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-rw-r--r--contrib/fsstress.c2708
1 files changed, 2708 insertions, 0 deletions
diff --git a/contrib/fsstress.c b/contrib/fsstress.c
new file mode 100644
index 0000000..2136a90
--- /dev/null
+++ b/contrib/fsstress.c
@@ -0,0 +1,2708 @@
+/*
+ * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like. Any license provided herein, whether implied or
+ * otherwise, applies only to this software file. Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA 94043, or:
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+
+#define NO_XFS
+#define HAVE_SYS_PRCTL_H
+#define _LARGEFILE64_SOURCE
+
+#define MAXNAMELEN 1024
+struct dioattr {
+ int d_miniosz, d_maxiosz, d_mem;
+};
+
+#define MIN(a,b) ((a)<(b) ? (a):(b))
+#define MAX(a,b) ((a)>(b) ? (a):(b))
+
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#ifndef O_DIRECT
+#define O_DIRECT 040000
+#endif
+
+#ifdef HAVE_SYS_PRCTL_H
+# include <sys/prctl.h>
+#endif
+
+#define XFS_ERRTAG_MAX 17
+
+typedef enum {
+#ifndef NO_XFS
+ OP_ALLOCSP,
+ OP_ATTR_REMOVE,
+ OP_ATTR_SET,
+ OP_BULKSTAT,
+ OP_BULKSTAT1,
+#endif
+ OP_CHOWN,
+ OP_CREAT,
+ OP_DREAD,
+ OP_DWRITE,
+ OP_FDATASYNC,
+#ifndef NO_XFS
+ OP_FREESP,
+#endif
+ OP_FSYNC,
+ OP_GETDENTS,
+ OP_LINK,
+ OP_MKDIR,
+ OP_MKNOD,
+ OP_READ,
+ OP_READLINK,
+ OP_RENAME,
+#ifndef NO_XFS
+ OP_RESVSP,
+#endif
+ OP_RMDIR,
+ OP_STAT,
+ OP_SYMLINK,
+ OP_SYNC,
+ OP_TRUNCATE,
+ OP_UNLINK,
+#ifndef NO_XFS
+ OP_UNRESVSP,
+#endif
+ OP_WRITE,
+ OP_LAST
+} opty_t;
+
+typedef void (*opfnc_t) (int, long);
+
+typedef struct opdesc {
+ opty_t op;
+ char *name;
+ opfnc_t func;
+ int freq;
+ int iswrite;
+ int isxfs;
+} opdesc_t;
+
+typedef struct fent {
+ int id;
+ int parent;
+} fent_t;
+
+typedef struct flist {
+ int nfiles;
+ int nslots;
+ int tag;
+ fent_t *fents;
+} flist_t;
+
+typedef struct pathname {
+ int len;
+ char *path;
+} pathname_t;
+
+#define FT_DIR 0
+#define FT_DIRm (1 << FT_DIR)
+#define FT_REG 1
+#define FT_REGm (1 << FT_REG)
+#define FT_SYM 2
+#define FT_SYMm (1 << FT_SYM)
+#define FT_DEV 3
+#define FT_DEVm (1 << FT_DEV)
+#define FT_RTF 4
+#define FT_RTFm (1 << FT_RTF)
+#define FT_nft 5
+#define FT_ANYm ((1 << FT_nft) - 1)
+#define FT_REGFILE (FT_REGm | FT_RTFm)
+#define FT_NOTDIR (FT_ANYm & ~FT_DIRm)
+
+#define FLIST_SLOT_INCR 16
+#define NDCACHE 64
+
+#define MAXFSIZE ((1ULL << 63) - 1ULL)
+#define MAXFSIZE32 ((1ULL << 40) - 1ULL)
+
+void allocsp_f(int, long);
+void attr_remove_f(int, long);
+void attr_set_f(int, long);
+void bulkstat_f(int, long);
+void bulkstat1_f(int, long);
+void chown_f(int, long);
+void creat_f(int, long);
+void dread_f(int, long);
+void dwrite_f(int, long);
+void fdatasync_f(int, long);
+void freesp_f(int, long);
+void fsync_f(int, long);
+void getdents_f(int, long);
+void link_f(int, long);
+void mkdir_f(int, long);
+void mknod_f(int, long);
+void read_f(int, long);
+void readlink_f(int, long);
+void rename_f(int, long);
+void resvsp_f(int, long);
+void rmdir_f(int, long);
+void stat_f(int, long);
+void symlink_f(int, long);
+void sync_f(int, long);
+void truncate_f(int, long);
+void unlink_f(int, long);
+void unresvsp_f(int, long);
+void write_f(int, long);
+
+opdesc_t ops[] = {
+#ifndef NO_XFS
+ {OP_ALLOCSP, "allocsp", allocsp_f, 1, 1, 1},
+ {OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1, 1},
+ {OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1, 1},
+ {OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0, 1},
+ {OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0, 1},
+#endif
+ {OP_CHOWN, "chown", chown_f, 3, 1, 0},
+ {OP_CREAT, "creat", creat_f, 4, 1, 0},
+ {OP_DREAD, "dread", dread_f, 4, 0, 0},
+ {OP_DWRITE, "dwrite", dwrite_f, 4, 1, 0},
+ {OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1, 0},
+#ifndef NO_XFS
+ {OP_FREESP, "freesp", freesp_f, 1, 1, 1},
+#endif
+ {OP_FSYNC, "fsync", fsync_f, 1, 1, 0},
+ {OP_GETDENTS, "getdents", getdents_f, 1, 0, 0},
+ {OP_LINK, "link", link_f, 1, 1, 0},
+ {OP_MKDIR, "mkdir", mkdir_f, 2, 1, 0},
+ {OP_MKNOD, "mknod", mknod_f, 2, 1, 0},
+ {OP_READ, "read", read_f, 1, 0, 0},
+ {OP_READLINK, "readlink", readlink_f, 1, 0, 0},
+ {OP_RENAME, "rename", rename_f, 2, 1, 0},
+#ifndef NO_XFS
+ {OP_RESVSP, "resvsp", resvsp_f, 1, 1, 1},
+#endif
+ {OP_RMDIR, "rmdir", rmdir_f, 1, 1, 0},
+ {OP_STAT, "stat", stat_f, 1, 0, 0},
+ {OP_SYMLINK, "symlink", symlink_f, 2, 1, 0},
+ {OP_SYNC, "sync", sync_f, 1, 0, 0},
+ {OP_TRUNCATE, "truncate", truncate_f, 2, 1, 0},
+ {OP_UNLINK, "unlink", unlink_f, 1, 1, 0},
+#ifndef NO_XFS
+ {OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1, 1},
+#endif
+ {OP_WRITE, "write", write_f, 4, 1, 0},
+}, *ops_end;
+
+flist_t flist[FT_nft] = {
+ {0, 0, 'd', NULL},
+ {0, 0, 'f', NULL},
+ {0, 0, 'l', NULL},
+ {0, 0, 'c', NULL},
+ {0, 0, 'r', NULL},
+};
+
+int dcache[NDCACHE];
+int errrange;
+int errtag;
+opty_t *freq_table;
+int freq_table_size;
+#ifndef NO_XFS
+xfs_fsop_geom_t geom;
+#endif
+char *homedir;
+int *ilist;
+int ilistlen;
+off64_t maxfsize;
+char *myprog;
+int namerand;
+int nameseq;
+int nops;
+int nproc = 1;
+int operations = 1;
+int procid;
+int rtpct;
+unsigned long seed = 0;
+ino_t top_ino;
+int verbose = 0;
+#ifndef NO_XFS
+int no_xfs = 0;
+#else
+int no_xfs = 1;
+#endif
+sig_atomic_t should_stop = 0;
+
+void add_to_flist(int, int, int);
+void append_pathname(pathname_t *, char *);
+#ifndef NO_XFS
+int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
+int attr_remove_path(pathname_t *, const char *, int);
+int attr_set_path(pathname_t *, const char *, const char *, const int, int);
+#endif
+void check_cwd(void);
+int creat_path(pathname_t *, mode_t);
+void dcache_enter(int, int);
+void dcache_init(void);
+fent_t *dcache_lookup(int);
+void dcache_purge(int);
+void del_from_flist(int, int);
+int dirid_to_name(char *, int);
+void doproc(void);
+void fent_to_name(pathname_t *, flist_t *, fent_t *);
+void fix_parent(int, int);
+void free_pathname(pathname_t *);
+int generate_fname(fent_t *, int, pathname_t *, int *, int *);
+int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
+void init_pathname(pathname_t *);
+int lchown_path(pathname_t *, uid_t, gid_t);
+int link_path(pathname_t *, pathname_t *);
+int lstat64_path(pathname_t *, struct stat64 *);
+void make_freq_table(void);
+int mkdir_path(pathname_t *, mode_t);
+int mknod_path(pathname_t *, mode_t, dev_t);
+void namerandpad(int, char *, int);
+int open_path(pathname_t *, int);
+DIR *opendir_path(pathname_t *);
+void process_freq(char *);
+int readlink_path(pathname_t *, char *, size_t);
+int rename_path(pathname_t *, pathname_t *);
+int rmdir_path(pathname_t *);
+void separate_pathname(pathname_t *, char *, pathname_t *);
+void show_ops(int, char *);
+int stat64_path(pathname_t *, struct stat64 *);
+int symlink_path(const char *, pathname_t *);
+int truncate64_path(pathname_t *, off64_t);
+int unlink_path(pathname_t *);
+void usage(void);
+void write_freq(void);
+void zero_freq(void);
+
+void sg_handler(int signum)
+{
+ should_stop = 1;
+}
+
+int main(int argc, char **argv)
+{
+ char buf[10];
+ int c;
+ char *dirname = NULL;
+ int fd;
+ int i;
+ int cleanup = 0;
+ int loops = 1;
+ int loopcntr = 1;
+ char cmd[256];
+#ifndef NO_XFS
+ int j;
+#endif
+ char *p;
+ int stat;
+ struct timeval t;
+#ifndef NO_XFS
+ ptrdiff_t srval;
+#endif
+ int nousage = 0;
+#ifndef NO_XFS
+ xfs_error_injection_t err_inj;
+#endif
+ struct sigaction action;
+
+ errrange = errtag = 0;
+ umask(0);
+ nops = sizeof(ops) / sizeof(ops[0]);
+ ops_end = &ops[nops];
+ myprog = argv[0];
+ while ((c = getopt(argc, argv, "cd:e:f:i:l:n:p:rs:vwzHSX")) != -1) {
+ switch (c) {
+ case 'c':
+ /*Don't cleanup */
+ cleanup = 1;
+ break;
+ case 'd':
+ dirname = optarg;
+ break;
+ case 'e':
+ sscanf(optarg, "%d", &errtag);
+ if (errtag < 0) {
+ errtag = -errtag;
+ errrange = 1;
+ } else if (errtag == 0)
+ errtag = -1;
+ if (errtag >= XFS_ERRTAG_MAX) {
+ fprintf(stderr,
+ "error tag %d too large (max %d)\n",
+ errtag, XFS_ERRTAG_MAX - 1);
+ exit(1);
+ }
+ break;
+ case 'f':
+ process_freq(optarg);
+ break;
+ case 'i':
+ ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
+ ilist[ilistlen - 1] = strtol(optarg, &p, 16);
+ break;
+ case 'l':
+ loops = atoi(optarg);
+ break;
+ case 'n':
+ operations = atoi(optarg);
+ break;
+ case 'p':
+ nproc = atoi(optarg);
+ break;
+ case 'r':
+ namerand = 1;
+ break;
+ case 's':
+ seed = strtoul(optarg, NULL, 0);
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ case 'w':
+ write_freq();
+ break;
+ case 'z':
+ zero_freq();
+ break;
+ case 'S':
+ show_ops(0, NULL);
+ printf("\n");
+ nousage = 1;
+ break;
+ case '?':
+ fprintf(stderr, "%s - invalid parameters\n", myprog);
+ /* fall through */
+ case 'H':
+ usage();
+ exit(1);
+ case 'X':
+ no_xfs = 1;
+ break;
+ }
+ }
+
+ if (no_xfs && errtag) {
+ fprintf(stderr, "error injection only works on XFS\n");
+ exit(1);
+ }
+
+ if (no_xfs) {
+ int i;
+ for (i = 0; ops + i < ops_end; ++i) {
+ if (ops[i].isxfs)
+ ops[i].freq = 0;
+ }
+ }
+
+ make_freq_table();
+
+ while (((loopcntr <= loops) || (loops == 0)) && !should_stop) {
+ if (!dirname) {
+ /* no directory specified */
+ if (!nousage)
+ usage();
+ exit(1);
+ }
+
+ (void)mkdir(dirname, 0777);
+ if (chdir(dirname) < 0) {
+ perror(dirname);
+ exit(1);
+ }
+ sprintf(buf, "fss%x", getpid());
+ fd = creat(buf, 0666);
+ if (lseek64(fd, (off64_t) (MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
+ maxfsize = (off64_t) MAXFSIZE32;
+ else
+ maxfsize = (off64_t) MAXFSIZE;
+ dcache_init();
+ setlinebuf(stdout);
+ if (!seed) {
+ gettimeofday(&t, NULL);
+ seed = (int)t.tv_sec ^ (int)t.tv_usec;
+ printf("seed = %ld\n", seed);
+ }
+#ifndef NO_XFS
+ if (!no_xfs) {
+ memset(&geom, 0, sizeof(geom));
+ i = ioctl(fd, XFS_IOC_FSGEOMETRY, &geom);
+ if (i >= 0 && geom.rtblocks)
+ rtpct = MIN(MAX(geom.rtblocks * 100 /
+ (geom.rtblocks +
+ geom.datablocks), 1), 99);
+ else
+ rtpct = 0;
+ }
+ if (errtag != 0) {
+ if (errrange == 0) {
+ if (errtag <= 0) {
+ srandom(seed);
+ j = random() % 100;
+
+ for (i = 0; i < j; i++)
+ (void)random();
+
+ errtag =
+ (random() % (XFS_ERRTAG_MAX - 1)) +
+ 1;
+ }
+ } else {
+ srandom(seed);
+ j = random() % 100;
+
+ for (i = 0; i < j; i++)
+ (void)random();
+
+ errtag +=
+ (random() % (XFS_ERRTAG_MAX - errtag));
+ }
+ printf("Injecting failure on tag #%d\n", errtag);
+ memset(&err_inj, 0, sizeof(err_inj));
+ err_inj.errtag = errtag;
+ err_inj.fd = fd;
+ srval = ioctl(fd, XFS_IOC_ERROR_INJECTION, &err_inj);
+ if (srval < -1) {
+ perror
+ ("fsstress - XFS_SYSSGI error injection call");
+ close(fd);
+ unlink(buf);
+ exit(1);
+ }
+ } else
+#endif
+ close(fd);
+ unlink(buf);
+
+
+ if (nproc == 1) {
+ procid = 0;
+ doproc();
+ } else {
+ setpgid(0, 0);
+ action.sa_handler = sg_handler;
+ sigemptyset(&action.sa_mask);
+ action.sa_flags = 0;
+ if (sigaction(SIGTERM, &action, 0)) {
+ perror("sigaction failed");
+ exit(1);
+ }
+
+ for (i = 0; i < nproc; i++) {
+ if (fork() == 0) {
+
+ action.sa_handler = SIG_DFL;
+ sigemptyset(&action.sa_mask);
+ if (sigaction(SIGTERM, &action, 0))
+ return 1;
+#ifdef HAVE_SYS_PRCTL_H
+ prctl(PR_SET_PDEATHSIG, SIGKILL);
+ if (getppid() == 1) /* parent died already? */
+ return 0;
+#endif
+ procid = i;
+ doproc();
+ return 0;
+ }
+ }
+ while (wait(&stat) > 0 && !should_stop) {
+ continue;
+ }
+ if (should_stop) {
+ action.sa_flags = SA_RESTART;
+ sigaction(SIGTERM, &action, 0);
+ kill(-getpid(), SIGTERM);
+ while (wait(&stat) > 0)
+ continue;
+ }
+ }
+#ifndef NO_XFS
+ if (errtag != 0) {
+ memset(&err_inj, 0, sizeof(err_inj));
+ err_inj.errtag = 0;
+ err_inj.fd = fd;
+ if ((srval =
+ ioctl(fd, XFS_IOC_ERROR_CLEARALL,
+ &err_inj)) != 0) {
+ fprintf(stderr, "Bad ej clear on %d (%d).\n",
+ fd, errno);
+ perror
+ ("fsstress - XFS_SYSSGI clear error injection call");
+ close(fd);
+ exit(1);
+ }
+ close(fd);
+ }
+#endif
+ if (cleanup == 0) {
+ sprintf(cmd, "rm -rf %s/*", dirname);
+ system(cmd);
+ for (i = 0; i < FT_nft; i++) {
+ flist[i].nslots = 0;
+ flist[i].nfiles = 0;
+ free(flist[i].fents);
+ flist[i].fents = NULL;
+ }
+ }
+ loopcntr++;
+ }
+ return 0;
+}
+
+void add_to_flist(int ft, int id, int parent)
+{
+ fent_t *fep;
+ flist_t *ftp;
+
+ ftp = &flist[ft];
+ if (ftp->nfiles == ftp->nslots) {
+ ftp->nslots += FLIST_SLOT_INCR;
+ ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
+ }
+ fep = &ftp->fents[ftp->nfiles++];
+ fep->id = id;
+ fep->parent = parent;
+}
+
+void append_pathname(pathname_t * name, char *str)
+{
+ int len;
+ char *path;
+
+ len = strlen(str);
+#ifdef DEBUG
+ if (len && *str == '/' && name->len == 0) {
+ fprintf(stderr, "fsstress: append_pathname failure\n");
+ chdir(homedir);
+ abort();
+
+ }
+#endif
+ path = realloc(name->path, name->len + 1 + len);
+ if (path == NULL) {
+ fprintf(stderr, "fsstress: append_pathname realloc failed\n");
+ chdir(homedir);
+ abort();
+ }
+ name->path = path;
+ strcpy(&name->path[name->len], str);
+ name->len += len;
+}
+
+#ifndef NO_XFS
+int
+attr_list_path(pathname_t * name, char *buffer, const int buffersize, int flags,
+ attrlist_cursor_t * cursor)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = attr_list(name->path, buffer, buffersize, flags, cursor);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = attr_list_path(&newname, buffer, buffersize, flags,
+ cursor);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+int attr_remove_path(pathname_t * name, const char *attrname, int flags)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = attr_remove(name->path, attrname, flags);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = attr_remove_path(&newname, attrname, flags);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+int
+attr_set_path(pathname_t * name, const char *attrname, const char *attrvalue,
+ const int valuelength, int flags)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
+ flags);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+#endif
+
+void check_cwd(void)
+{
+#ifdef DEBUG
+ struct stat64 statbuf;
+
+ if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
+ return;
+ chdir(homedir);
+ fprintf(stderr, "fsstress: check_cwd failure\n");
+ abort();
+
+#endif
+}
+
+int creat_path(pathname_t * name, mode_t mode)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = creat(name->path, mode);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = creat_path(&newname, mode);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+void dcache_enter(int dirid, int slot)
+{
+ dcache[dirid % NDCACHE] = slot;
+}
+
+void dcache_init(void)
+{
+ int i;
+
+ for (i = 0; i < NDCACHE; i++)
+ dcache[i] = -1;
+}
+
+fent_t *dcache_lookup(int dirid)
+{
+ fent_t *fep;
+ int i;
+
+ i = dcache[dirid % NDCACHE];
+ if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
+ return fep;
+ return NULL;
+}
+
+void dcache_purge(int dirid)
+{
+ int *dcp;
+
+ dcp = &dcache[dirid % NDCACHE];
+ if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
+ *dcp = -1;
+}
+
+void del_from_flist(int ft, int slot)
+{
+ flist_t *ftp;
+
+ ftp = &flist[ft];
+ if (ft == FT_DIR)
+ dcache_purge(ftp->fents[slot].id);
+ if (slot != ftp->nfiles - 1) {
+ if (ft == FT_DIR)
+ dcache_purge(ftp->fents[ftp->nfiles - 1].id);
+ ftp->fents[slot] = ftp->fents[--ftp->nfiles];
+ } else
+ ftp->nfiles--;
+}
+
+fent_t *dirid_to_fent(int dirid)
+{
+ fent_t *efep;
+ fent_t *fep;
+ flist_t *flp;
+
+ if ((fep = dcache_lookup(dirid)))
+ return fep;
+ flp = &flist[FT_DIR];
+ for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
+ if (fep->id == dirid) {
+ dcache_enter(dirid, fep - flp->fents);
+ return fep;
+ }
+ }
+ return NULL;
+}
+
+void doproc(void)
+{
+ struct stat64 statbuf;
+ char buf[10];
+ int opno;
+ int rval;
+ opdesc_t *p;
+
+ sprintf(buf, "p%x", procid);
+ (void)mkdir(buf, 0777);
+ if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
+ perror(buf);
+ _exit(1);
+ }
+ top_ino = statbuf.st_ino;
+ homedir = getcwd(NULL, -1);
+ seed += procid;
+ srandom(seed);
+ if (namerand)
+ namerand = random();
+ for (opno = 0; opno < operations; opno++) {
+ p = &ops[freq_table[random() % freq_table_size]];
+ if ((unsigned long)p->func < 4096)
+ abort();
+
+ p->func(opno, random());
+ /*
+ * test for forced shutdown by stat'ing the test
+ * directory. If this stat returns EIO, assume
+ * the forced shutdown happened.
+ */
+ if (errtag != 0 && opno % 100 == 0) {
+ rval = stat64(".", &statbuf);
+ if (rval == EIO) {
+ fprintf(stderr, "Detected EIO\n");
+ return;
+ }
+ }
+ }
+}
+
+void fent_to_name(pathname_t * name, flist_t * flp, fent_t * fep)
+{
+ char buf[MAXNAMELEN];
+ int i;
+ fent_t *pfep;
+
+ if (fep == NULL)
+ return;
+ if (fep->parent != -1) {
+ pfep = dirid_to_fent(fep->parent);
+ fent_to_name(name, &flist[FT_DIR], pfep);
+ append_pathname(name, "/");
+ }
+ i = sprintf(buf, "%c%x", flp->tag, fep->id);
+ namerandpad(fep->id, buf, i);
+ append_pathname(name, buf);
+}
+
+void fix_parent(int oldid, int newid)
+{
+ fent_t *fep;
+ flist_t *flp;
+ int i;
+ int j;
+
+ for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
+ for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
+ if (fep->parent == oldid)
+ fep->parent = newid;
+ }
+ }
+}
+
+void free_pathname(pathname_t * name)
+{
+ if (name->path) {
+ free(name->path);
+ name->path = NULL;
+ name->len = 0;
+ }
+}
+
+int generate_fname(fent_t * fep, int ft, pathname_t * name, int *idp, int *v)
+{
+ char buf[MAXNAMELEN];
+ flist_t *flp;
+ int id;
+ int j;
+ int len;
+
+ flp = &flist[ft];
+ len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
+ namerandpad(id, buf, len);
+ if (fep) {
+ fent_to_name(name, &flist[FT_DIR], fep);
+ append_pathname(name, "/");
+ }
+ append_pathname(name, buf);
+ *idp = id;
+ *v = verbose;
+ for (j = 0; !*v && j < ilistlen; j++) {
+ if (ilist[j] == id) {
+ *v = 1;
+ break;
+ }
+ }
+ return 1;
+}
+
+int
+get_fname(int which, long r, pathname_t * name, flist_t ** flpp, fent_t ** fepp,
+ int *v)
+{
+ int c;
+ fent_t *fep;
+ flist_t *flp;
+ int i;
+ int j;
+ int x;
+
+ for (i = 0, c = 0, flp = flist; i < FT_nft; i++, flp++) {
+ if (which & (1 << i))
+ c += flp->nfiles;
+ }
+ if (c == 0) {
+ if (flpp)
+ *flpp = NULL;
+ if (fepp)
+ *fepp = NULL;
+ *v = verbose;
+ return 0;
+ }
+ x = (int)(r % c);
+ for (i = 0, c = 0, flp = flist; i < FT_nft; i++, flp++) {
+ if (which & (1 << i)) {
+ if (x < c + flp->nfiles) {
+ fep = &flp->fents[x - c];
+ if (name)
+ fent_to_name(name, flp, fep);
+ if (flpp)
+ *flpp = flp;
+ if (fepp)
+ *fepp = fep;
+ *v = verbose;
+ for (j = 0; !*v && j < ilistlen; j++) {
+ if (ilist[j] == fep->id) {
+ *v = 1;
+ break;
+ }
+ }
+ return 1;
+ }
+ c += flp->nfiles;
+ }
+ }
+#ifdef DEBUG
+ fprintf(stderr, "fsstress: get_fname failure\n");
+ abort();
+#endif
+ return -1;
+
+}
+
+void init_pathname(pathname_t * name)
+{
+ name->len = 0;
+ name->path = NULL;
+}
+
+int lchown_path(pathname_t * name, uid_t owner, gid_t group)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = lchown(name->path, owner, group);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = lchown_path(&newname, owner, group);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+int link_path(pathname_t * name1, pathname_t * name2)
+{
+ char buf1[MAXNAMELEN];
+ char buf2[MAXNAMELEN];
+ int down1;
+ pathname_t newname1;
+ pathname_t newname2;
+ int rval;
+
+ rval = link(name1->path, name2->path);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name1, buf1, &newname1);
+ separate_pathname(name2, buf2, &newname2);
+ if (strcmp(buf1, buf2) == 0) {
+ if (chdir(buf1) == 0) {
+ rval = link_path(&newname1, &newname2);
+ chdir("..");
+ }
+ } else {
+ if (strcmp(buf1, "..") == 0)
+ down1 = 0;
+ else if (strcmp(buf2, "..") == 0)
+ down1 = 1;
+ else if (strlen(buf1) == 0)
+ down1 = 0;
+ else if (strlen(buf2) == 0)
+ down1 = 1;
+ else
+ down1 = MAX(newname1.len, 3 + name2->len) <=
+ MAX(3 + name1->len, newname2.len);
+ if (down1) {
+ free_pathname(&newname2);
+ append_pathname(&newname2, "../");
+ append_pathname(&newname2, name2->path);
+ if (chdir(buf1) == 0) {
+ rval = link_path(&newname1, &newname2);
+ chdir("..");
+ }
+ } else {
+ free_pathname(&newname1);
+ append_pathname(&newname1, "../");
+ append_pathname(&newname1, name1->path);
+ if (chdir(buf2) == 0) {
+ rval = link_path(&newname1, &newname2);
+ chdir("..");
+ }
+ }
+ }
+ free_pathname(&newname1);
+ free_pathname(&newname2);
+ return rval;
+}
+
+int lstat64_path(pathname_t * name, struct stat64 *sbuf)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = lstat64(name->path, sbuf);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = lstat64_path(&newname, sbuf);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+void make_freq_table(void)
+{
+ int f;
+ int i;
+ opdesc_t *p;
+
+ for (p = ops, f = 0; p < ops_end; p++)
+ f += p->freq;
+ freq_table = malloc(f * sizeof(*freq_table));
+ freq_table_size = f;
+ for (p = ops, i = 0; p < ops_end; p++) {
+ for (f = 0; f < p->freq; f++, i++)
+ freq_table[i] = p->op;
+ }
+}
+
+int mkdir_path(pathname_t * name, mode_t mode)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = mkdir(name->path, mode);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = mkdir_path(&newname, mode);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+int mknod_path(pathname_t * name, mode_t mode, dev_t dev)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = mknod(name->path, mode, dev);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = mknod_path(&newname, mode, dev);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+void namerandpad(int id, char *buf, int i)
+{
+ int bucket;
+ static int buckets[] = { 2, 4, 8, 16, 32, 64, 128, MAXNAMELEN - 1 };
+ int padlen;
+ int padmod;
+
+ if (namerand == 0)
+ return;
+ bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
+ padmod = buckets[bucket] + 1 - i;
+ if (padmod <= 0)
+ return;
+ padlen = (id ^ namerand) % padmod;
+ if (padlen) {
+ memset(&buf[i], 'X', padlen);
+ buf[i + padlen] = '\0';
+ }
+}
+
+int open_path(pathname_t * name, int oflag)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = open(name->path, oflag);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = open_path(&newname, oflag);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+DIR *opendir_path(pathname_t * name)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ DIR *rval;
+
+ rval = opendir(name->path);
+ if (rval || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = opendir_path(&newname);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+void process_freq(char *arg)
+{
+ opdesc_t *p;
+ char *s;
+
+ s = strchr(arg, '=');
+ if (s == NULL) {
+ fprintf(stderr, "bad argument '%s'\n", arg);
+ exit(1);
+ }
+ *s++ = '\0';
+ for (p = ops; p < ops_end; p++) {
+ if (strcmp(arg, p->name) == 0) {
+ p->freq = atoi(s);
+ return;
+ }
+ }
+ fprintf(stderr, "can't find op type %s for -f\n", arg);
+ exit(1);
+}
+
+int readlink_path(pathname_t * name, char *lbuf, size_t lbufsiz)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = readlink(name->path, lbuf, lbufsiz);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = readlink_path(&newname, lbuf, lbufsiz);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+int rename_path(pathname_t * name1, pathname_t * name2)
+{
+ char buf1[MAXNAMELEN];
+ char buf2[MAXNAMELEN];
+ int down1;
+ pathname_t newname1;
+ pathname_t newname2;
+ int rval;
+
+ rval = rename(name1->path, name2->path);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name1, buf1, &newname1);
+ separate_pathname(name2, buf2, &newname2);
+ if (strcmp(buf1, buf2) == 0) {
+ if (chdir(buf1) == 0) {
+ rval = rename_path(&newname1, &newname2);
+ chdir("..");
+ }
+ } else {
+ if (strcmp(buf1, "..") == 0)
+ down1 = 0;
+ else if (strcmp(buf2, "..") == 0)
+ down1 = 1;
+ else if (strlen(buf1) == 0)
+ down1 = 0;
+ else if (strlen(buf2) == 0)
+ down1 = 1;
+ else
+ down1 = MAX(newname1.len, 3 + name2->len) <=
+ MAX(3 + name1->len, newname2.len);
+ if (down1) {
+ free_pathname(&newname2);
+ append_pathname(&newname2, "../");
+ append_pathname(&newname2, name2->path);
+ if (chdir(buf1) == 0) {
+ rval = rename_path(&newname1, &newname2);
+ chdir("..");
+ }
+ } else {
+ free_pathname(&newname1);
+ append_pathname(&newname1, "../");
+ append_pathname(&newname1, name1->path);
+ if (chdir(buf2) == 0) {
+ rval = rename_path(&newname1, &newname2);
+ chdir("..");
+ }
+ }
+ }
+ free_pathname(&newname1);
+ free_pathname(&newname2);
+ return rval;
+}
+
+int rmdir_path(pathname_t * name)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = rmdir(name->path);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = rmdir_path(&newname);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+void separate_pathname(pathname_t * name, char *buf, pathname_t * newname)
+{
+ char *slash;
+
+ init_pathname(newname);
+ slash = strchr(name->path, '/');
+ if (slash == NULL) {
+ buf[0] = '\0';
+ return;
+ }
+ *slash = '\0';
+ strcpy(buf, name->path);
+ *slash = '/';
+ append_pathname(newname, slash + 1);
+}
+
+#define WIDTH 80
+
+void show_ops(int flag, char *lead_str)
+{
+ opdesc_t *p;
+
+ if (flag < 0) {
+ /* print in list form */
+ int x = WIDTH;
+
+ for (p = ops; p < ops_end; p++) {
+ if (lead_str != NULL
+ && x + strlen(p->name) >= WIDTH - 5)
+ x = printf("%s%s", (p == ops) ? "" : "\n",
+ lead_str);
+ x += printf("%s ", p->name);
+ }
+ printf("\n");
+ } else {
+ int f;
+ for (f = 0, p = ops; p < ops_end; p++)
+ f += p->freq;
+
+ if (f == 0)
+ flag = 1;
+
+ for (p = ops; p < ops_end; p++) {
+ if (flag != 0 || p->freq > 0) {
+ if (lead_str != NULL)
+ printf("%s", lead_str);
+ printf("%20s %d/%d %s\n",
+ p->name, p->freq, f,
+ (p->iswrite == 0) ? " " : "write op");
+ }
+ }
+ }
+}
+
+int stat64_path(pathname_t * name, struct stat64 *sbuf)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = stat64(name->path, sbuf);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = stat64_path(&newname, sbuf);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+int symlink_path(const char *name1, pathname_t * name)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ if (!strcmp(name1, name->path)) {
+ printf("yikes! %s %s\n", name1, name->path);
+ return 0;
+ }
+
+ rval = symlink(name1, name->path);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = symlink_path(name1, &newname);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+int truncate64_path(pathname_t * name, off64_t length)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = truncate64(name->path, length);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = truncate64_path(&newname, length);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+int unlink_path(pathname_t * name)
+{
+ char buf[MAXNAMELEN];
+ pathname_t newname;
+ int rval;
+
+ rval = unlink(name->path);
+ if (rval >= 0 || errno != ENAMETOOLONG)
+ return rval;
+ separate_pathname(name, buf, &newname);
+ if (chdir(buf) == 0) {
+ rval = unlink_path(&newname);
+ chdir("..");
+ }
+ free_pathname(&newname);
+ return rval;
+}
+
+void usage(void)
+{
+ printf("Usage: %s -H or\n", myprog);
+ printf
+ (" %s [-c][-d dir][-e errtg][-f op_name=freq][-l loops][-n nops]\n",
+ myprog);
+ printf(" [-p nproc][-r len][-s seed][-v][-w][-z][-S]\n");
+ printf("where\n");
+ printf
+ (" -c specifies not to remove files(cleanup) after execution\n");
+ printf
+ (" -d dir specifies the base directory for operations\n");
+ printf(" -e errtg specifies error injection stuff\n");
+ printf
+ (" -f op_name=freq changes the frequency of option name to freq\n");
+ printf(" the valid operation names are:\n");
+ show_ops(-1, " ");
+ printf
+ (" -l loops specifies the no. of times the testrun should loop.\n");
+ printf(" *use 0 for infinite (default 1)\n");
+ printf
+ (" -n nops specifies the no. of operations per process (default 1)\n");
+ printf
+ (" -p nproc specifies the no. of processes (default 1)\n");
+ printf(" -r specifies random name padding\n");
+ printf
+ (" -s seed specifies the seed for the random generator (default random)\n");
+ printf(" -v specifies verbose mode\n");
+ printf
+ (" -w zeros frequencies of non-write operations\n");
+ printf(" -z zeros frequencies of all operations\n");
+ printf
+ (" -S prints the table of operations (omitting zero frequency)\n");
+ printf(" -H prints usage and exits\n");
+ printf
+ (" -X don't do anything XFS specific (default with -DNO_XFS)\n");
+}
+
+void write_freq(void)
+{
+ opdesc_t *p;
+
+ for (p = ops; p < ops_end; p++) {
+ if (!p->iswrite)
+ p->freq = 0;
+ }
+}
+
+void zero_freq(void)
+{
+ opdesc_t *p;
+
+ for (p = ops; p < ops_end; p++)
+ p->freq = 0;
+}
+
+#ifndef NO_XFS
+
+void allocsp_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ int fd;
+ struct xfs_flock64 fl;
+ __s64 lr;
+ __s64 off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: allocsp - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_RDWR);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: allocsp - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: allocsp - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ lr = ((__s64) random() << 32) + random();
+ off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+ off %= maxfsize;
+ memset(&fl, 0, sizeof(fl));
+ fl.l_whence = SEEK_SET;
+ fl.l_start = off;
+ fl.l_len = 0;
+ e = ioctl(fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
+ if (v)
+ printf("%d/%d: ioctl(XFS_IOC_ALLOCSP64) %s %lld 0 %d\n",
+ procid, opno, f.path, (long long)off, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+void attr_remove_f(int opno, long r)
+{
+ attrlist_ent_t *aep;
+ attrlist_t *alist;
+ char *aname;
+ char buf[4096];
+ attrlist_cursor_t cursor;
+ int e;
+ int ent;
+ pathname_t f;
+ int total;
+ int v;
+ int which;
+
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+ append_pathname(&f, ".");
+ total = 0;
+ memset(&cursor, 0x00, sizeof(cursor));
+ do {
+ e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW,
+ &cursor);
+ check_cwd();
+ if (e)
+ break;
+ alist = (attrlist_t *) buf;
+ total += alist->al_count;
+ } while (alist->al_more);
+ if (total == 0) {
+ if (v)
+ printf("%d/%d: attr_remove - no attrs for %s\n",
+ procid, opno, f.path);
+ free_pathname(&f);
+ return;
+ }
+ which = (int)(random() % total);
+ memset(&cursor, 0x00, sizeof(cursor));
+ ent = 0;
+ aname = NULL;
+ do {
+ e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW,
+ &cursor);
+ check_cwd();
+ if (e)
+ break;
+ alist = (attrlist_t *) buf;
+ if (which < ent + alist->al_count) {
+ aep = (attrlist_ent_t *)
+ & buf[alist->al_offset[which - ent]];
+ aname = aep->a_name;
+ break;
+ }
+ ent += alist->al_count;
+ } while (alist->al_more);
+ if (aname == NULL) {
+ if (v)
+ printf("%d/%d: attr_remove - name %d not found at %s\n",
+ procid, opno, which, f.path);
+ free_pathname(&f);
+ return;
+ }
+ e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
+ check_cwd();
+ if (v)
+ printf("%d/%d: attr_remove %s %s %d\n",
+ procid, opno, f.path, aname, e);
+ free_pathname(&f);
+}
+
+void attr_set_f(int opno, long r)
+{
+ char aname[10];
+ char *aval;
+ int e;
+ pathname_t f;
+ int len;
+ static int lengths[] = { 10, 100, 1000, 10000 };
+ int li;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+ append_pathname(&f, ".");
+ sprintf(aname, "a%x", nameseq++);
+ li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
+ len = (int)(random() % lengths[li]);
+ if (len == 0)
+ len = 1;
+ aval = malloc(len);
+ memset(aval, nameseq & 0xff, len);
+ e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
+ errno : 0;
+ check_cwd();
+ free(aval);
+ if (v)
+ printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
+ aname, e);
+ free_pathname(&f);
+}
+
+void bulkstat_f(int opno, long r)
+{
+ __s32 count;
+ int fd;
+ __u64 last;
+ __s32 nent;
+ xfs_bstat_t *t;
+ __int64_t total;
+ xfs_fsop_bulkreq_t bsr;
+
+ last = 0;
+ nent = (r % 999) + 2;
+ t = malloc(nent * sizeof(*t));
+ fd = open(".", O_RDONLY);
+ total = 0;
+
+ memset(&bsr, 0, sizeof(bsr));
+ bsr.lastip = &last;
+ bsr.icount = nent;
+ bsr.ubuffer = t;
+ bsr.ocount = &count;
+
+ while (ioctl(fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
+ total += count;
+ free(t);
+ if (verbose)
+ printf("%d/%d: bulkstat nent %d total %lld\n",
+ procid, opno, (int)nent, (long long)total);
+ close(fd);
+}
+
+void bulkstat1_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ int fd;
+ int good;
+ __u64 ino;
+ struct stat64 s;
+ xfs_bstat_t t;
+ int v;
+ xfs_fsop_bulkreq_t bsr;
+
+ good = random() & 1;
+ if (good) {
+ /* use an inode we know exists */
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+ append_pathname(&f, ".");
+ ino = stat64_path(&f, &s) < 0 ? (ino64_t) r : s.st_ino;
+ check_cwd();
+ free_pathname(&f);
+ } else {
+ /*
+ * pick a random inode
+ *
+ * note this can generate kernel warning messages
+ * since bulkstat_one will read the disk block that
+ * would contain a given inode even if that disk
+ * block doesn't contain inodes.
+ *
+ * this is detected later, but not until after the
+ * warning is displayed.
+ *
+ * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
+ *
+ */
+ ino = (ino64_t) r;
+ v = verbose;
+ }
+ fd = open(".", O_RDONLY);
+
+ memset(&bsr, 0, sizeof(bsr));
+ bsr.lastip = &ino;
+ bsr.icount = 1;
+ bsr.ubuffer = &t;
+ bsr.ocount = NULL;
+
+ e = ioctl(fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
+ if (v)
+ printf("%d/%d: bulkstat1 %s ino %lld %d\n",
+ procid, opno, good ? "real" : "random",
+ (long long)ino, e);
+ close(fd);
+}
+
+#endif
+
+void chown_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ int nbits;
+ uid_t u;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+ append_pathname(&f, ".");
+ u = (uid_t) random();
+ nbits = (int)(random() % 32);
+ u &= (1 << nbits) - 1;
+ e = lchown_path(&f, u, -1) < 0 ? errno : 0;
+ check_cwd();
+ if (v)
+ printf("%d/%d: chown %s %d %d\n", procid, opno, f.path, u, e);
+ free_pathname(&f);
+}
+
+void creat_f(int opno, long r)
+{
+ int e;
+ int e1;
+ int extsize;
+ pathname_t f;
+ int fd;
+ fent_t *fep;
+ int id;
+ int parid;
+ int type;
+ int v;
+ int v1;
+ int esz = 0;
+
+ if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
+ parid = -1;
+ else
+ parid = fep->id;
+ init_pathname(&f);
+ type = rtpct ? ((random() % 100) > rtpct ? FT_REG : FT_RTF) : FT_REG;
+ if (type == FT_RTF)
+ extsize = (random() % 10) + 1;
+ else
+ extsize = 0;
+ e = generate_fname(fep, type, &f, &id, &v);
+ v |= v1;
+ if (!e) {
+ if (v) {
+ fent_to_name(&f, &flist[FT_DIR], fep);
+ printf("%d/%d: creat - no filename from %s\n",
+ procid, opno, f.path);
+ }
+ free_pathname(&f);
+ return;
+ }
+ fd = creat_path(&f, 0666);
+ e = fd < 0 ? errno : 0;
+ e1 = 0;
+ check_cwd();
+ esz = 0;
+ if (fd >= 0) {
+#ifndef NO_XFS
+ struct fsxattr a;
+ memset(&a, 0, sizeof(a));
+ if (extsize && ioctl(fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
+ a.fsx_xflags |= XFS_XFLAG_REALTIME;
+ a.fsx_extsize =
+ geom.rtextsize * geom.blocksize * extsize;
+ if (ioctl(fd, XFS_IOC_FSSETXATTR, &a) < 0)
+ e1 = errno;
+ esz = a.fsx_extsize;
+
+ }
+#endif
+ add_to_flist(type, id, parid);
+ close(fd);
+ }
+ if (v)
+ printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
+ esz, e, e1);
+ free_pathname(&f);
+}
+
+int setdirect(int fd)
+{
+ static int no_direct;
+ int flags;
+
+ if (no_direct)
+ return 0;
+
+ flags = fcntl(fd, F_GETFL, 0);
+ if (flags < 0)
+ return 0;
+
+ if (fcntl(fd, F_SETFL, flags | O_DIRECT) < 0) {
+ if (no_xfs) {
+ no_direct = 1;
+ return 0;
+ }
+ printf("cannot set O_DIRECT: %s\n", strerror(errno));
+ return 0;
+ }
+
+ return 1;
+}
+
+void dread_f(int opno, long r)
+{
+ __int64_t align;
+ char *buf = NULL;
+ struct dioattr diob;
+ int e;
+ pathname_t f;
+ int fd;
+ size_t len;
+ __int64_t lr;
+ off64_t off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: dread - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_RDONLY);
+
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: dread - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+
+ if (!setdirect(fd)) {
+ close(fd);
+ free_pathname(&f);
+ return;
+ }
+
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: dread - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ if (stb.st_size == 0) {
+ if (v)
+ printf("%d/%d: dread - %s zero size\n", procid, opno,
+ f.path);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+
+ memset(&diob, 0, sizeof(diob));
+ if (no_xfs) {
+ diob.d_miniosz = stb.st_blksize;
+ diob.d_maxiosz = stb.st_blksize * 256; /* good number ? */
+ diob.d_mem = stb.st_blksize;
+ }
+#ifndef NO_XFS
+ else if (ioctl(fd, XFS_IOC_DIOINFO, &diob) < 0) {
+ if (v)
+ printf
+ ("%d/%d: dread - ioctl(fd, XFS_IOC_DIOINFO) %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+#endif
+ align = (__int64_t) diob.d_miniosz;
+ lr = ((__int64_t) random() << 32) + random();
+ off = (off64_t) (lr % stb.st_size);
+ off -= (off % align);
+ lseek64(fd, off, SEEK_SET);
+ len = (random() % (getpagesize() * 32)) + 1;
+ len -= (len % align);
+ if (len <= 0)
+ len = align;
+ else if (len > diob.d_maxiosz)
+ len = diob.d_maxiosz;
+ if ((e = posix_memalign((void **)&buf, diob.d_mem, len)) != 0) {
+ fprintf(stderr, "posix_memalign: %s\n", strerror(e));
+ exit(1);
+ }
+ if (buf == NULL) {
+ fprintf(stderr, "posix_memalign: buf is NULL\n");
+ exit(1);
+ }
+ e = read(fd, buf, len) < 0 ? errno : 0;
+ free(buf);
+ if (v)
+ printf("%d/%d: dread %s [%lld,%ld] %d\n",
+ procid, opno, f.path, (long long int)off, (long)len, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+void dwrite_f(int opno, long r)
+{
+ __int64_t align;
+ char *buf = NULL;
+ struct dioattr diob;
+ int e;
+ pathname_t f;
+ int fd;
+ size_t len;
+ __int64_t lr;
+ off64_t off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: dwrite - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_WRONLY);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: dwrite - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+
+ if (!setdirect(fd)) {
+ close(fd);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: dwrite - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ memset(&diob, 0, sizeof(diob));
+ if (no_xfs) {
+ diob.d_miniosz = stb.st_blksize;
+ diob.d_maxiosz = stb.st_blksize * 256; /* good number ? */
+ diob.d_mem = stb.st_blksize;
+ }
+#ifndef NO_XFS
+ else if (ioctl(fd, XFS_IOC_DIOINFO, &diob) < 0) {
+ if (v)
+ printf
+ ("%d/%d: dwrite - ioctl(fd, XFS_IOC_DIOINFO) %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+#endif
+ align = (__int64_t) diob.d_miniosz;
+ lr = ((__int64_t) random() << 32) + random();
+ off = (off64_t) (lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
+ off -= (off % align);
+ lseek64(fd, off, SEEK_SET);
+ len = (random() % (getpagesize() * 32)) + 1;
+ len -= (len % align);
+ if (len <= 0)
+ len = align;
+ else if (len > diob.d_maxiosz)
+ len = diob.d_maxiosz;
+ if ((e = posix_memalign((void **)&buf, diob.d_mem, len)) != 0) {
+ fprintf(stderr, "posix_memalign: %s\n", strerror(e));
+ exit(1);
+ }
+ if (buf == NULL) {
+ fprintf(stderr, "posix_memalign: buf is NULL\n");
+ exit(1);
+ }
+ off %= maxfsize;
+ lseek64(fd, off, SEEK_SET);
+ memset(buf, nameseq & 0xff, len);
+ e = write(fd, buf, len) < 0 ? errno : 0;
+ free(buf);
+ if (v)
+ printf("%d/%d: dwrite %s [%lld,%ld] %d\n",
+ procid, opno, f.path, (long long)off, (long int)len, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+void fdatasync_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ int fd;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: fdatasync - no filename\n",
+ procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_WRONLY);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: fdatasync - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ e = fdatasync(fd) < 0 ? errno : 0;
+ if (v)
+ printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+#ifndef NO_XFS
+void freesp_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ int fd;
+ struct xfs_flock64 fl;
+ __s64 lr;
+ __s64 off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: freesp - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_RDWR);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: freesp - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: freesp - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ lr = ((__s64) random() << 32) + random();
+ off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+ off %= maxfsize;
+ memset(&fl, 0, sizeof(fl));
+ fl.l_whence = SEEK_SET;
+ fl.l_start = off;
+ fl.l_len = 0;
+ e = ioctl(fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
+ if (v)
+ printf("%d/%d: ioctl(XFS_IOC_FREESP64) %s %lld 0 %d\n",
+ procid, opno, f.path, (long long)off, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+#endif
+
+void fsync_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ int fd;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: fsync - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_WRONLY);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: fsync - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ e = fsync(fd) < 0 ? errno : 0;
+ if (v)
+ printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+void getdents_f(int opno, long r)
+{
+ DIR *dir;
+ pathname_t f;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
+ append_pathname(&f, ".");
+ dir = opendir_path(&f);
+ check_cwd();
+ if (dir == NULL) {
+ if (v)
+ printf("%d/%d: getdents - can't open %s\n",
+ procid, opno, f.path);
+ free_pathname(&f);
+ return;
+ }
+ while (readdir64(dir) != NULL)
+ continue;
+ if (v)
+ printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
+ free_pathname(&f);
+ closedir(dir);
+}
+
+void link_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ fent_t *fep;
+ flist_t *flp;
+ int id;
+ pathname_t l;
+ int parid;
+ int v;
+ int v1;
+
+ init_pathname(&f);
+ if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
+ if (v1)
+ printf("%d/%d: link - no file\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
+ parid = -1;
+ else
+ parid = fep->id;
+ v |= v1;
+ init_pathname(&l);
+ e = generate_fname(fep, flp - flist, &l, &id, &v1);
+ v |= v1;
+ if (!e) {
+ if (v) {
+ fent_to_name(&l, &flist[FT_DIR], fep);
+ printf("%d/%d: link - no filename from %s\n",
+ procid, opno, l.path);
+ }
+ free_pathname(&l);
+ free_pathname(&f);
+ return;
+ }
+ e = link_path(&f, &l) < 0 ? errno : 0;
+ check_cwd();
+ if (e == 0)
+ add_to_flist(flp - flist, id, parid);
+ if (v)
+ printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
+ e);
+ free_pathname(&l);
+ free_pathname(&f);
+}
+
+void mkdir_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ fent_t *fep;
+ int id;
+ int parid;
+ int v;
+ int v1;
+
+ if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+ parid = -1;
+ else
+ parid = fep->id;
+ init_pathname(&f);
+ e = generate_fname(fep, FT_DIR, &f, &id, &v1);
+ v |= v1;
+ if (!e) {
+ if (v) {
+ fent_to_name(&f, &flist[FT_DIR], fep);
+ printf("%d/%d: mkdir - no filename from %s\n",
+ procid, opno, f.path);
+ }
+ free_pathname(&f);
+ return;
+ }
+ e = mkdir_path(&f, 0777) < 0 ? errno : 0;
+ check_cwd();
+ if (e == 0)
+ add_to_flist(FT_DIR, id, parid);
+ if (v)
+ printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+}
+
+void mknod_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ fent_t *fep;
+ int id;
+ int parid;
+ int v;
+ int v1;
+
+ if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+ parid = -1;
+ else
+ parid = fep->id;
+ init_pathname(&f);
+ e = generate_fname(fep, FT_DEV, &f, &id, &v1);
+ v |= v1;
+ if (!e) {
+ if (v) {
+ fent_to_name(&f, &flist[FT_DIR], fep);
+ printf("%d/%d: mknod - no filename from %s\n",
+ procid, opno, f.path);
+ }
+ free_pathname(&f);
+ return;
+ }
+ e = mknod_path(&f, S_IFCHR | 0444, 0) < 0 ? errno : 0;
+ check_cwd();
+ if (e == 0)
+ add_to_flist(FT_DEV, id, parid);
+ if (v)
+ printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+}
+
+void read_f(int opno, long r)
+{
+ char *buf;
+ int e;
+ pathname_t f;
+ int fd;
+ size_t len;
+ __int64_t lr;
+ off64_t off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: read - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_RDONLY);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: read - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: read - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ if (stb.st_size == 0) {
+ if (v)
+ printf("%d/%d: read - %s zero size\n", procid, opno,
+ f.path);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ lr = ((__int64_t) random() << 32) + random();
+ off = (off64_t) (lr % stb.st_size);
+ lseek64(fd, off, SEEK_SET);
+ len = (random() % (getpagesize() * 32)) + 1;
+ buf = malloc(len);
+ e = read(fd, buf, len) < 0 ? errno : 0;
+ free(buf);
+ if (v)
+ printf("%d/%d: read %s [%lld,%ld] %d\n",
+ procid, opno, f.path, (long long)off, (long int)len, e);
+ free_pathname(&f);
+ close(fd);
+}
+
+void readlink_f(int opno, long r)
+{
+ char buf[PATH_MAX];
+ int e;
+ pathname_t f;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: readlink - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
+ check_cwd();
+ if (v)
+ printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+}
+
+void rename_f(int opno, long r)
+{
+ fent_t *dfep;
+ int e;
+ pathname_t f;
+ fent_t *fep;
+ flist_t *flp;
+ int id;
+ pathname_t newf;
+ int oldid;
+ int parid;
+ int v;
+ int v1;
+
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
+ if (v1)
+ printf("%d/%d: rename - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
+ parid = -1;
+ else
+ parid = dfep->id;
+ v |= v1;
+ init_pathname(&newf);
+ e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
+ v |= v1;
+ if (!e) {
+ if (v) {
+ fent_to_name(&f, &flist[FT_DIR], dfep);
+ printf("%d/%d: rename - no filename from %s\n",
+ procid, opno, f.path);
+ }
+ free_pathname(&newf);
+ free_pathname(&f);
+ return;
+ }
+ e = rename_path(&f, &newf) < 0 ? errno : 0;
+ check_cwd();
+ if (e == 0) {
+ if (flp - flist == FT_DIR) {
+ oldid = fep->id;
+ fix_parent(oldid, id);
+ }
+ del_from_flist(flp - flist, fep - flp->fents);
+ add_to_flist(flp - flist, id, parid);
+ }
+ if (v)
+ printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
+ newf.path, e);
+ free_pathname(&newf);
+ free_pathname(&f);
+}
+
+#ifndef NO_XFS
+void resvsp_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ int fd;
+ struct xfs_flock64 fl;
+ __s64 lr;
+ __s64 off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: resvsp - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_RDWR);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: resvsp - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: resvsp - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ lr = ((__s64) random() << 32) + random();
+ off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+ off %= maxfsize;
+ memset(&fl, 0, sizeof(fl));
+ fl.l_whence = SEEK_SET;
+ fl.l_start = off;
+ fl.l_len = (__s64) (random() % (1024 * 1024));
+ e = ioctl(fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
+ if (v)
+ printf("%d/%d: ioctl(XFS_IOC_RESVSP64) %s %lld %lld %d\n",
+ procid, opno, f.path, (long long)off,
+ (long long)fl.l_len, e);
+ free_pathname(&f);
+ close(fd);
+}
+#endif
+
+void rmdir_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ fent_t *fep;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
+ if (v)
+ printf("%d/%d: rmdir - no directory\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ e = rmdir_path(&f) < 0 ? errno : 0;
+ check_cwd();
+ if (e == 0)
+ del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
+ if (v)
+ printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+}
+
+void stat_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: stat - no entries\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ e = lstat64_path(&f, &stb) < 0 ? errno : 0;
+ check_cwd();
+ if (v)
+ printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+}
+
+void symlink_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ fent_t *fep;
+ int i;
+ int id;
+ int len;
+ int parid;
+ int v;
+ int v1;
+ char *val;
+
+ if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+ parid = -1;
+ else
+ parid = fep->id;
+ init_pathname(&f);
+ e = generate_fname(fep, FT_SYM, &f, &id, &v1);
+ v |= v1;
+ if (!e) {
+ if (v) {
+ fent_to_name(&f, &flist[FT_DIR], fep);
+ printf("%d/%d: symlink - no filename from %s\n",
+ procid, opno, f.path);
+ }
+ free_pathname(&f);
+ return;
+ }
+ len = (int)(random() % PATH_MAX);
+ val = malloc(len + 1);
+ if (len)
+ memset(val, 'x', len);
+ val[len] = '\0';
+ for (i = 10; i < len - 1; i += 10)
+ val[i] = '/';
+ e = symlink_path(val, &f) < 0 ? errno : 0;
+ check_cwd();
+ if (e == 0)
+ add_to_flist(FT_SYM, id, parid);
+ free(val);
+ if (v)
+ printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+}
+
+/* ARGSUSED */
+void sync_f(int opno, long r)
+{
+ sync();
+ if (verbose)
+ printf("%d/%d: sync\n", procid, opno);
+}
+
+void truncate_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ __int64_t lr;
+ off64_t off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: truncate - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ e = stat64_path(&f, &stb) < 0 ? errno : 0;
+ check_cwd();
+ if (e > 0) {
+ if (v)
+ printf("%d/%d: truncate - stat64 %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ lr = ((__int64_t) random() << 32) + random();
+ off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+ off %= maxfsize;
+ e = truncate64_path(&f, off) < 0 ? errno : 0;
+ check_cwd();
+ if (v)
+ printf("%d/%d: truncate %s %lld %d\n", procid, opno, f.path,
+ (long long)off, e);
+ free_pathname(&f);
+}
+
+void unlink_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ fent_t *fep;
+ flist_t *flp;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
+ if (v)
+ printf("%d/%d: unlink - no file\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ e = unlink_path(&f) < 0 ? errno : 0;
+ check_cwd();
+ if (e == 0)
+ del_from_flist(flp - flist, fep - flp->fents);
+ if (v)
+ printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
+ free_pathname(&f);
+}
+
+#ifndef NO_XFS
+void unresvsp_f(int opno, long r)
+{
+ int e;
+ pathname_t f;
+ int fd;
+ struct xfs_flock64 fl;
+ __s64 lr;
+ __s64 off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: unresvsp - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_RDWR);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: unresvsp - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ lr = ((__s64) random() << 32) + random();
+ off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+ off %= maxfsize;
+ memset(&fl, 0, sizeof(fl));
+ fl.l_whence = SEEK_SET;
+ fl.l_start = off;
+ fl.l_len = (__s64) (random() % (1 << 20));
+ e = ioctl(fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
+ if (v)
+ printf("%d/%d: ioctl(XFS_IOC_UNRESVSP64) %s %lld %lld %d\n",
+ procid, opno, f.path, (long long)off,
+ (long long)fl.l_len, e);
+ free_pathname(&f);
+ close(fd);
+}
+#endif
+
+void write_f(int opno, long r)
+{
+ char *buf;
+ int e;
+ pathname_t f;
+ int fd;
+ size_t len;
+ __int64_t lr;
+ off64_t off;
+ struct stat64 stb;
+ int v;
+
+ init_pathname(&f);
+ if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
+ if (v)
+ printf("%d/%d: write - no filename\n", procid, opno);
+ free_pathname(&f);
+ return;
+ }
+ fd = open_path(&f, O_WRONLY);
+ e = fd < 0 ? errno : 0;
+ check_cwd();
+ if (fd < 0) {
+ if (v)
+ printf("%d/%d: write - open %s failed %d\n",
+ procid, opno, f.path, e);
+ free_pathname(&f);
+ return;
+ }
+ if (fstat64(fd, &stb) < 0) {
+ if (v)
+ printf("%d/%d: write - fstat64 %s failed %d\n",
+ procid, opno, f.path, errno);
+ free_pathname(&f);
+ close(fd);
+ return;
+ }
+ lr = ((__int64_t) random() << 32) + random();
+ off = (off64_t) (lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
+ off %= maxfsize;
+ lseek64(fd, off, SEEK_SET);
+ len = (random() % (getpagesize() * 32)) + 1;
+ buf = malloc(len);
+ memset(buf, nameseq & 0xff, len);
+ e = write(fd, buf, len) < 0 ? errno : 0;
+ free(buf);
+ if (v)
+ printf("%d/%d: write %s [%lld,%ld] %d\n",
+ procid, opno, f.path, (long long)off, (long int)len, e);
+ free_pathname(&f);
+ close(fd);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 03:00:41 +0000