88bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 89bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew/* 908c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew * runtest: write the data to the file. Read the data from the file and compare. 918c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew * For each iteration, write data starting at offse+iter*bufsize 928c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew * location in the file and read from there. 938c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew*/ 948c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiewint 958c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiewruntest(int fd_r, int fd_w, int childnum, int action) 968c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew{ 978c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew char *buf1; 988c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew char *buf2; 998c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew off_t seekoff; 1008c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew int bufsize = BUFSIZE; 1018c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew int i; 1028c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew 1038c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew /* Allocate for buffers */ 1048c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew seekoff = offset+bufsize * childnum; 1058c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if ((buf1 = valloc(bufsize)) == 0) { 1060bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "valloc() buf1 failed: %s", strerror(errno)); 1078c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(-1); 1088c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1098c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if ((buf2 = valloc(bufsize)) == 0) { 1100bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "valloc() buf2 failed: %s", strerror(errno)); 1118c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(-1); 1128c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1138c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew 1148c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew /* seek, write, read and verify */ 1158c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew for (i = 0; i < iter; i++) { 1168c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew fillbuf(buf1, bufsize, childnum+i); 1178c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (lseek(fd_w, seekoff, SEEK_SET) < 0) { 1180bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "lseek before write failed: %s", 1198c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew strerror(errno)); 1208c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(-1); 1218c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1228c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (write(fd_w, buf1, bufsize) < bufsize) { 1230bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "write failed: %s", strerror(errno)); 1248c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(-1); 1258c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1268c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (action == READ_DIRECT) { 1278c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew /* Make sure data is on to disk before read */ 1288c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (fsync(fd_w) < 0) { 1290bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fsync failed: %s", 1308c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew strerror(errno)); 1318c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(-1); 1328c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1338c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1348c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (lseek(fd_r, seekoff, SEEK_SET) < 0) { 1350bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "lseek before read failed: %s", 1368c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew strerror(errno)); 1378c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(-1); 1388c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1398c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (read(fd_r, buf2, bufsize) < bufsize) { 1400bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "read failed: %s", strerror(errno)); 1418c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(-1); 1428c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1438c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (bufcmp(buf1, buf2, bufsize) != 0) { 1440bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "comparsion failed. Child=%d offset=%d", 1458c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew childnum, (int)seekoff); 1468c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(-1); 1478c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1488c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1498c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew return(0); 1508c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew} 1518c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew 1528c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew/* 153bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * child_function: open the file for read and write. Call the runtest routine. 154bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew*/ 155bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewint 156bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewchild_function(int childnum, int action) 157bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew{ 158bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew int fd_w, fd_r; 159bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 160bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew switch(action) { 161bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case READ_DIRECT: 162bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((fd_w = open(filename, O_WRONLY|O_CREAT, 0666)) < 0) { 1630bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_w open failed for %s: %s", 164bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew filename, strerror(errno)); 165bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 166bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 167bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((fd_r = open(filename, O_DIRECT|O_RDONLY, 0666)) < 0) { 1680bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_r open failed for %s: %s", 169bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew filename, strerror(errno)); 170bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 171bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 172bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 173bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (runtest(fd_r, fd_w, childnum, action) == -1) { 1740bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "Read Direct-child %d failed", 175bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew childnum); 176bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 177bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_r); 178bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 179bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 180bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 181bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case WRITE_DIRECT: 182bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((fd_w = open(filename, O_DIRECT|O_WRONLY|O_CREAT, 0666)) < 0) { 1830bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_w open failed for %s: %s", 184bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew filename, strerror(errno)); 185bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 186bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 187bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((fd_r = open(filename, O_RDONLY, 0666)) < 0) { 1880bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_r open failed for %s: %s", 189bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew filename, strerror(errno)); 190bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 191bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 192bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 193bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (runtest(fd_r, fd_w, childnum, action) == -1) { 1940bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "Write Direct-child %d failed", 195bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew childnum); 196bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 197bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_r); 198bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 199bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 200bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 201bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case RDWR_DIRECT: 202bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((fd_w = open(filename, O_DIRECT|O_WRONLY|O_CREAT, 0666)) < 0) { 2030bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_w open failed for %s: %s", 204bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew filename, strerror(errno)); 205bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 206bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 207bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((fd_r = open(filename, O_DIRECT|O_RDONLY, 0666)) < 0) { 2080bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_r open failed for %s: %s", 209bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew filename, strerror(errno)); 210bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 211bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 212bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 213bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (runtest(fd_r, fd_w, childnum, action) == -1) { 2140bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "RDWR Direct-child %d failed", 215bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew childnum); 216bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 217bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_r); 218bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 219bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 220bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 221bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew default: 222bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr,"Invalid Action Value\n"); 223bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew return(-1); 224bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 225bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 226bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_r); 227bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew exit(0); 228bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew} 229bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 230bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 231bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewint 232bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiewmain(int argc, char *argv[]) 233bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew{ 234bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew int *pidlst; 235bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew int numchild = 1; /* Number of children. Default 5 */ 236bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew int i, fail_count = 0, failed = 0, total = 0; 2378680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew int fd1; 238bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 239bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew /* Options */ 240bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew while ((i = getopt(argc, argv, "b:o:i:n:f:")) != -1) { 241bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew switch(i) { 242bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'b': 243bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((bufsize = atoi(optarg)) <= 0) { 244bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "bufsize must be > 0\n"); 245bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 246bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 247bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (bufsize % 4096 != 0) { 248bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "bufsize must be multiple of 4k\n"); 249bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 250bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 251bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 252bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'o': 253bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((offset = atoi(optarg)) <= 0) { 254bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "offset must be > 0\n"); 255bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 256bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 257bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 258bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'i': 259bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((iter = atoi(optarg)) <= 0) { 260bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "iterations must be > 0\n"); 261bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 262bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 263bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 264bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'n': 265bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((numchild = atoi(optarg)) <= 0) { 266bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "no of children must be > 0\n"); 267bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 268bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 269bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 270bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'f': 271bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew strcpy(filename, optarg); 272bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 273bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew default: 274bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 275bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 276bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 277b48651d2444c180f7db691b11a56cc6d57444d10mridge sprintf(filename,"testdata-3.%ld", syscall(__NR_gettid)); 278bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 2798680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew /* Test for filesystem support of O_DIRECT */ 2801d62fa90625b0f9026fef31fa202a8617ddf16ddrobbiew if ((fd1 = open(filename, O_DIRECT|O_CREAT, 0666)) < 0) { 2818680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew tst_resm(TCONF,"O_DIRECT is not supported by this filesystem."); 2828680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew tst_exit(); 2838680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew }else{ 2848680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew close(fd1); 2858680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew } 2868680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew 2878680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew 288bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew /* Testblock-1: Read with Direct IO, Write without */ 289bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (forkchldrn(&pidlst, numchild, READ_DIRECT, child_function) < 0 ) { 290bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 291bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 29292b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TFAIL, "Read with Direct IO, Write without"); 293bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 294bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew else { 295bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (waitchldrn(&pidlst, numchild) < 0) { 296bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 297bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 29892b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TFAIL, "Read with Direct IO, Write without"); 299bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 30092b688b8340e2424643c5d33dcacfbb109529402robbiew else 30192b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TPASS, "Read with Direct IO, Write without"); 30292b688b8340e2424643c5d33dcacfbb109529402robbiew 303bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 304bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew unlink(filename); 305bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew free(pidlst); 306bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew total++; 307bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 308bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew /* Testblock-2: Write with Direct IO, Read without */ 309bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (forkchldrn(&pidlst, numchild, WRITE_DIRECT, child_function) < 0) { 310bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 311bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 31292b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TFAIL, "Write with Direct IO, Read without"); 313bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 314bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew else { 315bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (waitchldrn(&pidlst, numchild) < 0) { 316bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 317bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 31892b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TFAIL, "Write with Direct IO, Read without"); 319bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 32092b688b8340e2424643c5d33dcacfbb109529402robbiew else 32192b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TPASS, "Write with Direct IO, Read without"); 322bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 323bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew unlink(filename); 324bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew free(pidlst); 325bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew total++; 326bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 327bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew /* Testblock-3: Read, Write with Direct IO. */ 328bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (forkchldrn(&pidlst, numchild, RDWR_DIRECT, child_function) < 0) { 329bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 330bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 33192b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TFAIL, "Read, Write with Direct IO"); 332bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 333bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew else { 334bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (waitchldrn(&pidlst, numchild) < 0) { 335bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 336bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 33792b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TFAIL, "Read, Write with Direct IO"); 338bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 33992b688b8340e2424643c5d33dcacfbb109529402robbiew else 34092b688b8340e2424643c5d33dcacfbb109529402robbiew tst_resm (TPASS, "Read, Write with Direct IO"); 341bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 342bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew unlink(filename); 343bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew free(pidlst); 344bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew total++; 345bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 346bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (failed) { 3470bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TINFO, "%d/%d testblocks failed", 348bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count, total); 34992b688b8340e2424643c5d33dcacfbb109529402robbiew tst_exit(); 350bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 3510bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TINFO, "%d testblocks %d iterations with %d children completed", 352bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew total, iter, numchild); 35392b688b8340e2424643c5d33dcacfbb109529402robbiew tst_exit(); 35492b688b8340e2424643c5d33dcacfbb109529402robbiew return 0; 355bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew} 356bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 35796f4bb38da69c681481f337d099ee4b6cdbba102robbiew 35896f4bb38da69c681481f337d099ee4b6cdbba102robbiew#else /* O_DIRECT */ 35996f4bb38da69c681481f337d099ee4b6cdbba102robbiew 36096f4bb38da69c681481f337d099ee4b6cdbba102robbiewint 36196f4bb38da69c681481f337d099ee4b6cdbba102robbiewmain() { 36296f4bb38da69c681481f337d099ee4b6cdbba102robbiew 36396f4bb38da69c681481f337d099ee4b6cdbba102robbiew tst_resm(TCONF,"O_DIRECT is not defined."); 36496f4bb38da69c681481f337d099ee4b6cdbba102robbiew return 0; 36596f4bb38da69c681481f337d099ee4b6cdbba102robbiew} 36696f4bb38da69c681481f337d099ee4b6cdbba102robbiew#endif /* O_DIRECT */ 367