diotest6.c revision e0d8534b7ac36e950c35c6ec6c576f94d5a25433
1bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew/* 267cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * Copyright (c) International Business Machines Corp., 2002 367cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * 04/30/2002 Narasimha Sharoff nsharoff@us.ibm.com 4bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 567cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * This program is free software; you can redistribute it and/or modify 667cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * it under the terms of the GNU General Public License as published by 767cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * the Free Software Foundation; either version 2 of the License, or 867cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * (at your option) any later version. 9bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 1067cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * This program is distributed in the hope that it will be useful, 1167cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * but WITHOUT ANY WARRANTY; without even the implied warranty of 1267cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 1367cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * the GNU General Public License for more details. 14bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 1567cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * You should have received a copy of the GNU General Public License 1667cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * along with this program; if not, write to the Free Software 1767cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew */ 19bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 20bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew/* 21bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * DESCRIPTION 22bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * Fork given number of children. Each child opens the same file, but 23bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * uses its own file descriptior. The child does writes and reads from 24bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * its segment in the file. The segment to which the child writes is 25bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * determined by childnumber * bufsize. There is no need to use any locks. 26bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * Tests the combinations of buffered/direct readv(), writev() calls. 27bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * Test program contains the following test blocks: 28bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * [1] Direct Read, Buffered write 29bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * [2] Direct Write, Buffered read 30bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * [3] Direct Read, Direct Write 31bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * 32bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * USAGE 33bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * diotest6 [-b bufsize] [-o offset] [-n numchild] [-i iterations] 34bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * [-v nvector] [-f fileaname] 35bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew*/ 36bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 37bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <stdio.h> 38bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <stdlib.h> 39bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <unistd.h> 40bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <string.h> 41bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <sys/file.h> 42a7fa8561a5a095faf6e202a80b0c7729be8bb82dSteven Jackson#include <fcntl.h> 43b48651d2444c180f7db691b11a56cc6d57444d10mridge#include <sys/syscall.h> 44bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <sys/uio.h> 45bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#include <errno.h> 46bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 47f7dc1be5b85cd32072dcae2db569bf11d115f27frobbiew#include "diotest_routines.h" 48f7dc1be5b85cd32072dcae2db569bf11d115f27frobbiew 4996f4bb38da69c681481f337d099ee4b6cdbba102robbiew#include "test.h" 5096f4bb38da69c681481f337d099ee4b6cdbba102robbiew 5167cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubischar *TCID = "diotest06"; 5267cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubisint TST_TOTAL = 3; 538680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew 5496f4bb38da69c681481f337d099ee4b6cdbba102robbiew#ifdef O_DIRECT 5596f4bb38da69c681481f337d099ee4b6cdbba102robbiew 56bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define BUFSIZE 4096 57bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define TRUE 1 58bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define LEN 30 59bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define READ_DIRECT 1 60bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define WRITE_DIRECT 2 61bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew#define RDWR_DIRECT 3 62bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 6367cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubisstatic int iter = 100; 6467cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubisstatic int bufsize = BUFSIZE; 6567cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubisstatic off64_t offset = 0; 6667cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubisstatic int nvector = 20; 6767cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubisstatic char filename[LEN]; 6804e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modakstatic int fd1 = -1; 6904e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak 7004e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modakstatic void setup(void); 7104e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modakstatic void cleanup(void); 72bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 7367cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubisstatic void prg_usage(void) 74bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew{ 75354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao fprintf(stderr, 76354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "Usage: diotest6 [-b bufsize] [-o offset] [-n numchild] [-i iterations] [-v nvector] [-f filename]\n"); 77bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew exit(1); 78bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew} 79bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 80bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew/* 818c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew * runtest: write the data to the file. Read the data from the file and compare. 824bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak * For each iteration, write data starting at offse+iter*bufsize 838c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew * location in the file and read from there. 848c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew*/ 85354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint runtest(int fd_r, int fd_w, int childnum, int action) 868c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew{ 87354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao off64_t seekoff; 88e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan int i, ret = -1; 89e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan ssize_t n = 0; 90e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan struct iovec *iov_r, *iov_w; 91e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan 92e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan /* allocate read/write io vectors */ 93e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan iov_r = calloc(nvector, sizeof(*iov_r)); 94e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan iov_w = calloc(nvector, sizeof(*iov_w)); 95e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan if (!iov_r || !iov_w) { 96e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan tst_resm(TBROK | TERRNO, "calloc failed for iovector array"); 97e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan free(iov_r); 98e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan free(iov_w); 99e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan return ret; 10067cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis } 1018c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew 102e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan /* allocate buffers and setup read/write io vectors */ 103e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan for (i = 0; i < nvector; i++) { 104e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan iov_r[i].iov_base = valloc(bufsize); 105e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan if (!iov_r[i].iov_base) { 106e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan tst_resm(TBROK | TERRNO, "valloc error iov_r[%d]", i); 107e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan goto err; 108e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan } 109e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan iov_r[i].iov_len = bufsize; 110e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan } 111e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan for (i = 0; i < nvector; i++) { 112e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan iov_w[i].iov_base = valloc(bufsize); 113e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan if (!iov_r[i].iov_base) { 114e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan tst_resm(TBROK | TERRNO, "valloc error iov_w[%d]", i); 115e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan goto err; 116e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan } 117e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan iov_w[i].iov_len = bufsize; 118e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan } 1198c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew 1208c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew /* seek, write, read and verify */ 121e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan seekoff = offset + bufsize * childnum * nvector; 1228c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew for (i = 0; i < iter; i++) { 123e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan vfillbuf(iov_w, nvector, childnum+i); 12467cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis 1258c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (lseek(fd_w, seekoff, SEEK_SET) < 0) { 1264bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak tst_resm(TFAIL, "lseek before write failed: %s", 127354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao strerror(errno)); 128e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan goto err; 1298c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 130e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan n = writev(fd_w, iov_w, nvector); 131e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan if (n < (bufsize * nvector)) { 132e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan tst_resm(TFAIL | TERRNO, "writev failed, ret = %ld", n); 133e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan goto err; 1348c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1358c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (action == READ_DIRECT) { 1368c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew /* Make sure data is on to disk before read */ 1378c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (fsync(fd_w) < 0) { 1380bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fsync failed: %s", 139354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao strerror(errno)); 140e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan goto err; 1418c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1428c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1438c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew if (lseek(fd_r, seekoff, SEEK_SET) < 0) { 1444bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak tst_resm(TFAIL, "lseek before read failed: %s", 145354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao strerror(errno)); 146e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan goto err; 1478c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 148e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan n = readv(fd_r, iov_r, nvector); 149e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan if (n < (bufsize * nvector)) { 150e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan tst_resm(TFAIL | TERRNO, "readv failed, ret = %ld", n); 151e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan goto err; 1528c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 153e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan if (vbufcmp(iov_w, iov_r, nvector) != 0) { 1544bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak tst_resm(TFAIL, "comparsion failed. Child=%d offset=%d", 155354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao childnum, (int)seekoff); 156e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan goto err; 1578c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 1588c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew } 159e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan ret = 0; 160e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan 161e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guanerr: 162e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan for (i = 0; i < nvector; i++) 163e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan free(iov_r[i].iov_base); 164e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan for (i = 0; i < nvector; i++) 165e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan free(iov_w[i].iov_base); 166e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan free(iov_r); 167e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan free(iov_w); 168e0d8534b7ac36e950c35c6ec6c576f94d5a25433Eryu Guan return ret; 1698c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew} 170354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao 1718c64d1bbc89d3c6155f3f6bcdb974756d3b7919frobbiew/* 172bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew * child_function: open the file for read and write. Call the runtest routine. 173bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew*/ 174354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint child_function(int childnum, int action) 175bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew{ 176354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao int fd_w, fd_r; 177bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 178354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao switch (action) { 179354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao case READ_DIRECT: 180354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((fd_w = open(filename, O_WRONLY | O_CREAT, 0666)) < 0) { 1810bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_w open failed for %s: %s", 182354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao filename, strerror(errno)); 183354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 184bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 185354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((fd_r = open(filename, O_DIRECT | O_RDONLY, 0666)) < 0) { 1860bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_r open failed for %s: %s", 187354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao filename, strerror(errno)); 188bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 18904e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak unlink(filename); 190354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 191bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 192bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (runtest(fd_r, fd_w, childnum, action) == -1) { 1930bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "Read Direct-child %d failed", 194354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao childnum); 195bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 196bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_r); 197354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 198bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 199bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 200354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao case WRITE_DIRECT: 201354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((fd_w = 202354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao open(filename, O_DIRECT | O_WRONLY | O_CREAT, 0666)) < 0) { 203354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "fd_w open failed for %s: %s", filename, 204354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao strerror(errno)); 205354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 206bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 207bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((fd_r = open(filename, O_RDONLY, 0666)) < 0) { 2080bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_r open failed for %s: %s", 209354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao filename, strerror(errno)); 210bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 21104e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak unlink(filename); 212354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 213bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 214bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (runtest(fd_r, fd_w, childnum, action) == -1) { 2150bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "Write Direct-child %d failed", 216354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao childnum); 217bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 218bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_r); 219354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 220bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 221bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 222354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao case RDWR_DIRECT: 223354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((fd_w = 224354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao open(filename, O_DIRECT | O_WRONLY | O_CREAT, 0666)) < 0) { 225354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "fd_w open failed for %s: %s", filename, 226354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao strerror(errno)); 227354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 228bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 229354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((fd_r = open(filename, O_DIRECT | O_RDONLY, 0666)) < 0) { 2300bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "fd_r open failed for %s: %s", 231354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao filename, strerror(errno)); 232bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 233354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 234bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 235bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (runtest(fd_r, fd_w, childnum, action) == -1) { 2360bdbaa31acb9640b8ac63f17e5af999a124519d3vapier tst_resm(TFAIL, "RDWR Direct-child %d failed", 237354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao childnum); 238bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 239bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_r); 240354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 241bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 242bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 243354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao default: 244354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao fprintf(stderr, "Invalid Action Value\n"); 245354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao return (-1); 246bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 247bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_w); 248bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew close(fd_r); 249bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew exit(0); 250bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew} 251bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 252354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint main(int argc, char *argv[]) 253bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew{ 254354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao int *pidlst; 25567cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis int numchild = 1; 256354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao int i, fail_count = 0, failed = 0, total = 0; 257bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 258bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew /* Options */ 259354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao sprintf(filename, "testdata-6.%ld", syscall(__NR_gettid)); 260bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew while ((i = getopt(argc, argv, "b:o:i:n:v:f:")) != -1) { 261354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao switch (i) { 262bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'b': 263bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((bufsize = atoi(optarg)) <= 0) { 264bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "bufsize must be > 0\n"); 265bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 266bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 267bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (bufsize % 4096 != 0) { 268354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao fprintf(stderr, 269354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "bufsize must be multiple of 4k\n"); 270bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 271bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 272bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 273bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'o': 274bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((offset = atoi(optarg)) <= 0) { 275bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "offset must be > 0\n"); 276bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 277bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 278bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 279bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'i': 280bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((iter = atoi(optarg)) <= 0) { 281bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "iterations must be > 0\n"); 282bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 283bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 284bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 285bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'n': 286bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((numchild = atoi(optarg)) <= 0) { 287bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "no of children must be > 0\n"); 288bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 289bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 290bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 291bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'v': 292bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if ((nvector = atoi(optarg)) <= 0) { 293bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fprintf(stderr, "vectory array must be > 0\n"); 294bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 295bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 296bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 297bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew case 'f': 298bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew strcpy(filename, optarg); 299bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew break; 300bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew default: 301bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew prg_usage(); 302bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 303bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 304bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 30504e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak setup(); 3068680e9b72836f1cc465d424e0dcc9e54e4eda32brobbiew 307bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew /* Testblock-1: Read with Direct IO, Write without */ 3088fb1cdb0538640f295691929650408688537fb7fGarrett Cooper if (forkchldrn(&pidlst, numchild, READ_DIRECT, child_function) < 0) { 309bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 310bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 311354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "Read with Direct IO, Write without"); 312354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } else { 313bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (waitchldrn(&pidlst, numchild) < 0) { 314bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 315bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 316354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "Read with Direct IO, Write without"); 317354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } else 318354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TPASS, "Read with Direct IO, Write without"); 31992b688b8340e2424643c5d33dcacfbb109529402robbiew 320bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 321bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew unlink(filename); 322bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew free(pidlst); 323bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew total++; 324bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 325bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew /* Testblock-2: Write with Direct IO, Read without */ 326bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (forkchldrn(&pidlst, numchild, WRITE_DIRECT, child_function) < 0) { 327bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 328bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 329354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "Write with Direct IO, Read without"); 330354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } else { 331bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (waitchldrn(&pidlst, numchild) < 0) { 332bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 333bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 334354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "Write with Direct IO, Read without"); 335354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } else 336354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TPASS, "Write with Direct IO, Read without"); 337bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 338bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew unlink(filename); 339bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew free(pidlst); 340bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew total++; 341bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 342bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew /* Testblock-3: Read, Write with Direct IO. */ 343bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (forkchldrn(&pidlst, numchild, RDWR_DIRECT, child_function) < 0) { 344bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 345bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 346354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "Read, Write with Direct IO"); 347354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } else { 348bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew if (waitchldrn(&pidlst, numchild) < 0) { 349bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew failed = TRUE; 350bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew fail_count++; 351354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "Read, Write with Direct IO"); 352354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } else 353354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TPASS, "Read, Write with Direct IO"); 354bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew } 355bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew unlink(filename); 356bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew free(pidlst); 357bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew total++; 358bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 35992b688b8340e2424643c5d33dcacfbb109529402robbiew if (failed) 360354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TINFO, "%d/%d testblocks failed", fail_count, total); 36192b688b8340e2424643c5d33dcacfbb109529402robbiew else 362354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TINFO, 363354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "%d testblocks %d iterations with %d children completed", 364354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao total, iter, numchild); 36504e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak cleanup(); 3662c28215423293e443469a07ae7011135d058b671Garrett Cooper tst_exit(); 367bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew} 368bfb98f98f0ebdcdeac4e628eeed3206bd1e451abrobbiew 36904e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modakstatic void setup(void) 37004e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak{ 37104e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak tst_tmpdir(); 37204e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak 373354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((fd1 = open(filename, O_CREAT | O_EXCL, 0600)) < 0) { 374354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_brkm(TBROK, cleanup, "Couldn't create test file %s: %s", 375354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao filename, strerror(errno)); 37604e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak } 37704e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak close(fd1); 37804e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak 37904e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak /* Test for filesystem support of O_DIRECT */ 38004e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak if ((fd1 = open(filename, O_DIRECT, 0600)) < 0) { 381354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_brkm(TCONF, cleanup, 382354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "O_DIRECT is not supported by this filesystem. %s", 383354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao strerror(errno)); 38404e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak } 38576a720a381f351b33eb203c7c519e6f44bbe7219Subrata Modak close(fd1); 38604e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak} 38704e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak 38804e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modakstatic void cleanup(void) 38904e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak{ 390df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper if (fd1 != -1) 39104e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak unlink(filename); 39204e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak 39304e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak tst_rmdir(); 39404e0bfa9661a9d9caca9f2683b925b66ca5a7cb2subrata_modak} 39596f4bb38da69c681481f337d099ee4b6cdbba102robbiew 39696f4bb38da69c681481f337d099ee4b6cdbba102robbiew#else /* O_DIRECT */ 39796f4bb38da69c681481f337d099ee4b6cdbba102robbiew 39867cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubisint main(void) 399354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao{ 40067cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis tst_brkm(TCONF, NULL, "O_DIRECT is not defined."); 40196f4bb38da69c681481f337d099ee4b6cdbba102robbiew} 40267cb838c13e6827777b3579aadd7d64897ddff04Cyril Hrubis 403ec6edca7aa42b6affd989ef91b5897f96795e40fChris Dearman#endif /* O_DIRECT */ 404