2 * Copyright (c) 2000-2002 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifdef HAVE_ATTR_XATTR_H
22 #include <attr/xattr.h>
24 #ifdef HAVE_ATTR_ATTRIBUTES_H
25 #include <attr/attributes.h>
28 #include <linux/falloc.h>
29 #ifndef FALLOC_FL_PUNCH_HOLE
30 /* Copy-paste from linux/falloc.h */
31 #define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */
34 #ifndef HAVE_ATTR_LIST
35 #define attr_list(path, buf, size, flags, cursor) (errno = -ENOSYS, -1)
37 #ifdef HAVE_SYS_PRCTL_H
38 #include <sys/prctl.h>
41 #define XFS_ERRTAG_MAX 17
42 #define XFS_IDMODULO_MAX 31 /* user/group IDs (1 << x) */
43 #define XFS_PROJIDMODULO_MAX 16 /* project IDs (1 << x) */
45 #define FILELEN_MAX (32*4096)
82 typedef void (*opfnc_t)(int, long);
84 typedef struct opdesc {
97 typedef struct flist {
104 typedef struct pathname {
110 #define FT_DIRm (1 << FT_DIR)
112 #define FT_REGm (1 << FT_REG)
114 #define FT_SYMm (1 << FT_SYM)
116 #define FT_DEVm (1 << FT_DEV)
118 #define FT_RTFm (1 << FT_RTF)
120 #define FT_ANYm ((1 << FT_nft) - 1)
121 #define FT_REGFILE (FT_REGm | FT_RTFm)
122 #define FT_NOTDIR (FT_ANYm & ~FT_DIRm)
124 #define FLIST_SLOT_INCR 16
127 #define MAXFSIZE ((1ULL << 63) - 1ULL)
128 #define MAXFSIZE32 ((1ULL << 40) - 1ULL)
130 void allocsp_f(int, long);
131 void attr_remove_f(int, long);
132 void attr_set_f(int, long);
133 void bulkstat_f(int, long);
134 void bulkstat1_f(int, long);
135 void chown_f(int, long);
136 void creat_f(int, long);
137 void dread_f(int, long);
138 void dwrite_f(int, long);
139 void fallocate_f(int, long);
140 void fdatasync_f(int, long);
141 void freesp_f(int, long);
142 void fsync_f(int, long);
143 void getdents_f(int, long);
144 void link_f(int, long);
145 void mkdir_f(int, long);
146 void mknod_f(int, long);
147 void punch_f(int, long);
148 void read_f(int, long);
149 void readlink_f(int, long);
150 void rename_f(int, long);
151 void resvsp_f(int, long);
152 void rmdir_f(int, long);
153 void setxattr_f(int, long);
154 void stat_f(int, long);
155 void symlink_f(int, long);
156 void sync_f(int, long);
157 void truncate_f(int, long);
158 void unlink_f(int, long);
159 void unresvsp_f(int, long);
160 void write_f(int, long);
163 { OP_ALLOCSP, "allocsp", allocsp_f, 1, 1 },
164 { OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1 },
165 { OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1 },
166 { OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0 },
167 { OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0 },
168 { OP_CHOWN, "chown", chown_f, 3, 1 },
169 { OP_CREAT, "creat", creat_f, 4, 1 },
170 { OP_DREAD, "dread", dread_f, 4, 0 },
171 { OP_DWRITE, "dwrite", dwrite_f, 4, 1 },
172 { OP_FALLOCATE, "fallocate", fallocate_f, 1, 1 },
173 { OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1 },
174 { OP_FREESP, "freesp", freesp_f, 1, 1 },
175 { OP_FSYNC, "fsync", fsync_f, 1, 1 },
176 { OP_GETDENTS, "getdents", getdents_f, 1, 0 },
177 { OP_LINK, "link", link_f, 1, 1 },
178 { OP_MKDIR, "mkdir", mkdir_f, 2, 1 },
179 { OP_MKNOD, "mknod", mknod_f, 2, 1 },
180 { OP_PUNCH, "punch", punch_f, 1, 1 },
181 { OP_READ, "read", read_f, 1, 0 },
182 { OP_READLINK, "readlink", readlink_f, 1, 0 },
183 { OP_RENAME, "rename", rename_f, 2, 1 },
184 { OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
185 { OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
186 { OP_SETXATTR, "setxattr", setxattr_f, 1, 1 },
187 { OP_STAT, "stat", stat_f, 1, 0 },
188 { OP_SYMLINK, "symlink", symlink_f, 2, 1 },
189 { OP_SYNC, "sync", sync_f, 1, 0 },
190 { OP_TRUNCATE, "truncate", truncate_f, 2, 1 },
191 { OP_UNLINK, "unlink", unlink_f, 1, 1 },
192 { OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
193 { OP_WRITE, "write", write_f, 4, 1 },
196 flist_t flist[FT_nft] = {
209 xfs_fsop_geom_t geom;
220 unsigned int idmodulo = XFS_IDMODULO_MAX;
223 unsigned long seed = 0;
226 sig_atomic_t should_stop = 0;
228 void add_to_flist(int, int, int);
229 void append_pathname(pathname_t *, char *);
230 int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
231 int attr_remove_path(pathname_t *, const char *, int);
232 int attr_set_path(pathname_t *, const char *, const char *, const int, int);
233 void check_cwd(void);
234 int creat_path(pathname_t *, mode_t);
235 void dcache_enter(int, int);
236 void dcache_init(void);
237 fent_t *dcache_lookup(int);
238 void dcache_purge(int);
239 void del_from_flist(int, int);
240 int dirid_to_name(char *, int);
242 int fent_to_name(pathname_t *, flist_t *, fent_t *);
243 void fix_parent(int, int);
244 void free_pathname(pathname_t *);
245 int generate_fname(fent_t *, int, pathname_t *, int *, int *);
246 int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
247 void init_pathname(pathname_t *);
248 int lchown_path(pathname_t *, uid_t, gid_t);
249 int link_path(pathname_t *, pathname_t *);
250 int lstat64_path(pathname_t *, struct stat64 *);
251 void make_freq_table(void);
252 int mkdir_path(pathname_t *, mode_t);
253 int mknod_path(pathname_t *, mode_t, dev_t);
254 void namerandpad(int, char *, int);
255 int open_path(pathname_t *, int);
256 DIR *opendir_path(pathname_t *);
257 void process_freq(char *);
258 int readlink_path(pathname_t *, char *, size_t);
259 int rename_path(pathname_t *, pathname_t *);
260 int rmdir_path(pathname_t *);
261 void separate_pathname(pathname_t *, char *, pathname_t *);
262 void show_ops(int, char *);
263 int stat64_path(pathname_t *, struct stat64 *);
264 int symlink_path(const char *, pathname_t *);
265 int truncate64_path(pathname_t *, off64_t);
266 int unlink_path(pathname_t *);
268 void write_freq(void);
269 void zero_freq(void);
271 void sg_handler(int signum)
276 int main(int argc, char **argv)
280 char *dirname = NULL;
281 char *logname = NULL;
282 char rpath[PATH_MAX];
291 xfs_error_injection_t err_inj;
292 struct sigaction action;
294 errrange = errtag = 0;
296 nops = sizeof(ops) / sizeof(ops[0]);
297 ops_end = &ops[nops];
299 while ((c = getopt(argc, argv, "d:e:f:i:m:n:o:p:rs:S:vwzH")) != -1) {
305 sscanf(optarg, "%d", &errtag);
309 } else if (errtag == 0)
311 if (errtag >= XFS_ERRTAG_MAX) {
313 "error tag %d too large (max %d)\n",
314 errtag, XFS_ERRTAG_MAX - 1);
319 process_freq(optarg);
322 ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
323 ilist[ilistlen - 1] = strtol(optarg, &p, 16);
326 idmodulo = strtoul(optarg, NULL, 0);
327 if (idmodulo > XFS_IDMODULO_MAX) {
329 "chown modulo %d too big (max %d)\n",
330 idmodulo, XFS_IDMODULO_MAX);
335 operations = atoi(optarg);
342 nproc = atoi(optarg);
348 seed = strtoul(optarg, NULL, 0);
361 if (optarg[0] == 'c')
368 fprintf(stderr, "%s - invalid parameters\n",
378 /* no directory specified */
379 if (!nousage) usage();
383 (void)mkdir(dirname, 0777);
384 if (logname && logname[0] != '/') {
385 if (getcwd(rpath, sizeof(rpath)) < 0){
386 perror("getcwd failed");
392 if (chdir(dirname) < 0) {
398 snprintf(path, sizeof(path), "%s/%s", rpath, logname);
399 if (freopen(path, "a", stdout) == NULL) {
400 perror("freopen logfile failed");
404 sprintf(buf, "fss%x", (unsigned int)getpid());
405 fd = creat(buf, 0666);
406 if (lseek64(fd, (off64_t)(MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
407 maxfsize = (off64_t)MAXFSIZE32;
409 maxfsize = (off64_t)MAXFSIZE;
414 gettimeofday(&t, (void *)NULL);
415 seed = (int)t.tv_sec ^ (int)t.tv_usec;
416 printf("seed = %ld\n", seed);
418 i = xfsctl(buf, fd, XFS_IOC_FSGEOMETRY, &geom);
419 if (i >= 0 && geom.rtblocks)
420 rtpct = MIN(MAX(geom.rtblocks * 100 /
421 (geom.rtblocks + geom.datablocks), 1), 99);
430 for (i = 0; i < j; i++)
433 errtag = (random() % (XFS_ERRTAG_MAX-1)) + 1;
439 for (i = 0; i < j; i++)
442 errtag += (random() % (XFS_ERRTAG_MAX - errtag));
444 printf("Injecting failure on tag #%d\n", errtag);
445 err_inj.errtag = errtag;
447 srval = xfsctl(buf, fd, XFS_IOC_ERROR_INJECTION, &err_inj);
449 perror("fsstress - XFS_SYSSGI error injection call");
458 action.sa_handler = sg_handler;
459 sigemptyset(&action.sa_mask);
461 if (sigaction(SIGTERM, &action, 0)) {
462 perror("sigaction failed");
466 for (i = 0; i < nproc; i++) {
468 action.sa_handler = SIG_DFL;
469 sigemptyset(&action.sa_mask);
470 if (sigaction(SIGTERM, &action, 0))
472 #ifdef HAVE_SYS_PRCTL_H
473 prctl(PR_SET_PDEATHSIG, SIGKILL);
474 if (getppid() == 1) /* parent died already? */
479 snprintf(path, sizeof(path), "%s/%s.%d",
481 if (freopen(path, "a", stdout) == NULL) {
482 perror("freopen logfile failed");
491 while (wait(&stat) > 0 && !should_stop) {
494 action.sa_flags = SA_RESTART;
495 sigaction(SIGTERM, &action, 0);
496 kill(-getpid(), SIGTERM);
497 while (wait(&stat) > 0)
503 srval = xfsctl(buf, fd, XFS_IOC_ERROR_CLEARALL, &err_inj);
505 fprintf(stderr, "Bad ej clear on %s fd=%d (%d).\n",
507 perror("xfsctl(XFS_IOC_ERROR_CLEARALL)");
519 add_to_flist(int ft, int id, int parent)
525 if (ftp->nfiles == ftp->nslots) {
526 ftp->nslots += FLIST_SLOT_INCR;
527 ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
529 fep = &ftp->fents[ftp->nfiles++];
531 fep->parent = parent;
535 append_pathname(pathname_t *name, char *str)
541 /* attempting to append to a dir a zero length path */
542 if (len && *str == '/' && name->len == 0) {
543 fprintf(stderr, "fsstress: append_pathname failure\n");
549 name->path = realloc(name->path, name->len + 1 + len);
550 strcpy(&name->path[name->len], str);
555 attr_list_path(pathname_t *name,
557 const int buffersize,
559 attrlist_cursor_t *cursor)
561 char buf[NAME_MAX + 1];
565 if (flags != ATTR_DONTFOLLOW) {
570 rval = attr_list(name->path, buffer, buffersize, flags, cursor);
571 if (rval >= 0 || errno != ENAMETOOLONG)
573 separate_pathname(name, buf, &newname);
574 if (chdir(buf) == 0) {
575 rval = attr_list_path(&newname, buffer, buffersize, flags, cursor);
578 free_pathname(&newname);
583 attr_remove_path(pathname_t *name, const char *attrname, int flags)
585 char buf[NAME_MAX + 1];
589 rval = attr_remove(name->path, attrname, flags);
590 if (rval >= 0 || errno != ENAMETOOLONG)
592 separate_pathname(name, buf, &newname);
593 if (chdir(buf) == 0) {
594 rval = attr_remove_path(&newname, attrname, flags);
597 free_pathname(&newname);
602 attr_set_path(pathname_t *name, const char *attrname, const char *attrvalue,
603 const int valuelength, int flags)
605 char buf[NAME_MAX + 1];
609 rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
610 if (rval >= 0 || errno != ENAMETOOLONG)
612 separate_pathname(name, buf, &newname);
613 if (chdir(buf) == 0) {
614 rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
618 free_pathname(&newname);
626 struct stat64 statbuf;
628 if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
631 fprintf(stderr, "fsstress: check_cwd failure\n");
638 creat_path(pathname_t *name, mode_t mode)
640 char buf[NAME_MAX + 1];
644 rval = creat(name->path, mode);
645 if (rval >= 0 || errno != ENAMETOOLONG)
647 separate_pathname(name, buf, &newname);
648 if (chdir(buf) == 0) {
649 rval = creat_path(&newname, mode);
652 free_pathname(&newname);
657 dcache_enter(int dirid, int slot)
659 dcache[dirid % NDCACHE] = slot;
667 for (i = 0; i < NDCACHE; i++)
672 dcache_lookup(int dirid)
677 i = dcache[dirid % NDCACHE];
678 if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
684 dcache_purge(int dirid)
688 dcp = &dcache[dirid % NDCACHE];
689 if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
694 * Delete the item from the list by
695 * moving last entry over the deleted one;
696 * unless deleted entry is the last one.
697 * Input: which file list array and which slot in array
700 del_from_flist(int ft, int slot)
706 dcache_purge(ftp->fents[slot].id);
707 if (slot != ftp->nfiles - 1) {
709 dcache_purge(ftp->fents[ftp->nfiles - 1].id);
710 ftp->fents[slot] = ftp->fents[--ftp->nfiles];
716 dirid_to_fent(int dirid)
722 if ((fep = dcache_lookup(dirid)))
724 flp = &flist[FT_DIR];
725 for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
726 if (fep->id == dirid) {
727 dcache_enter(dirid, fep - flp->fents);
737 struct stat64 statbuf;
743 sprintf(buf, "p%x", procid);
744 (void)mkdir(buf, 0777);
745 if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
749 top_ino = statbuf.st_ino;
750 homedir = getcwd(NULL, -1);
755 for (opno = 0; opno < operations; opno++) {
756 p = &ops[freq_table[random() % freq_table_size]];
757 p->func(opno, random());
759 * test for forced shutdown by stat'ing the test
760 * directory. If this stat returns EIO, assume
761 * the forced shutdown happened.
763 if (errtag != 0 && opno % 100 == 0) {
764 rval = stat64(".", &statbuf);
766 fprintf(stderr, "Detected EIO\n");
774 * build up a pathname going thru the file entry and all
776 * Return 0 on error, 1 on success;
779 fent_to_name(pathname_t *name, flist_t *flp, fent_t *fep)
781 char buf[NAME_MAX + 1];
789 /* build up parent directory name */
790 if (fep->parent != -1) {
791 pfep = dirid_to_fent(fep->parent);
794 fprintf(stderr, "%d: fent-id = %d: can't find parent id: %d\n",
795 procid, fep->id, fep->parent);
800 e = fent_to_name(name, &flist[FT_DIR], pfep);
803 append_pathname(name, "/");
806 i = sprintf(buf, "%c%x", flp->tag, fep->id);
807 namerandpad(fep->id, buf, i);
808 append_pathname(name, buf);
813 fix_parent(int oldid, int newid)
820 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
821 for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
822 if (fep->parent == oldid)
829 free_pathname(pathname_t *name)
839 * Generate a filename of type ft.
840 * If we have a fep which should be a directory then use it
841 * as the parent path for this new filename i.e. prepend with it.
844 generate_fname(fent_t *fep, int ft, pathname_t *name, int *idp, int *v)
846 char buf[NAME_MAX + 1];
855 len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
856 namerandpad(id, buf, len);
858 /* prepend fep parent dir-name to it */
860 e = fent_to_name(name, &flist[FT_DIR], fep);
863 append_pathname(name, "/");
865 append_pathname(name, buf);
869 for (j = 0; !*v && j < ilistlen; j++) {
870 if (ilist[j] == id) {
880 * Input: "which" to choose the file-types eg. non-directory
881 * Input: "r" to choose which file
882 * Output: file-list, file-entry, name for the chosen file.
883 * Output: verbose if chosen file is on the ilist.
886 get_fname(int which, long r, pathname_t *name, flist_t **flpp, fent_t **fepp,
889 int totalsum = 0; /* total number of matching files */
890 int partialsum = 0; /* partial sum of matching files */
896 int e = 1; /* success */
899 * go thru flist and add up number of files for each
900 * category that matches with <which>.
902 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
903 if (which & (1 << i))
904 totalsum += flp->nfiles;
916 * Now we have possible matches between 0..totalsum-1.
917 * And we use r to help us choose which one we want,
918 * which when bounded by totalsum becomes x.
920 x = (int)(r % totalsum);
921 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
922 if (which & (1 << i)) {
923 if (x < partialsum + flp->nfiles) {
925 /* found the matching file entry */
926 fep = &flp->fents[x - partialsum];
928 /* fill-in what we were asked for */
930 e = fent_to_name(name, flp, fep);
933 fprintf(stderr, "%d: failed to get path for entry:"
934 " id=%d,parent=%d\n",
935 procid, fep->id, fep->parent);
944 /* turn on verbose if its an ilisted file */
946 for (j = 0; !*v && j < ilistlen; j++) {
947 if (ilist[j] == fep->id) {
954 partialsum += flp->nfiles;
958 fprintf(stderr, "fsstress: get_fname failure\n");
965 init_pathname(pathname_t *name)
972 lchown_path(pathname_t *name, uid_t owner, gid_t group)
974 char buf[NAME_MAX + 1];
978 rval = lchown(name->path, owner, group);
979 if (rval >= 0 || errno != ENAMETOOLONG)
981 separate_pathname(name, buf, &newname);
982 if (chdir(buf) == 0) {
983 rval = lchown_path(&newname, owner, group);
986 free_pathname(&newname);
991 link_path(pathname_t *name1, pathname_t *name2)
993 char buf1[NAME_MAX + 1];
994 char buf2[NAME_MAX + 1];
1000 rval = link(name1->path, name2->path);
1001 if (rval >= 0 || errno != ENAMETOOLONG)
1003 separate_pathname(name1, buf1, &newname1);
1004 separate_pathname(name2, buf2, &newname2);
1005 if (strcmp(buf1, buf2) == 0) {
1006 if (chdir(buf1) == 0) {
1007 rval = link_path(&newname1, &newname2);
1011 if (strcmp(buf1, "..") == 0)
1013 else if (strcmp(buf2, "..") == 0)
1015 else if (strlen(buf1) == 0)
1017 else if (strlen(buf2) == 0)
1020 down1 = MAX(newname1.len, 3 + name2->len) <=
1021 MAX(3 + name1->len, newname2.len);
1023 free_pathname(&newname2);
1024 append_pathname(&newname2, "../");
1025 append_pathname(&newname2, name2->path);
1026 if (chdir(buf1) == 0) {
1027 rval = link_path(&newname1, &newname2);
1031 free_pathname(&newname1);
1032 append_pathname(&newname1, "../");
1033 append_pathname(&newname1, name1->path);
1034 if (chdir(buf2) == 0) {
1035 rval = link_path(&newname1, &newname2);
1040 free_pathname(&newname1);
1041 free_pathname(&newname2);
1046 lstat64_path(pathname_t *name, struct stat64 *sbuf)
1048 char buf[NAME_MAX + 1];
1052 rval = lstat64(name->path, sbuf);
1053 if (rval >= 0 || errno != ENAMETOOLONG)
1055 separate_pathname(name, buf, &newname);
1056 if (chdir(buf) == 0) {
1057 rval = lstat64_path(&newname, sbuf);
1060 free_pathname(&newname);
1065 make_freq_table(void)
1071 for (p = ops, f = 0; p < ops_end; p++)
1073 freq_table = malloc(f * sizeof(*freq_table));
1074 freq_table_size = f;
1075 for (p = ops, i = 0; p < ops_end; p++) {
1076 for (f = 0; f < p->freq; f++, i++)
1077 freq_table[i] = p->op;
1082 mkdir_path(pathname_t *name, mode_t mode)
1084 char buf[NAME_MAX + 1];
1088 rval = mkdir(name->path, mode);
1089 if (rval >= 0 || errno != ENAMETOOLONG)
1091 separate_pathname(name, buf, &newname);
1092 if (chdir(buf) == 0) {
1093 rval = mkdir_path(&newname, mode);
1096 free_pathname(&newname);
1101 mknod_path(pathname_t *name, mode_t mode, dev_t dev)
1103 char buf[NAME_MAX + 1];
1107 rval = mknod(name->path, mode, dev);
1108 if (rval >= 0 || errno != ENAMETOOLONG)
1110 separate_pathname(name, buf, &newname);
1111 if (chdir(buf) == 0) {
1112 rval = mknod_path(&newname, mode, dev);
1115 free_pathname(&newname);
1120 namerandpad(int id, char *buf, int i)
1123 static int buckets[] =
1124 { 2, 4, 8, 16, 32, 64, 128, NAME_MAX };
1130 bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
1131 padmod = buckets[bucket] + 1 - i;
1134 padlen = (id ^ namerand) % padmod;
1136 memset(&buf[i], 'X', padlen);
1137 buf[i + padlen] = '\0';
1142 open_path(pathname_t *name, int oflag)
1144 char buf[NAME_MAX + 1];
1148 rval = open(name->path, oflag);
1149 if (rval >= 0 || errno != ENAMETOOLONG)
1151 separate_pathname(name, buf, &newname);
1152 if (chdir(buf) == 0) {
1153 rval = open_path(&newname, oflag);
1156 free_pathname(&newname);
1161 opendir_path(pathname_t *name)
1163 char buf[NAME_MAX + 1];
1167 rval = opendir(name->path);
1168 if (rval || errno != ENAMETOOLONG)
1170 separate_pathname(name, buf, &newname);
1171 if (chdir(buf) == 0) {
1172 rval = opendir_path(&newname);
1175 free_pathname(&newname);
1180 process_freq(char *arg)
1185 s = strchr(arg, '=');
1187 fprintf(stderr, "bad argument '%s'\n", arg);
1191 for (p = ops; p < ops_end; p++) {
1192 if (strcmp(arg, p->name) == 0) {
1197 fprintf(stderr, "can't find op type %s for -f\n", arg);
1202 readlink_path(pathname_t *name, char *lbuf, size_t lbufsiz)
1204 char buf[NAME_MAX + 1];
1208 rval = readlink(name->path, lbuf, lbufsiz);
1209 if (rval >= 0 || errno != ENAMETOOLONG)
1211 separate_pathname(name, buf, &newname);
1212 if (chdir(buf) == 0) {
1213 rval = readlink_path(&newname, lbuf, lbufsiz);
1216 free_pathname(&newname);
1221 rename_path(pathname_t *name1, pathname_t *name2)
1223 char buf1[NAME_MAX + 1];
1224 char buf2[NAME_MAX + 1];
1226 pathname_t newname1;
1227 pathname_t newname2;
1230 rval = rename(name1->path, name2->path);
1231 if (rval >= 0 || errno != ENAMETOOLONG)
1233 separate_pathname(name1, buf1, &newname1);
1234 separate_pathname(name2, buf2, &newname2);
1235 if (strcmp(buf1, buf2) == 0) {
1236 if (chdir(buf1) == 0) {
1237 rval = rename_path(&newname1, &newname2);
1241 if (strcmp(buf1, "..") == 0)
1243 else if (strcmp(buf2, "..") == 0)
1245 else if (strlen(buf1) == 0)
1247 else if (strlen(buf2) == 0)
1250 down1 = MAX(newname1.len, 3 + name2->len) <=
1251 MAX(3 + name1->len, newname2.len);
1253 free_pathname(&newname2);
1254 append_pathname(&newname2, "../");
1255 append_pathname(&newname2, name2->path);
1256 if (chdir(buf1) == 0) {
1257 rval = rename_path(&newname1, &newname2);
1261 free_pathname(&newname1);
1262 append_pathname(&newname1, "../");
1263 append_pathname(&newname1, name1->path);
1264 if (chdir(buf2) == 0) {
1265 rval = rename_path(&newname1, &newname2);
1270 free_pathname(&newname1);
1271 free_pathname(&newname2);
1276 rmdir_path(pathname_t *name)
1278 char buf[NAME_MAX + 1];
1282 rval = rmdir(name->path);
1283 if (rval >= 0 || errno != ENAMETOOLONG)
1285 separate_pathname(name, buf, &newname);
1286 if (chdir(buf) == 0) {
1287 rval = rmdir_path(&newname);
1290 free_pathname(&newname);
1295 separate_pathname(pathname_t *name, char *buf, pathname_t *newname)
1299 init_pathname(newname);
1300 slash = strchr(name->path, '/');
1301 if (slash == NULL) {
1306 strcpy(buf, name->path);
1308 append_pathname(newname, slash + 1);
1314 show_ops(int flag, char *lead_str)
1319 /* print in list form */
1322 for (p = ops; p < ops_end; p++) {
1323 if (lead_str != NULL && x+strlen(p->name)>=WIDTH-5)
1324 x=printf("%s%s", (p==ops)?"":"\n", lead_str);
1325 x+=printf("%s ", p->name);
1328 } else if (flag == 0) {
1329 /* Table view style */
1331 for (f = 0, p = ops; p < ops_end; p++)
1337 for (p = ops; p < ops_end; p++) {
1338 if (flag != 0 || p->freq > 0) {
1339 if (lead_str != NULL)
1340 printf("%s", lead_str);
1341 printf("%20s %d/%d %s\n",
1342 p->name, p->freq, f,
1343 (p->iswrite == 0) ? " " : "write op");
1347 /* Command line style */
1348 if (lead_str != NULL)
1349 printf("%s", lead_str);
1350 printf ("-z -s %ld -m %d -n %d -p %d \\\n", seed, idmodulo,
1352 for (p = ops; p < ops_end; p++)
1354 printf("-f %s=%d \\\n",p->name, p->freq);
1359 stat64_path(pathname_t *name, struct stat64 *sbuf)
1361 char buf[NAME_MAX + 1];
1365 rval = stat64(name->path, sbuf);
1366 if (rval >= 0 || errno != ENAMETOOLONG)
1368 separate_pathname(name, buf, &newname);
1369 if (chdir(buf) == 0) {
1370 rval = stat64_path(&newname, sbuf);
1373 free_pathname(&newname);
1378 symlink_path(const char *name1, pathname_t *name)
1380 char buf[NAME_MAX + 1];
1384 if (!strcmp(name1, name->path)) {
1385 printf("yikes! %s %s\n", name1, name->path);
1389 rval = symlink(name1, name->path);
1390 if (rval >= 0 || errno != ENAMETOOLONG)
1392 separate_pathname(name, buf, &newname);
1393 if (chdir(buf) == 0) {
1394 rval = symlink_path(name1, &newname);
1397 free_pathname(&newname);
1402 truncate64_path(pathname_t *name, off64_t length)
1404 char buf[NAME_MAX + 1];
1408 rval = truncate64(name->path, length);
1409 if (rval >= 0 || errno != ENAMETOOLONG)
1411 separate_pathname(name, buf, &newname);
1412 if (chdir(buf) == 0) {
1413 rval = truncate64_path(&newname, length);
1416 free_pathname(&newname);
1421 unlink_path(pathname_t *name)
1423 char buf[NAME_MAX + 1];
1427 rval = unlink(name->path);
1428 if (rval >= 0 || errno != ENAMETOOLONG)
1430 separate_pathname(name, buf, &newname);
1431 if (chdir(buf) == 0) {
1432 rval = unlink_path(&newname);
1435 free_pathname(&newname);
1442 printf("Usage: %s -H or\n", myprog);
1443 printf(" %s [-d dir][-e errtg][-f op_name=freq][-n nops]\n",
1445 printf(" [-p nproc][-r len][-s seed][-v][-w][-z][-S]\n");
1447 printf(" -d dir specifies the base directory for operations\n");
1448 printf(" -e errtg specifies error injection stuff\n");
1449 printf(" -f op_name=freq changes the frequency of option name to freq\n");
1450 printf(" the valid operation names are:\n");
1451 printf(" -i filenum get verbose output for this nth file object\n");
1453 printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
1454 printf(" -n nops specifies the no. of operations per process (default 1)\n");
1455 printf(" -p nproc specifies the no. of processes (default 1)\n");
1456 printf(" -r specifies random name padding\n");
1457 printf(" -s seed specifies the seed for the random generator (default random)\n");
1458 printf(" -v specifies verbose mode\n");
1459 printf(" -w zeros frequencies of non-write operations\n");
1460 printf(" -z zeros frequencies of all operations\n");
1461 printf(" -S [c,t] prints the list of operations (omitting zero frequency) in command line or table style\n");
1462 printf(" -H prints usage and exits\n");
1470 for (p = ops; p < ops_end; p++) {
1481 for (p = ops; p < ops_end; p++)
1485 void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
1488 snprintf(str, sz, "[%ld %ld %d %d %lld %lld]", (long)s->st_ino,
1489 (long)s->st_nlink, s->st_uid, s->st_gid,
1490 (long long) s->st_blocks, (long long) s->st_size);
1494 allocsp_f(int opno, long r)
1499 struct xfs_flock64 fl;
1507 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1509 printf("%d/%d: allocsp - no filename\n", procid, opno);
1513 fd = open_path(&f, O_RDWR);
1514 e = fd < 0 ? errno : 0;
1518 printf("%d/%d: allocsp - open %s failed %d\n",
1519 procid, opno, f.path, e);
1523 if (fstat64(fd, &stb) < 0) {
1525 printf("%d/%d: allocsp - fstat64 %s failed %d\n",
1526 procid, opno, f.path, errno);
1531 inode_info(st, sizeof(st), &stb, v);
1532 lr = ((__int64_t)random() << 32) + random();
1533 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1535 fl.l_whence = SEEK_SET;
1538 e = xfsctl(f.path, fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
1540 printf("%d/%d: xfsctl(XFS_IOC_ALLOCSP64) %s%s %lld 0 %d\n",
1541 procid, opno, f.path, st, (long long)off, e);
1548 attr_remove_f(int opno, long r)
1550 attrlist_ent_t *aep;
1554 attrlist_cursor_t cursor;
1563 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1564 append_pathname(&f, ".");
1566 bzero(&cursor, sizeof(cursor));
1568 bzero(buf, sizeof(buf));
1569 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1573 alist = (attrlist_t *)buf;
1574 total += alist->al_count;
1575 } while (alist->al_more);
1578 printf("%d/%d: attr_remove - no attrs for %s\n",
1579 procid, opno, f.path);
1583 which = (int)(random() % total);
1584 bzero(&cursor, sizeof(cursor));
1588 bzero(buf, sizeof(buf));
1589 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1593 alist = (attrlist_t *)buf;
1594 if (which < ent + alist->al_count) {
1595 aep = (attrlist_ent_t *)
1596 &buf[alist->al_offset[which - ent]];
1597 aname = aep->a_name;
1600 ent += alist->al_count;
1601 } while (alist->al_more);
1602 if (aname == NULL) {
1605 "%d/%d: attr_remove - name %d not found at %s\n",
1606 procid, opno, which, f.path);
1610 e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
1613 printf("%d/%d: attr_remove %s %s %d\n",
1614 procid, opno, f.path, aname, e);
1619 attr_set_f(int opno, long r)
1626 static int lengths[] = { 10, 100, 1000, 10000 };
1631 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1632 append_pathname(&f, ".");
1633 sprintf(aname, "a%x", nameseq++);
1634 li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
1635 len = (int)(random() % lengths[li]);
1639 memset(aval, nameseq & 0xff, len);
1640 e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
1645 printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
1651 bulkstat_f(int opno, long r)
1659 xfs_fsop_bulkreq_t bsr;
1662 nent = (r % 999) + 2;
1663 t = malloc(nent * sizeof(*t));
1664 fd = open(".", O_RDONLY);
1672 while (xfsctl(".", fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
1676 printf("%d/%d: bulkstat nent %d total %lld\n",
1677 procid, opno, nent, (long long)total);
1682 bulkstat1_f(int opno, long r)
1692 xfs_fsop_bulkreq_t bsr;
1695 good = random() & 1;
1697 /* use an inode we know exists */
1699 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1700 append_pathname(&f, ".");
1701 ino = stat64_path(&f, &s) < 0 ? (ino64_t)r : s.st_ino;
1706 * pick a random inode
1708 * note this can generate kernel warning messages
1709 * since bulkstat_one will read the disk block that
1710 * would contain a given inode even if that disk
1711 * block doesn't contain inodes.
1713 * this is detected later, but not until after the
1714 * warning is displayed.
1716 * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
1722 fd = open(".", O_RDONLY);
1729 e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
1731 printf("%d/%d: bulkstat1 %s ino %lld %d\n",
1732 procid, opno, good?"real":"random", (long long)ino, e);
1737 chown_f(int opno, long r)
1747 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1748 append_pathname(&f, ".");
1749 u = (uid_t)random();
1750 g = (gid_t)random();
1751 nbits = (int)(random() % idmodulo);
1752 u &= (1 << nbits) - 1;
1753 g &= (1 << nbits) - 1;
1754 e = lchown_path(&f, u, g) < 0 ? errno : 0;
1757 printf("%d/%d: chown %s %d/%d %d\n", procid, opno, f.path, (int)u, (int)g, e);
1762 setxattr_f(int opno, long r)
1764 #ifdef XFS_XFLAG_EXTSIZE
1774 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1775 append_pathname(&f, ".");
1776 fd = open_path(&f, O_RDWR);
1777 e = fd < 0 ? errno : 0;
1782 e = MIN(idmodulo, XFS_PROJIDMODULO_MAX);
1783 nbits = (int)(random() % e);
1784 p &= (1 << nbits) - 1;
1786 if ((e = xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &fsx)) == 0) {
1788 e = xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &fsx);
1791 printf("%d/%d: setxattr %s %u %d\n", procid, opno, f.path, p, e);
1798 creat_f(int opno, long r)
1813 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
1818 e1 = (random() % 100);
1819 type = rtpct ? ((e1 > rtpct) ? FT_REG : FT_RTF) : FT_REG;
1821 if (type == FT_RTF) /* rt always gets an extsize */
1822 extsize = (random() % 10) + 1;
1823 else if (e1 < 10) /* one-in-ten get an extsize */
1824 extsize = random() % 1024;
1828 e = generate_fname(fep, type, &f, &id, &v);
1832 (void)fent_to_name(&f, &flist[FT_DIR], fep);
1833 printf("%d/%d: creat - no filename from %s\n",
1834 procid, opno, f.path);
1839 fd = creat_path(&f, 0666);
1840 e = fd < 0 ? errno : 0;
1845 xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
1846 if (type == FT_RTF) {
1847 a.fsx_xflags |= XFS_XFLAG_REALTIME;
1848 a.fsx_extsize = extsize *
1849 geom.rtextsize * geom.blocksize;
1851 } else if (extsize) {
1852 a.fsx_xflags |= XFS_XFLAG_EXTSIZE;
1853 a.fsx_extsize = extsize * geom.blocksize;
1856 if (xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &a) < 0)
1859 add_to_flist(type, id, parid);
1863 printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
1864 extsize ? a.fsx_extsize : 0, e, e1);
1865 printf("%d/%d: creat add id=%d,parent=%d\n", procid, opno, id, parid);
1871 dread_f(int opno, long r)
1875 struct dioattr diob;
1887 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1889 printf("%d/%d: dread - no filename\n", procid, opno);
1893 fd = open_path(&f, O_RDONLY|O_DIRECT);
1894 e = fd < 0 ? errno : 0;
1898 printf("%d/%d: dread - open %s failed %d\n",
1899 procid, opno, f.path, e);
1903 if (fstat64(fd, &stb) < 0) {
1905 printf("%d/%d: dread - fstat64 %s failed %d\n",
1906 procid, opno, f.path, errno);
1911 inode_info(st, sizeof(st), &stb, v);
1912 if (stb.st_size == 0) {
1914 printf("%d/%d: dread - %s%s zero size\n", procid, opno,
1920 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1923 "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s%s failed %d\n",
1924 procid, opno, f.path, st, errno);
1929 align = (__int64_t)diob.d_miniosz;
1930 lr = ((__int64_t)random() << 32) + random();
1931 off = (off64_t)(lr % stb.st_size);
1932 off -= (off % align);
1933 lseek64(fd, off, SEEK_SET);
1934 len = (random() % FILELEN_MAX) + 1;
1935 len -= (len % align);
1938 else if (len > diob.d_maxiosz)
1939 len = diob.d_maxiosz;
1940 buf = memalign(diob.d_mem, len);
1941 e = read(fd, buf, len) < 0 ? errno : 0;
1944 printf("%d/%d: dread %s%s [%lld,%d] %d\n",
1945 procid, opno, f.path, st, (long long)off, (int)len, e);
1951 dwrite_f(int opno, long r)
1955 struct dioattr diob;
1967 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1969 printf("%d/%d: dwrite - no filename\n", procid, opno);
1973 fd = open_path(&f, O_WRONLY|O_DIRECT);
1974 e = fd < 0 ? errno : 0;
1978 printf("%d/%d: dwrite - open %s failed %d\n",
1979 procid, opno, f.path, e);
1983 if (fstat64(fd, &stb) < 0) {
1985 printf("%d/%d: dwrite - fstat64 %s failed %d\n",
1986 procid, opno, f.path, errno);
1991 inode_info(st, sizeof(st), &stb, v);
1992 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1994 printf("%d/%d: dwrite - xfsctl(XFS_IOC_DIOINFO)"
1995 " %s%s failed %d\n",
1996 procid, opno, f.path, st, errno);
2001 align = (__int64_t)diob.d_miniosz;
2002 lr = ((__int64_t)random() << 32) + random();
2003 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2004 off -= (off % align);
2005 lseek64(fd, off, SEEK_SET);
2006 len = (random() % FILELEN_MAX) + 1;
2007 len -= (len % align);
2010 else if (len > diob.d_maxiosz)
2011 len = diob.d_maxiosz;
2012 buf = memalign(diob.d_mem, len);
2014 lseek64(fd, off, SEEK_SET);
2015 memset(buf, nameseq & 0xff, len);
2016 e = write(fd, buf, len) < 0 ? errno : 0;
2019 printf("%d/%d: dwrite %s%s [%lld,%d] %d\n",
2020 procid, opno, f.path, st, (long long)off, (int)len, e);
2026 fallocate_f(int opno, long r)
2041 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2043 printf("%d/%d: fallocate - no filename\n", procid, opno);
2047 fd = open_path(&f, O_RDWR);
2048 e = fd < 0 ? errno : 0;
2052 printf("%d/%d: fallocate - open %s failed %d\n",
2053 procid, opno, f.path, e);
2057 if (fstat64(fd, &stb) < 0) {
2059 printf("%d/%d: fallocate - fstat64 %s failed %d\n",
2060 procid, opno, f.path, errno);
2065 inode_info(st, sizeof(st), &stb, v);
2066 lr = ((__int64_t)random() << 32) + random();
2067 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2069 len = (off64_t)(random() % (1024 * 1024));
2070 mode |= FALLOC_FL_KEEP_SIZE & random();
2071 e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
2073 printf("%d/%d: fallocate(%d) %s %st %lld %lld %d\n",
2075 f.path, st, (long long)off, (long long)len, e);
2083 fdatasync_f(int opno, long r)
2091 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2093 printf("%d/%d: fdatasync - no filename\n",
2098 fd = open_path(&f, O_WRONLY);
2099 e = fd < 0 ? errno : 0;
2103 printf("%d/%d: fdatasync - open %s failed %d\n",
2104 procid, opno, f.path, e);
2108 e = fdatasync(fd) < 0 ? errno : 0;
2110 printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
2116 freesp_f(int opno, long r)
2121 struct xfs_flock64 fl;
2129 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2131 printf("%d/%d: freesp - no filename\n", procid, opno);
2135 fd = open_path(&f, O_RDWR);
2136 e = fd < 0 ? errno : 0;
2140 printf("%d/%d: freesp - open %s failed %d\n",
2141 procid, opno, f.path, e);
2145 if (fstat64(fd, &stb) < 0) {
2147 printf("%d/%d: freesp - fstat64 %s failed %d\n",
2148 procid, opno, f.path, errno);
2153 inode_info(st, sizeof(st), &stb, v);
2154 lr = ((__int64_t)random() << 32) + random();
2155 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2157 fl.l_whence = SEEK_SET;
2160 e = xfsctl(f.path, fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
2162 printf("%d/%d: xfsctl(XFS_IOC_FREESP64) %s%s %lld 0 %d\n",
2163 procid, opno, f.path, st, (long long)off, e);
2169 fsync_f(int opno, long r)
2177 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2179 printf("%d/%d: fsync - no filename\n", procid, opno);
2183 fd = open_path(&f, O_WRONLY);
2184 e = fd < 0 ? errno : 0;
2188 printf("%d/%d: fsync - open %s failed %d\n",
2189 procid, opno, f.path, e);
2193 e = fsync(fd) < 0 ? errno : 0;
2195 printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
2201 getdents_f(int opno, long r)
2208 if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
2209 append_pathname(&f, ".");
2210 dir = opendir_path(&f);
2214 printf("%d/%d: getdents - can't open %s\n",
2215 procid, opno, f.path);
2219 while (readdir64(dir) != NULL)
2222 printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
2228 link_f(int opno, long r)
2241 if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
2243 printf("%d/%d: link - no file\n", procid, opno);
2247 if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
2253 e = generate_fname(fep, flp - flist, &l, &id, &v1);
2257 (void)fent_to_name(&l, &flist[FT_DIR], fep);
2258 printf("%d/%d: link - no filename from %s\n",
2259 procid, opno, l.path);
2265 e = link_path(&f, &l) < 0 ? errno : 0;
2268 add_to_flist(flp - flist, id, parid);
2270 printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
2272 printf("%d/%d: link add id=%d,parent=%d\n", procid, opno, id, parid);
2279 mkdir_f(int opno, long r)
2289 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2294 e = generate_fname(fep, FT_DIR, &f, &id, &v1);
2298 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2299 printf("%d/%d: mkdir - no filename from %s\n",
2300 procid, opno, f.path);
2305 e = mkdir_path(&f, 0777) < 0 ? errno : 0;
2308 add_to_flist(FT_DIR, id, parid);
2310 printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
2311 printf("%d/%d: mkdir add id=%d,parent=%d\n", procid, opno, id, parid);
2317 mknod_f(int opno, long r)
2327 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2332 e = generate_fname(fep, FT_DEV, &f, &id, &v1);
2336 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2337 printf("%d/%d: mknod - no filename from %s\n",
2338 procid, opno, f.path);
2343 e = mknod_path(&f, S_IFCHR|0444, 0) < 0 ? errno : 0;
2346 add_to_flist(FT_DEV, id, parid);
2348 printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
2349 printf("%d/%d: mknod add id=%d,parent=%d\n", procid, opno, id, parid);
2355 punch_f(int opno, long r)
2367 int mode = FALLOC_FL_PUNCH_HOLE;
2370 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2372 printf("%d/%d: punch hole - no filename\n", procid, opno);
2376 fd = open_path(&f, O_RDWR);
2377 e = fd < 0 ? errno : 0;
2381 printf("%d/%d: punch hole - open %s failed %d\n",
2382 procid, opno, f.path, e);
2386 if (fstat64(fd, &stb) < 0) {
2388 printf("%d/%d: punch hole - fstat64 %s failed %d\n",
2389 procid, opno, f.path, errno);
2394 inode_info(st, sizeof(st), &stb, v);
2395 lr = ((__int64_t)random() << 32) + random();
2396 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2398 len = (off64_t)(random() % (1024 * 1024));
2399 mode |= FALLOC_FL_KEEP_SIZE & random();
2400 e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
2402 printf("%d/%d: punch hole(%d) %s %s %lld %lld %d\n",
2404 f.path, st, (long long)off, (long long)len, e);
2411 read_f(int opno, long r)
2425 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2427 printf("%d/%d: read - no filename\n", procid, opno);
2431 fd = open_path(&f, O_RDONLY);
2432 e = fd < 0 ? errno : 0;
2436 printf("%d/%d: read - open %s failed %d\n",
2437 procid, opno, f.path, e);
2441 if (fstat64(fd, &stb) < 0) {
2443 printf("%d/%d: read - fstat64 %s failed %d\n",
2444 procid, opno, f.path, errno);
2449 inode_info(st, sizeof(st), &stb, v);
2450 if (stb.st_size == 0) {
2452 printf("%d/%d: read - %s%s zero size\n", procid, opno,
2458 lr = ((__int64_t)random() << 32) + random();
2459 off = (off64_t)(lr % stb.st_size);
2460 lseek64(fd, off, SEEK_SET);
2461 len = (random() % FILELEN_MAX) + 1;
2463 e = read(fd, buf, len) < 0 ? errno : 0;
2466 printf("%d/%d: read %s%s [%lld,%d] %d\n",
2467 procid, opno, f.path, st, (long long)off, (int)len, e);
2473 readlink_f(int opno, long r)
2481 if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
2483 printf("%d/%d: readlink - no filename\n", procid, opno);
2487 e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
2490 printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
2495 rename_f(int opno, long r)
2509 /* get an existing path for the source of the rename */
2511 if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
2513 printf("%d/%d: rename - no filename\n", procid, opno);
2518 /* get an existing directory for the destination parent directory name */
2519 if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
2525 /* generate a new path using an existing parent directory in name */
2526 init_pathname(&newf);
2527 e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
2531 (void)fent_to_name(&f, &flist[FT_DIR], dfep);
2532 printf("%d/%d: rename - no filename from %s\n",
2533 procid, opno, f.path);
2535 free_pathname(&newf);
2539 e = rename_path(&f, &newf) < 0 ? errno : 0;
2542 if (flp - flist == FT_DIR) {
2544 fix_parent(oldid, id);
2546 del_from_flist(flp - flist, fep - flp->fents);
2547 add_to_flist(flp - flist, id, parid);
2550 printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
2553 printf("%d/%d: rename del entry: id=%d,parent=%d\n",
2554 procid, opno, fep->id, fep->parent);
2555 printf("%d/%d: rename add entry: id=%d,parent=%d\n",
2556 procid, opno, id, parid);
2559 free_pathname(&newf);
2564 resvsp_f(int opno, long r)
2569 struct xfs_flock64 fl;
2577 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2579 printf("%d/%d: resvsp - no filename\n", procid, opno);
2583 fd = open_path(&f, O_RDWR);
2584 e = fd < 0 ? errno : 0;
2588 printf("%d/%d: resvsp - open %s failed %d\n",
2589 procid, opno, f.path, e);
2593 if (fstat64(fd, &stb) < 0) {
2595 printf("%d/%d: resvsp - fstat64 %s failed %d\n",
2596 procid, opno, f.path, errno);
2601 inode_info(st, sizeof(st), &stb, v);
2602 lr = ((__int64_t)random() << 32) + random();
2603 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2605 fl.l_whence = SEEK_SET;
2607 fl.l_len = (off64_t)(random() % (1024 * 1024));
2608 e = xfsctl(f.path, fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
2610 printf("%d/%d: xfsctl(XFS_IOC_RESVSP64) %s%s %lld %lld %d\n",
2611 procid, opno, f.path, st,
2612 (long long)off, (long long)fl.l_len, e);
2618 rmdir_f(int opno, long r)
2626 if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
2628 printf("%d/%d: rmdir - no directory\n", procid, opno);
2632 e = rmdir_path(&f) < 0 ? errno : 0;
2635 del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
2637 printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
2639 printf("%d/%d: rmdir del entry: id=%d,parent=%d\n",
2640 procid, opno, fep->id, fep->parent);
2646 stat_f(int opno, long r)
2654 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
2656 printf("%d/%d: stat - no entries\n", procid, opno);
2660 e = lstat64_path(&f, &stb) < 0 ? errno : 0;
2663 printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
2668 symlink_f(int opno, long r)
2681 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2686 e = generate_fname(fep, FT_SYM, &f, &id, &v1);
2690 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2691 printf("%d/%d: symlink - no filename from %s\n",
2692 procid, opno, f.path);
2697 len = (int)(random() % PATH_MAX);
2698 val = malloc(len + 1);
2700 memset(val, 'x', len);
2702 for (i = 10; i < len - 1; i += 10)
2704 e = symlink_path(val, &f) < 0 ? errno : 0;
2707 add_to_flist(FT_SYM, id, parid);
2710 printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
2711 printf("%d/%d: symlink add id=%d,parent=%d\n", procid, opno, id, parid);
2718 sync_f(int opno, long r)
2722 printf("%d/%d: sync\n", procid, opno);
2726 truncate_f(int opno, long r)
2737 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2739 printf("%d/%d: truncate - no filename\n", procid, opno);
2743 e = stat64_path(&f, &stb) < 0 ? errno : 0;
2747 printf("%d/%d: truncate - stat64 %s failed %d\n",
2748 procid, opno, f.path, e);
2752 inode_info(st, sizeof(st), &stb, v);
2753 lr = ((__int64_t)random() << 32) + random();
2754 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2756 e = truncate64_path(&f, off) < 0 ? errno : 0;
2759 printf("%d/%d: truncate %s%s %lld %d\n", procid, opno, f.path,
2760 st, (long long)off, e);
2765 unlink_f(int opno, long r)
2774 if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
2776 printf("%d/%d: unlink - no file\n", procid, opno);
2780 e = unlink_path(&f) < 0 ? errno : 0;
2783 del_from_flist(flp - flist, fep - flp->fents);
2785 printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
2787 printf("%d/%d: unlink del entry: id=%d,parent=%d\n",
2788 procid, opno, fep->id, fep->parent);
2794 unresvsp_f(int opno, long r)
2799 struct xfs_flock64 fl;
2807 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2809 printf("%d/%d: unresvsp - no filename\n", procid, opno);
2813 fd = open_path(&f, O_RDWR);
2814 e = fd < 0 ? errno : 0;
2818 printf("%d/%d: unresvsp - open %s failed %d\n",
2819 procid, opno, f.path, e);
2823 if (fstat64(fd, &stb) < 0) {
2825 printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
2826 procid, opno, f.path, errno);
2831 inode_info(st, sizeof(st), &stb, v);
2832 lr = ((__int64_t)random() << 32) + random();
2833 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2835 fl.l_whence = SEEK_SET;
2837 fl.l_len = (off64_t)(random() % (1 << 20));
2838 e = xfsctl(f.path, fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
2840 printf("%d/%d: xfsctl(XFS_IOC_UNRESVSP64) %s%s %lld %lld %d\n",
2841 procid, opno, f.path, st,
2842 (long long)off, (long long)fl.l_len, e);
2848 write_f(int opno, long r)
2862 if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
2864 printf("%d/%d: write - no filename\n", procid, opno);
2868 fd = open_path(&f, O_WRONLY);
2869 e = fd < 0 ? errno : 0;
2873 printf("%d/%d: write - open %s failed %d\n",
2874 procid, opno, f.path, e);
2878 if (fstat64(fd, &stb) < 0) {
2880 printf("%d/%d: write - fstat64 %s failed %d\n",
2881 procid, opno, f.path, errno);
2886 inode_info(st, sizeof(st), &stb, v);
2887 lr = ((__int64_t)random() << 32) + random();
2888 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2890 lseek64(fd, off, SEEK_SET);
2891 len = (random() % FILELEN_MAX) + 1;
2893 memset(buf, nameseq & 0xff, len);
2894 e = write(fd, buf, len) < 0 ? errno : 0;
2897 printf("%d/%d: write %s%s [%lld,%d] %d\n",
2898 procid, opno, f.path, st, (long long)off, (int)len, e);