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_ALLOCSP, "allocsp", allocsp_f, 1, 1 },
182 { OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1 },
183 { OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1 },
184 { OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0 },
185 { OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0 },
186 { OP_CHOWN, "chown", chown_f, 3, 1 },
187 { OP_CREAT, "creat", creat_f, 4, 1 },
188 { OP_DREAD, "dread", dread_f, 4, 0 },
189 { OP_DWRITE, "dwrite", dwrite_f, 4, 1 },
190 { OP_FALLOCATE, "fallocate", fallocate_f, 1, 1 },
191 { OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1 },
192 { OP_FIEMAP, "fiemap", fiemap_f, 1, 1 },
193 { OP_FREESP, "freesp", freesp_f, 1, 1 },
194 { OP_FSYNC, "fsync", fsync_f, 1, 1 },
195 { OP_GETATTR, "getattr", getattr_f, 1, 0 },
196 { OP_GETDENTS, "getdents", getdents_f, 1, 0 },
197 { OP_LINK, "link", link_f, 1, 1 },
198 { OP_MKDIR, "mkdir", mkdir_f, 2, 1 },
199 { OP_MKNOD, "mknod", mknod_f, 2, 1 },
200 { OP_PUNCH, "punch", punch_f, 1, 1 },
201 { OP_READ, "read", read_f, 1, 0 },
202 { OP_READLINK, "readlink", readlink_f, 1, 0 },
203 { OP_RENAME, "rename", rename_f, 2, 1 },
204 { OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
205 { OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
206 { OP_SETATTR, "setattr", setattr_f, 0, 1 },
207 { OP_SETXATTR, "setxattr", setxattr_f, 1, 1 },
208 { OP_STAT, "stat", stat_f, 1, 0 },
209 { OP_SYMLINK, "symlink", symlink_f, 2, 1 },
210 { OP_SYNC, "sync", sync_f, 1, 0 },
211 { OP_TRUNCATE, "truncate", truncate_f, 2, 1 },
212 { OP_UNLINK, "unlink", unlink_f, 1, 1 },
213 { OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
214 { OP_WRITE, "write", write_f, 4, 1 },
217 flist_t flist[FT_nft] = {
230 xfs_fsop_geom_t geom;
241 unsigned int idmodulo = XFS_IDMODULO_MAX;
242 unsigned int attr_mask = ~0;
245 unsigned long seed = 0;
248 sig_atomic_t should_stop = 0;
250 void add_to_flist(int, int, int);
251 void append_pathname(pathname_t *, char *);
252 int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
253 int attr_remove_path(pathname_t *, const char *, int);
254 int attr_set_path(pathname_t *, const char *, const char *, const int, int);
255 void check_cwd(void);
256 int creat_path(pathname_t *, mode_t);
257 void dcache_enter(int, int);
258 void dcache_init(void);
259 fent_t *dcache_lookup(int);
260 void dcache_purge(int);
261 void del_from_flist(int, int);
262 int dirid_to_name(char *, int);
264 int fent_to_name(pathname_t *, flist_t *, fent_t *);
265 void fix_parent(int, int);
266 void free_pathname(pathname_t *);
267 int generate_fname(fent_t *, int, pathname_t *, int *, int *);
268 int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
269 void init_pathname(pathname_t *);
270 int lchown_path(pathname_t *, uid_t, gid_t);
271 int link_path(pathname_t *, pathname_t *);
272 int lstat64_path(pathname_t *, struct stat64 *);
273 void make_freq_table(void);
274 int mkdir_path(pathname_t *, mode_t);
275 int mknod_path(pathname_t *, mode_t, dev_t);
276 void namerandpad(int, char *, int);
277 int open_path(pathname_t *, int);
278 DIR *opendir_path(pathname_t *);
279 void process_freq(char *);
280 int readlink_path(pathname_t *, char *, size_t);
281 int rename_path(pathname_t *, pathname_t *);
282 int rmdir_path(pathname_t *);
283 void separate_pathname(pathname_t *, char *, pathname_t *);
284 void show_ops(int, char *);
285 int stat64_path(pathname_t *, struct stat64 *);
286 int symlink_path(const char *, pathname_t *);
287 int truncate64_path(pathname_t *, off64_t);
288 int unlink_path(pathname_t *);
290 void write_freq(void);
291 void zero_freq(void);
293 void sg_handler(int signum)
298 int main(int argc, char **argv)
302 char *dirname = NULL;
303 char *logname = NULL;
304 char rpath[PATH_MAX];
313 xfs_error_injection_t err_inj;
314 struct sigaction action;
316 errrange = errtag = 0;
318 nops = sizeof(ops) / sizeof(ops[0]);
319 ops_end = &ops[nops];
321 while ((c = getopt(argc, argv, "d:e:f:i:m:M:n:o:p:rs:S:vwzH")) != -1) {
327 sscanf(optarg, "%d", &errtag);
331 } else if (errtag == 0)
333 if (errtag >= XFS_ERRTAG_MAX) {
335 "error tag %d too large (max %d)\n",
336 errtag, XFS_ERRTAG_MAX - 1);
341 process_freq(optarg);
344 ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
345 ilist[ilistlen - 1] = strtol(optarg, &p, 16);
348 idmodulo = strtoul(optarg, NULL, 0);
349 if (idmodulo > XFS_IDMODULO_MAX) {
351 "chown modulo %d too big (max %d)\n",
352 idmodulo, XFS_IDMODULO_MAX);
357 operations = atoi(optarg);
364 nproc = atoi(optarg);
370 seed = strtoul(optarg, NULL, 0);
382 attr_mask = strtoul(optarg, NULL, 0);
386 if (optarg[0] == 'c')
393 fprintf(stderr, "%s - invalid parameters\n",
403 /* no directory specified */
404 if (!nousage) usage();
408 (void)mkdir(dirname, 0777);
409 if (logname && logname[0] != '/') {
410 if (getcwd(rpath, sizeof(rpath)) < 0){
411 perror("getcwd failed");
417 if (chdir(dirname) < 0) {
423 snprintf(path, sizeof(path), "%s/%s", rpath, logname);
424 if (freopen(path, "a", stdout) == NULL) {
425 perror("freopen logfile failed");
429 sprintf(buf, "fss%x", (unsigned int)getpid());
430 fd = creat(buf, 0666);
431 if (lseek64(fd, (off64_t)(MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
432 maxfsize = (off64_t)MAXFSIZE32;
434 maxfsize = (off64_t)MAXFSIZE;
439 gettimeofday(&t, (void *)NULL);
440 seed = (int)t.tv_sec ^ (int)t.tv_usec;
441 printf("seed = %ld\n", seed);
443 i = xfsctl(buf, fd, XFS_IOC_FSGEOMETRY, &geom);
444 if (i >= 0 && geom.rtblocks)
445 rtpct = MIN(MAX(geom.rtblocks * 100 /
446 (geom.rtblocks + geom.datablocks), 1), 99);
455 for (i = 0; i < j; i++)
458 errtag = (random() % (XFS_ERRTAG_MAX-1)) + 1;
464 for (i = 0; i < j; i++)
467 errtag += (random() % (XFS_ERRTAG_MAX - errtag));
469 printf("Injecting failure on tag #%d\n", errtag);
470 err_inj.errtag = errtag;
472 srval = xfsctl(buf, fd, XFS_IOC_ERROR_INJECTION, &err_inj);
474 perror("fsstress - XFS_SYSSGI error injection call");
483 action.sa_handler = sg_handler;
484 sigemptyset(&action.sa_mask);
486 if (sigaction(SIGTERM, &action, 0)) {
487 perror("sigaction failed");
491 for (i = 0; i < nproc; i++) {
493 action.sa_handler = SIG_DFL;
494 sigemptyset(&action.sa_mask);
495 if (sigaction(SIGTERM, &action, 0))
497 #ifdef HAVE_SYS_PRCTL_H
498 prctl(PR_SET_PDEATHSIG, SIGKILL);
499 if (getppid() == 1) /* parent died already? */
504 snprintf(path, sizeof(path), "%s/%s.%d",
506 if (freopen(path, "a", stdout) == NULL) {
507 perror("freopen logfile failed");
516 while (wait(&stat) > 0 && !should_stop) {
519 action.sa_flags = SA_RESTART;
520 sigaction(SIGTERM, &action, 0);
521 kill(-getpid(), SIGTERM);
522 while (wait(&stat) > 0)
528 srval = xfsctl(buf, fd, XFS_IOC_ERROR_CLEARALL, &err_inj);
530 fprintf(stderr, "Bad ej clear on %s fd=%d (%d).\n",
532 perror("xfsctl(XFS_IOC_ERROR_CLEARALL)");
544 add_to_flist(int ft, int id, int parent)
550 if (ftp->nfiles == ftp->nslots) {
551 ftp->nslots += FLIST_SLOT_INCR;
552 ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
554 fep = &ftp->fents[ftp->nfiles++];
556 fep->parent = parent;
560 append_pathname(pathname_t *name, char *str)
566 /* attempting to append to a dir a zero length path */
567 if (len && *str == '/' && name->len == 0) {
568 fprintf(stderr, "fsstress: append_pathname failure\n");
574 name->path = realloc(name->path, name->len + 1 + len);
575 strcpy(&name->path[name->len], str);
580 attr_list_path(pathname_t *name,
582 const int buffersize,
584 attrlist_cursor_t *cursor)
586 char buf[NAME_MAX + 1];
590 if (flags != ATTR_DONTFOLLOW) {
595 rval = attr_list(name->path, buffer, buffersize, flags, cursor);
596 if (rval >= 0 || errno != ENAMETOOLONG)
598 separate_pathname(name, buf, &newname);
599 if (chdir(buf) == 0) {
600 rval = attr_list_path(&newname, buffer, buffersize, flags, cursor);
603 free_pathname(&newname);
608 attr_remove_path(pathname_t *name, const char *attrname, int flags)
610 char buf[NAME_MAX + 1];
614 rval = attr_remove(name->path, attrname, flags);
615 if (rval >= 0 || errno != ENAMETOOLONG)
617 separate_pathname(name, buf, &newname);
618 if (chdir(buf) == 0) {
619 rval = attr_remove_path(&newname, attrname, flags);
622 free_pathname(&newname);
627 attr_set_path(pathname_t *name, const char *attrname, const char *attrvalue,
628 const int valuelength, int flags)
630 char buf[NAME_MAX + 1];
634 rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
635 if (rval >= 0 || errno != ENAMETOOLONG)
637 separate_pathname(name, buf, &newname);
638 if (chdir(buf) == 0) {
639 rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
643 free_pathname(&newname);
651 struct stat64 statbuf;
653 if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
656 fprintf(stderr, "fsstress: check_cwd failure\n");
663 creat_path(pathname_t *name, mode_t mode)
665 char buf[NAME_MAX + 1];
669 rval = creat(name->path, mode);
670 if (rval >= 0 || errno != ENAMETOOLONG)
672 separate_pathname(name, buf, &newname);
673 if (chdir(buf) == 0) {
674 rval = creat_path(&newname, mode);
677 free_pathname(&newname);
682 dcache_enter(int dirid, int slot)
684 dcache[dirid % NDCACHE] = slot;
692 for (i = 0; i < NDCACHE; i++)
697 dcache_lookup(int dirid)
702 i = dcache[dirid % NDCACHE];
703 if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
709 dcache_purge(int dirid)
713 dcp = &dcache[dirid % NDCACHE];
714 if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
719 * Delete the item from the list by
720 * moving last entry over the deleted one;
721 * unless deleted entry is the last one.
722 * Input: which file list array and which slot in array
725 del_from_flist(int ft, int slot)
731 dcache_purge(ftp->fents[slot].id);
732 if (slot != ftp->nfiles - 1) {
734 dcache_purge(ftp->fents[ftp->nfiles - 1].id);
735 ftp->fents[slot] = ftp->fents[--ftp->nfiles];
741 dirid_to_fent(int dirid)
747 if ((fep = dcache_lookup(dirid)))
749 flp = &flist[FT_DIR];
750 for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
751 if (fep->id == dirid) {
752 dcache_enter(dirid, fep - flp->fents);
762 struct stat64 statbuf;
768 sprintf(buf, "p%x", procid);
769 (void)mkdir(buf, 0777);
770 if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
774 top_ino = statbuf.st_ino;
775 homedir = getcwd(NULL, -1);
780 for (opno = 0; opno < operations; opno++) {
781 p = &ops[freq_table[random() % freq_table_size]];
782 p->func(opno, random());
784 * test for forced shutdown by stat'ing the test
785 * directory. If this stat returns EIO, assume
786 * the forced shutdown happened.
788 if (errtag != 0 && opno % 100 == 0) {
789 rval = stat64(".", &statbuf);
791 fprintf(stderr, "Detected EIO\n");
799 * build up a pathname going thru the file entry and all
801 * Return 0 on error, 1 on success;
804 fent_to_name(pathname_t *name, flist_t *flp, fent_t *fep)
806 char buf[NAME_MAX + 1];
814 /* build up parent directory name */
815 if (fep->parent != -1) {
816 pfep = dirid_to_fent(fep->parent);
819 fprintf(stderr, "%d: fent-id = %d: can't find parent id: %d\n",
820 procid, fep->id, fep->parent);
825 e = fent_to_name(name, &flist[FT_DIR], pfep);
828 append_pathname(name, "/");
831 i = sprintf(buf, "%c%x", flp->tag, fep->id);
832 namerandpad(fep->id, buf, i);
833 append_pathname(name, buf);
838 fix_parent(int oldid, int newid)
845 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
846 for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
847 if (fep->parent == oldid)
854 free_pathname(pathname_t *name)
864 * Generate a filename of type ft.
865 * If we have a fep which should be a directory then use it
866 * as the parent path for this new filename i.e. prepend with it.
869 generate_fname(fent_t *fep, int ft, pathname_t *name, int *idp, int *v)
871 char buf[NAME_MAX + 1];
880 len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
881 namerandpad(id, buf, len);
883 /* prepend fep parent dir-name to it */
885 e = fent_to_name(name, &flist[FT_DIR], fep);
888 append_pathname(name, "/");
890 append_pathname(name, buf);
894 for (j = 0; !*v && j < ilistlen; j++) {
895 if (ilist[j] == id) {
905 * Input: "which" to choose the file-types eg. non-directory
906 * Input: "r" to choose which file
907 * Output: file-list, file-entry, name for the chosen file.
908 * Output: verbose if chosen file is on the ilist.
911 get_fname(int which, long r, pathname_t *name, flist_t **flpp, fent_t **fepp,
914 int totalsum = 0; /* total number of matching files */
915 int partialsum = 0; /* partial sum of matching files */
921 int e = 1; /* success */
924 * go thru flist and add up number of files for each
925 * category that matches with <which>.
927 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
928 if (which & (1 << i))
929 totalsum += flp->nfiles;
941 * Now we have possible matches between 0..totalsum-1.
942 * And we use r to help us choose which one we want,
943 * which when bounded by totalsum becomes x.
945 x = (int)(r % totalsum);
946 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
947 if (which & (1 << i)) {
948 if (x < partialsum + flp->nfiles) {
950 /* found the matching file entry */
951 fep = &flp->fents[x - partialsum];
953 /* fill-in what we were asked for */
955 e = fent_to_name(name, flp, fep);
958 fprintf(stderr, "%d: failed to get path for entry:"
959 " id=%d,parent=%d\n",
960 procid, fep->id, fep->parent);
969 /* turn on verbose if its an ilisted file */
971 for (j = 0; !*v && j < ilistlen; j++) {
972 if (ilist[j] == fep->id) {
979 partialsum += flp->nfiles;
983 fprintf(stderr, "fsstress: get_fname failure\n");
990 init_pathname(pathname_t *name)
997 lchown_path(pathname_t *name, uid_t owner, gid_t group)
999 char buf[NAME_MAX + 1];
1003 rval = lchown(name->path, owner, group);
1004 if (rval >= 0 || errno != ENAMETOOLONG)
1006 separate_pathname(name, buf, &newname);
1007 if (chdir(buf) == 0) {
1008 rval = lchown_path(&newname, owner, group);
1011 free_pathname(&newname);
1016 link_path(pathname_t *name1, pathname_t *name2)
1018 char buf1[NAME_MAX + 1];
1019 char buf2[NAME_MAX + 1];
1021 pathname_t newname1;
1022 pathname_t newname2;
1025 rval = link(name1->path, name2->path);
1026 if (rval >= 0 || errno != ENAMETOOLONG)
1028 separate_pathname(name1, buf1, &newname1);
1029 separate_pathname(name2, buf2, &newname2);
1030 if (strcmp(buf1, buf2) == 0) {
1031 if (chdir(buf1) == 0) {
1032 rval = link_path(&newname1, &newname2);
1036 if (strcmp(buf1, "..") == 0)
1038 else if (strcmp(buf2, "..") == 0)
1040 else if (strlen(buf1) == 0)
1042 else if (strlen(buf2) == 0)
1045 down1 = MAX(newname1.len, 3 + name2->len) <=
1046 MAX(3 + name1->len, newname2.len);
1048 free_pathname(&newname2);
1049 append_pathname(&newname2, "../");
1050 append_pathname(&newname2, name2->path);
1051 if (chdir(buf1) == 0) {
1052 rval = link_path(&newname1, &newname2);
1056 free_pathname(&newname1);
1057 append_pathname(&newname1, "../");
1058 append_pathname(&newname1, name1->path);
1059 if (chdir(buf2) == 0) {
1060 rval = link_path(&newname1, &newname2);
1065 free_pathname(&newname1);
1066 free_pathname(&newname2);
1071 lstat64_path(pathname_t *name, struct stat64 *sbuf)
1073 char buf[NAME_MAX + 1];
1077 rval = lstat64(name->path, sbuf);
1078 if (rval >= 0 || errno != ENAMETOOLONG)
1080 separate_pathname(name, buf, &newname);
1081 if (chdir(buf) == 0) {
1082 rval = lstat64_path(&newname, sbuf);
1085 free_pathname(&newname);
1090 make_freq_table(void)
1096 for (p = ops, f = 0; p < ops_end; p++)
1098 freq_table = malloc(f * sizeof(*freq_table));
1099 freq_table_size = f;
1100 for (p = ops, i = 0; p < ops_end; p++) {
1101 for (f = 0; f < p->freq; f++, i++)
1102 freq_table[i] = p->op;
1107 mkdir_path(pathname_t *name, mode_t mode)
1109 char buf[NAME_MAX + 1];
1113 rval = mkdir(name->path, mode);
1114 if (rval >= 0 || errno != ENAMETOOLONG)
1116 separate_pathname(name, buf, &newname);
1117 if (chdir(buf) == 0) {
1118 rval = mkdir_path(&newname, mode);
1121 free_pathname(&newname);
1126 mknod_path(pathname_t *name, mode_t mode, dev_t dev)
1128 char buf[NAME_MAX + 1];
1132 rval = mknod(name->path, mode, dev);
1133 if (rval >= 0 || errno != ENAMETOOLONG)
1135 separate_pathname(name, buf, &newname);
1136 if (chdir(buf) == 0) {
1137 rval = mknod_path(&newname, mode, dev);
1140 free_pathname(&newname);
1145 namerandpad(int id, char *buf, int i)
1148 static int buckets[] =
1149 { 2, 4, 8, 16, 32, 64, 128, NAME_MAX };
1155 bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
1156 padmod = buckets[bucket] + 1 - i;
1159 padlen = (id ^ namerand) % padmod;
1161 memset(&buf[i], 'X', padlen);
1162 buf[i + padlen] = '\0';
1167 open_path(pathname_t *name, int oflag)
1169 char buf[NAME_MAX + 1];
1173 rval = open(name->path, oflag);
1174 if (rval >= 0 || errno != ENAMETOOLONG)
1176 separate_pathname(name, buf, &newname);
1177 if (chdir(buf) == 0) {
1178 rval = open_path(&newname, oflag);
1181 free_pathname(&newname);
1186 opendir_path(pathname_t *name)
1188 char buf[NAME_MAX + 1];
1192 rval = opendir(name->path);
1193 if (rval || errno != ENAMETOOLONG)
1195 separate_pathname(name, buf, &newname);
1196 if (chdir(buf) == 0) {
1197 rval = opendir_path(&newname);
1200 free_pathname(&newname);
1205 process_freq(char *arg)
1210 s = strchr(arg, '=');
1212 fprintf(stderr, "bad argument '%s'\n", arg);
1216 for (p = ops; p < ops_end; p++) {
1217 if (strcmp(arg, p->name) == 0) {
1222 fprintf(stderr, "can't find op type %s for -f\n", arg);
1227 readlink_path(pathname_t *name, char *lbuf, size_t lbufsiz)
1229 char buf[NAME_MAX + 1];
1233 rval = readlink(name->path, lbuf, lbufsiz);
1234 if (rval >= 0 || errno != ENAMETOOLONG)
1236 separate_pathname(name, buf, &newname);
1237 if (chdir(buf) == 0) {
1238 rval = readlink_path(&newname, lbuf, lbufsiz);
1241 free_pathname(&newname);
1246 rename_path(pathname_t *name1, pathname_t *name2)
1248 char buf1[NAME_MAX + 1];
1249 char buf2[NAME_MAX + 1];
1251 pathname_t newname1;
1252 pathname_t newname2;
1255 rval = rename(name1->path, name2->path);
1256 if (rval >= 0 || errno != ENAMETOOLONG)
1258 separate_pathname(name1, buf1, &newname1);
1259 separate_pathname(name2, buf2, &newname2);
1260 if (strcmp(buf1, buf2) == 0) {
1261 if (chdir(buf1) == 0) {
1262 rval = rename_path(&newname1, &newname2);
1266 if (strcmp(buf1, "..") == 0)
1268 else if (strcmp(buf2, "..") == 0)
1270 else if (strlen(buf1) == 0)
1272 else if (strlen(buf2) == 0)
1275 down1 = MAX(newname1.len, 3 + name2->len) <=
1276 MAX(3 + name1->len, newname2.len);
1278 free_pathname(&newname2);
1279 append_pathname(&newname2, "../");
1280 append_pathname(&newname2, name2->path);
1281 if (chdir(buf1) == 0) {
1282 rval = rename_path(&newname1, &newname2);
1286 free_pathname(&newname1);
1287 append_pathname(&newname1, "../");
1288 append_pathname(&newname1, name1->path);
1289 if (chdir(buf2) == 0) {
1290 rval = rename_path(&newname1, &newname2);
1295 free_pathname(&newname1);
1296 free_pathname(&newname2);
1301 rmdir_path(pathname_t *name)
1303 char buf[NAME_MAX + 1];
1307 rval = rmdir(name->path);
1308 if (rval >= 0 || errno != ENAMETOOLONG)
1310 separate_pathname(name, buf, &newname);
1311 if (chdir(buf) == 0) {
1312 rval = rmdir_path(&newname);
1315 free_pathname(&newname);
1320 separate_pathname(pathname_t *name, char *buf, pathname_t *newname)
1324 init_pathname(newname);
1325 slash = strchr(name->path, '/');
1326 if (slash == NULL) {
1331 strcpy(buf, name->path);
1333 append_pathname(newname, slash + 1);
1339 show_ops(int flag, char *lead_str)
1344 /* print in list form */
1347 for (p = ops; p < ops_end; p++) {
1348 if (lead_str != NULL && x+strlen(p->name)>=WIDTH-5)
1349 x=printf("%s%s", (p==ops)?"":"\n", lead_str);
1350 x+=printf("%s ", p->name);
1353 } else if (flag == 0) {
1354 /* Table view style */
1356 for (f = 0, p = ops; p < ops_end; p++)
1362 for (p = ops; p < ops_end; p++) {
1363 if (flag != 0 || p->freq > 0) {
1364 if (lead_str != NULL)
1365 printf("%s", lead_str);
1366 printf("%20s %d/%d %s\n",
1367 p->name, p->freq, f,
1368 (p->iswrite == 0) ? " " : "write op");
1372 /* Command line style */
1373 if (lead_str != NULL)
1374 printf("%s", lead_str);
1375 printf ("-z -s %ld -m %d -n %d -p %d \\\n", seed, idmodulo,
1377 for (p = ops; p < ops_end; p++)
1379 printf("-f %s=%d \\\n",p->name, p->freq);
1384 stat64_path(pathname_t *name, struct stat64 *sbuf)
1386 char buf[NAME_MAX + 1];
1390 rval = stat64(name->path, sbuf);
1391 if (rval >= 0 || errno != ENAMETOOLONG)
1393 separate_pathname(name, buf, &newname);
1394 if (chdir(buf) == 0) {
1395 rval = stat64_path(&newname, sbuf);
1398 free_pathname(&newname);
1403 symlink_path(const char *name1, pathname_t *name)
1405 char buf[NAME_MAX + 1];
1409 if (!strcmp(name1, name->path)) {
1410 printf("yikes! %s %s\n", name1, name->path);
1414 rval = symlink(name1, name->path);
1415 if (rval >= 0 || errno != ENAMETOOLONG)
1417 separate_pathname(name, buf, &newname);
1418 if (chdir(buf) == 0) {
1419 rval = symlink_path(name1, &newname);
1422 free_pathname(&newname);
1427 truncate64_path(pathname_t *name, off64_t length)
1429 char buf[NAME_MAX + 1];
1433 rval = truncate64(name->path, length);
1434 if (rval >= 0 || errno != ENAMETOOLONG)
1436 separate_pathname(name, buf, &newname);
1437 if (chdir(buf) == 0) {
1438 rval = truncate64_path(&newname, length);
1441 free_pathname(&newname);
1446 unlink_path(pathname_t *name)
1448 char buf[NAME_MAX + 1];
1452 rval = unlink(name->path);
1453 if (rval >= 0 || errno != ENAMETOOLONG)
1455 separate_pathname(name, buf, &newname);
1456 if (chdir(buf) == 0) {
1457 rval = unlink_path(&newname);
1460 free_pathname(&newname);
1467 printf("Usage: %s -H or\n", myprog);
1468 printf(" %s [-d dir][-e errtg][-f op_name=freq][-n nops]\n",
1470 printf(" [-p nproc][-r len][-s seed][-v][-w][-z][-S]\n");
1472 printf(" -d dir specifies the base directory for operations\n");
1473 printf(" -e errtg specifies error injection stuff\n");
1474 printf(" -f op_name=freq changes the frequency of option name to freq\n");
1475 printf(" the valid operation names are:\n");
1476 printf(" -i filenum get verbose output for this nth file object\n");
1478 printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
1479 printf(" -n nops specifies the no. of operations per process (default 1)\n");
1480 printf(" -p nproc specifies the no. of processes (default 1)\n");
1481 printf(" -r specifies random name padding\n");
1482 printf(" -s seed specifies the seed for the random generator (default random)\n");
1483 printf(" -v specifies verbose mode\n");
1484 printf(" -w zeros frequencies of non-write operations\n");
1485 printf(" -z zeros frequencies of all operations\n");
1486 printf(" -S [c,t] prints the list of operations (omitting zero frequency) in command line or table style\n");
1487 printf(" -H prints usage and exits\n");
1495 for (p = ops; p < ops_end; p++) {
1506 for (p = ops; p < ops_end; p++)
1510 void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
1513 snprintf(str, sz, "[%ld %ld %d %d %lld %lld]", (long)s->st_ino,
1514 (long)s->st_nlink, s->st_uid, s->st_gid,
1515 (long long) s->st_blocks, (long long) s->st_size);
1519 allocsp_f(int opno, long r)
1524 struct xfs_flock64 fl;
1532 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1534 printf("%d/%d: allocsp - no filename\n", procid, opno);
1538 fd = open_path(&f, O_RDWR);
1539 e = fd < 0 ? errno : 0;
1543 printf("%d/%d: allocsp - open %s failed %d\n",
1544 procid, opno, f.path, e);
1548 if (fstat64(fd, &stb) < 0) {
1550 printf("%d/%d: allocsp - fstat64 %s failed %d\n",
1551 procid, opno, f.path, errno);
1556 inode_info(st, sizeof(st), &stb, v);
1557 lr = ((__int64_t)random() << 32) + random();
1558 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1560 fl.l_whence = SEEK_SET;
1563 e = xfsctl(f.path, fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
1565 printf("%d/%d: xfsctl(XFS_IOC_ALLOCSP64) %s%s %lld 0 %d\n",
1566 procid, opno, f.path, st, (long long)off, e);
1573 attr_remove_f(int opno, long r)
1575 attrlist_ent_t *aep;
1579 attrlist_cursor_t cursor;
1588 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1589 append_pathname(&f, ".");
1591 bzero(&cursor, sizeof(cursor));
1593 bzero(buf, sizeof(buf));
1594 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1598 alist = (attrlist_t *)buf;
1599 total += alist->al_count;
1600 } while (alist->al_more);
1603 printf("%d/%d: attr_remove - no attrs for %s\n",
1604 procid, opno, f.path);
1608 which = (int)(random() % total);
1609 bzero(&cursor, sizeof(cursor));
1613 bzero(buf, sizeof(buf));
1614 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1618 alist = (attrlist_t *)buf;
1619 if (which < ent + alist->al_count) {
1620 aep = (attrlist_ent_t *)
1621 &buf[alist->al_offset[which - ent]];
1622 aname = aep->a_name;
1625 ent += alist->al_count;
1626 } while (alist->al_more);
1627 if (aname == NULL) {
1630 "%d/%d: attr_remove - name %d not found at %s\n",
1631 procid, opno, which, f.path);
1635 e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
1638 printf("%d/%d: attr_remove %s %s %d\n",
1639 procid, opno, f.path, aname, e);
1644 attr_set_f(int opno, long r)
1651 static int lengths[] = { 10, 100, 1000, 10000 };
1656 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1657 append_pathname(&f, ".");
1658 sprintf(aname, "a%x", nameseq++);
1659 li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
1660 len = (int)(random() % lengths[li]);
1664 memset(aval, nameseq & 0xff, len);
1665 e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
1670 printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
1676 bulkstat_f(int opno, long r)
1684 xfs_fsop_bulkreq_t bsr;
1687 nent = (r % 999) + 2;
1688 t = malloc(nent * sizeof(*t));
1689 fd = open(".", O_RDONLY);
1697 while (xfsctl(".", fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
1701 printf("%d/%d: bulkstat nent %d total %lld\n",
1702 procid, opno, nent, (long long)total);
1707 bulkstat1_f(int opno, long r)
1717 xfs_fsop_bulkreq_t bsr;
1720 good = random() & 1;
1722 /* use an inode we know exists */
1724 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1725 append_pathname(&f, ".");
1726 ino = stat64_path(&f, &s) < 0 ? (ino64_t)r : s.st_ino;
1731 * pick a random inode
1733 * note this can generate kernel warning messages
1734 * since bulkstat_one will read the disk block that
1735 * would contain a given inode even if that disk
1736 * block doesn't contain inodes.
1738 * this is detected later, but not until after the
1739 * warning is displayed.
1741 * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
1747 fd = open(".", O_RDONLY);
1754 e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
1756 printf("%d/%d: bulkstat1 %s ino %lld %d\n",
1757 procid, opno, good?"real":"random", (long long)ino, e);
1762 chown_f(int opno, long r)
1772 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1773 append_pathname(&f, ".");
1774 u = (uid_t)random();
1775 g = (gid_t)random();
1776 nbits = (int)(random() % idmodulo);
1777 u &= (1 << nbits) - 1;
1778 g &= (1 << nbits) - 1;
1779 e = lchown_path(&f, u, g) < 0 ? errno : 0;
1782 printf("%d/%d: chown %s %d/%d %d\n", procid, opno, f.path, (int)u, (int)g, e);
1787 setxattr_f(int opno, long r)
1789 #ifdef XFS_XFLAG_EXTSIZE
1799 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1800 append_pathname(&f, ".");
1801 fd = open_path(&f, O_RDWR);
1802 e = fd < 0 ? errno : 0;
1807 e = MIN(idmodulo, XFS_PROJIDMODULO_MAX);
1808 nbits = (int)(random() % e);
1809 p &= (1 << nbits) - 1;
1811 if ((e = xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &fsx)) == 0) {
1813 e = xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &fsx);
1816 printf("%d/%d: setxattr %s %u %d\n", procid, opno, f.path, p, e);
1823 creat_f(int opno, long r)
1838 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
1843 e1 = (random() % 100);
1844 type = rtpct ? ((e1 > rtpct) ? FT_REG : FT_RTF) : FT_REG;
1846 if (type == FT_RTF) /* rt always gets an extsize */
1847 extsize = (random() % 10) + 1;
1848 else if (e1 < 10) /* one-in-ten get an extsize */
1849 extsize = random() % 1024;
1853 e = generate_fname(fep, type, &f, &id, &v);
1857 (void)fent_to_name(&f, &flist[FT_DIR], fep);
1858 printf("%d/%d: creat - no filename from %s\n",
1859 procid, opno, f.path);
1864 fd = creat_path(&f, 0666);
1865 e = fd < 0 ? errno : 0;
1870 xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
1871 if (type == FT_RTF) {
1872 a.fsx_xflags |= XFS_XFLAG_REALTIME;
1873 a.fsx_extsize = extsize *
1874 geom.rtextsize * geom.blocksize;
1876 } else if (extsize) {
1877 a.fsx_xflags |= XFS_XFLAG_EXTSIZE;
1878 a.fsx_extsize = extsize * geom.blocksize;
1881 if (xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &a) < 0)
1884 add_to_flist(type, id, parid);
1888 printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
1889 extsize ? a.fsx_extsize : 0, e, e1);
1890 printf("%d/%d: creat add id=%d,parent=%d\n", procid, opno, id, parid);
1896 dread_f(int opno, long r)
1900 struct dioattr diob;
1912 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1914 printf("%d/%d: dread - no filename\n", procid, opno);
1918 fd = open_path(&f, O_RDONLY|O_DIRECT);
1919 e = fd < 0 ? errno : 0;
1923 printf("%d/%d: dread - open %s failed %d\n",
1924 procid, opno, f.path, e);
1928 if (fstat64(fd, &stb) < 0) {
1930 printf("%d/%d: dread - fstat64 %s failed %d\n",
1931 procid, opno, f.path, errno);
1936 inode_info(st, sizeof(st), &stb, v);
1937 if (stb.st_size == 0) {
1939 printf("%d/%d: dread - %s%s zero size\n", procid, opno,
1945 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1948 "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s%s failed %d\n",
1949 procid, opno, f.path, st, errno);
1954 align = (__int64_t)diob.d_miniosz;
1955 lr = ((__int64_t)random() << 32) + random();
1956 off = (off64_t)(lr % stb.st_size);
1957 off -= (off % align);
1958 lseek64(fd, off, SEEK_SET);
1959 len = (random() % FILELEN_MAX) + 1;
1960 len -= (len % align);
1963 else if (len > diob.d_maxiosz)
1964 len = diob.d_maxiosz;
1965 buf = memalign(diob.d_mem, len);
1966 e = read(fd, buf, len) < 0 ? errno : 0;
1969 printf("%d/%d: dread %s%s [%lld,%d] %d\n",
1970 procid, opno, f.path, st, (long long)off, (int)len, e);
1976 dwrite_f(int opno, long r)
1980 struct dioattr diob;
1992 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1994 printf("%d/%d: dwrite - no filename\n", procid, opno);
1998 fd = open_path(&f, O_WRONLY|O_DIRECT);
1999 e = fd < 0 ? errno : 0;
2003 printf("%d/%d: dwrite - open %s failed %d\n",
2004 procid, opno, f.path, e);
2008 if (fstat64(fd, &stb) < 0) {
2010 printf("%d/%d: dwrite - fstat64 %s failed %d\n",
2011 procid, opno, f.path, errno);
2016 inode_info(st, sizeof(st), &stb, v);
2017 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
2019 printf("%d/%d: dwrite - xfsctl(XFS_IOC_DIOINFO)"
2020 " %s%s failed %d\n",
2021 procid, opno, f.path, st, errno);
2026 align = (__int64_t)diob.d_miniosz;
2027 lr = ((__int64_t)random() << 32) + random();
2028 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2029 off -= (off % align);
2030 lseek64(fd, off, SEEK_SET);
2031 len = (random() % FILELEN_MAX) + 1;
2032 len -= (len % align);
2035 else if (len > diob.d_maxiosz)
2036 len = diob.d_maxiosz;
2037 buf = memalign(diob.d_mem, len);
2039 lseek64(fd, off, SEEK_SET);
2040 memset(buf, nameseq & 0xff, len);
2041 e = write(fd, buf, len) < 0 ? errno : 0;
2044 printf("%d/%d: dwrite %s%s [%lld,%d] %d\n",
2045 procid, opno, f.path, st, (long long)off, (int)len, e);
2051 fallocate_f(int opno, long r)
2066 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2068 printf("%d/%d: fallocate - no filename\n", procid, opno);
2072 fd = open_path(&f, O_RDWR);
2073 e = fd < 0 ? errno : 0;
2077 printf("%d/%d: fallocate - open %s failed %d\n",
2078 procid, opno, f.path, e);
2082 if (fstat64(fd, &stb) < 0) {
2084 printf("%d/%d: fallocate - fstat64 %s failed %d\n",
2085 procid, opno, f.path, errno);
2090 inode_info(st, sizeof(st), &stb, v);
2091 lr = ((__int64_t)random() << 32) + random();
2092 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2094 len = (off64_t)(random() % (1024 * 1024));
2095 mode |= FALLOC_FL_KEEP_SIZE & random();
2096 e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
2098 printf("%d/%d: fallocate(%d) %s %st %lld %lld %d\n",
2100 f.path, st, (long long)off, (long long)len, e);
2108 fdatasync_f(int opno, long r)
2116 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2118 printf("%d/%d: fdatasync - no filename\n",
2123 fd = open_path(&f, O_WRONLY);
2124 e = fd < 0 ? errno : 0;
2128 printf("%d/%d: fdatasync - open %s failed %d\n",
2129 procid, opno, f.path, e);
2133 e = fdatasync(fd) < 0 ? errno : 0;
2135 printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
2140 fiemap_f(int opno, long r)
2142 #ifdef HAVE_LINUX_FIEMAP_H
2152 struct fiemap *fiemap;
2155 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2157 printf("%d/%d: fiemap - no filename\n", procid, opno);
2161 fd = open_path(&f, O_RDWR);
2162 e = fd < 0 ? errno : 0;
2166 printf("%d/%d: fiemap - open %s failed %d\n",
2167 procid, opno, f.path, e);
2171 if (fstat64(fd, &stb) < 0) {
2173 printf("%d/%d: fiemap - fstat64 %s failed %d\n",
2174 procid, opno, f.path, errno);
2179 inode_info(st, sizeof(st), &stb, v);
2180 blocks_to_map = random() & 0xffff;
2181 fiemap = (struct fiemap *)malloc(sizeof(struct fiemap) +
2182 (blocks_to_map * sizeof(struct fiemap_extent)));
2185 printf("%d/%d: malloc failed \n", procid, opno);
2190 lr = ((__int64_t)random() << 32) + random();
2191 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2193 fiemap->fm_flags = random() & (FIEMAP_FLAGS_COMPAT | 0x10000);
2194 fiemap->fm_extent_count = blocks_to_map;
2195 fiemap->fm_mapped_extents = random() & 0xffff;
2196 fiemap->fm_start = off;
2197 fiemap->fm_length = ((__int64_t)random() << 32) + random();
2199 e = ioctl(fd, FS_IOC_FIEMAP, (unsigned long)fiemap);
2201 printf("%d/%d: ioctl(FIEMAP) %s%s %lld %lld %x %d\n",
2202 procid, opno, f.path, st, (long long)fiemap->fm_start,
2203 (long long) fiemap->fm_length, fiemap->fm_flags, e);
2211 freesp_f(int opno, long r)
2216 struct xfs_flock64 fl;
2224 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2226 printf("%d/%d: freesp - no filename\n", procid, opno);
2230 fd = open_path(&f, O_RDWR);
2231 e = fd < 0 ? errno : 0;
2235 printf("%d/%d: freesp - open %s failed %d\n",
2236 procid, opno, f.path, e);
2240 if (fstat64(fd, &stb) < 0) {
2242 printf("%d/%d: freesp - fstat64 %s failed %d\n",
2243 procid, opno, f.path, errno);
2248 inode_info(st, sizeof(st), &stb, v);
2249 lr = ((__int64_t)random() << 32) + random();
2250 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2252 fl.l_whence = SEEK_SET;
2255 e = xfsctl(f.path, fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
2257 printf("%d/%d: xfsctl(XFS_IOC_FREESP64) %s%s %lld 0 %d\n",
2258 procid, opno, f.path, st, (long long)off, e);
2264 fsync_f(int opno, long r)
2272 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2274 printf("%d/%d: fsync - no filename\n", procid, opno);
2278 fd = open_path(&f, O_WRONLY);
2279 e = fd < 0 ? errno : 0;
2283 printf("%d/%d: fsync - open %s failed %d\n",
2284 procid, opno, f.path, e);
2288 e = fsync(fd) < 0 ? errno : 0;
2290 printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
2296 getattr_f(int opno, long r)
2305 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2306 append_pathname(&f, ".");
2307 fd = open_path(&f, O_RDWR);
2308 e = fd < 0 ? errno : 0;
2311 e = ioctl(fd, FS_IOC_GETFLAGS, &fl);
2313 printf("%d/%d: getattr %s %u %d\n", procid, opno, f.path, fl, e);
2319 getdents_f(int opno, long r)
2326 if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
2327 append_pathname(&f, ".");
2328 dir = opendir_path(&f);
2332 printf("%d/%d: getdents - can't open %s\n",
2333 procid, opno, f.path);
2337 while (readdir64(dir) != NULL)
2340 printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
2346 link_f(int opno, long r)
2359 if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
2361 printf("%d/%d: link - no file\n", procid, opno);
2365 if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
2371 e = generate_fname(fep, flp - flist, &l, &id, &v1);
2375 (void)fent_to_name(&l, &flist[FT_DIR], fep);
2376 printf("%d/%d: link - no filename from %s\n",
2377 procid, opno, l.path);
2383 e = link_path(&f, &l) < 0 ? errno : 0;
2386 add_to_flist(flp - flist, id, parid);
2388 printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
2390 printf("%d/%d: link add id=%d,parent=%d\n", procid, opno, id, parid);
2397 mkdir_f(int opno, long r)
2407 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2412 e = generate_fname(fep, FT_DIR, &f, &id, &v1);
2416 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2417 printf("%d/%d: mkdir - no filename from %s\n",
2418 procid, opno, f.path);
2423 e = mkdir_path(&f, 0777) < 0 ? errno : 0;
2426 add_to_flist(FT_DIR, id, parid);
2428 printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
2429 printf("%d/%d: mkdir add id=%d,parent=%d\n", procid, opno, id, parid);
2435 mknod_f(int opno, long r)
2445 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2450 e = generate_fname(fep, FT_DEV, &f, &id, &v1);
2454 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2455 printf("%d/%d: mknod - no filename from %s\n",
2456 procid, opno, f.path);
2461 e = mknod_path(&f, S_IFCHR|0444, 0) < 0 ? errno : 0;
2464 add_to_flist(FT_DEV, id, parid);
2466 printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
2467 printf("%d/%d: mknod add id=%d,parent=%d\n", procid, opno, id, parid);
2473 punch_f(int opno, long r)
2485 int mode = FALLOC_FL_PUNCH_HOLE;
2488 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2490 printf("%d/%d: punch hole - no filename\n", procid, opno);
2494 fd = open_path(&f, O_RDWR);
2495 e = fd < 0 ? errno : 0;
2499 printf("%d/%d: punch hole - open %s failed %d\n",
2500 procid, opno, f.path, e);
2504 if (fstat64(fd, &stb) < 0) {
2506 printf("%d/%d: punch hole - fstat64 %s failed %d\n",
2507 procid, opno, f.path, errno);
2512 inode_info(st, sizeof(st), &stb, v);
2513 lr = ((__int64_t)random() << 32) + random();
2514 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2516 len = (off64_t)(random() % (1024 * 1024));
2517 mode |= FALLOC_FL_KEEP_SIZE & random();
2518 e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
2520 printf("%d/%d: punch hole(%d) %s %s %lld %lld %d\n",
2522 f.path, st, (long long)off, (long long)len, e);
2529 read_f(int opno, long r)
2543 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2545 printf("%d/%d: read - no filename\n", procid, opno);
2549 fd = open_path(&f, O_RDONLY);
2550 e = fd < 0 ? errno : 0;
2554 printf("%d/%d: read - open %s failed %d\n",
2555 procid, opno, f.path, e);
2559 if (fstat64(fd, &stb) < 0) {
2561 printf("%d/%d: read - fstat64 %s failed %d\n",
2562 procid, opno, f.path, errno);
2567 inode_info(st, sizeof(st), &stb, v);
2568 if (stb.st_size == 0) {
2570 printf("%d/%d: read - %s%s zero size\n", procid, opno,
2576 lr = ((__int64_t)random() << 32) + random();
2577 off = (off64_t)(lr % stb.st_size);
2578 lseek64(fd, off, SEEK_SET);
2579 len = (random() % FILELEN_MAX) + 1;
2581 e = read(fd, buf, len) < 0 ? errno : 0;
2584 printf("%d/%d: read %s%s [%lld,%d] %d\n",
2585 procid, opno, f.path, st, (long long)off, (int)len, e);
2591 readlink_f(int opno, long r)
2599 if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
2601 printf("%d/%d: readlink - no filename\n", procid, opno);
2605 e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
2608 printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
2613 rename_f(int opno, long r)
2627 /* get an existing path for the source of the rename */
2629 if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
2631 printf("%d/%d: rename - no filename\n", procid, opno);
2636 /* get an existing directory for the destination parent directory name */
2637 if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
2643 /* generate a new path using an existing parent directory in name */
2644 init_pathname(&newf);
2645 e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
2649 (void)fent_to_name(&f, &flist[FT_DIR], dfep);
2650 printf("%d/%d: rename - no filename from %s\n",
2651 procid, opno, f.path);
2653 free_pathname(&newf);
2657 e = rename_path(&f, &newf) < 0 ? errno : 0;
2660 if (flp - flist == FT_DIR) {
2662 fix_parent(oldid, id);
2664 del_from_flist(flp - flist, fep - flp->fents);
2665 add_to_flist(flp - flist, id, parid);
2668 printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
2671 printf("%d/%d: rename del entry: id=%d,parent=%d\n",
2672 procid, opno, fep->id, fep->parent);
2673 printf("%d/%d: rename add entry: id=%d,parent=%d\n",
2674 procid, opno, id, parid);
2677 free_pathname(&newf);
2682 resvsp_f(int opno, long r)
2687 struct xfs_flock64 fl;
2695 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2697 printf("%d/%d: resvsp - no filename\n", procid, opno);
2701 fd = open_path(&f, O_RDWR);
2702 e = fd < 0 ? errno : 0;
2706 printf("%d/%d: resvsp - open %s failed %d\n",
2707 procid, opno, f.path, e);
2711 if (fstat64(fd, &stb) < 0) {
2713 printf("%d/%d: resvsp - fstat64 %s failed %d\n",
2714 procid, opno, f.path, errno);
2719 inode_info(st, sizeof(st), &stb, v);
2720 lr = ((__int64_t)random() << 32) + random();
2721 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2723 fl.l_whence = SEEK_SET;
2725 fl.l_len = (off64_t)(random() % (1024 * 1024));
2726 e = xfsctl(f.path, fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
2728 printf("%d/%d: xfsctl(XFS_IOC_RESVSP64) %s%s %lld %lld %d\n",
2729 procid, opno, f.path, st,
2730 (long long)off, (long long)fl.l_len, e);
2736 rmdir_f(int opno, long r)
2744 if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
2746 printf("%d/%d: rmdir - no directory\n", procid, opno);
2750 e = rmdir_path(&f) < 0 ? errno : 0;
2753 del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
2755 printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
2757 printf("%d/%d: rmdir del entry: id=%d,parent=%d\n",
2758 procid, opno, fep->id, fep->parent);
2764 setattr_f(int opno, long r)
2773 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2774 append_pathname(&f, ".");
2775 fd = open_path(&f, O_RDWR);
2776 e = fd < 0 ? errno : 0;
2779 fl = attr_mask & (uint)random();
2780 e = ioctl(fd, FS_IOC_SETFLAGS, &fl);
2782 printf("%d/%d: setattr %s %x %d\n", procid, opno, f.path, fl, e);
2788 stat_f(int opno, long r)
2796 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
2798 printf("%d/%d: stat - no entries\n", procid, opno);
2802 e = lstat64_path(&f, &stb) < 0 ? errno : 0;
2805 printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
2810 symlink_f(int opno, long r)
2823 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2828 e = generate_fname(fep, FT_SYM, &f, &id, &v1);
2832 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2833 printf("%d/%d: symlink - no filename from %s\n",
2834 procid, opno, f.path);
2839 len = (int)(random() % PATH_MAX);
2840 val = malloc(len + 1);
2842 memset(val, 'x', len);
2844 for (i = 10; i < len - 1; i += 10)
2846 e = symlink_path(val, &f) < 0 ? errno : 0;
2849 add_to_flist(FT_SYM, id, parid);
2852 printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
2853 printf("%d/%d: symlink add id=%d,parent=%d\n", procid, opno, id, parid);
2860 sync_f(int opno, long r)
2864 printf("%d/%d: sync\n", procid, opno);
2868 truncate_f(int opno, long r)
2879 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2881 printf("%d/%d: truncate - no filename\n", procid, opno);
2885 e = stat64_path(&f, &stb) < 0 ? errno : 0;
2889 printf("%d/%d: truncate - stat64 %s failed %d\n",
2890 procid, opno, f.path, e);
2894 inode_info(st, sizeof(st), &stb, v);
2895 lr = ((__int64_t)random() << 32) + random();
2896 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2898 e = truncate64_path(&f, off) < 0 ? errno : 0;
2901 printf("%d/%d: truncate %s%s %lld %d\n", procid, opno, f.path,
2902 st, (long long)off, e);
2907 unlink_f(int opno, long r)
2916 if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
2918 printf("%d/%d: unlink - no file\n", procid, opno);
2922 e = unlink_path(&f) < 0 ? errno : 0;
2925 del_from_flist(flp - flist, fep - flp->fents);
2927 printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
2929 printf("%d/%d: unlink del entry: id=%d,parent=%d\n",
2930 procid, opno, fep->id, fep->parent);
2936 unresvsp_f(int opno, long r)
2941 struct xfs_flock64 fl;
2949 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2951 printf("%d/%d: unresvsp - no filename\n", procid, opno);
2955 fd = open_path(&f, O_RDWR);
2956 e = fd < 0 ? errno : 0;
2960 printf("%d/%d: unresvsp - open %s failed %d\n",
2961 procid, opno, f.path, e);
2965 if (fstat64(fd, &stb) < 0) {
2967 printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
2968 procid, opno, f.path, errno);
2973 inode_info(st, sizeof(st), &stb, v);
2974 lr = ((__int64_t)random() << 32) + random();
2975 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2977 fl.l_whence = SEEK_SET;
2979 fl.l_len = (off64_t)(random() % (1 << 20));
2980 e = xfsctl(f.path, fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
2982 printf("%d/%d: xfsctl(XFS_IOC_UNRESVSP64) %s%s %lld %lld %d\n",
2983 procid, opno, f.path, st,
2984 (long long)off, (long long)fl.l_len, e);
2990 write_f(int opno, long r)
3004 if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
3006 printf("%d/%d: write - no filename\n", procid, opno);
3010 fd = open_path(&f, O_WRONLY);
3011 e = fd < 0 ? errno : 0;
3015 printf("%d/%d: write - open %s failed %d\n",
3016 procid, opno, f.path, e);
3020 if (fstat64(fd, &stb) < 0) {
3022 printf("%d/%d: write - fstat64 %s failed %d\n",
3023 procid, opno, f.path, errno);
3028 inode_info(st, sizeof(st), &stb, v);
3029 lr = ((__int64_t)random() << 32) + random();
3030 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3032 lseek64(fd, off, SEEK_SET);
3033 len = (random() % FILELEN_MAX) + 1;
3035 memset(buf, nameseq & 0xff, len);
3036 e = write(fd, buf, len) < 0 ? errno : 0;
3039 printf("%d/%d: write %s%s [%lld,%d] %d\n",
3040 procid, opno, f.path, st, (long long)off, (int)len, e);