124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew/* 224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Copyright (c) International Business Machines Corp., 2002 404f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak * Copyright (c) Cyril Hrubis chrubis@suse.cz 2009 524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * This program is free software; you can redistribute it and/or modify 724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * it under the terms of the GNU General Public License as published by 824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * the Free Software Foundation; either version 2 of the License, or 924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * (at your option) any later version. 1024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 1124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * This program is distributed in the hope that it will be useful, 1224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * but WITHOUT ANY WARRANTY; without even the implied warranty of 1324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 1424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * the GNU General Public License for more details. 1524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 1624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * You should have received a copy of the GNU General Public License 1724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * along with this program; if not, write to the Free Software 184548c6cf9bcdd96d8303caa4130ab638b61f8a30Wanlong Gao * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 1924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 2024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 2124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew/* 2224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * NAME 2324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * ftest03.c -- test file I/O with readv and writev (ported from SPIE section2/filesuite/ftest4.c, by Airong Zhang) 2424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 2524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * CALLS 2624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * lseek, readv, writev, 2724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * truncate, ftruncate, fsync, sync, fstat 2824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 2924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * ALGORITHM 3024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * A bitmap is used to map pieces of a file. 3124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Loop: pick a random piece of the file 3224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * if we haven't seen it before make sure it is zero, 3324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * write pattern 3424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * if we have seen it before make sure correct pattern. 3524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 3624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * This was originally written by rbk - was program tfio.c 3724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Modified by dale to integrate with test suites. 3824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Modified by G. Stevens to use readv and writev. 3924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Modofied by K. Hakim to integrate with SPIES. 4024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 4124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * RESTRICTIONS 4224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 1. Runs a long time with default args - can take others on input 4324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * line. Use with "term mode". 4424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * If run on vax the ftruncate will not be random - will always go to 4524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * start of file. NOTE: produces a very high load average!! 4624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 4724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 2. The "csize" argument must be evenly divisible by MAXIOVCNT. 4824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 4924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * CAUTION!! 5024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * If a file is supplied to this program with the "-f" option 5124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * it will be removed with a system("rm -rf filename") call. 52bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak * 5324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 5424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 5524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define _XOPEN_SOURCE 500 5624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#include <sys/types.h> 5724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#include <sys/param.h> 5824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#include <sys/wait.h> 5924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#include <sys/stat.h> 60f81795e0876f9dd0d95b42aec99a9a5de04d883dvapier#include <errno.h> 6124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#include <sys/uio.h> 6224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#include <fcntl.h> 63f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak#include <signal.h> 64f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak#include <stdio.h> 65f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak#include <inttypes.h> 6624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#include "test.h" 6704f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak#include "libftest.h" 6824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 6924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewchar *TCID = "ftest03"; 7024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewint TST_TOTAL = 1; 7124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 7224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define PASSED 1 7324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define FAILED 0 7424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 75f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void setup(void); 76f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void runtest(void); 77f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void dotest(int, int, int); 78354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic void domisc(int, int, char *); 79f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void term(int sig); 8024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 8104f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak#define MAXCHILD 25 8224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define K_1 1024 8324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define K_2 2048 8424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define K_4 4096 8524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define MAXIOVCNT 16 8624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 87354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic int csize; /* chunk size */ 88354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic int iterations; /* # total iterations */ 89354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic int max_size; /* max file size */ 90354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic int misc_intvl; /* for doing misc things; 0 ==> no */ 91354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic int nchild; /* how many children */ 92354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic int fd; /* file descriptor used by child */ 9304f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int parent_pid; 9404f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int pidlist[MAXCHILD]; 95354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic char test_name[2]; /* childs test directory name */ 9624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 97354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic char fuss[MAXPATHLEN]; /* directory to do this in */ 98354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaostatic char homedir[MAXPATHLEN]; /* where we started */ 9924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 10004f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int local_flag; 101f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 102354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint main(int ac, char *av[]) 10324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 104354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao int lc; 10524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 106d6d11d08678aac1ed2c370ea8e42e5f45aea07beCyril Hrubis tst_parse_opts(ac, av, NULL, NULL); 10724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 10824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew setup(); 109bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak 11024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew for (lc = 0; TEST_LOOPING(lc); lc++) { 11124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 11224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew local_flag = PASSED; 11324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 114354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao runtest(); 11524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 11624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (local_flag == PASSED) { 117354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TPASS, "Test passed."); 118354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } else { 119354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "Test failed."); 120354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } 121bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak 12224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_rmdir(); 123f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak /* ??? so we are doing only one loop here ??? */ 12424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 125f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak } 126f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 1272c28215423293e443469a07ae7011135d058b671Garrett Cooper tst_exit(); 12824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 12924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 130f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void setup(void) 13124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 132f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak char wdbuf[MAXPATHLEN]; 13324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 13424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 13524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Make a directory to do this in; ignore error if already exists. 13624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Save starting directory. 13724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 13824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_tmpdir(); 139f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 140f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (getcwd(homedir, sizeof(homedir)) == NULL) { 141354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_brkm(TBROK | TERRNO, NULL, "getcwd() failed"); 14224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 14324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 14424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew parent_pid = getpid(); 14524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 14624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (!fuss[0]) 147354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao sprintf(fuss, "%s/ftest03.%d", getcwd(wdbuf, sizeof(wdbuf)), 148354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao getpid()); 14924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 15024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew mkdir(fuss, 0755); 15124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 15224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (chdir(fuss) < 0) { 153526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, "\tCan't chdir(%s), error %d.", fuss, 154526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis errno); 15524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 15624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 15724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 15824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Default values for run conditions. 15924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 16024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew iterations = 10; 16124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew nchild = 5; 16224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew csize = K_2; /* should run with 1, 2, and 4 K sizes */ 16324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew max_size = K_1 * K_1; 16424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew misc_intvl = 10; 16524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 166f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (sigset(SIGTERM, term) == SIG_ERR) { 16724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew perror("sigset failed"); 168526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, " sigset failed: signo = 15"); 16924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 17024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 17124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 172f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void runtest(void) 17324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 1747a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper pid_t pid; 1757a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper int child, count, i, nwait, status; 1767a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper 1777a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper nwait = 0; 17824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 179df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (i = 0; i < nchild; i++) { 180f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 18124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew test_name[0] = 'a' + i; 18224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew test_name[1] = '\0'; 183f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 184354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao fd = open(test_name, O_RDWR | O_CREAT | O_TRUNC, 0666); 185f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 18624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (fd < 0) { 187526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, "\tError %d creating %s/%s.", 188526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis errno, 189354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao fuss, test_name); 19024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 191f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 192f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((child = fork()) == 0) { 193f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak dotest(nchild, i, fd); 194f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak tst_exit(); 19524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 19624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 19724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew close(fd); 19824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 19924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (child < 0) { 200354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_brkm(TBROK | TERRNO, NULL, "fork failed"); 20124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else { 20224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew pidlist[i] = child; 20324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew nwait++; 20424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 20524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 20624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 20724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 20824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Wait for children to finish. 20924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 21024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew count = 0; 211f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 212f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak while (1) { 213f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((child = wait(&status)) >= 0) { 214f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak //tst_resm(TINFO, "\tTest{%d} exited status = 0x%x", child, status); 215f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (status) { 216354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, 217354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest{%d} failed, expected 0 exit.", 218354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao child); 219f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak local_flag = FAILED; 220f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak } 221f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak ++count; 222f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak } else { 223f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (errno != EINTR) 224f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak break; 22524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 22624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 22724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 22824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 22924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Should have collected all children. 23024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 23124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (count != nwait) { 232354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, "\tWrong # children waited on, count = %d", 233354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao count); 23424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew local_flag = FAILED; 23524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 23624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 23724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew chdir(homedir); 23824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 23924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew pid = fork(); 240f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 24124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (pid < 0) { 242354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_brkm(TBROK | TERRNO, sync, "fork failed"); 24324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 24424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 24524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 24624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (pid == 0) { 2477fdd5140a541cba0961c35161e2fa43426dce653robbiew execl("/bin/rm", "rm", "-rf", fuss, NULL); 2487a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper exit(1); 24924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else 25024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew wait(&status); 251f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 25224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (status) { 253354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TINFO, "CAUTION - ftest03, '%s' may not be removed", 254354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao fuss); 25524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 256bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak 257f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak sync(); 25824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 25924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 26024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew/* 26124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * dotest() 26224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Children execute this. 26324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 26424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Randomly read/mod/write chunks with known pattern and check. 26524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * When fill sectors, iterate. 26624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 26724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 26824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define NMISC 4 269354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoenum m_type { m_fsync, m_trunc, m_fstat }; 270354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaochar *m_str[] = { 271354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "fsync", "trunc", "sync", "fstat" 27224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew}; 27324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 274354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint misc_cnt[NMISC]; /* counts # of each kind of misc */ 275354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint file_max; /* file-max size */ 276354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint nchunks; 277354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint last_trunc = -1; 278354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoint tr_flag; 279354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gaoenum m_type type = m_fsync; 28024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 28124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define CHUNK(i) ((i) * csize) 28224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define NEXTMISC ((rand() % misc_intvl) + 5) 28324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 284f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void dotest(int testers, int me, int fd) 28524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 286f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak char *bits, *hold_bits; 287f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak char val; 288f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak int chunk, whenmisc, xfr, count, collide, i; 28924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 29024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* Stuff for the readv call */ 291354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao struct iovec r_iovec[MAXIOVCNT]; 292354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao int r_ioveclen; 29324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 29424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* Stuff for the writev call */ 295354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao struct iovec val_iovec[MAXIOVCNT]; 296354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao struct iovec zero_iovec[MAXIOVCNT]; 297354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao int w_ioveclen; 2983d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik struct stat stat; 29924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 30024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew nchunks = max_size / csize; 301f01306bdffecc3a419acf0d6f2ce5ea248a0617fGarrett Cooper whenmisc = 0; 302f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 303354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((bits = malloc((nchunks + 7) / 8)) == 0) { 304526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, "\tmalloc failed"); 30524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 306f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 307354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((hold_bits = malloc((nchunks + 7) / 8)) == 0) { 308526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, "\tmalloc failed"); 30924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 31024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 311354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao /*Allocate memory for the iovec buffers and init the iovec arrays */ 31224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew r_ioveclen = w_ioveclen = csize / MAXIOVCNT; 31324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 314f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak /* Please note that the above statement implies that csize 315f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak * be evenly divisible by MAXIOVCNT. 316f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak */ 31724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew for (i = 0; i < MAXIOVCNT; i++) { 318f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((r_iovec[i].iov_base = calloc(r_ioveclen, 1)) == 0) { 319af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_brkm(TBROK, NULL, "\tmalloc failed"); 32024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* tst_exit(); */ 32124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 32224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew r_iovec[i].iov_len = r_ioveclen; 32324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 32424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* Allocate unused memory areas between all the buffers to 32524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * make things more diffult for the OS. 32624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 327354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if (malloc((i + 1) * 8) == NULL) { 328354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_brkm(TBROK, NULL, "\tmalloc failed"); 32924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 330f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 331f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((val_iovec[i].iov_base = calloc(w_ioveclen, 1)) == 0) { 332526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, "\tmalloc failed"); 33324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 334f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 33524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew val_iovec[i].iov_len = w_ioveclen; 3362c28215423293e443469a07ae7011135d058b671Garrett Cooper 337354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if (malloc((i + 1) * 8) == NULL) { 338526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, "\tmalloc failed"); 33924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 340f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 341f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((zero_iovec[i].iov_base = calloc(w_ioveclen, 1)) == 0) { 342526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, "\tmalloc failed"); 34324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 344f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 34524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew zero_iovec[i].iov_len = w_ioveclen; 34624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 347354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if (malloc((i + 1) * 8) == NULL) { 348526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TBROK, NULL, "\tmalloc failed"); 34924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 35024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 35124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 35224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * No init sectors; allow file to be sparse. 35324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 354354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao val = (64 / testers) * me + 1; 35524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 3564bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak /* 3574bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak * For each iteration: 358354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * zap bits array 359354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * loop 360354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * pick random chunk, read it. 361354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * if corresponding bit off { 362354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * verify = 0. (sparse file) 363354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * ++count; 364354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * } else 365354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * verify = val. 366354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * write "val" on it. 367354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * repeat unitl count = nchunks. 368354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao * ++val. 369354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao */ 37024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 371f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak srand(getpid()); 372f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 373f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (misc_intvl) 374f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak whenmisc = NEXTMISC; 375f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 376f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak while (iterations-- > 0) { 377f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 378df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (i = 0; i < NMISC; i++) 37924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew misc_cnt[i] = 0; 380f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 381354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao ftruncate(fd, 0); 38224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew file_max = 0; 383354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao memset(bits, 0, (nchunks + 7) / 8); 384354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao memset(hold_bits, 0, (nchunks + 7) / 8); 38524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 38624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* Have to fill the val and zero iov buffers in a different manner 38724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 388f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak for (i = 0; i < MAXIOVCNT; i++) { 389354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao memset(val_iovec[i].iov_base, val, 390354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao val_iovec[i].iov_len); 391354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao memset(zero_iovec[i].iov_base, 0, 392354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao zero_iovec[i].iov_len); 39324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 39424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 395f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 39624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew count = 0; 39724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew collide = 0; 398f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 399f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak while (count < nchunks) { 40024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew chunk = rand() % nchunks; 40124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 40224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Read it. 40324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 404f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (lseek(fd, CHUNK(chunk), 0) < 0) { 405526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 406526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, 407354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: lseek(0) fail at %x, errno = %d.", 408354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, CHUNK(chunk), errno); 40924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 41024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if ((xfr = readv(fd, &r_iovec[0], MAXIOVCNT)) < 0) { 411526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 412526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, 413354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: readv fail at %x, errno = %d.", 414354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, CHUNK(chunk), errno); 41524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 41624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 41724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * If chunk beyond EOF just write on it. 41824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Else if bit off, haven't seen it yet. 41924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Else, have. Verify values. 42024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 42124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (CHUNK(chunk) >= file_max) { 422354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao bits[chunk / 8] |= (1 << (chunk % 8)); 42324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ++count; 424354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao } else if ((bits[chunk / 8] & (1 << (chunk % 8))) == 0) { 42524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (xfr != csize) { 426526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 427526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, 428354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: xfr=%d != %d, zero read.", 429354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, xfr, csize); 43024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 431354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao for (i = 0; i < MAXIOVCNT; i++) { 432354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if (memcmp 433354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (r_iovec[i].iov_base, 434354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao zero_iovec[i].iov_base, 435354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao r_iovec[i].iov_len)) { 43624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_resm(TFAIL, 437354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d] bad verify @ 0x%x for val %d count %d xfr %d file_max 0x%x, should be 0.", 438354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, CHUNK(chunk), val, 439354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao count, xfr, file_max); 440354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TINFO, 441354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: last_trunc = 0x%x.", 442354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, last_trunc); 4433d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik fstat(fd, &stat); 4443d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik tst_resm(TINFO, 4453d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik "\tStat: size=%llx, ino=%x", 4463d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik stat.st_size, (unsigned)stat.st_ino); 44724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew sync(); 44804f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_dumpiov(&r_iovec[i]); 449354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao ft_dumpbits(bits, 450354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (nchunks + 7) / 8); 451354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao ft_orbits(hold_bits, bits, 452354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (nchunks + 7) / 8); 4534bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak tst_resm(TINFO, "\tHold "); 454354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao ft_dumpbits(hold_bits, 455354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (nchunks + 7) / 8); 45624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 45724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 45824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 459354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao bits[chunk / 8] |= (1 << (chunk % 8)); 46024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ++count; 46124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else { 46224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (xfr != csize) { 463526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 464526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, 465354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: xfr=%d != %d, val read.", 466354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, xfr, csize); 46724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 46824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ++collide; 469354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao for (i = 0; i < MAXIOVCNT; i++) { 470354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if (memcmp 471354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (r_iovec[i].iov_base, 472354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao val_iovec[i].iov_base, 473354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao r_iovec[i].iov_len)) { 474354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, 475354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d] bad verify @ 0x%x for val %d count %d xfr %d file_max 0x%x.", 476354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, CHUNK(chunk), val, 477354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao count, xfr, file_max); 478354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TINFO, 479354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: last_trunc = 0x%x.", 480354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, last_trunc); 4813d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik fstat(fd, &stat); 4823d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik tst_resm(TINFO, 4833d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik "\tStat: size=%llx, ino=%x", 4843d0ea116b7b6cab0351a0f2edf1cde33185c5028Leonid V. Fedorenchik stat.st_size, (unsigned)stat.st_ino); 48524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew sync(); 48604f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_dumpiov(&r_iovec[i]); 487354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao ft_dumpbits(bits, 488354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (nchunks + 7) / 8); 489354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao ft_orbits(hold_bits, bits, 490354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (nchunks + 7) / 8); 4914bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak tst_resm(TINFO, "\tHold "); 492354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao ft_dumpbits(hold_bits, 493354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (nchunks + 7) / 8); 49424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 49524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 49624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 49724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 49824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 49924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Writev it. 50024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 501354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if (lseek(fd, -xfr, 1) < 0) { 502526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 503526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, 504354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: lseek(1) fail at %x, errno = %d.", 505354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, CHUNK(chunk), errno); 50624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 507354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao if ((xfr = 508354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao writev(fd, &val_iovec[0], MAXIOVCNT)) < csize) { 50924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (errno == ENOSPC) { 510354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao tst_resm(TFAIL, 511354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: no space, exiting.", 512354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me); 51324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew fsync(fd); 51424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 51524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 516526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 517526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, 518354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: writev fail at %x xfr %d, errno = %d.", 519354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, CHUNK(chunk), xfr, errno); 52024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 52124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (CHUNK(chunk) + csize > file_max) 52224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew file_max = CHUNK(chunk) + csize; 52324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 52424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * If hit "misc" interval, do it. 52524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 52624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (misc_intvl && --whenmisc <= 0) { 527354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao ft_orbits(hold_bits, bits, (nchunks + 7) / 8); 52824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew domisc(me, fd, bits); 52924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew whenmisc = NEXTMISC; 53024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 53124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (count + collide > 2 * nchunks) 53224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew break; 53324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 53424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 53524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 53624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * End of iteration, maybe before doing all chunks. 53724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 53824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 53924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew fsync(fd); 540f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak ++misc_cnt[m_fsync]; 541af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier //tst_resm(TINFO, "\tTest{%d} val %d done, count = %d, collide = {%d}", 542354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao // me, val, count, collide); 543df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper //for (i = 0; i < NMISC; i++) 544354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao // tst_resm(TINFO, "\t\tTest{%d}: {%d} %s's.", me, misc_cnt[i], m_str[i]); 54524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ++val; 54624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 54724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 54824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 54924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew/* 55024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Inject misc syscalls into the thing. 55124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 552f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void domisc(int me, int fd, char *bits) 55324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 554f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak int chunk; 555f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak struct stat sb; 55624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 557f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (type > m_fstat) 55824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew type = m_fsync; 559f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 560354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao switch (type) { 56124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew case m_fsync: 56224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (fsync(fd) < 0) { 563526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, NULL, "\tTest[%d]: fsync error %d.", 564526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis me, 565354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao errno); 56624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 56724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew break; 56824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew case m_trunc: 56924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew chunk = rand() % (file_max / csize); 57024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew file_max = CHUNK(chunk); 57124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew last_trunc = file_max; 57224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (tr_flag) { 57324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (ftruncate(fd, file_max) < 0) { 574526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 575526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, 576354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: ftruncate error %d @ 0x%x.", 577354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, errno, file_max); 57824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 57924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tr_flag = 0; 58024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else { 58124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (truncate(test_name, file_max) < 0) { 582526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 583526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, 584354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao "\tTest[%d]: truncate error %d @ 0x%x.", 585354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao me, errno, file_max); 58624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 58724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tr_flag = 1; 58824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 589354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao for (; chunk % 8 != 0; chunk++) 590354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao bits[chunk / 8] &= ~(1 << (chunk % 8)); 591df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (; chunk < nchunks; chunk += 8) 592354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao bits[chunk / 8] = 0; 59324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew break; 59424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew case m_fstat: 59524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (fstat(fd, &sb) < 0) { 596526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, NULL, "\tTest[%d]: fstat() error %d.", 597526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis me, 598354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao errno); 59924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 60024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (sb.st_size != file_max) { 601526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis tst_brkm(TFAIL, 602526fdf8d8ea3b43b73de7cc25eb754f12702c8d2Cyril Hrubis NULL, "\tTest[%d]: fstat() mismatch; st_size=%" 603354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao PRIx64 ",file_max=%x.", me, 604354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao (int64_t) sb.st_size, file_max); 60524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 60624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew break; 60724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 608f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 609f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak ++misc_cnt[type]; 610f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak ++type; 61124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 61224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 613f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak/* 614f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak * SIGTERM signal handler. 61524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 61604f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic void term(int sig LTP_ATTRIBUTE_UNUSED) 61724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 618f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak int i; 61924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 620af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TINFO, "\tterm -[%d]- got sig term.", getpid()); 62124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 62224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 62324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * If run by hand we like to have the parent send the signal to 62424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * the child processes. This makes life easy. 62524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 62624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (parent_pid == getpid()) { 627f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak for (i = 0; i < nchild; i++) 628f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (pidlist[i]) 62924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew kill(pidlist[i], SIGTERM); 630f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak return; 63124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 63224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 633af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TINFO, "\tunlinking '%s'", test_name); 63424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 63524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew close(fd); 636f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 63724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (unlink(test_name)) 638af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "Unlink of '%s' failed, errno = %d.", 639354ebb48db8e66a853a58379a4808d5dcd1ceac3Wanlong Gao test_name, errno); 64024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew else 641af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "Unlink of '%s' successful.", test_name); 642f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 64324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 644ec6edca7aa42b6affd989ef91b5897f96795e40fChris Dearman} 645