2 * Copyright (c) 2000-2002 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifdef HAVE_ATTR_XATTR_H
22 #include <attr/xattr.h>
24 #ifdef HAVE_ATTR_ATTRIBUTES_H
25 #include <attr/attributes.h>
28 #ifndef HAVE_ATTR_LIST
29 #define attr_list(path, buf, size, flags, cursor) (errno = -ENOSYS, -1)
31 #ifdef HAVE_SYS_PRCTL_H
32 #include <sys/prctl.h>
35 #define XFS_ERRTAG_MAX 17
36 #define XFS_IDMODULO_MAX 31 /* user/group IDs (1 << x) */
37 #define XFS_PROJIDMODULO_MAX 16 /* project IDs (1 << x) */
39 #define FILELEN_MAX (32*4096)
74 typedef void (*opfnc_t)(int, long);
76 typedef struct opdesc {
89 typedef struct flist {
96 typedef struct pathname {
102 #define FT_DIRm (1 << FT_DIR)
104 #define FT_REGm (1 << FT_REG)
106 #define FT_SYMm (1 << FT_SYM)
108 #define FT_DEVm (1 << FT_DEV)
110 #define FT_RTFm (1 << FT_RTF)
112 #define FT_ANYm ((1 << FT_nft) - 1)
113 #define FT_REGFILE (FT_REGm | FT_RTFm)
114 #define FT_NOTDIR (FT_ANYm & ~FT_DIRm)
116 #define FLIST_SLOT_INCR 16
119 #define MAXFSIZE ((1ULL << 63) - 1ULL)
120 #define MAXFSIZE32 ((1ULL << 40) - 1ULL)
122 void allocsp_f(int, long);
123 void attr_remove_f(int, long);
124 void attr_set_f(int, long);
125 void bulkstat_f(int, long);
126 void bulkstat1_f(int, long);
127 void chown_f(int, long);
128 void creat_f(int, long);
129 void dread_f(int, long);
130 void dwrite_f(int, long);
131 void fdatasync_f(int, long);
132 void freesp_f(int, long);
133 void fsync_f(int, long);
134 void getdents_f(int, long);
135 void link_f(int, long);
136 void mkdir_f(int, long);
137 void mknod_f(int, long);
138 void read_f(int, long);
139 void readlink_f(int, long);
140 void rename_f(int, long);
141 void resvsp_f(int, long);
142 void rmdir_f(int, long);
143 void setxattr_f(int, long);
144 void stat_f(int, long);
145 void symlink_f(int, long);
146 void sync_f(int, long);
147 void truncate_f(int, long);
148 void unlink_f(int, long);
149 void unresvsp_f(int, long);
150 void write_f(int, long);
153 { OP_ALLOCSP, "allocsp", allocsp_f, 1, 1 },
154 { OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1 },
155 { OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1 },
156 { OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0 },
157 { OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0 },
158 { OP_CHOWN, "chown", chown_f, 3, 1 },
159 { OP_CREAT, "creat", creat_f, 4, 1 },
160 { OP_DREAD, "dread", dread_f, 4, 0 },
161 { OP_DWRITE, "dwrite", dwrite_f, 4, 1 },
162 { OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1 },
163 { OP_FREESP, "freesp", freesp_f, 1, 1 },
164 { OP_FSYNC, "fsync", fsync_f, 1, 1 },
165 { OP_GETDENTS, "getdents", getdents_f, 1, 0 },
166 { OP_LINK, "link", link_f, 1, 1 },
167 { OP_MKDIR, "mkdir", mkdir_f, 2, 1 },
168 { OP_MKNOD, "mknod", mknod_f, 2, 1 },
169 { OP_READ, "read", read_f, 1, 0 },
170 { OP_READLINK, "readlink", readlink_f, 1, 0 },
171 { OP_RENAME, "rename", rename_f, 2, 1 },
172 { OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
173 { OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
174 { OP_SETXATTR, "setxattr", setxattr_f, 1, 1 },
175 { OP_STAT, "stat", stat_f, 1, 0 },
176 { OP_SYMLINK, "symlink", symlink_f, 2, 1 },
177 { OP_SYNC, "sync", sync_f, 1, 0 },
178 { OP_TRUNCATE, "truncate", truncate_f, 2, 1 },
179 { OP_UNLINK, "unlink", unlink_f, 1, 1 },
180 { OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
181 { OP_WRITE, "write", write_f, 4, 1 },
184 flist_t flist[FT_nft] = {
197 xfs_fsop_geom_t geom;
208 unsigned int idmodulo = XFS_IDMODULO_MAX;
211 unsigned long seed = 0;
214 sig_atomic_t should_stop = 0;
216 void add_to_flist(int, int, int);
217 void append_pathname(pathname_t *, char *);
218 int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
219 int attr_remove_path(pathname_t *, const char *, int);
220 int attr_set_path(pathname_t *, const char *, const char *, const int, int);
221 void check_cwd(void);
222 int creat_path(pathname_t *, mode_t);
223 void dcache_enter(int, int);
224 void dcache_init(void);
225 fent_t *dcache_lookup(int);
226 void dcache_purge(int);
227 void del_from_flist(int, int);
228 int dirid_to_name(char *, int);
230 int fent_to_name(pathname_t *, flist_t *, fent_t *);
231 void fix_parent(int, int);
232 void free_pathname(pathname_t *);
233 int generate_fname(fent_t *, int, pathname_t *, int *, int *);
234 int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
235 void init_pathname(pathname_t *);
236 int lchown_path(pathname_t *, uid_t, gid_t);
237 int link_path(pathname_t *, pathname_t *);
238 int lstat64_path(pathname_t *, struct stat64 *);
239 void make_freq_table(void);
240 int mkdir_path(pathname_t *, mode_t);
241 int mknod_path(pathname_t *, mode_t, dev_t);
242 void namerandpad(int, char *, int);
243 int open_path(pathname_t *, int);
244 DIR *opendir_path(pathname_t *);
245 void process_freq(char *);
246 int readlink_path(pathname_t *, char *, size_t);
247 int rename_path(pathname_t *, pathname_t *);
248 int rmdir_path(pathname_t *);
249 void separate_pathname(pathname_t *, char *, pathname_t *);
250 void show_ops(int, char *);
251 int stat64_path(pathname_t *, struct stat64 *);
252 int symlink_path(const char *, pathname_t *);
253 int truncate64_path(pathname_t *, off64_t);
254 int unlink_path(pathname_t *);
256 void write_freq(void);
257 void zero_freq(void);
259 void sg_handler(int signum)
264 int main(int argc, char **argv)
268 char *dirname = NULL;
269 char *logname = NULL;
270 char rpath[PATH_MAX];
279 xfs_error_injection_t err_inj;
280 struct sigaction action;
282 errrange = errtag = 0;
284 nops = sizeof(ops) / sizeof(ops[0]);
285 ops_end = &ops[nops];
287 while ((c = getopt(argc, argv, "d:e:f:i:m:n:o:p:rs:S:vwzH")) != -1) {
293 sscanf(optarg, "%d", &errtag);
297 } else if (errtag == 0)
299 if (errtag >= XFS_ERRTAG_MAX) {
301 "error tag %d too large (max %d)\n",
302 errtag, XFS_ERRTAG_MAX - 1);
307 process_freq(optarg);
310 ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
311 ilist[ilistlen - 1] = strtol(optarg, &p, 16);
314 idmodulo = strtoul(optarg, NULL, 0);
315 if (idmodulo > XFS_IDMODULO_MAX) {
317 "chown modulo %d too big (max %d)\n",
318 idmodulo, XFS_IDMODULO_MAX);
323 operations = atoi(optarg);
330 nproc = atoi(optarg);
336 seed = strtoul(optarg, NULL, 0);
349 if (optarg[0] == 'c')
356 fprintf(stderr, "%s - invalid parameters\n",
366 /* no directory specified */
367 if (!nousage) usage();
371 (void)mkdir(dirname, 0777);
372 if (logname && logname[0] != '/') {
373 if (getcwd(rpath, sizeof(rpath)) < 0){
374 perror("getcwd failed");
380 if (chdir(dirname) < 0) {
386 snprintf(path, sizeof(path), "%s/%s", rpath, logname);
387 if (freopen(path, "a", stdout) == NULL) {
388 perror("freopen logfile failed");
392 sprintf(buf, "fss%x", (unsigned int)getpid());
393 fd = creat(buf, 0666);
394 if (lseek64(fd, (off64_t)(MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
395 maxfsize = (off64_t)MAXFSIZE32;
397 maxfsize = (off64_t)MAXFSIZE;
402 gettimeofday(&t, (void *)NULL);
403 seed = (int)t.tv_sec ^ (int)t.tv_usec;
404 printf("seed = %ld\n", seed);
406 i = xfsctl(buf, fd, XFS_IOC_FSGEOMETRY, &geom);
407 if (i >= 0 && geom.rtblocks)
408 rtpct = MIN(MAX(geom.rtblocks * 100 /
409 (geom.rtblocks + geom.datablocks), 1), 99);
418 for (i = 0; i < j; i++)
421 errtag = (random() % (XFS_ERRTAG_MAX-1)) + 1;
427 for (i = 0; i < j; i++)
430 errtag += (random() % (XFS_ERRTAG_MAX - errtag));
432 printf("Injecting failure on tag #%d\n", errtag);
433 err_inj.errtag = errtag;
435 srval = xfsctl(buf, fd, XFS_IOC_ERROR_INJECTION, &err_inj);
437 perror("fsstress - XFS_SYSSGI error injection call");
446 action.sa_handler = sg_handler;
447 sigemptyset(&action.sa_mask);
449 if (sigaction(SIGTERM, &action, 0)) {
450 perror("sigaction failed");
454 for (i = 0; i < nproc; i++) {
456 action.sa_handler = SIG_DFL;
457 sigemptyset(&action.sa_mask);
458 if (sigaction(SIGTERM, &action, 0))
460 #ifdef HAVE_SYS_PRCTL_H
461 prctl(PR_SET_PDEATHSIG, SIGKILL);
462 if (getppid() == 1) /* parent died already? */
467 snprintf(path, sizeof(path), "%s/%s.%d",
469 if (freopen(path, "a", stdout) == NULL) {
470 perror("freopen logfile failed");
479 while (wait(&stat) > 0 && !should_stop) {
482 action.sa_flags = SA_RESTART;
483 sigaction(SIGTERM, &action, 0);
484 kill(-getpid(), SIGTERM);
485 while (wait(&stat) > 0)
491 srval = xfsctl(buf, fd, XFS_IOC_ERROR_CLEARALL, &err_inj);
493 fprintf(stderr, "Bad ej clear on %s fd=%d (%d).\n",
495 perror("xfsctl(XFS_IOC_ERROR_CLEARALL)");
507 add_to_flist(int ft, int id, int parent)
513 if (ftp->nfiles == ftp->nslots) {
514 ftp->nslots += FLIST_SLOT_INCR;
515 ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
517 fep = &ftp->fents[ftp->nfiles++];
519 fep->parent = parent;
523 append_pathname(pathname_t *name, char *str)
529 /* attempting to append to a dir a zero length path */
530 if (len && *str == '/' && name->len == 0) {
531 fprintf(stderr, "fsstress: append_pathname failure\n");
537 name->path = realloc(name->path, name->len + 1 + len);
538 strcpy(&name->path[name->len], str);
543 attr_list_path(pathname_t *name,
545 const int buffersize,
547 attrlist_cursor_t *cursor)
549 char buf[NAME_MAX + 1];
553 if (flags != ATTR_DONTFOLLOW) {
558 rval = attr_list(name->path, buffer, buffersize, flags, cursor);
559 if (rval >= 0 || errno != ENAMETOOLONG)
561 separate_pathname(name, buf, &newname);
562 if (chdir(buf) == 0) {
563 rval = attr_list_path(&newname, buffer, buffersize, flags, cursor);
566 free_pathname(&newname);
571 attr_remove_path(pathname_t *name, const char *attrname, int flags)
573 char buf[NAME_MAX + 1];
577 rval = attr_remove(name->path, attrname, flags);
578 if (rval >= 0 || errno != ENAMETOOLONG)
580 separate_pathname(name, buf, &newname);
581 if (chdir(buf) == 0) {
582 rval = attr_remove_path(&newname, attrname, flags);
585 free_pathname(&newname);
590 attr_set_path(pathname_t *name, const char *attrname, const char *attrvalue,
591 const int valuelength, int flags)
593 char buf[NAME_MAX + 1];
597 rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
598 if (rval >= 0 || errno != ENAMETOOLONG)
600 separate_pathname(name, buf, &newname);
601 if (chdir(buf) == 0) {
602 rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
606 free_pathname(&newname);
614 struct stat64 statbuf;
616 if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
619 fprintf(stderr, "fsstress: check_cwd failure\n");
626 creat_path(pathname_t *name, mode_t mode)
628 char buf[NAME_MAX + 1];
632 rval = creat(name->path, mode);
633 if (rval >= 0 || errno != ENAMETOOLONG)
635 separate_pathname(name, buf, &newname);
636 if (chdir(buf) == 0) {
637 rval = creat_path(&newname, mode);
640 free_pathname(&newname);
645 dcache_enter(int dirid, int slot)
647 dcache[dirid % NDCACHE] = slot;
655 for (i = 0; i < NDCACHE; i++)
660 dcache_lookup(int dirid)
665 i = dcache[dirid % NDCACHE];
666 if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
672 dcache_purge(int dirid)
676 dcp = &dcache[dirid % NDCACHE];
677 if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
682 * Delete the item from the list by
683 * moving last entry over the deleted one;
684 * unless deleted entry is the last one.
685 * Input: which file list array and which slot in array
688 del_from_flist(int ft, int slot)
694 dcache_purge(ftp->fents[slot].id);
695 if (slot != ftp->nfiles - 1) {
697 dcache_purge(ftp->fents[ftp->nfiles - 1].id);
698 ftp->fents[slot] = ftp->fents[--ftp->nfiles];
704 dirid_to_fent(int dirid)
710 if ((fep = dcache_lookup(dirid)))
712 flp = &flist[FT_DIR];
713 for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
714 if (fep->id == dirid) {
715 dcache_enter(dirid, fep - flp->fents);
725 struct stat64 statbuf;
731 sprintf(buf, "p%x", procid);
732 (void)mkdir(buf, 0777);
733 if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
737 top_ino = statbuf.st_ino;
738 homedir = getcwd(NULL, -1);
743 for (opno = 0; opno < operations; opno++) {
744 p = &ops[freq_table[random() % freq_table_size]];
745 p->func(opno, random());
747 * test for forced shutdown by stat'ing the test
748 * directory. If this stat returns EIO, assume
749 * the forced shutdown happened.
751 if (errtag != 0 && opno % 100 == 0) {
752 rval = stat64(".", &statbuf);
754 fprintf(stderr, "Detected EIO\n");
762 * build up a pathname going thru the file entry and all
764 * Return 0 on error, 1 on success;
767 fent_to_name(pathname_t *name, flist_t *flp, fent_t *fep)
769 char buf[NAME_MAX + 1];
777 /* build up parent directory name */
778 if (fep->parent != -1) {
779 pfep = dirid_to_fent(fep->parent);
782 fprintf(stderr, "%d: fent-id = %d: can't find parent id: %d\n",
783 procid, fep->id, fep->parent);
788 e = fent_to_name(name, &flist[FT_DIR], pfep);
791 append_pathname(name, "/");
794 i = sprintf(buf, "%c%x", flp->tag, fep->id);
795 namerandpad(fep->id, buf, i);
796 append_pathname(name, buf);
801 fix_parent(int oldid, int newid)
808 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
809 for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
810 if (fep->parent == oldid)
817 free_pathname(pathname_t *name)
827 * Generate a filename of type ft.
828 * If we have a fep which should be a directory then use it
829 * as the parent path for this new filename i.e. prepend with it.
832 generate_fname(fent_t *fep, int ft, pathname_t *name, int *idp, int *v)
834 char buf[NAME_MAX + 1];
843 len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
844 namerandpad(id, buf, len);
846 /* prepend fep parent dir-name to it */
848 e = fent_to_name(name, &flist[FT_DIR], fep);
851 append_pathname(name, "/");
853 append_pathname(name, buf);
857 for (j = 0; !*v && j < ilistlen; j++) {
858 if (ilist[j] == id) {
868 * Input: "which" to choose the file-types eg. non-directory
869 * Input: "r" to choose which file
870 * Output: file-list, file-entry, name for the chosen file.
871 * Output: verbose if chosen file is on the ilist.
874 get_fname(int which, long r, pathname_t *name, flist_t **flpp, fent_t **fepp,
877 int totalsum = 0; /* total number of matching files */
878 int partialsum = 0; /* partial sum of matching files */
884 int e = 1; /* success */
887 * go thru flist and add up number of files for each
888 * category that matches with <which>.
890 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
891 if (which & (1 << i))
892 totalsum += flp->nfiles;
904 * Now we have possible matches between 0..totalsum-1.
905 * And we use r to help us choose which one we want,
906 * which when bounded by totalsum becomes x.
908 x = (int)(r % totalsum);
909 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
910 if (which & (1 << i)) {
911 if (x < partialsum + flp->nfiles) {
913 /* found the matching file entry */
914 fep = &flp->fents[x - partialsum];
916 /* fill-in what we were asked for */
918 e = fent_to_name(name, flp, fep);
921 fprintf(stderr, "%d: failed to get path for entry:"
922 " id=%d,parent=%d\n",
923 procid, fep->id, fep->parent);
932 /* turn on verbose if its an ilisted file */
934 for (j = 0; !*v && j < ilistlen; j++) {
935 if (ilist[j] == fep->id) {
942 partialsum += flp->nfiles;
946 fprintf(stderr, "fsstress: get_fname failure\n");
953 init_pathname(pathname_t *name)
960 lchown_path(pathname_t *name, uid_t owner, gid_t group)
962 char buf[NAME_MAX + 1];
966 rval = lchown(name->path, owner, group);
967 if (rval >= 0 || errno != ENAMETOOLONG)
969 separate_pathname(name, buf, &newname);
970 if (chdir(buf) == 0) {
971 rval = lchown_path(&newname, owner, group);
974 free_pathname(&newname);
979 link_path(pathname_t *name1, pathname_t *name2)
981 char buf1[NAME_MAX + 1];
982 char buf2[NAME_MAX + 1];
988 rval = link(name1->path, name2->path);
989 if (rval >= 0 || errno != ENAMETOOLONG)
991 separate_pathname(name1, buf1, &newname1);
992 separate_pathname(name2, buf2, &newname2);
993 if (strcmp(buf1, buf2) == 0) {
994 if (chdir(buf1) == 0) {
995 rval = link_path(&newname1, &newname2);
999 if (strcmp(buf1, "..") == 0)
1001 else if (strcmp(buf2, "..") == 0)
1003 else if (strlen(buf1) == 0)
1005 else if (strlen(buf2) == 0)
1008 down1 = MAX(newname1.len, 3 + name2->len) <=
1009 MAX(3 + name1->len, newname2.len);
1011 free_pathname(&newname2);
1012 append_pathname(&newname2, "../");
1013 append_pathname(&newname2, name2->path);
1014 if (chdir(buf1) == 0) {
1015 rval = link_path(&newname1, &newname2);
1019 free_pathname(&newname1);
1020 append_pathname(&newname1, "../");
1021 append_pathname(&newname1, name1->path);
1022 if (chdir(buf2) == 0) {
1023 rval = link_path(&newname1, &newname2);
1028 free_pathname(&newname1);
1029 free_pathname(&newname2);
1034 lstat64_path(pathname_t *name, struct stat64 *sbuf)
1036 char buf[NAME_MAX + 1];
1040 rval = lstat64(name->path, sbuf);
1041 if (rval >= 0 || errno != ENAMETOOLONG)
1043 separate_pathname(name, buf, &newname);
1044 if (chdir(buf) == 0) {
1045 rval = lstat64_path(&newname, sbuf);
1048 free_pathname(&newname);
1053 make_freq_table(void)
1059 for (p = ops, f = 0; p < ops_end; p++)
1061 freq_table = malloc(f * sizeof(*freq_table));
1062 freq_table_size = f;
1063 for (p = ops, i = 0; p < ops_end; p++) {
1064 for (f = 0; f < p->freq; f++, i++)
1065 freq_table[i] = p->op;
1070 mkdir_path(pathname_t *name, mode_t mode)
1072 char buf[NAME_MAX + 1];
1076 rval = mkdir(name->path, mode);
1077 if (rval >= 0 || errno != ENAMETOOLONG)
1079 separate_pathname(name, buf, &newname);
1080 if (chdir(buf) == 0) {
1081 rval = mkdir_path(&newname, mode);
1084 free_pathname(&newname);
1089 mknod_path(pathname_t *name, mode_t mode, dev_t dev)
1091 char buf[NAME_MAX + 1];
1095 rval = mknod(name->path, mode, dev);
1096 if (rval >= 0 || errno != ENAMETOOLONG)
1098 separate_pathname(name, buf, &newname);
1099 if (chdir(buf) == 0) {
1100 rval = mknod_path(&newname, mode, dev);
1103 free_pathname(&newname);
1108 namerandpad(int id, char *buf, int i)
1111 static int buckets[] =
1112 { 2, 4, 8, 16, 32, 64, 128, NAME_MAX };
1118 bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
1119 padmod = buckets[bucket] + 1 - i;
1122 padlen = (id ^ namerand) % padmod;
1124 memset(&buf[i], 'X', padlen);
1125 buf[i + padlen] = '\0';
1130 open_path(pathname_t *name, int oflag)
1132 char buf[NAME_MAX + 1];
1136 rval = open(name->path, oflag);
1137 if (rval >= 0 || errno != ENAMETOOLONG)
1139 separate_pathname(name, buf, &newname);
1140 if (chdir(buf) == 0) {
1141 rval = open_path(&newname, oflag);
1144 free_pathname(&newname);
1149 opendir_path(pathname_t *name)
1151 char buf[NAME_MAX + 1];
1155 rval = opendir(name->path);
1156 if (rval || errno != ENAMETOOLONG)
1158 separate_pathname(name, buf, &newname);
1159 if (chdir(buf) == 0) {
1160 rval = opendir_path(&newname);
1163 free_pathname(&newname);
1168 process_freq(char *arg)
1173 s = strchr(arg, '=');
1175 fprintf(stderr, "bad argument '%s'\n", arg);
1179 for (p = ops; p < ops_end; p++) {
1180 if (strcmp(arg, p->name) == 0) {
1185 fprintf(stderr, "can't find op type %s for -f\n", arg);
1190 readlink_path(pathname_t *name, char *lbuf, size_t lbufsiz)
1192 char buf[NAME_MAX + 1];
1196 rval = readlink(name->path, lbuf, lbufsiz);
1197 if (rval >= 0 || errno != ENAMETOOLONG)
1199 separate_pathname(name, buf, &newname);
1200 if (chdir(buf) == 0) {
1201 rval = readlink_path(&newname, lbuf, lbufsiz);
1204 free_pathname(&newname);
1209 rename_path(pathname_t *name1, pathname_t *name2)
1211 char buf1[NAME_MAX + 1];
1212 char buf2[NAME_MAX + 1];
1214 pathname_t newname1;
1215 pathname_t newname2;
1218 rval = rename(name1->path, name2->path);
1219 if (rval >= 0 || errno != ENAMETOOLONG)
1221 separate_pathname(name1, buf1, &newname1);
1222 separate_pathname(name2, buf2, &newname2);
1223 if (strcmp(buf1, buf2) == 0) {
1224 if (chdir(buf1) == 0) {
1225 rval = rename_path(&newname1, &newname2);
1229 if (strcmp(buf1, "..") == 0)
1231 else if (strcmp(buf2, "..") == 0)
1233 else if (strlen(buf1) == 0)
1235 else if (strlen(buf2) == 0)
1238 down1 = MAX(newname1.len, 3 + name2->len) <=
1239 MAX(3 + name1->len, newname2.len);
1241 free_pathname(&newname2);
1242 append_pathname(&newname2, "../");
1243 append_pathname(&newname2, name2->path);
1244 if (chdir(buf1) == 0) {
1245 rval = rename_path(&newname1, &newname2);
1249 free_pathname(&newname1);
1250 append_pathname(&newname1, "../");
1251 append_pathname(&newname1, name1->path);
1252 if (chdir(buf2) == 0) {
1253 rval = rename_path(&newname1, &newname2);
1258 free_pathname(&newname1);
1259 free_pathname(&newname2);
1264 rmdir_path(pathname_t *name)
1266 char buf[NAME_MAX + 1];
1270 rval = rmdir(name->path);
1271 if (rval >= 0 || errno != ENAMETOOLONG)
1273 separate_pathname(name, buf, &newname);
1274 if (chdir(buf) == 0) {
1275 rval = rmdir_path(&newname);
1278 free_pathname(&newname);
1283 separate_pathname(pathname_t *name, char *buf, pathname_t *newname)
1287 init_pathname(newname);
1288 slash = strchr(name->path, '/');
1289 if (slash == NULL) {
1294 strcpy(buf, name->path);
1296 append_pathname(newname, slash + 1);
1302 show_ops(int flag, char *lead_str)
1307 /* print in list form */
1310 for (p = ops; p < ops_end; p++) {
1311 if (lead_str != NULL && x+strlen(p->name)>=WIDTH-5)
1312 x=printf("%s%s", (p==ops)?"":"\n", lead_str);
1313 x+=printf("%s ", p->name);
1316 } else if (flag == 0) {
1317 /* Table view style */
1319 for (f = 0, p = ops; p < ops_end; p++)
1325 for (p = ops; p < ops_end; p++) {
1326 if (flag != 0 || p->freq > 0) {
1327 if (lead_str != NULL)
1328 printf("%s", lead_str);
1329 printf("%20s %d/%d %s\n",
1330 p->name, p->freq, f,
1331 (p->iswrite == 0) ? " " : "write op");
1335 /* Command line style */
1336 if (lead_str != NULL)
1337 printf("%s", lead_str);
1338 printf ("-z -s %ld -m %d -n %d -p %d \\\n", seed, idmodulo,
1340 for (p = ops; p < ops_end; p++)
1342 printf("-f %s=%d \\\n",p->name, p->freq);
1347 stat64_path(pathname_t *name, struct stat64 *sbuf)
1349 char buf[NAME_MAX + 1];
1353 rval = stat64(name->path, sbuf);
1354 if (rval >= 0 || errno != ENAMETOOLONG)
1356 separate_pathname(name, buf, &newname);
1357 if (chdir(buf) == 0) {
1358 rval = stat64_path(&newname, sbuf);
1361 free_pathname(&newname);
1366 symlink_path(const char *name1, pathname_t *name)
1368 char buf[NAME_MAX + 1];
1372 if (!strcmp(name1, name->path)) {
1373 printf("yikes! %s %s\n", name1, name->path);
1377 rval = symlink(name1, name->path);
1378 if (rval >= 0 || errno != ENAMETOOLONG)
1380 separate_pathname(name, buf, &newname);
1381 if (chdir(buf) == 0) {
1382 rval = symlink_path(name1, &newname);
1385 free_pathname(&newname);
1390 truncate64_path(pathname_t *name, off64_t length)
1392 char buf[NAME_MAX + 1];
1396 rval = truncate64(name->path, length);
1397 if (rval >= 0 || errno != ENAMETOOLONG)
1399 separate_pathname(name, buf, &newname);
1400 if (chdir(buf) == 0) {
1401 rval = truncate64_path(&newname, length);
1404 free_pathname(&newname);
1409 unlink_path(pathname_t *name)
1411 char buf[NAME_MAX + 1];
1415 rval = unlink(name->path);
1416 if (rval >= 0 || errno != ENAMETOOLONG)
1418 separate_pathname(name, buf, &newname);
1419 if (chdir(buf) == 0) {
1420 rval = unlink_path(&newname);
1423 free_pathname(&newname);
1430 printf("Usage: %s -H or\n", myprog);
1431 printf(" %s [-d dir][-e errtg][-f op_name=freq][-n nops]\n",
1433 printf(" [-p nproc][-r len][-s seed][-v][-w][-z][-S]\n");
1435 printf(" -d dir specifies the base directory for operations\n");
1436 printf(" -e errtg specifies error injection stuff\n");
1437 printf(" -f op_name=freq changes the frequency of option name to freq\n");
1438 printf(" the valid operation names are:\n");
1439 printf(" -i filenum get verbose output for this nth file object\n");
1441 printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
1442 printf(" -n nops specifies the no. of operations per process (default 1)\n");
1443 printf(" -p nproc specifies the no. of processes (default 1)\n");
1444 printf(" -r specifies random name padding\n");
1445 printf(" -s seed specifies the seed for the random generator (default random)\n");
1446 printf(" -v specifies verbose mode\n");
1447 printf(" -w zeros frequencies of non-write operations\n");
1448 printf(" -z zeros frequencies of all operations\n");
1449 printf(" -S [c,t] prints the list of operations (omitting zero frequency) in command line or table style\n");
1450 printf(" -H prints usage and exits\n");
1458 for (p = ops; p < ops_end; p++) {
1469 for (p = ops; p < ops_end; p++)
1473 void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
1476 snprintf(str, sz, "[%ld %ld %d %d %lld %lld]", (long)s->st_ino,
1477 (long)s->st_nlink, s->st_uid, s->st_gid,
1478 (long long) s->st_blocks, (long long) s->st_size);
1482 allocsp_f(int opno, long r)
1487 struct xfs_flock64 fl;
1495 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1497 printf("%d/%d: allocsp - no filename\n", procid, opno);
1501 fd = open_path(&f, O_RDWR);
1502 e = fd < 0 ? errno : 0;
1506 printf("%d/%d: allocsp - open %s failed %d\n",
1507 procid, opno, f.path, e);
1511 if (fstat64(fd, &stb) < 0) {
1513 printf("%d/%d: allocsp - fstat64 %s failed %d\n",
1514 procid, opno, f.path, errno);
1519 inode_info(st, sizeof(st), &stb, v);
1520 lr = ((__int64_t)random() << 32) + random();
1521 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1523 fl.l_whence = SEEK_SET;
1526 e = xfsctl(f.path, fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
1528 printf("%d/%d: xfsctl(XFS_IOC_ALLOCSP64) %s%s %lld 0 %d\n",
1529 procid, opno, f.path, st, (long long)off, e);
1536 attr_remove_f(int opno, long r)
1538 attrlist_ent_t *aep;
1542 attrlist_cursor_t cursor;
1551 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1552 append_pathname(&f, ".");
1554 bzero(&cursor, sizeof(cursor));
1556 bzero(buf, sizeof(buf));
1557 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1561 alist = (attrlist_t *)buf;
1562 total += alist->al_count;
1563 } while (alist->al_more);
1566 printf("%d/%d: attr_remove - no attrs for %s\n",
1567 procid, opno, f.path);
1571 which = (int)(random() % total);
1572 bzero(&cursor, sizeof(cursor));
1576 bzero(buf, sizeof(buf));
1577 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1581 alist = (attrlist_t *)buf;
1582 if (which < ent + alist->al_count) {
1583 aep = (attrlist_ent_t *)
1584 &buf[alist->al_offset[which - ent]];
1585 aname = aep->a_name;
1588 ent += alist->al_count;
1589 } while (alist->al_more);
1590 if (aname == NULL) {
1593 "%d/%d: attr_remove - name %d not found at %s\n",
1594 procid, opno, which, f.path);
1598 e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
1601 printf("%d/%d: attr_remove %s %s %d\n",
1602 procid, opno, f.path, aname, e);
1607 attr_set_f(int opno, long r)
1614 static int lengths[] = { 10, 100, 1000, 10000 };
1619 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1620 append_pathname(&f, ".");
1621 sprintf(aname, "a%x", nameseq++);
1622 li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
1623 len = (int)(random() % lengths[li]);
1627 memset(aval, nameseq & 0xff, len);
1628 e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
1633 printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
1639 bulkstat_f(int opno, long r)
1647 xfs_fsop_bulkreq_t bsr;
1650 nent = (r % 999) + 2;
1651 t = malloc(nent * sizeof(*t));
1652 fd = open(".", O_RDONLY);
1660 while (xfsctl(".", fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
1664 printf("%d/%d: bulkstat nent %d total %lld\n",
1665 procid, opno, nent, (long long)total);
1670 bulkstat1_f(int opno, long r)
1680 xfs_fsop_bulkreq_t bsr;
1683 good = random() & 1;
1685 /* use an inode we know exists */
1687 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1688 append_pathname(&f, ".");
1689 ino = stat64_path(&f, &s) < 0 ? (ino64_t)r : s.st_ino;
1694 * pick a random inode
1696 * note this can generate kernel warning messages
1697 * since bulkstat_one will read the disk block that
1698 * would contain a given inode even if that disk
1699 * block doesn't contain inodes.
1701 * this is detected later, but not until after the
1702 * warning is displayed.
1704 * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
1710 fd = open(".", O_RDONLY);
1717 e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
1719 printf("%d/%d: bulkstat1 %s ino %lld %d\n",
1720 procid, opno, good?"real":"random", (long long)ino, e);
1725 chown_f(int opno, long r)
1735 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1736 append_pathname(&f, ".");
1737 u = (uid_t)random();
1738 g = (gid_t)random();
1739 nbits = (int)(random() % idmodulo);
1740 u &= (1 << nbits) - 1;
1741 g &= (1 << nbits) - 1;
1742 e = lchown_path(&f, u, g) < 0 ? errno : 0;
1745 printf("%d/%d: chown %s %d/%d %d\n", procid, opno, f.path, (int)u, (int)g, e);
1750 setxattr_f(int opno, long r)
1752 #ifdef XFS_XFLAG_EXTSIZE
1762 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1763 append_pathname(&f, ".");
1764 fd = open_path(&f, O_RDWR);
1765 e = fd < 0 ? errno : 0;
1770 e = MIN(idmodulo, XFS_PROJIDMODULO_MAX);
1771 nbits = (int)(random() % e);
1772 p &= (1 << nbits) - 1;
1774 if ((e = xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &fsx)) == 0) {
1776 e = xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &fsx);
1779 printf("%d/%d: setxattr %s %u %d\n", procid, opno, f.path, p, e);
1786 creat_f(int opno, long r)
1801 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
1806 e1 = (random() % 100);
1807 type = rtpct ? ((e1 > rtpct) ? FT_REG : FT_RTF) : FT_REG;
1809 if (type == FT_RTF) /* rt always gets an extsize */
1810 extsize = (random() % 10) + 1;
1811 else if (e1 < 10) /* one-in-ten get an extsize */
1812 extsize = random() % 1024;
1816 e = generate_fname(fep, type, &f, &id, &v);
1820 (void)fent_to_name(&f, &flist[FT_DIR], fep);
1821 printf("%d/%d: creat - no filename from %s\n",
1822 procid, opno, f.path);
1827 fd = creat_path(&f, 0666);
1828 e = fd < 0 ? errno : 0;
1833 xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
1834 if (type == FT_RTF) {
1835 a.fsx_xflags |= XFS_XFLAG_REALTIME;
1836 a.fsx_extsize = extsize *
1837 geom.rtextsize * geom.blocksize;
1839 } else if (extsize) {
1840 a.fsx_xflags |= XFS_XFLAG_EXTSIZE;
1841 a.fsx_extsize = extsize * geom.blocksize;
1844 if (xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &a) < 0)
1847 add_to_flist(type, id, parid);
1851 printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
1852 extsize ? a.fsx_extsize : 0, e, e1);
1853 printf("%d/%d: creat add id=%d,parent=%d\n", procid, opno, id, parid);
1859 dread_f(int opno, long r)
1863 struct dioattr diob;
1875 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1877 printf("%d/%d: dread - no filename\n", procid, opno);
1881 fd = open_path(&f, O_RDONLY|O_DIRECT);
1882 e = fd < 0 ? errno : 0;
1886 printf("%d/%d: dread - open %s failed %d\n",
1887 procid, opno, f.path, e);
1891 if (fstat64(fd, &stb) < 0) {
1893 printf("%d/%d: dread - fstat64 %s failed %d\n",
1894 procid, opno, f.path, errno);
1899 inode_info(st, sizeof(st), &stb, v);
1900 if (stb.st_size == 0) {
1902 printf("%d/%d: dread - %s%s zero size\n", procid, opno,
1908 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1911 "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s%s failed %d\n",
1912 procid, opno, f.path, st, errno);
1917 align = (__int64_t)diob.d_miniosz;
1918 lr = ((__int64_t)random() << 32) + random();
1919 off = (off64_t)(lr % stb.st_size);
1920 off -= (off % align);
1921 lseek64(fd, off, SEEK_SET);
1922 len = (random() % FILELEN_MAX) + 1;
1923 len -= (len % align);
1926 else if (len > diob.d_maxiosz)
1927 len = diob.d_maxiosz;
1928 buf = memalign(diob.d_mem, len);
1929 e = read(fd, buf, len) < 0 ? errno : 0;
1932 printf("%d/%d: dread %s%s [%lld,%d] %d\n",
1933 procid, opno, f.path, st, (long long)off, (int)len, e);
1939 dwrite_f(int opno, long r)
1943 struct dioattr diob;
1955 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1957 printf("%d/%d: dwrite - no filename\n", procid, opno);
1961 fd = open_path(&f, O_WRONLY|O_DIRECT);
1962 e = fd < 0 ? errno : 0;
1966 printf("%d/%d: dwrite - open %s failed %d\n",
1967 procid, opno, f.path, e);
1971 if (fstat64(fd, &stb) < 0) {
1973 printf("%d/%d: dwrite - fstat64 %s failed %d\n",
1974 procid, opno, f.path, errno);
1979 inode_info(st, sizeof(st), &stb, v);
1980 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1982 printf("%d/%d: dwrite - xfsctl(XFS_IOC_DIOINFO)"
1983 " %s%s failed %d\n",
1984 procid, opno, f.path, st, errno);
1989 align = (__int64_t)diob.d_miniosz;
1990 lr = ((__int64_t)random() << 32) + random();
1991 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1992 off -= (off % align);
1993 lseek64(fd, off, SEEK_SET);
1994 len = (random() % FILELEN_MAX) + 1;
1995 len -= (len % align);
1998 else if (len > diob.d_maxiosz)
1999 len = diob.d_maxiosz;
2000 buf = memalign(diob.d_mem, len);
2002 lseek64(fd, off, SEEK_SET);
2003 memset(buf, nameseq & 0xff, len);
2004 e = write(fd, buf, len) < 0 ? errno : 0;
2007 printf("%d/%d: dwrite %s%s [%lld,%d] %d\n",
2008 procid, opno, f.path, st, (long long)off, (int)len, e);
2014 fdatasync_f(int opno, long r)
2022 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2024 printf("%d/%d: fdatasync - no filename\n",
2029 fd = open_path(&f, O_WRONLY);
2030 e = fd < 0 ? errno : 0;
2034 printf("%d/%d: fdatasync - open %s failed %d\n",
2035 procid, opno, f.path, e);
2039 e = fdatasync(fd) < 0 ? errno : 0;
2041 printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
2047 freesp_f(int opno, long r)
2052 struct xfs_flock64 fl;
2060 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2062 printf("%d/%d: freesp - no filename\n", procid, opno);
2066 fd = open_path(&f, O_RDWR);
2067 e = fd < 0 ? errno : 0;
2071 printf("%d/%d: freesp - open %s failed %d\n",
2072 procid, opno, f.path, e);
2076 if (fstat64(fd, &stb) < 0) {
2078 printf("%d/%d: freesp - fstat64 %s failed %d\n",
2079 procid, opno, f.path, errno);
2084 inode_info(st, sizeof(st), &stb, v);
2085 lr = ((__int64_t)random() << 32) + random();
2086 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2088 fl.l_whence = SEEK_SET;
2091 e = xfsctl(f.path, fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
2093 printf("%d/%d: xfsctl(XFS_IOC_FREESP64) %s%s %lld 0 %d\n",
2094 procid, opno, f.path, st, (long long)off, e);
2100 fsync_f(int opno, long r)
2108 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2110 printf("%d/%d: fsync - no filename\n", procid, opno);
2114 fd = open_path(&f, O_WRONLY);
2115 e = fd < 0 ? errno : 0;
2119 printf("%d/%d: fsync - open %s failed %d\n",
2120 procid, opno, f.path, e);
2124 e = fsync(fd) < 0 ? errno : 0;
2126 printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
2132 getdents_f(int opno, long r)
2139 if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
2140 append_pathname(&f, ".");
2141 dir = opendir_path(&f);
2145 printf("%d/%d: getdents - can't open %s\n",
2146 procid, opno, f.path);
2150 while (readdir64(dir) != NULL)
2153 printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
2159 link_f(int opno, long r)
2172 if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
2174 printf("%d/%d: link - no file\n", procid, opno);
2178 if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
2184 e = generate_fname(fep, flp - flist, &l, &id, &v1);
2188 (void)fent_to_name(&l, &flist[FT_DIR], fep);
2189 printf("%d/%d: link - no filename from %s\n",
2190 procid, opno, l.path);
2196 e = link_path(&f, &l) < 0 ? errno : 0;
2199 add_to_flist(flp - flist, id, parid);
2201 printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
2203 printf("%d/%d: link add id=%d,parent=%d\n", procid, opno, id, parid);
2210 mkdir_f(int opno, long r)
2220 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2225 e = generate_fname(fep, FT_DIR, &f, &id, &v1);
2229 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2230 printf("%d/%d: mkdir - no filename from %s\n",
2231 procid, opno, f.path);
2236 e = mkdir_path(&f, 0777) < 0 ? errno : 0;
2239 add_to_flist(FT_DIR, id, parid);
2241 printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
2242 printf("%d/%d: mkdir add id=%d,parent=%d\n", procid, opno, id, parid);
2248 mknod_f(int opno, long r)
2258 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2263 e = generate_fname(fep, FT_DEV, &f, &id, &v1);
2267 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2268 printf("%d/%d: mknod - no filename from %s\n",
2269 procid, opno, f.path);
2274 e = mknod_path(&f, S_IFCHR|0444, 0) < 0 ? errno : 0;
2277 add_to_flist(FT_DEV, id, parid);
2279 printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
2280 printf("%d/%d: mknod add id=%d,parent=%d\n", procid, opno, id, parid);
2286 read_f(int opno, long r)
2300 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2302 printf("%d/%d: read - no filename\n", procid, opno);
2306 fd = open_path(&f, O_RDONLY);
2307 e = fd < 0 ? errno : 0;
2311 printf("%d/%d: read - open %s failed %d\n",
2312 procid, opno, f.path, e);
2316 if (fstat64(fd, &stb) < 0) {
2318 printf("%d/%d: read - fstat64 %s failed %d\n",
2319 procid, opno, f.path, errno);
2324 inode_info(st, sizeof(st), &stb, v);
2325 if (stb.st_size == 0) {
2327 printf("%d/%d: read - %s%s zero size\n", procid, opno,
2333 lr = ((__int64_t)random() << 32) + random();
2334 off = (off64_t)(lr % stb.st_size);
2335 lseek64(fd, off, SEEK_SET);
2336 len = (random() % FILELEN_MAX) + 1;
2338 e = read(fd, buf, len) < 0 ? errno : 0;
2341 printf("%d/%d: read %s%s [%lld,%d] %d\n",
2342 procid, opno, f.path, st, (long long)off, (int)len, e);
2348 readlink_f(int opno, long r)
2356 if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
2358 printf("%d/%d: readlink - no filename\n", procid, opno);
2362 e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
2365 printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
2370 rename_f(int opno, long r)
2384 /* get an existing path for the source of the rename */
2386 if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
2388 printf("%d/%d: rename - no filename\n", procid, opno);
2393 /* get an existing directory for the destination parent directory name */
2394 if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
2400 /* generate a new path using an existing parent directory in name */
2401 init_pathname(&newf);
2402 e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
2406 (void)fent_to_name(&f, &flist[FT_DIR], dfep);
2407 printf("%d/%d: rename - no filename from %s\n",
2408 procid, opno, f.path);
2410 free_pathname(&newf);
2414 e = rename_path(&f, &newf) < 0 ? errno : 0;
2417 if (flp - flist == FT_DIR) {
2419 fix_parent(oldid, id);
2421 del_from_flist(flp - flist, fep - flp->fents);
2422 add_to_flist(flp - flist, id, parid);
2425 printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
2428 printf("%d/%d: rename del entry: id=%d,parent=%d\n",
2429 procid, opno, fep->id, fep->parent);
2430 printf("%d/%d: rename add entry: id=%d,parent=%d\n",
2431 procid, opno, id, parid);
2434 free_pathname(&newf);
2439 resvsp_f(int opno, long r)
2444 struct xfs_flock64 fl;
2452 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2454 printf("%d/%d: resvsp - no filename\n", procid, opno);
2458 fd = open_path(&f, O_RDWR);
2459 e = fd < 0 ? errno : 0;
2463 printf("%d/%d: resvsp - open %s failed %d\n",
2464 procid, opno, f.path, e);
2468 if (fstat64(fd, &stb) < 0) {
2470 printf("%d/%d: resvsp - fstat64 %s failed %d\n",
2471 procid, opno, f.path, errno);
2476 inode_info(st, sizeof(st), &stb, v);
2477 lr = ((__int64_t)random() << 32) + random();
2478 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2480 fl.l_whence = SEEK_SET;
2482 fl.l_len = (off64_t)(random() % (1024 * 1024));
2483 e = xfsctl(f.path, fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
2485 printf("%d/%d: xfsctl(XFS_IOC_RESVSP64) %s%s %lld %lld %d\n",
2486 procid, opno, f.path, st,
2487 (long long)off, (long long)fl.l_len, e);
2493 rmdir_f(int opno, long r)
2501 if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
2503 printf("%d/%d: rmdir - no directory\n", procid, opno);
2507 e = rmdir_path(&f) < 0 ? errno : 0;
2510 del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
2512 printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
2514 printf("%d/%d: rmdir del entry: id=%d,parent=%d\n",
2515 procid, opno, fep->id, fep->parent);
2521 stat_f(int opno, long r)
2529 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
2531 printf("%d/%d: stat - no entries\n", procid, opno);
2535 e = lstat64_path(&f, &stb) < 0 ? errno : 0;
2538 printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
2543 symlink_f(int opno, long r)
2556 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2561 e = generate_fname(fep, FT_SYM, &f, &id, &v1);
2565 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2566 printf("%d/%d: symlink - no filename from %s\n",
2567 procid, opno, f.path);
2572 len = (int)(random() % PATH_MAX);
2573 val = malloc(len + 1);
2575 memset(val, 'x', len);
2577 for (i = 10; i < len - 1; i += 10)
2579 e = symlink_path(val, &f) < 0 ? errno : 0;
2582 add_to_flist(FT_SYM, id, parid);
2585 printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
2586 printf("%d/%d: symlink add id=%d,parent=%d\n", procid, opno, id, parid);
2593 sync_f(int opno, long r)
2597 printf("%d/%d: sync\n", procid, opno);
2601 truncate_f(int opno, long r)
2612 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2614 printf("%d/%d: truncate - no filename\n", procid, opno);
2618 e = stat64_path(&f, &stb) < 0 ? errno : 0;
2622 printf("%d/%d: truncate - stat64 %s failed %d\n",
2623 procid, opno, f.path, e);
2627 inode_info(st, sizeof(st), &stb, v);
2628 lr = ((__int64_t)random() << 32) + random();
2629 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2631 e = truncate64_path(&f, off) < 0 ? errno : 0;
2634 printf("%d/%d: truncate %s%s %lld %d\n", procid, opno, f.path,
2635 st, (long long)off, e);
2640 unlink_f(int opno, long r)
2649 if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
2651 printf("%d/%d: unlink - no file\n", procid, opno);
2655 e = unlink_path(&f) < 0 ? errno : 0;
2658 del_from_flist(flp - flist, fep - flp->fents);
2660 printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
2662 printf("%d/%d: unlink del entry: id=%d,parent=%d\n",
2663 procid, opno, fep->id, fep->parent);
2669 unresvsp_f(int opno, long r)
2674 struct xfs_flock64 fl;
2682 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2684 printf("%d/%d: unresvsp - no filename\n", procid, opno);
2688 fd = open_path(&f, O_RDWR);
2689 e = fd < 0 ? errno : 0;
2693 printf("%d/%d: unresvsp - open %s failed %d\n",
2694 procid, opno, f.path, e);
2698 if (fstat64(fd, &stb) < 0) {
2700 printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
2701 procid, opno, f.path, errno);
2706 inode_info(st, sizeof(st), &stb, v);
2707 lr = ((__int64_t)random() << 32) + random();
2708 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2710 fl.l_whence = SEEK_SET;
2712 fl.l_len = (off64_t)(random() % (1 << 20));
2713 e = xfsctl(f.path, fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
2715 printf("%d/%d: xfsctl(XFS_IOC_UNRESVSP64) %s%s %lld %lld %d\n",
2716 procid, opno, f.path, st,
2717 (long long)off, (long long)fl.l_len, e);
2723 write_f(int opno, long r)
2737 if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
2739 printf("%d/%d: write - no filename\n", procid, opno);
2743 fd = open_path(&f, O_WRONLY);
2744 e = fd < 0 ? errno : 0;
2748 printf("%d/%d: write - open %s failed %d\n",
2749 procid, opno, f.path, e);
2753 if (fstat64(fd, &stb) < 0) {
2755 printf("%d/%d: write - fstat64 %s failed %d\n",
2756 procid, opno, f.path, errno);
2761 inode_info(st, sizeof(st), &stb, v);
2762 lr = ((__int64_t)random() << 32) + random();
2763 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2765 lseek64(fd, off, SEEK_SET);
2766 len = (random() % FILELEN_MAX) + 1;
2768 memset(buf, nameseq & 0xff, len);
2769 e = write(fd, buf, len) < 0 ? errno : 0;
2772 printf("%d/%d: write %s%s [%lld,%d] %d\n",
2773 procid, opno, f.path, st, (long long)off, (int)len, e);