ftest03.c revision 4548c6cf9bcdd96d8303caa4130ab638b61f8a30
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" 6724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#include "usctest.h" 6804f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak#include "libftest.h" 6924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 7024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewchar *TCID = "ftest03"; 7124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewint TST_TOTAL = 1; 7224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 7324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define PASSED 1 7424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define FAILED 0 7524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 76f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void setup(void); 77f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void runtest(void); 78f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void dotest(int, int, int); 79f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void domisc(int, int, char*); 80f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void term(int sig); 8124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 8204f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak#define MAXCHILD 25 8324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define K_1 1024 8424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define K_2 2048 8524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define K_4 4096 8624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define MAXIOVCNT 16 8724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 8804f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int csize; /* chunk size */ 8904f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int iterations; /* # total iterations */ 9004f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int max_size; /* max file size */ 9104f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int misc_intvl; /* for doing misc things; 0 ==> no */ 9204f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int nchild; /* how many children */ 9304f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int fd; /* file descriptor used by child */ 9404f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int parent_pid; 9504f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int pidlist[MAXCHILD]; 9604f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic char test_name[2]; /* childs test directory name */ 9724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 98fde5772340983308ebf6ed707bcae78f9a71f2baGarrett Cooperstatic char fuss[MAXPATHLEN]; /* directory to do this in */ 99fde5772340983308ebf6ed707bcae78f9a71f2baGarrett Cooperstatic char homedir[MAXPATHLEN]; /* where we started */ 10024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 10104f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic int local_flag; 102f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 103f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakint main (int ac, char *av[]) 10424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 105f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak int lc; 106f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak char *msg; 10724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 10824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 10924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * parse standard options 11024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 111f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) { 1127a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); 11324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 11424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 11524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew setup(); 116bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak 11724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew for (lc = 0; TEST_LOOPING(lc); lc++) { 11824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 11924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew local_flag = PASSED; 12024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 12124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew runtest(); 12224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 12324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (local_flag == PASSED) { 124af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TPASS, "Test passed."); 12524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else { 126af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "Test failed."); 12724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 128bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak 12924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_rmdir(); 130f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak /* ??? so we are doing only one loop here ??? */ 13124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 132f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak } 133f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 1342c28215423293e443469a07ae7011135d058b671Garrett Cooper tst_exit(); 13524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 13624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 137f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void setup(void) 13824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 139f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak char wdbuf[MAXPATHLEN]; 14024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 14124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 14224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Make a directory to do this in; ignore error if already exists. 14324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Save starting directory. 14424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 14524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_tmpdir(); 146f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 147f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (getcwd(homedir, sizeof(homedir)) == NULL) { 1487a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper tst_brkm(TBROK|TERRNO, NULL, "getcwd() failed"); 14924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 15024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 15124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew parent_pid = getpid(); 15224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 15324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (!fuss[0]) 15424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew sprintf(fuss, "%s/ftest03.%d", getcwd(wdbuf, sizeof( wdbuf)), getpid()); 15524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 15624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew mkdir(fuss, 0755); 15724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 15824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (chdir(fuss) < 0) { 159af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK,"\tCan't chdir(%s), error %d.", fuss, errno); 16024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit() ; 16124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 16224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 16324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 16424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Default values for run conditions. 16524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 16624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew iterations = 10; 16724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew nchild = 5; 16824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew csize = K_2; /* should run with 1, 2, and 4 K sizes */ 16924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew max_size = K_1 * K_1; 17024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew misc_intvl = 10; 17124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 172f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (sigset(SIGTERM, term) == SIG_ERR) { 17324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew perror("sigset failed"); 174af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, " sigset failed: signo = 15") ; 17524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit() ; 17624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 17724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 17824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 179f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void runtest(void) 18024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 1817a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper pid_t pid; 1827a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper int child, count, i, nwait, status; 1837a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper 1847a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper nwait = 0; 18524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 186df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (i = 0; i < nchild; i++) { 187f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 18824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew test_name[0] = 'a' + i; 18924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew test_name[1] = '\0'; 190f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 19124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew fd = open(test_name, O_RDWR|O_CREAT|O_TRUNC, 0666); 192f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 19324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (fd < 0) { 194af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "\tError %d creating %s/%s.", errno, fuss, test_name); 19524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 19624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 197f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 198f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((child = fork()) == 0) { 199f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak dotest(nchild, i, fd); 200f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak tst_exit(); 20124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 20224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 20324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew close(fd); 20424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 20524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (child < 0) { 2067a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper tst_brkm(TBROK|TERRNO, NULL, "fork failed"); 20724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else { 20824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew pidlist[i] = child; 20924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew nwait++; 21024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 21124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 21224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 21324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 21424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Wait for children to finish. 21524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 21624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew count = 0; 217f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 218f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak while (1) { 219f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((child = wait(&status)) >= 0) { 220f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak //tst_resm(TINFO, "\tTest{%d} exited status = 0x%x", child, status); 221f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (status) { 222f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak tst_resm(TFAIL, "\tTest{%d} failed, expected 0 exit.", child); 223f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak local_flag = FAILED; 224f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak } 225f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak ++count; 226f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak } else { 227f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (errno != EINTR) 228f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak break; 22924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 23024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 23124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 23224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 23324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Should have collected all children. 23424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 23524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (count != nwait) { 236af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tWrong # children waited on, count = %d", count); 23724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew local_flag = FAILED; 23824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 23924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 24024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew chdir(homedir); 24124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 24224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew pid = fork(); 243f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 24424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (pid < 0) { 2457a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper tst_brkm(TBROK|TERRNO, sync, "fork failed"); 24624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 24724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 24824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 24924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (pid == 0) { 2507fdd5140a541cba0961c35161e2fa43426dce653robbiew execl("/bin/rm", "rm", "-rf", fuss, NULL); 2517a73eab97ffec8b44079586a2cc74b28b52f9959Garrett Cooper exit(1); 25224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else 25324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew wait(&status); 254f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 25524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (status) { 256af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TINFO, "CAUTION - ftest03, '%s' may not be removed", fuss); 25724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 258bdbaec51a423e715c2b03ed9e497e9a1fba6103esubrata_modak 259f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak sync(); 26024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 26124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 26224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew/* 26324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * dotest() 26424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Children execute this. 26524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * 26624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Randomly read/mod/write chunks with known pattern and check. 26724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * When fill sectors, iterate. 26824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 26924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 27024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define NMISC 4 27124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewenum m_type { m_fsync, m_trunc, m_fstat }; 27224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewchar *m_str[] = { 27324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew "fsync", "trunc", "sync", "fstat" 27424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew}; 27524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 27624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewint misc_cnt[NMISC]; /* counts # of each kind of misc */ 27724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewint file_max; /* file-max size */ 27824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewint nchunks; 27924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewint last_trunc = -1; 28024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewint tr_flag; 28124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiewenum m_type type = m_fsync; 28224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 28324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define CHUNK(i) ((i) * csize) 28424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew#define NEXTMISC ((rand() % misc_intvl) + 5) 28524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 286f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void dotest(int testers, int me, int fd) 28724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 288f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak char *bits, *hold_bits; 289f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak char val; 290f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak int chunk, whenmisc, xfr, count, collide, i; 29124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 29224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* Stuff for the readv call */ 29324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew struct iovec r_iovec[MAXIOVCNT]; 29424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew int r_ioveclen; 29524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 29624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* Stuff for the writev call */ 29724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew struct iovec val_iovec[MAXIOVCNT]; 29824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew struct iovec zero_iovec[MAXIOVCNT]; 29924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew int w_ioveclen; 30024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 30124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew nchunks = max_size / csize; 302f01306bdffecc3a419acf0d6f2ce5ea248a0617fGarrett Cooper whenmisc = 0; 303f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 304f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((bits = malloc((nchunks+7) / 8)) == 0) { 305af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "\tmalloc failed"); 30624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 30724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 308f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 309df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper if ((hold_bits = malloc((nchunks+7) / 8)) == 0) { 310af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "\tmalloc failed"); 31124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 31224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 31324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 314f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak /*Allocate memory for the iovec buffers and init the iovec arrays*/ 31524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew r_ioveclen = w_ioveclen = csize / MAXIOVCNT; 31624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 317f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak /* Please note that the above statement implies that csize 318f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak * be evenly divisible by MAXIOVCNT. 319f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak */ 32024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew for (i = 0; i < MAXIOVCNT; i++) { 321f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((r_iovec[i].iov_base = calloc(r_ioveclen, 1)) == 0) { 322af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_brkm(TBROK, NULL, "\tmalloc failed"); 32324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* tst_exit(); */ 32424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 32524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew r_iovec[i].iov_len = r_ioveclen; 32624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 32724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* Allocate unused memory areas between all the buffers to 32824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * make things more diffult for the OS. 32924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 330f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (malloc((i+1)*8) == NULL) { 331af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_brkm(TBROK,NULL, "\tmalloc failed"); 33224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 333f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 334f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((val_iovec[i].iov_base = calloc(w_ioveclen, 1)) == 0) { 335af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "\tmalloc failed"); 33624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 33724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 338f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 33924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew val_iovec[i].iov_len = w_ioveclen; 3402c28215423293e443469a07ae7011135d058b671Garrett Cooper 341f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (malloc((i+1)*8) == NULL) { 342af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "\tmalloc failed"); 34324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 34424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 345f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 346f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if ((zero_iovec[i].iov_base = calloc(w_ioveclen, 1)) == 0) { 347af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "\tmalloc failed"); 34824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 34924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 350f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 35124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew zero_iovec[i].iov_len = w_ioveclen; 35224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 353f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (malloc((i+1)*8) == NULL) { 354af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "\tmalloc failed"); 35524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 35624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 35724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 35824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 35924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * No init sectors; allow file to be sparse. 36024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 36124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew val = (64/testers) * me + 1; 36224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 3634bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak /* 3644bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak * For each iteration: 3654bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak * zap bits array 3664bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak * loop 3672c28215423293e443469a07ae7011135d058b671Garrett Cooper * pick random chunk, read it. 3684bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak * if corresponding bit off { 36924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * verify = 0. (sparse file) 37024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * ++count; 37124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * } else 37224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * verify = val. 37324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * write "val" on it. 37424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * repeat unitl count = nchunks. 37524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * ++val. 37624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 37724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 378f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak srand(getpid()); 379f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 380f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (misc_intvl) 381f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak whenmisc = NEXTMISC; 382f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 383f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak while (iterations-- > 0) { 384f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 385df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (i = 0; i < NMISC; i++) 38624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew misc_cnt[i] = 0; 387f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 38824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ftruncate(fd,0); 38924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew file_max = 0; 39004f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak memset(bits, 0, (nchunks+7) / 8); 39104f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak memset(hold_bits, 0, (nchunks+7) / 8); 39224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 39324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* Have to fill the val and zero iov buffers in a different manner 39424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 395f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak for (i = 0; i < MAXIOVCNT; i++) { 39604f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak memset(val_iovec[i].iov_base,val,val_iovec[i].iov_len); 39704f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak memset(zero_iovec[i].iov_base,0,zero_iovec[i].iov_len); 39824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 39924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 400f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 40124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew count = 0; 40224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew collide = 0; 403f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 404f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak while (count < nchunks) { 40524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew chunk = rand() % nchunks; 40624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 40724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Read it. 40824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 409f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (lseek(fd, CHUNK(chunk), 0) < 0) { 410af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: lseek(0) fail at %x, errno = %d.", 41124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, CHUNK(chunk), errno); 41224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 41324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 41424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if ((xfr = readv(fd, &r_iovec[0], MAXIOVCNT)) < 0) { 415af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: readv fail at %x, errno = %d.", 41624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, CHUNK(chunk), errno); 41724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 41824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 41924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 42024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * If chunk beyond EOF just write on it. 42124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Else if bit off, haven't seen it yet. 42224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Else, have. Verify values. 42324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 42424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (CHUNK(chunk) >= file_max) { 42524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew bits[chunk/8] |= (1<<(chunk%8)); 42624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ++count; 42724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else if ((bits[chunk/8] & (1<<(chunk%8))) == 0) { 42824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (xfr != csize) { 429af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: xfr=%d != %d, zero read.", 43024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, xfr, csize); 43124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 43224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 433df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (i=0;i<MAXIOVCNT; i++) { 43424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (memcmp(r_iovec[i].iov_base, zero_iovec[i].iov_base, r_iovec[i].iov_len)) { 43524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_resm(TFAIL, 436af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier "\tTest[%d] bad verify @ 0x%x for val %d count %d xfr %d file_max 0x%x, should be 0.", 43724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, CHUNK(chunk), val, count, xfr, file_max); 438af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TINFO, "\tTest[%d]: last_trunc = 0x%x.", 43924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, last_trunc); 44024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew sync(); 44104f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_dumpiov(&r_iovec[i]); 44204f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_dumpbits(bits, (nchunks+7)/8); 44304f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_orbits(hold_bits, bits, (nchunks+7)/8); 4444bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak tst_resm(TINFO, "\tHold "); 44504f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_dumpbits(hold_bits, (nchunks+7)/8); 44624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 44724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 44824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 44924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew bits[chunk/8] |= (1<<(chunk%8)); 45024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ++count; 45124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else { 45224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (xfr != csize) { 453af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: xfr=%d != %d, val read.", 45424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, xfr, csize); 45524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 45624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 45724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ++collide; 458df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (i=0; i<MAXIOVCNT; i++) { 45924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (memcmp(r_iovec[i].iov_base, val_iovec[i].iov_base, r_iovec[i].iov_len)) { 460af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d] bad verify @ 0x%x for val %d count %d xfr %d file_max 0x%x.", 46124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, CHUNK(chunk), val, count, xfr, file_max); 462af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TINFO, "\tTest[%d]: last_trunc = 0x%x.", 46324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, last_trunc); 46424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew sync(); 46504f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_dumpiov(&r_iovec[i]); 46604f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_dumpbits(bits, (nchunks+7)/8); 46704f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_orbits(hold_bits, bits, (nchunks+7)/8); 4684bb656a129f7507823e9e6d6b98b1a02fd80ef89subrata_modak tst_resm(TINFO, "\tHold "); 46904f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_dumpbits(hold_bits, (nchunks+7)/8); 47024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 47124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 47224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 47324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 47424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 47524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Writev it. 47624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 477f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (lseek(fd, -xfr, 1) < 0) { 478af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: lseek(1) fail at %x, errno = %d.", 47924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, CHUNK(chunk), errno); 48024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 48124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 48224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if ((xfr = writev(fd, &val_iovec[0], MAXIOVCNT)) < csize) { 48324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (errno == ENOSPC) { 484af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: no space, exiting.", me); 48524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew fsync(fd); 48624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 48724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 488af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: writev fail at %x xfr %d, errno = %d.", 48924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew me, CHUNK(chunk), xfr, errno); 49024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 49124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 49224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (CHUNK(chunk) + csize > file_max) 49324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew file_max = CHUNK(chunk) + csize; 49424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 49524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * If hit "misc" interval, do it. 49624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 49724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (misc_intvl && --whenmisc <= 0) { 49804f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modak ft_orbits(hold_bits, bits, (nchunks+7)/8); 49924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew domisc(me, fd, bits); 50024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew whenmisc = NEXTMISC; 50124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 50224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (count + collide > 2 * nchunks) 50324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew break; 50424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 50524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 50624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 50724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * End of iteration, maybe before doing all chunks. 50824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 50924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 51024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew fsync(fd); 511f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak ++misc_cnt[m_fsync]; 512af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier //tst_resm(TINFO, "\tTest{%d} val %d done, count = %d, collide = {%d}", 51324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew // me, val, count, collide); 514df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper //for (i = 0; i < NMISC; i++) 515af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier // tst_resm(TINFO, "\t\tTest{%d}: {%d} %s's.", me, misc_cnt[i], m_str[i]); 51624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew ++val; 51724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 51824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 51924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 52024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew/* 52124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * Inject misc syscalls into the thing. 52224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 523f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modakstatic void domisc(int me, int fd, char *bits) 52424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 525f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak int chunk; 526f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak struct stat sb; 52724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 528f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (type > m_fstat) 52924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew type = m_fsync; 530f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 53124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew switch(type) { 53224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew case m_fsync: 53324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (fsync(fd) < 0) { 534af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: fsync error %d.", me, errno); 53524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 53624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 53724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew break; 53824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew case m_trunc: 53924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew chunk = rand() % (file_max / csize); 54024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew file_max = CHUNK(chunk); 54124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew last_trunc = file_max; 54224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (tr_flag) { 54324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (ftruncate(fd, file_max) < 0) { 544af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: ftruncate error %d @ 0x%x.", me, errno, file_max); 54524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 54624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 54724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tr_flag = 0; 54824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } else { 54924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (truncate(test_name, file_max) < 0) { 550af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: truncate error %d @ 0x%x.", me, errno, file_max); 55124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 55224e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 55324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tr_flag = 1; 55424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 555df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (; chunk%8 != 0; chunk++) 55624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew bits[chunk/8] &= ~(1<<(chunk%8)); 557df3eb16e38c6a163b0a7367c885679eed6140964Garrett Cooper for (; chunk < nchunks; chunk += 8) 55824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew bits[chunk/8] = 0; 55924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew break; 56024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew case m_fstat: 56124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (fstat(fd, &sb) < 0) { 562af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TFAIL, "\tTest[%d]: fstat() error %d.", me, errno); 56324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 56424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 56524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (sb.st_size != file_max) { 566f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak tst_resm(TFAIL, "\tTest[%d]: fstat() mismatch; st_size=%"PRIx64",file_max=%x.", 567f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak me, (int64_t)sb.st_size, file_max); 56824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 56924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 57024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew break; 57124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 572f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 573f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak ++misc_cnt[type]; 574f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak ++type; 57524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew} 57624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 577f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak/* 578f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak * SIGTERM signal handler. 57924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 58004f47a16e2a3c646d0b0b1e67ef14bf29342620dsubrata_modakstatic void term(int sig LTP_ATTRIBUTE_UNUSED) 58124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew{ 582f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak int i; 58324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 584af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TINFO, "\tterm -[%d]- got sig term.", getpid()); 58524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 58624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew /* 58724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * If run by hand we like to have the parent send the signal to 58824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew * the child processes. This makes life easy. 58924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew */ 59024e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (parent_pid == getpid()) { 591f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak for (i = 0; i < nchild; i++) 592f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak if (pidlist[i]) 59324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew kill(pidlist[i], SIGTERM); 594f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak return; 59524e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew } 59624e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 597af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TINFO, "\tunlinking '%s'", test_name); 59824e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew 59924e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew close(fd); 600f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 60124e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew if (unlink(test_name)) 602af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "Unlink of '%s' failed, errno = %d.", 60324e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew test_name, errno); 60424e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew else 605af64a878a5f86f98675e1d00691f12f9fa57bd8fvapier tst_resm(TBROK, "Unlink of '%s' successful.", test_name); 606f17ac84cca81829c4588e59b42495b8aea0fa362subrata_modak 60724e30ab69eb6e1b128ea1eb2dc12df4066c2227erobbiew tst_exit(); 608ec6edca7aa42b6affd989ef91b5897f96795e40fChris Dearman} 609