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>
27 #ifdef HAVE_LINUX_FIEMAP_H
28 #include <linux/fiemap.h>
31 #include <linux/falloc.h>
32 #ifndef FALLOC_FL_PUNCH_HOLE
33 /* Copy-paste from linux/falloc.h */
34 #define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */
37 #ifndef HAVE_ATTR_LIST
38 #define attr_list(path, buf, size, flags, cursor) (errno = -ENOSYS, -1)
40 #ifdef HAVE_SYS_PRCTL_H
41 #include <sys/prctl.h>
45 #ifndef FS_IOC_GETFLAGS
46 #define FS_IOC_GETFLAGS _IOR('f', 1, long)
48 #ifndef FS_IOC_SETFLAGS
49 #define FS_IOC_SETFLAGS _IOW('f', 2, long)
53 #define XFS_ERRTAG_MAX 17
54 #define XFS_IDMODULO_MAX 31 /* user/group IDs (1 << x) */
55 #define XFS_PROJIDMODULO_MAX 16 /* project IDs (1 << x) */
57 #define FILELEN_MAX (32*4096)
97 typedef void (*opfnc_t)(int, long);
99 typedef struct opdesc {
107 typedef struct fent {
112 typedef struct flist {
119 typedef struct pathname {
125 #define FT_DIRm (1 << FT_DIR)
127 #define FT_REGm (1 << FT_REG)
129 #define FT_SYMm (1 << FT_SYM)
131 #define FT_DEVm (1 << FT_DEV)
133 #define FT_RTFm (1 << FT_RTF)
135 #define FT_ANYm ((1 << FT_nft) - 1)
136 #define FT_REGFILE (FT_REGm | FT_RTFm)
137 #define FT_NOTDIR (FT_ANYm & ~FT_DIRm)
139 #define FLIST_SLOT_INCR 16
142 #define MAXFSIZE ((1ULL << 63) - 1ULL)
143 #define MAXFSIZE32 ((1ULL << 40) - 1ULL)
145 void allocsp_f(int, long);
146 void attr_remove_f(int, long);
147 void attr_set_f(int, long);
148 void bulkstat_f(int, long);
149 void bulkstat1_f(int, long);
150 void chown_f(int, long);
151 void creat_f(int, long);
152 void dread_f(int, long);
153 void dwrite_f(int, long);
154 void fallocate_f(int, long);
155 void fdatasync_f(int, long);
156 void fiemap_f(int, long);
157 void freesp_f(int, long);
158 void fsync_f(int, long);
159 void getattr_f(int, long);
160 void getdents_f(int, long);
161 void link_f(int, long);
162 void mkdir_f(int, long);
163 void mknod_f(int, long);
164 void punch_f(int, long);
165 void read_f(int, long);
166 void readlink_f(int, long);
167 void rename_f(int, long);
168 void resvsp_f(int, long);
169 void rmdir_f(int, long);
170 void setattr_f(int, long);
171 void setxattr_f(int, long);
172 void stat_f(int, long);
173 void symlink_f(int, long);
174 void sync_f(int, long);
175 void truncate_f(int, long);
176 void unlink_f(int, long);
177 void unresvsp_f(int, long);
178 void write_f(int, long);
181 /* { OP_ENUM, "name", function, freq, iswrite }, */
182 { OP_ALLOCSP, "allocsp", allocsp_f, 1, 1 },
183 { OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1 },
184 { OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1 },
185 { OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0 },
186 { OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0 },
187 { OP_CHOWN, "chown", chown_f, 3, 1 },
188 { OP_CREAT, "creat", creat_f, 4, 1 },
189 { OP_DREAD, "dread", dread_f, 4, 0 },
190 { OP_DWRITE, "dwrite", dwrite_f, 4, 1 },
191 { OP_FALLOCATE, "fallocate", fallocate_f, 1, 1 },
192 { OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1 },
193 { OP_FIEMAP, "fiemap", fiemap_f, 1, 1 },
194 { OP_FREESP, "freesp", freesp_f, 1, 1 },
195 { OP_FSYNC, "fsync", fsync_f, 1, 1 },
196 { OP_GETATTR, "getattr", getattr_f, 1, 0 },
197 { OP_GETDENTS, "getdents", getdents_f, 1, 0 },
198 { OP_LINK, "link", link_f, 1, 1 },
199 { OP_MKDIR, "mkdir", mkdir_f, 2, 1 },
200 { OP_MKNOD, "mknod", mknod_f, 2, 1 },
201 { OP_PUNCH, "punch", punch_f, 1, 1 },
202 { OP_READ, "read", read_f, 1, 0 },
203 { OP_READLINK, "readlink", readlink_f, 1, 0 },
204 { OP_RENAME, "rename", rename_f, 2, 1 },
205 { OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
206 { OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
207 { OP_SETATTR, "setattr", setattr_f, 0, 1 },
208 { OP_SETXATTR, "setxattr", setxattr_f, 1, 1 },
209 { OP_STAT, "stat", stat_f, 1, 0 },
210 { OP_SYMLINK, "symlink", symlink_f, 2, 1 },
211 { OP_SYNC, "sync", sync_f, 1, 1 },
212 { OP_TRUNCATE, "truncate", truncate_f, 2, 1 },
213 { OP_UNLINK, "unlink", unlink_f, 1, 1 },
214 { OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
215 { OP_WRITE, "write", write_f, 4, 1 },
218 flist_t flist[FT_nft] = {
231 xfs_fsop_geom_t geom;
242 unsigned int idmodulo = XFS_IDMODULO_MAX;
243 unsigned int attr_mask = ~0;
246 unsigned long seed = 0;
249 sig_atomic_t should_stop = 0;
251 void add_to_flist(int, int, int);
252 void append_pathname(pathname_t *, char *);
253 int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
254 int attr_remove_path(pathname_t *, const char *, int);
255 int attr_set_path(pathname_t *, const char *, const char *, const int, int);
256 void check_cwd(void);
257 int creat_path(pathname_t *, mode_t);
258 void dcache_enter(int, int);
259 void dcache_init(void);
260 fent_t *dcache_lookup(int);
261 void dcache_purge(int);
262 void del_from_flist(int, int);
263 int dirid_to_name(char *, int);
265 int fent_to_name(pathname_t *, flist_t *, fent_t *);
266 void fix_parent(int, int);
267 void free_pathname(pathname_t *);
268 int generate_fname(fent_t *, int, pathname_t *, int *, int *);
269 int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
270 void init_pathname(pathname_t *);
271 int lchown_path(pathname_t *, uid_t, gid_t);
272 int link_path(pathname_t *, pathname_t *);
273 int lstat64_path(pathname_t *, struct stat64 *);
274 void make_freq_table(void);
275 int mkdir_path(pathname_t *, mode_t);
276 int mknod_path(pathname_t *, mode_t, dev_t);
277 void namerandpad(int, char *, int);
278 int open_path(pathname_t *, int);
279 DIR *opendir_path(pathname_t *);
280 void process_freq(char *);
281 int readlink_path(pathname_t *, char *, size_t);
282 int rename_path(pathname_t *, pathname_t *);
283 int rmdir_path(pathname_t *);
284 void separate_pathname(pathname_t *, char *, pathname_t *);
285 void show_ops(int, char *);
286 int stat64_path(pathname_t *, struct stat64 *);
287 int symlink_path(const char *, pathname_t *);
288 int truncate64_path(pathname_t *, off64_t);
289 int unlink_path(pathname_t *);
291 void write_freq(void);
292 void zero_freq(void);
294 void sg_handler(int signum)
299 int main(int argc, char **argv)
303 char *dirname = NULL;
304 char *logname = NULL;
305 char rpath[PATH_MAX];
314 xfs_error_injection_t err_inj;
315 struct sigaction action;
317 errrange = errtag = 0;
319 nops = sizeof(ops) / sizeof(ops[0]);
320 ops_end = &ops[nops];
322 while ((c = getopt(argc, argv, "d:e:f:i:m:M:n:o:p:rs:S:vwzH")) != -1) {
328 sscanf(optarg, "%d", &errtag);
332 } else if (errtag == 0)
334 if (errtag >= XFS_ERRTAG_MAX) {
336 "error tag %d too large (max %d)\n",
337 errtag, XFS_ERRTAG_MAX - 1);
342 process_freq(optarg);
345 ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
346 ilist[ilistlen - 1] = strtol(optarg, &p, 16);
349 idmodulo = strtoul(optarg, NULL, 0);
350 if (idmodulo > XFS_IDMODULO_MAX) {
352 "chown modulo %d too big (max %d)\n",
353 idmodulo, XFS_IDMODULO_MAX);
358 operations = atoi(optarg);
365 nproc = atoi(optarg);
371 seed = strtoul(optarg, NULL, 0);
383 attr_mask = strtoul(optarg, NULL, 0);
387 if (optarg[0] == 'c')
394 fprintf(stderr, "%s - invalid parameters\n",
404 /* no directory specified */
405 if (!nousage) usage();
409 (void)mkdir(dirname, 0777);
410 if (logname && logname[0] != '/') {
411 if (getcwd(rpath, sizeof(rpath)) < 0){
412 perror("getcwd failed");
418 if (chdir(dirname) < 0) {
424 snprintf(path, sizeof(path), "%s/%s", rpath, logname);
425 if (freopen(path, "a", stdout) == NULL) {
426 perror("freopen logfile failed");
430 sprintf(buf, "fss%x", (unsigned int)getpid());
431 fd = creat(buf, 0666);
432 if (lseek64(fd, (off64_t)(MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
433 maxfsize = (off64_t)MAXFSIZE32;
435 maxfsize = (off64_t)MAXFSIZE;
440 gettimeofday(&t, (void *)NULL);
441 seed = (int)t.tv_sec ^ (int)t.tv_usec;
442 printf("seed = %ld\n", seed);
444 i = xfsctl(buf, fd, XFS_IOC_FSGEOMETRY, &geom);
445 if (i >= 0 && geom.rtblocks)
446 rtpct = MIN(MAX(geom.rtblocks * 100 /
447 (geom.rtblocks + geom.datablocks), 1), 99);
456 for (i = 0; i < j; i++)
459 errtag = (random() % (XFS_ERRTAG_MAX-1)) + 1;
465 for (i = 0; i < j; i++)
468 errtag += (random() % (XFS_ERRTAG_MAX - errtag));
470 printf("Injecting failure on tag #%d\n", errtag);
471 err_inj.errtag = errtag;
473 srval = xfsctl(buf, fd, XFS_IOC_ERROR_INJECTION, &err_inj);
475 perror("fsstress - XFS_SYSSGI error injection call");
484 action.sa_handler = sg_handler;
485 sigemptyset(&action.sa_mask);
487 if (sigaction(SIGTERM, &action, 0)) {
488 perror("sigaction failed");
492 for (i = 0; i < nproc; i++) {
494 action.sa_handler = SIG_DFL;
495 sigemptyset(&action.sa_mask);
496 if (sigaction(SIGTERM, &action, 0))
498 #ifdef HAVE_SYS_PRCTL_H
499 prctl(PR_SET_PDEATHSIG, SIGKILL);
500 if (getppid() == 1) /* parent died already? */
505 snprintf(path, sizeof(path), "%s/%s.%d",
507 if (freopen(path, "a", stdout) == NULL) {
508 perror("freopen logfile failed");
517 while (wait(&stat) > 0 && !should_stop) {
520 action.sa_flags = SA_RESTART;
521 sigaction(SIGTERM, &action, 0);
522 kill(-getpid(), SIGTERM);
523 while (wait(&stat) > 0)
529 srval = xfsctl(buf, fd, XFS_IOC_ERROR_CLEARALL, &err_inj);
531 fprintf(stderr, "Bad ej clear on %s fd=%d (%d).\n",
533 perror("xfsctl(XFS_IOC_ERROR_CLEARALL)");
545 add_to_flist(int ft, int id, int parent)
551 if (ftp->nfiles == ftp->nslots) {
552 ftp->nslots += FLIST_SLOT_INCR;
553 ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
555 fep = &ftp->fents[ftp->nfiles++];
557 fep->parent = parent;
561 append_pathname(pathname_t *name, char *str)
567 /* attempting to append to a dir a zero length path */
568 if (len && *str == '/' && name->len == 0) {
569 fprintf(stderr, "fsstress: append_pathname failure\n");
575 name->path = realloc(name->path, name->len + 1 + len);
576 strcpy(&name->path[name->len], str);
581 attr_list_path(pathname_t *name,
583 const int buffersize,
585 attrlist_cursor_t *cursor)
587 char buf[NAME_MAX + 1];
591 if (flags != ATTR_DONTFOLLOW) {
596 rval = attr_list(name->path, buffer, buffersize, flags, cursor);
597 if (rval >= 0 || errno != ENAMETOOLONG)
599 separate_pathname(name, buf, &newname);
600 if (chdir(buf) == 0) {
601 rval = attr_list_path(&newname, buffer, buffersize, flags, cursor);
604 free_pathname(&newname);
609 attr_remove_path(pathname_t *name, const char *attrname, int flags)
611 char buf[NAME_MAX + 1];
615 rval = attr_remove(name->path, attrname, flags);
616 if (rval >= 0 || errno != ENAMETOOLONG)
618 separate_pathname(name, buf, &newname);
619 if (chdir(buf) == 0) {
620 rval = attr_remove_path(&newname, attrname, flags);
623 free_pathname(&newname);
628 attr_set_path(pathname_t *name, const char *attrname, const char *attrvalue,
629 const int valuelength, int flags)
631 char buf[NAME_MAX + 1];
635 rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
636 if (rval >= 0 || errno != ENAMETOOLONG)
638 separate_pathname(name, buf, &newname);
639 if (chdir(buf) == 0) {
640 rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
644 free_pathname(&newname);
652 struct stat64 statbuf;
654 if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
657 fprintf(stderr, "fsstress: check_cwd failure\n");
664 creat_path(pathname_t *name, mode_t mode)
666 char buf[NAME_MAX + 1];
670 rval = creat(name->path, mode);
671 if (rval >= 0 || errno != ENAMETOOLONG)
673 separate_pathname(name, buf, &newname);
674 if (chdir(buf) == 0) {
675 rval = creat_path(&newname, mode);
678 free_pathname(&newname);
683 dcache_enter(int dirid, int slot)
685 dcache[dirid % NDCACHE] = slot;
693 for (i = 0; i < NDCACHE; i++)
698 dcache_lookup(int dirid)
703 i = dcache[dirid % NDCACHE];
704 if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
710 dcache_purge(int dirid)
714 dcp = &dcache[dirid % NDCACHE];
715 if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
720 * Delete the item from the list by
721 * moving last entry over the deleted one;
722 * unless deleted entry is the last one.
723 * Input: which file list array and which slot in array
726 del_from_flist(int ft, int slot)
732 dcache_purge(ftp->fents[slot].id);
733 if (slot != ftp->nfiles - 1) {
735 dcache_purge(ftp->fents[ftp->nfiles - 1].id);
736 ftp->fents[slot] = ftp->fents[--ftp->nfiles];
742 dirid_to_fent(int dirid)
748 if ((fep = dcache_lookup(dirid)))
750 flp = &flist[FT_DIR];
751 for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
752 if (fep->id == dirid) {
753 dcache_enter(dirid, fep - flp->fents);
763 struct stat64 statbuf;
769 sprintf(buf, "p%x", procid);
770 (void)mkdir(buf, 0777);
771 if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
775 top_ino = statbuf.st_ino;
776 homedir = getcwd(NULL, -1);
781 for (opno = 0; opno < operations; opno++) {
782 p = &ops[freq_table[random() % freq_table_size]];
783 p->func(opno, random());
785 * test for forced shutdown by stat'ing the test
786 * directory. If this stat returns EIO, assume
787 * the forced shutdown happened.
789 if (errtag != 0 && opno % 100 == 0) {
790 rval = stat64(".", &statbuf);
792 fprintf(stderr, "Detected EIO\n");
800 * build up a pathname going thru the file entry and all
802 * Return 0 on error, 1 on success;
805 fent_to_name(pathname_t *name, flist_t *flp, fent_t *fep)
807 char buf[NAME_MAX + 1];
815 /* build up parent directory name */
816 if (fep->parent != -1) {
817 pfep = dirid_to_fent(fep->parent);
820 fprintf(stderr, "%d: fent-id = %d: can't find parent id: %d\n",
821 procid, fep->id, fep->parent);
826 e = fent_to_name(name, &flist[FT_DIR], pfep);
829 append_pathname(name, "/");
832 i = sprintf(buf, "%c%x", flp->tag, fep->id);
833 namerandpad(fep->id, buf, i);
834 append_pathname(name, buf);
839 fix_parent(int oldid, int newid)
846 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
847 for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
848 if (fep->parent == oldid)
855 free_pathname(pathname_t *name)
865 * Generate a filename of type ft.
866 * If we have a fep which should be a directory then use it
867 * as the parent path for this new filename i.e. prepend with it.
870 generate_fname(fent_t *fep, int ft, pathname_t *name, int *idp, int *v)
872 char buf[NAME_MAX + 1];
881 len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
882 namerandpad(id, buf, len);
884 /* prepend fep parent dir-name to it */
886 e = fent_to_name(name, &flist[FT_DIR], fep);
889 append_pathname(name, "/");
891 append_pathname(name, buf);
895 for (j = 0; !*v && j < ilistlen; j++) {
896 if (ilist[j] == id) {
906 * Input: "which" to choose the file-types eg. non-directory
907 * Input: "r" to choose which file
908 * Output: file-list, file-entry, name for the chosen file.
909 * Output: verbose if chosen file is on the ilist.
912 get_fname(int which, long r, pathname_t *name, flist_t **flpp, fent_t **fepp,
915 int totalsum = 0; /* total number of matching files */
916 int partialsum = 0; /* partial sum of matching files */
922 int e = 1; /* success */
925 * go thru flist and add up number of files for each
926 * category that matches with <which>.
928 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
929 if (which & (1 << i))
930 totalsum += flp->nfiles;
942 * Now we have possible matches between 0..totalsum-1.
943 * And we use r to help us choose which one we want,
944 * which when bounded by totalsum becomes x.
946 x = (int)(r % totalsum);
947 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
948 if (which & (1 << i)) {
949 if (x < partialsum + flp->nfiles) {
951 /* found the matching file entry */
952 fep = &flp->fents[x - partialsum];
954 /* fill-in what we were asked for */
956 e = fent_to_name(name, flp, fep);
959 fprintf(stderr, "%d: failed to get path for entry:"
960 " id=%d,parent=%d\n",
961 procid, fep->id, fep->parent);
970 /* turn on verbose if its an ilisted file */
972 for (j = 0; !*v && j < ilistlen; j++) {
973 if (ilist[j] == fep->id) {
980 partialsum += flp->nfiles;
984 fprintf(stderr, "fsstress: get_fname failure\n");
991 init_pathname(pathname_t *name)
998 lchown_path(pathname_t *name, uid_t owner, gid_t group)
1000 char buf[NAME_MAX + 1];
1004 rval = lchown(name->path, owner, group);
1005 if (rval >= 0 || errno != ENAMETOOLONG)
1007 separate_pathname(name, buf, &newname);
1008 if (chdir(buf) == 0) {
1009 rval = lchown_path(&newname, owner, group);
1012 free_pathname(&newname);
1017 link_path(pathname_t *name1, pathname_t *name2)
1019 char buf1[NAME_MAX + 1];
1020 char buf2[NAME_MAX + 1];
1022 pathname_t newname1;
1023 pathname_t newname2;
1026 rval = link(name1->path, name2->path);
1027 if (rval >= 0 || errno != ENAMETOOLONG)
1029 separate_pathname(name1, buf1, &newname1);
1030 separate_pathname(name2, buf2, &newname2);
1031 if (strcmp(buf1, buf2) == 0) {
1032 if (chdir(buf1) == 0) {
1033 rval = link_path(&newname1, &newname2);
1037 if (strcmp(buf1, "..") == 0)
1039 else if (strcmp(buf2, "..") == 0)
1041 else if (strlen(buf1) == 0)
1043 else if (strlen(buf2) == 0)
1046 down1 = MAX(newname1.len, 3 + name2->len) <=
1047 MAX(3 + name1->len, newname2.len);
1049 free_pathname(&newname2);
1050 append_pathname(&newname2, "../");
1051 append_pathname(&newname2, name2->path);
1052 if (chdir(buf1) == 0) {
1053 rval = link_path(&newname1, &newname2);
1057 free_pathname(&newname1);
1058 append_pathname(&newname1, "../");
1059 append_pathname(&newname1, name1->path);
1060 if (chdir(buf2) == 0) {
1061 rval = link_path(&newname1, &newname2);
1066 free_pathname(&newname1);
1067 free_pathname(&newname2);
1072 lstat64_path(pathname_t *name, struct stat64 *sbuf)
1074 char buf[NAME_MAX + 1];
1078 rval = lstat64(name->path, sbuf);
1079 if (rval >= 0 || errno != ENAMETOOLONG)
1081 separate_pathname(name, buf, &newname);
1082 if (chdir(buf) == 0) {
1083 rval = lstat64_path(&newname, sbuf);
1086 free_pathname(&newname);
1091 make_freq_table(void)
1097 for (p = ops, f = 0; p < ops_end; p++)
1099 freq_table = malloc(f * sizeof(*freq_table));
1100 freq_table_size = f;
1101 for (p = ops, i = 0; p < ops_end; p++) {
1102 for (f = 0; f < p->freq; f++, i++)
1103 freq_table[i] = p->op;
1108 mkdir_path(pathname_t *name, mode_t mode)
1110 char buf[NAME_MAX + 1];
1114 rval = mkdir(name->path, mode);
1115 if (rval >= 0 || errno != ENAMETOOLONG)
1117 separate_pathname(name, buf, &newname);
1118 if (chdir(buf) == 0) {
1119 rval = mkdir_path(&newname, mode);
1122 free_pathname(&newname);
1127 mknod_path(pathname_t *name, mode_t mode, dev_t dev)
1129 char buf[NAME_MAX + 1];
1133 rval = mknod(name->path, mode, dev);
1134 if (rval >= 0 || errno != ENAMETOOLONG)
1136 separate_pathname(name, buf, &newname);
1137 if (chdir(buf) == 0) {
1138 rval = mknod_path(&newname, mode, dev);
1141 free_pathname(&newname);
1146 namerandpad(int id, char *buf, int i)
1149 static int buckets[] =
1150 { 2, 4, 8, 16, 32, 64, 128, NAME_MAX };
1156 bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
1157 padmod = buckets[bucket] + 1 - i;
1160 padlen = (id ^ namerand) % padmod;
1162 memset(&buf[i], 'X', padlen);
1163 buf[i + padlen] = '\0';
1168 open_path(pathname_t *name, int oflag)
1170 char buf[NAME_MAX + 1];
1174 rval = open(name->path, oflag);
1175 if (rval >= 0 || errno != ENAMETOOLONG)
1177 separate_pathname(name, buf, &newname);
1178 if (chdir(buf) == 0) {
1179 rval = open_path(&newname, oflag);
1182 free_pathname(&newname);
1187 opendir_path(pathname_t *name)
1189 char buf[NAME_MAX + 1];
1193 rval = opendir(name->path);
1194 if (rval || errno != ENAMETOOLONG)
1196 separate_pathname(name, buf, &newname);
1197 if (chdir(buf) == 0) {
1198 rval = opendir_path(&newname);
1201 free_pathname(&newname);
1206 process_freq(char *arg)
1211 s = strchr(arg, '=');
1213 fprintf(stderr, "bad argument '%s'\n", arg);
1217 for (p = ops; p < ops_end; p++) {
1218 if (strcmp(arg, p->name) == 0) {
1223 fprintf(stderr, "can't find op type %s for -f\n", arg);
1228 readlink_path(pathname_t *name, char *lbuf, size_t lbufsiz)
1230 char buf[NAME_MAX + 1];
1234 rval = readlink(name->path, lbuf, lbufsiz);
1235 if (rval >= 0 || errno != ENAMETOOLONG)
1237 separate_pathname(name, buf, &newname);
1238 if (chdir(buf) == 0) {
1239 rval = readlink_path(&newname, lbuf, lbufsiz);
1242 free_pathname(&newname);
1247 rename_path(pathname_t *name1, pathname_t *name2)
1249 char buf1[NAME_MAX + 1];
1250 char buf2[NAME_MAX + 1];
1252 pathname_t newname1;
1253 pathname_t newname2;
1256 rval = rename(name1->path, name2->path);
1257 if (rval >= 0 || errno != ENAMETOOLONG)
1259 separate_pathname(name1, buf1, &newname1);
1260 separate_pathname(name2, buf2, &newname2);
1261 if (strcmp(buf1, buf2) == 0) {
1262 if (chdir(buf1) == 0) {
1263 rval = rename_path(&newname1, &newname2);
1267 if (strcmp(buf1, "..") == 0)
1269 else if (strcmp(buf2, "..") == 0)
1271 else if (strlen(buf1) == 0)
1273 else if (strlen(buf2) == 0)
1276 down1 = MAX(newname1.len, 3 + name2->len) <=
1277 MAX(3 + name1->len, newname2.len);
1279 free_pathname(&newname2);
1280 append_pathname(&newname2, "../");
1281 append_pathname(&newname2, name2->path);
1282 if (chdir(buf1) == 0) {
1283 rval = rename_path(&newname1, &newname2);
1287 free_pathname(&newname1);
1288 append_pathname(&newname1, "../");
1289 append_pathname(&newname1, name1->path);
1290 if (chdir(buf2) == 0) {
1291 rval = rename_path(&newname1, &newname2);
1296 free_pathname(&newname1);
1297 free_pathname(&newname2);
1302 rmdir_path(pathname_t *name)
1304 char buf[NAME_MAX + 1];
1308 rval = rmdir(name->path);
1309 if (rval >= 0 || errno != ENAMETOOLONG)
1311 separate_pathname(name, buf, &newname);
1312 if (chdir(buf) == 0) {
1313 rval = rmdir_path(&newname);
1316 free_pathname(&newname);
1321 separate_pathname(pathname_t *name, char *buf, pathname_t *newname)
1325 init_pathname(newname);
1326 slash = strchr(name->path, '/');
1327 if (slash == NULL) {
1332 strcpy(buf, name->path);
1334 append_pathname(newname, slash + 1);
1340 show_ops(int flag, char *lead_str)
1345 /* print in list form */
1348 for (p = ops; p < ops_end; p++) {
1349 if (lead_str != NULL && x+strlen(p->name)>=WIDTH-5)
1350 x=printf("%s%s", (p==ops)?"":"\n", lead_str);
1351 x+=printf("%s ", p->name);
1354 } else if (flag == 0) {
1355 /* Table view style */
1357 for (f = 0, p = ops; p < ops_end; p++)
1363 for (p = ops; p < ops_end; p++) {
1364 if (flag != 0 || p->freq > 0) {
1365 if (lead_str != NULL)
1366 printf("%s", lead_str);
1367 printf("%20s %d/%d %s\n",
1368 p->name, p->freq, f,
1369 (p->iswrite == 0) ? " " : "write op");
1373 /* Command line style */
1374 if (lead_str != NULL)
1375 printf("%s", lead_str);
1376 printf ("-z -s %ld -m %d -n %d -p %d \\\n", seed, idmodulo,
1378 for (p = ops; p < ops_end; p++)
1380 printf("-f %s=%d \\\n",p->name, p->freq);
1385 stat64_path(pathname_t *name, struct stat64 *sbuf)
1387 char buf[NAME_MAX + 1];
1391 rval = stat64(name->path, sbuf);
1392 if (rval >= 0 || errno != ENAMETOOLONG)
1394 separate_pathname(name, buf, &newname);
1395 if (chdir(buf) == 0) {
1396 rval = stat64_path(&newname, sbuf);
1399 free_pathname(&newname);
1404 symlink_path(const char *name1, pathname_t *name)
1406 char buf[NAME_MAX + 1];
1410 if (!strcmp(name1, name->path)) {
1411 printf("yikes! %s %s\n", name1, name->path);
1415 rval = symlink(name1, name->path);
1416 if (rval >= 0 || errno != ENAMETOOLONG)
1418 separate_pathname(name, buf, &newname);
1419 if (chdir(buf) == 0) {
1420 rval = symlink_path(name1, &newname);
1423 free_pathname(&newname);
1428 truncate64_path(pathname_t *name, off64_t length)
1430 char buf[NAME_MAX + 1];
1434 rval = truncate64(name->path, length);
1435 if (rval >= 0 || errno != ENAMETOOLONG)
1437 separate_pathname(name, buf, &newname);
1438 if (chdir(buf) == 0) {
1439 rval = truncate64_path(&newname, length);
1442 free_pathname(&newname);
1447 unlink_path(pathname_t *name)
1449 char buf[NAME_MAX + 1];
1453 rval = unlink(name->path);
1454 if (rval >= 0 || errno != ENAMETOOLONG)
1456 separate_pathname(name, buf, &newname);
1457 if (chdir(buf) == 0) {
1458 rval = unlink_path(&newname);
1461 free_pathname(&newname);
1468 printf("Usage: %s -H or\n", myprog);
1469 printf(" %s [-d dir][-e errtg][-f op_name=freq][-n nops]\n",
1471 printf(" [-p nproc][-r len][-s seed][-v][-w][-z][-S]\n");
1473 printf(" -d dir specifies the base directory for operations\n");
1474 printf(" -e errtg specifies error injection stuff\n");
1475 printf(" -f op_name=freq changes the frequency of option name to freq\n");
1476 printf(" the valid operation names are:\n");
1477 printf(" -i filenum get verbose output for this nth file object\n");
1479 printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
1480 printf(" -n nops specifies the no. of operations per process (default 1)\n");
1481 printf(" -p nproc specifies the no. of processes (default 1)\n");
1482 printf(" -r specifies random name padding\n");
1483 printf(" -s seed specifies the seed for the random generator (default random)\n");
1484 printf(" -v specifies verbose mode\n");
1485 printf(" -w zeros frequencies of non-write operations\n");
1486 printf(" -z zeros frequencies of all operations\n");
1487 printf(" -S [c,t] prints the list of operations (omitting zero frequency) in command line or table style\n");
1488 printf(" -H prints usage and exits\n");
1496 for (p = ops; p < ops_end; p++) {
1507 for (p = ops; p < ops_end; p++)
1511 void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
1514 snprintf(str, sz, "[%ld %ld %d %d %lld %lld]", (long)s->st_ino,
1515 (long)s->st_nlink, s->st_uid, s->st_gid,
1516 (long long) s->st_blocks, (long long) s->st_size);
1520 allocsp_f(int opno, long r)
1525 struct xfs_flock64 fl;
1533 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1535 printf("%d/%d: allocsp - no filename\n", procid, opno);
1539 fd = open_path(&f, O_RDWR);
1540 e = fd < 0 ? errno : 0;
1544 printf("%d/%d: allocsp - open %s failed %d\n",
1545 procid, opno, f.path, e);
1549 if (fstat64(fd, &stb) < 0) {
1551 printf("%d/%d: allocsp - fstat64 %s failed %d\n",
1552 procid, opno, f.path, errno);
1557 inode_info(st, sizeof(st), &stb, v);
1558 lr = ((__int64_t)random() << 32) + random();
1559 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1561 fl.l_whence = SEEK_SET;
1564 e = xfsctl(f.path, fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
1566 printf("%d/%d: xfsctl(XFS_IOC_ALLOCSP64) %s%s %lld 0 %d\n",
1567 procid, opno, f.path, st, (long long)off, e);
1574 attr_remove_f(int opno, long r)
1576 attrlist_ent_t *aep;
1580 attrlist_cursor_t cursor;
1589 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1590 append_pathname(&f, ".");
1592 bzero(&cursor, sizeof(cursor));
1594 bzero(buf, sizeof(buf));
1595 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1599 alist = (attrlist_t *)buf;
1600 total += alist->al_count;
1601 } while (alist->al_more);
1604 printf("%d/%d: attr_remove - no attrs for %s\n",
1605 procid, opno, f.path);
1609 which = (int)(random() % total);
1610 bzero(&cursor, sizeof(cursor));
1614 bzero(buf, sizeof(buf));
1615 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1619 alist = (attrlist_t *)buf;
1620 if (which < ent + alist->al_count) {
1621 aep = (attrlist_ent_t *)
1622 &buf[alist->al_offset[which - ent]];
1623 aname = aep->a_name;
1626 ent += alist->al_count;
1627 } while (alist->al_more);
1628 if (aname == NULL) {
1631 "%d/%d: attr_remove - name %d not found at %s\n",
1632 procid, opno, which, f.path);
1636 e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
1639 printf("%d/%d: attr_remove %s %s %d\n",
1640 procid, opno, f.path, aname, e);
1645 attr_set_f(int opno, long r)
1652 static int lengths[] = { 10, 100, 1000, 10000 };
1657 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1658 append_pathname(&f, ".");
1659 sprintf(aname, "a%x", nameseq++);
1660 li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
1661 len = (int)(random() % lengths[li]);
1665 memset(aval, nameseq & 0xff, len);
1666 e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
1671 printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
1677 bulkstat_f(int opno, long r)
1685 xfs_fsop_bulkreq_t bsr;
1688 nent = (r % 999) + 2;
1689 t = malloc(nent * sizeof(*t));
1690 fd = open(".", O_RDONLY);
1698 while (xfsctl(".", fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
1702 printf("%d/%d: bulkstat nent %d total %lld\n",
1703 procid, opno, nent, (long long)total);
1708 bulkstat1_f(int opno, long r)
1718 xfs_fsop_bulkreq_t bsr;
1721 good = random() & 1;
1723 /* use an inode we know exists */
1725 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1726 append_pathname(&f, ".");
1727 ino = stat64_path(&f, &s) < 0 ? (ino64_t)r : s.st_ino;
1732 * pick a random inode
1734 * note this can generate kernel warning messages
1735 * since bulkstat_one will read the disk block that
1736 * would contain a given inode even if that disk
1737 * block doesn't contain inodes.
1739 * this is detected later, but not until after the
1740 * warning is displayed.
1742 * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
1748 fd = open(".", O_RDONLY);
1755 e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
1757 printf("%d/%d: bulkstat1 %s ino %lld %d\n",
1758 procid, opno, good?"real":"random", (long long)ino, e);
1763 chown_f(int opno, long r)
1773 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1774 append_pathname(&f, ".");
1775 u = (uid_t)random();
1776 g = (gid_t)random();
1777 nbits = (int)(random() % idmodulo);
1778 u &= (1 << nbits) - 1;
1779 g &= (1 << nbits) - 1;
1780 e = lchown_path(&f, u, g) < 0 ? errno : 0;
1783 printf("%d/%d: chown %s %d/%d %d\n", procid, opno, f.path, (int)u, (int)g, e);
1788 setxattr_f(int opno, long r)
1790 #ifdef XFS_XFLAG_EXTSIZE
1800 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1801 append_pathname(&f, ".");
1802 fd = open_path(&f, O_RDWR);
1803 e = fd < 0 ? errno : 0;
1808 e = MIN(idmodulo, XFS_PROJIDMODULO_MAX);
1809 nbits = (int)(random() % e);
1810 p &= (1 << nbits) - 1;
1812 if ((e = xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &fsx)) == 0) {
1814 e = xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &fsx);
1817 printf("%d/%d: setxattr %s %u %d\n", procid, opno, f.path, p, e);
1824 creat_f(int opno, long r)
1839 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
1844 e1 = (random() % 100);
1845 type = rtpct ? ((e1 > rtpct) ? FT_REG : FT_RTF) : FT_REG;
1847 if (type == FT_RTF) /* rt always gets an extsize */
1848 extsize = (random() % 10) + 1;
1849 else if (e1 < 10) /* one-in-ten get an extsize */
1850 extsize = random() % 1024;
1854 e = generate_fname(fep, type, &f, &id, &v);
1858 (void)fent_to_name(&f, &flist[FT_DIR], fep);
1859 printf("%d/%d: creat - no filename from %s\n",
1860 procid, opno, f.path);
1865 fd = creat_path(&f, 0666);
1866 e = fd < 0 ? errno : 0;
1871 xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
1872 if (type == FT_RTF) {
1873 a.fsx_xflags |= XFS_XFLAG_REALTIME;
1874 a.fsx_extsize = extsize *
1875 geom.rtextsize * geom.blocksize;
1877 } else if (extsize) {
1878 a.fsx_xflags |= XFS_XFLAG_EXTSIZE;
1879 a.fsx_extsize = extsize * geom.blocksize;
1882 if (xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &a) < 0)
1885 add_to_flist(type, id, parid);
1889 printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
1890 extsize ? a.fsx_extsize : 0, e, e1);
1891 printf("%d/%d: creat add id=%d,parent=%d\n", procid, opno, id, parid);
1897 dread_f(int opno, long r)
1901 struct dioattr diob;
1913 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1915 printf("%d/%d: dread - no filename\n", procid, opno);
1919 fd = open_path(&f, O_RDONLY|O_DIRECT);
1920 e = fd < 0 ? errno : 0;
1924 printf("%d/%d: dread - open %s failed %d\n",
1925 procid, opno, f.path, e);
1929 if (fstat64(fd, &stb) < 0) {
1931 printf("%d/%d: dread - fstat64 %s failed %d\n",
1932 procid, opno, f.path, errno);
1937 inode_info(st, sizeof(st), &stb, v);
1938 if (stb.st_size == 0) {
1940 printf("%d/%d: dread - %s%s zero size\n", procid, opno,
1946 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1949 "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s%s failed %d\n",
1950 procid, opno, f.path, st, errno);
1955 align = (__int64_t)diob.d_miniosz;
1956 lr = ((__int64_t)random() << 32) + random();
1957 off = (off64_t)(lr % stb.st_size);
1958 off -= (off % align);
1959 lseek64(fd, off, SEEK_SET);
1960 len = (random() % FILELEN_MAX) + 1;
1961 len -= (len % align);
1964 else if (len > diob.d_maxiosz)
1965 len = diob.d_maxiosz;
1966 buf = memalign(diob.d_mem, len);
1967 e = read(fd, buf, len) < 0 ? errno : 0;
1970 printf("%d/%d: dread %s%s [%lld,%d] %d\n",
1971 procid, opno, f.path, st, (long long)off, (int)len, e);
1977 dwrite_f(int opno, long r)
1981 struct dioattr diob;
1993 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1995 printf("%d/%d: dwrite - no filename\n", procid, opno);
1999 fd = open_path(&f, O_WRONLY|O_DIRECT);
2000 e = fd < 0 ? errno : 0;
2004 printf("%d/%d: dwrite - open %s failed %d\n",
2005 procid, opno, f.path, e);
2009 if (fstat64(fd, &stb) < 0) {
2011 printf("%d/%d: dwrite - fstat64 %s failed %d\n",
2012 procid, opno, f.path, errno);
2017 inode_info(st, sizeof(st), &stb, v);
2018 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
2020 printf("%d/%d: dwrite - xfsctl(XFS_IOC_DIOINFO)"
2021 " %s%s failed %d\n",
2022 procid, opno, f.path, st, errno);
2027 align = (__int64_t)diob.d_miniosz;
2028 lr = ((__int64_t)random() << 32) + random();
2029 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2030 off -= (off % align);
2031 lseek64(fd, off, SEEK_SET);
2032 len = (random() % FILELEN_MAX) + 1;
2033 len -= (len % align);
2036 else if (len > diob.d_maxiosz)
2037 len = diob.d_maxiosz;
2038 buf = memalign(diob.d_mem, len);
2040 lseek64(fd, off, SEEK_SET);
2041 memset(buf, nameseq & 0xff, len);
2042 e = write(fd, buf, len) < 0 ? errno : 0;
2045 printf("%d/%d: dwrite %s%s [%lld,%d] %d\n",
2046 procid, opno, f.path, st, (long long)off, (int)len, e);
2052 fallocate_f(int opno, long r)
2067 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2069 printf("%d/%d: fallocate - no filename\n", procid, opno);
2073 fd = open_path(&f, O_RDWR);
2074 e = fd < 0 ? errno : 0;
2078 printf("%d/%d: fallocate - open %s failed %d\n",
2079 procid, opno, f.path, e);
2083 if (fstat64(fd, &stb) < 0) {
2085 printf("%d/%d: fallocate - fstat64 %s failed %d\n",
2086 procid, opno, f.path, errno);
2091 inode_info(st, sizeof(st), &stb, v);
2092 lr = ((__int64_t)random() << 32) + random();
2093 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2095 len = (off64_t)(random() % (1024 * 1024));
2096 mode |= FALLOC_FL_KEEP_SIZE & random();
2097 e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
2099 printf("%d/%d: fallocate(%d) %s %st %lld %lld %d\n",
2101 f.path, st, (long long)off, (long long)len, e);
2109 fdatasync_f(int opno, long r)
2117 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2119 printf("%d/%d: fdatasync - no filename\n",
2124 fd = open_path(&f, O_WRONLY);
2125 e = fd < 0 ? errno : 0;
2129 printf("%d/%d: fdatasync - open %s failed %d\n",
2130 procid, opno, f.path, e);
2134 e = fdatasync(fd) < 0 ? errno : 0;
2136 printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
2141 fiemap_f(int opno, long r)
2143 #ifdef HAVE_LINUX_FIEMAP_H
2153 struct fiemap *fiemap;
2156 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2158 printf("%d/%d: fiemap - no filename\n", procid, opno);
2162 fd = open_path(&f, O_RDWR);
2163 e = fd < 0 ? errno : 0;
2167 printf("%d/%d: fiemap - open %s failed %d\n",
2168 procid, opno, f.path, e);
2172 if (fstat64(fd, &stb) < 0) {
2174 printf("%d/%d: fiemap - fstat64 %s failed %d\n",
2175 procid, opno, f.path, errno);
2180 inode_info(st, sizeof(st), &stb, v);
2181 blocks_to_map = random() & 0xffff;
2182 fiemap = (struct fiemap *)malloc(sizeof(struct fiemap) +
2183 (blocks_to_map * sizeof(struct fiemap_extent)));
2186 printf("%d/%d: malloc failed \n", procid, opno);
2191 lr = ((__int64_t)random() << 32) + random();
2192 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2194 fiemap->fm_flags = random() & (FIEMAP_FLAGS_COMPAT | 0x10000);
2195 fiemap->fm_extent_count = blocks_to_map;
2196 fiemap->fm_mapped_extents = random() & 0xffff;
2197 fiemap->fm_start = off;
2198 fiemap->fm_length = ((__int64_t)random() << 32) + random();
2200 e = ioctl(fd, FS_IOC_FIEMAP, (unsigned long)fiemap);
2202 printf("%d/%d: ioctl(FIEMAP) %s%s %lld %lld %x %d\n",
2203 procid, opno, f.path, st, (long long)fiemap->fm_start,
2204 (long long) fiemap->fm_length, fiemap->fm_flags, e);
2212 freesp_f(int opno, long r)
2217 struct xfs_flock64 fl;
2225 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2227 printf("%d/%d: freesp - no filename\n", procid, opno);
2231 fd = open_path(&f, O_RDWR);
2232 e = fd < 0 ? errno : 0;
2236 printf("%d/%d: freesp - open %s failed %d\n",
2237 procid, opno, f.path, e);
2241 if (fstat64(fd, &stb) < 0) {
2243 printf("%d/%d: freesp - fstat64 %s failed %d\n",
2244 procid, opno, f.path, errno);
2249 inode_info(st, sizeof(st), &stb, v);
2250 lr = ((__int64_t)random() << 32) + random();
2251 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2253 fl.l_whence = SEEK_SET;
2256 e = xfsctl(f.path, fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
2258 printf("%d/%d: xfsctl(XFS_IOC_FREESP64) %s%s %lld 0 %d\n",
2259 procid, opno, f.path, st, (long long)off, e);
2265 fsync_f(int opno, long r)
2273 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2275 printf("%d/%d: fsync - no filename\n", procid, opno);
2279 fd = open_path(&f, O_WRONLY);
2280 e = fd < 0 ? errno : 0;
2284 printf("%d/%d: fsync - open %s failed %d\n",
2285 procid, opno, f.path, e);
2289 e = fsync(fd) < 0 ? errno : 0;
2291 printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
2297 getattr_f(int opno, long r)
2306 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2307 append_pathname(&f, ".");
2308 fd = open_path(&f, O_RDWR);
2309 e = fd < 0 ? errno : 0;
2312 e = ioctl(fd, FS_IOC_GETFLAGS, &fl);
2314 printf("%d/%d: getattr %s %u %d\n", procid, opno, f.path, fl, e);
2320 getdents_f(int opno, long r)
2327 if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
2328 append_pathname(&f, ".");
2329 dir = opendir_path(&f);
2333 printf("%d/%d: getdents - can't open %s\n",
2334 procid, opno, f.path);
2338 while (readdir64(dir) != NULL)
2341 printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
2347 link_f(int opno, long r)
2360 if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
2362 printf("%d/%d: link - no file\n", procid, opno);
2366 if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
2372 e = generate_fname(fep, flp - flist, &l, &id, &v1);
2376 (void)fent_to_name(&l, &flist[FT_DIR], fep);
2377 printf("%d/%d: link - no filename from %s\n",
2378 procid, opno, l.path);
2384 e = link_path(&f, &l) < 0 ? errno : 0;
2387 add_to_flist(flp - flist, id, parid);
2389 printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
2391 printf("%d/%d: link add id=%d,parent=%d\n", procid, opno, id, parid);
2398 mkdir_f(int opno, long r)
2408 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2413 e = generate_fname(fep, FT_DIR, &f, &id, &v1);
2417 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2418 printf("%d/%d: mkdir - no filename from %s\n",
2419 procid, opno, f.path);
2424 e = mkdir_path(&f, 0777) < 0 ? errno : 0;
2427 add_to_flist(FT_DIR, id, parid);
2429 printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
2430 printf("%d/%d: mkdir add id=%d,parent=%d\n", procid, opno, id, parid);
2436 mknod_f(int opno, long r)
2446 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2451 e = generate_fname(fep, FT_DEV, &f, &id, &v1);
2455 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2456 printf("%d/%d: mknod - no filename from %s\n",
2457 procid, opno, f.path);
2462 e = mknod_path(&f, S_IFCHR|0444, 0) < 0 ? errno : 0;
2465 add_to_flist(FT_DEV, id, parid);
2467 printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
2468 printf("%d/%d: mknod add id=%d,parent=%d\n", procid, opno, id, parid);
2474 punch_f(int opno, long r)
2486 int mode = FALLOC_FL_PUNCH_HOLE;
2489 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2491 printf("%d/%d: punch hole - no filename\n", procid, opno);
2495 fd = open_path(&f, O_RDWR);
2496 e = fd < 0 ? errno : 0;
2500 printf("%d/%d: punch hole - open %s failed %d\n",
2501 procid, opno, f.path, e);
2505 if (fstat64(fd, &stb) < 0) {
2507 printf("%d/%d: punch hole - fstat64 %s failed %d\n",
2508 procid, opno, f.path, errno);
2513 inode_info(st, sizeof(st), &stb, v);
2514 lr = ((__int64_t)random() << 32) + random();
2515 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2517 len = (off64_t)(random() % (1024 * 1024));
2518 mode |= FALLOC_FL_KEEP_SIZE & random();
2519 e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
2521 printf("%d/%d: punch hole(%d) %s %s %lld %lld %d\n",
2523 f.path, st, (long long)off, (long long)len, e);
2530 read_f(int opno, long r)
2544 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2546 printf("%d/%d: read - no filename\n", procid, opno);
2550 fd = open_path(&f, O_RDONLY);
2551 e = fd < 0 ? errno : 0;
2555 printf("%d/%d: read - open %s failed %d\n",
2556 procid, opno, f.path, e);
2560 if (fstat64(fd, &stb) < 0) {
2562 printf("%d/%d: read - fstat64 %s failed %d\n",
2563 procid, opno, f.path, errno);
2568 inode_info(st, sizeof(st), &stb, v);
2569 if (stb.st_size == 0) {
2571 printf("%d/%d: read - %s%s zero size\n", procid, opno,
2577 lr = ((__int64_t)random() << 32) + random();
2578 off = (off64_t)(lr % stb.st_size);
2579 lseek64(fd, off, SEEK_SET);
2580 len = (random() % FILELEN_MAX) + 1;
2582 e = read(fd, buf, len) < 0 ? errno : 0;
2585 printf("%d/%d: read %s%s [%lld,%d] %d\n",
2586 procid, opno, f.path, st, (long long)off, (int)len, e);
2592 readlink_f(int opno, long r)
2600 if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
2602 printf("%d/%d: readlink - no filename\n", procid, opno);
2606 e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
2609 printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
2614 rename_f(int opno, long r)
2628 /* get an existing path for the source of the rename */
2630 if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
2632 printf("%d/%d: rename - no filename\n", procid, opno);
2637 /* get an existing directory for the destination parent directory name */
2638 if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
2644 /* generate a new path using an existing parent directory in name */
2645 init_pathname(&newf);
2646 e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
2650 (void)fent_to_name(&f, &flist[FT_DIR], dfep);
2651 printf("%d/%d: rename - no filename from %s\n",
2652 procid, opno, f.path);
2654 free_pathname(&newf);
2658 e = rename_path(&f, &newf) < 0 ? errno : 0;
2661 if (flp - flist == FT_DIR) {
2663 fix_parent(oldid, id);
2665 del_from_flist(flp - flist, fep - flp->fents);
2666 add_to_flist(flp - flist, id, parid);
2669 printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
2672 printf("%d/%d: rename del entry: id=%d,parent=%d\n",
2673 procid, opno, fep->id, fep->parent);
2674 printf("%d/%d: rename add entry: id=%d,parent=%d\n",
2675 procid, opno, id, parid);
2678 free_pathname(&newf);
2683 resvsp_f(int opno, long r)
2688 struct xfs_flock64 fl;
2696 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2698 printf("%d/%d: resvsp - no filename\n", procid, opno);
2702 fd = open_path(&f, O_RDWR);
2703 e = fd < 0 ? errno : 0;
2707 printf("%d/%d: resvsp - open %s failed %d\n",
2708 procid, opno, f.path, e);
2712 if (fstat64(fd, &stb) < 0) {
2714 printf("%d/%d: resvsp - fstat64 %s failed %d\n",
2715 procid, opno, f.path, errno);
2720 inode_info(st, sizeof(st), &stb, v);
2721 lr = ((__int64_t)random() << 32) + random();
2722 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2724 fl.l_whence = SEEK_SET;
2726 fl.l_len = (off64_t)(random() % (1024 * 1024));
2727 e = xfsctl(f.path, fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
2729 printf("%d/%d: xfsctl(XFS_IOC_RESVSP64) %s%s %lld %lld %d\n",
2730 procid, opno, f.path, st,
2731 (long long)off, (long long)fl.l_len, e);
2737 rmdir_f(int opno, long r)
2745 if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
2747 printf("%d/%d: rmdir - no directory\n", procid, opno);
2751 e = rmdir_path(&f) < 0 ? errno : 0;
2754 del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
2756 printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
2758 printf("%d/%d: rmdir del entry: id=%d,parent=%d\n",
2759 procid, opno, fep->id, fep->parent);
2765 setattr_f(int opno, long r)
2774 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2775 append_pathname(&f, ".");
2776 fd = open_path(&f, O_RDWR);
2777 e = fd < 0 ? errno : 0;
2780 fl = attr_mask & (uint)random();
2781 e = ioctl(fd, FS_IOC_SETFLAGS, &fl);
2783 printf("%d/%d: setattr %s %x %d\n", procid, opno, f.path, fl, e);
2789 stat_f(int opno, long r)
2797 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
2799 printf("%d/%d: stat - no entries\n", procid, opno);
2803 e = lstat64_path(&f, &stb) < 0 ? errno : 0;
2806 printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
2811 symlink_f(int opno, long r)
2824 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2829 e = generate_fname(fep, FT_SYM, &f, &id, &v1);
2833 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2834 printf("%d/%d: symlink - no filename from %s\n",
2835 procid, opno, f.path);
2840 len = (int)(random() % PATH_MAX);
2841 val = malloc(len + 1);
2843 memset(val, 'x', len);
2845 for (i = 10; i < len - 1; i += 10)
2847 e = symlink_path(val, &f) < 0 ? errno : 0;
2850 add_to_flist(FT_SYM, id, parid);
2853 printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
2854 printf("%d/%d: symlink add id=%d,parent=%d\n", procid, opno, id, parid);
2861 sync_f(int opno, long r)
2865 printf("%d/%d: sync\n", procid, opno);
2869 truncate_f(int opno, long r)
2880 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2882 printf("%d/%d: truncate - no filename\n", procid, opno);
2886 e = stat64_path(&f, &stb) < 0 ? errno : 0;
2890 printf("%d/%d: truncate - stat64 %s failed %d\n",
2891 procid, opno, f.path, e);
2895 inode_info(st, sizeof(st), &stb, v);
2896 lr = ((__int64_t)random() << 32) + random();
2897 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2899 e = truncate64_path(&f, off) < 0 ? errno : 0;
2902 printf("%d/%d: truncate %s%s %lld %d\n", procid, opno, f.path,
2903 st, (long long)off, e);
2908 unlink_f(int opno, long r)
2917 if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
2919 printf("%d/%d: unlink - no file\n", procid, opno);
2923 e = unlink_path(&f) < 0 ? errno : 0;
2926 del_from_flist(flp - flist, fep - flp->fents);
2928 printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
2930 printf("%d/%d: unlink del entry: id=%d,parent=%d\n",
2931 procid, opno, fep->id, fep->parent);
2937 unresvsp_f(int opno, long r)
2942 struct xfs_flock64 fl;
2950 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2952 printf("%d/%d: unresvsp - no filename\n", procid, opno);
2956 fd = open_path(&f, O_RDWR);
2957 e = fd < 0 ? errno : 0;
2961 printf("%d/%d: unresvsp - open %s failed %d\n",
2962 procid, opno, f.path, e);
2966 if (fstat64(fd, &stb) < 0) {
2968 printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
2969 procid, opno, f.path, errno);
2974 inode_info(st, sizeof(st), &stb, v);
2975 lr = ((__int64_t)random() << 32) + random();
2976 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2978 fl.l_whence = SEEK_SET;
2980 fl.l_len = (off64_t)(random() % (1 << 20));
2981 e = xfsctl(f.path, fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
2983 printf("%d/%d: xfsctl(XFS_IOC_UNRESVSP64) %s%s %lld %lld %d\n",
2984 procid, opno, f.path, st,
2985 (long long)off, (long long)fl.l_len, e);
2991 write_f(int opno, long r)
3005 if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
3007 printf("%d/%d: write - no filename\n", procid, opno);
3011 fd = open_path(&f, O_WRONLY);
3012 e = fd < 0 ? errno : 0;
3016 printf("%d/%d: write - open %s failed %d\n",
3017 procid, opno, f.path, e);
3021 if (fstat64(fd, &stb) < 0) {
3023 printf("%d/%d: write - fstat64 %s failed %d\n",
3024 procid, opno, f.path, errno);
3029 inode_info(st, sizeof(st), &stb, v);
3030 lr = ((__int64_t)random() << 32) + random();
3031 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3033 lseek64(fd, off, SEEK_SET);
3034 len = (random() % FILELEN_MAX) + 1;
3036 memset(buf, nameseq & 0xff, len);
3037 e = write(fd, buf, len) < 0 ? errno : 0;
3040 printf("%d/%d: write %s%s [%lld,%d] %d\n",
3041 procid, opno, f.path, st, (long long)off, (int)len, e);