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
23 #ifdef HAVE_ATTR_XATTR_H
24 #include <attr/xattr.h>
26 #ifdef HAVE_ATTR_ATTRIBUTES_H
27 #include <attr/attributes.h>
29 #ifdef HAVE_LINUX_FIEMAP_H
30 #include <linux/fiemap.h>
32 #ifndef HAVE_ATTR_LIST
33 #define attr_list(path, buf, size, flags, cursor) (errno = -ENOSYS, -1)
35 #ifdef HAVE_SYS_PRCTL_H
36 #include <sys/prctl.h>
39 #ifndef FS_IOC_GETFLAGS
40 #define FS_IOC_GETFLAGS _IOR('f', 1, long)
42 #ifndef FS_IOC_SETFLAGS
43 #define FS_IOC_SETFLAGS _IOW('f', 2, long)
47 #define XFS_ERRTAG_MAX 17
48 #define XFS_IDMODULO_MAX 31 /* user/group IDs (1 << x) */
49 #define XFS_PROJIDMODULO_MAX 16 /* project IDs (1 << x) */
51 #define FILELEN_MAX (32*4096)
96 typedef void (*opfnc_t)(int, long);
98 typedef struct opdesc {
106 typedef struct fent {
111 typedef struct flist {
118 typedef struct pathname {
128 struct print_string {
135 #define FT_DIRm (1 << FT_DIR)
137 #define FT_REGm (1 << FT_REG)
139 #define FT_SYMm (1 << FT_SYM)
141 #define FT_DEVm (1 << FT_DEV)
143 #define FT_RTFm (1 << FT_RTF)
145 #define FT_ANYm ((1 << FT_nft) - 1)
146 #define FT_REGFILE (FT_REGm | FT_RTFm)
147 #define FT_NOTDIR (FT_ANYm & ~FT_DIRm)
149 #define FLIST_SLOT_INCR 16
152 #define MAXFSIZE ((1ULL << 63) - 1ULL)
153 #define MAXFSIZE32 ((1ULL << 40) - 1ULL)
155 void allocsp_f(int, long);
156 void attr_remove_f(int, long);
157 void attr_set_f(int, long);
158 void bulkstat_f(int, long);
159 void bulkstat1_f(int, long);
160 void chown_f(int, long);
161 void creat_f(int, long);
162 void dread_f(int, long);
163 void dwrite_f(int, long);
164 void fallocate_f(int, long);
165 void fdatasync_f(int, long);
166 void fiemap_f(int, long);
167 void freesp_f(int, long);
168 void fsync_f(int, long);
169 void getattr_f(int, long);
170 void getdents_f(int, long);
171 void link_f(int, long);
172 void mkdir_f(int, long);
173 void mknod_f(int, long);
174 void mread_f(int, long);
175 void mwrite_f(int, long);
176 void punch_f(int, long);
177 void zero_f(int, long);
178 void collapse_f(int, long);
179 void insert_f(int, long);
180 void read_f(int, long);
181 void readlink_f(int, long);
182 void rename_f(int, long);
183 void resvsp_f(int, long);
184 void rmdir_f(int, long);
185 void setattr_f(int, long);
186 void setxattr_f(int, long);
187 void stat_f(int, long);
188 void symlink_f(int, long);
189 void sync_f(int, long);
190 void truncate_f(int, long);
191 void unlink_f(int, long);
192 void unresvsp_f(int, long);
193 void write_f(int, long);
196 /* { OP_ENUM, "name", function, freq, iswrite }, */
197 { OP_ALLOCSP, "allocsp", allocsp_f, 1, 1 },
198 { OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1 },
199 { OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1 },
200 { OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0 },
201 { OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0 },
202 { OP_CHOWN, "chown", chown_f, 3, 1 },
203 { OP_CREAT, "creat", creat_f, 4, 1 },
204 { OP_DREAD, "dread", dread_f, 4, 0 },
205 { OP_DWRITE, "dwrite", dwrite_f, 4, 1 },
206 { OP_FALLOCATE, "fallocate", fallocate_f, 1, 1 },
207 { OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1 },
208 { OP_FIEMAP, "fiemap", fiemap_f, 1, 1 },
209 { OP_FREESP, "freesp", freesp_f, 1, 1 },
210 { OP_FSYNC, "fsync", fsync_f, 1, 1 },
211 { OP_GETATTR, "getattr", getattr_f, 1, 0 },
212 { OP_GETDENTS, "getdents", getdents_f, 1, 0 },
213 { OP_LINK, "link", link_f, 1, 1 },
214 { OP_MKDIR, "mkdir", mkdir_f, 2, 1 },
215 { OP_MKNOD, "mknod", mknod_f, 2, 1 },
216 { OP_MREAD, "mread", mread_f, 2, 0 },
217 { OP_MWRITE, "mwrite", mwrite_f, 2, 1 },
218 { OP_PUNCH, "punch", punch_f, 1, 1 },
219 { OP_ZERO, "zero", zero_f, 1, 1 },
220 { OP_COLLAPSE, "collapse", collapse_f, 1, 1 },
221 { OP_INSERT, "insert", insert_f, 1, 1 },
222 { OP_READ, "read", read_f, 1, 0 },
223 { OP_READLINK, "readlink", readlink_f, 1, 0 },
224 { OP_RENAME, "rename", rename_f, 2, 1 },
225 { OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
226 { OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
227 { OP_SETATTR, "setattr", setattr_f, 0, 1 },
228 { OP_SETXATTR, "setxattr", setxattr_f, 1, 1 },
229 { OP_STAT, "stat", stat_f, 1, 0 },
230 { OP_SYMLINK, "symlink", symlink_f, 2, 1 },
231 { OP_SYNC, "sync", sync_f, 1, 1 },
232 { OP_TRUNCATE, "truncate", truncate_f, 2, 1 },
233 { OP_UNLINK, "unlink", unlink_f, 1, 1 },
234 { OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
235 { OP_WRITE, "write", write_f, 4, 1 },
238 flist_t flist[FT_nft] = {
251 xfs_fsop_geom_t geom;
262 unsigned int idmodulo = XFS_IDMODULO_MAX;
263 unsigned int attr_mask = ~0;
266 unsigned long seed = 0;
270 int verifiable_log = 0;
271 sig_atomic_t should_stop = 0;
272 sigjmp_buf *sigbus_jmp = NULL;
273 char *execute_cmd = NULL;
274 int execute_freq = 1;
275 struct print_string flag_str = {0};
277 void add_to_flist(int, int, int);
278 void append_pathname(pathname_t *, char *);
279 int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
280 int attr_remove_path(pathname_t *, const char *, int);
281 int attr_set_path(pathname_t *, const char *, const char *, const int, int);
282 void check_cwd(void);
283 int creat_path(pathname_t *, mode_t);
284 void dcache_enter(int, int);
285 void dcache_init(void);
286 fent_t *dcache_lookup(int);
287 void dcache_purge(int);
288 void del_from_flist(int, int);
289 int dirid_to_name(char *, int);
291 int fent_to_name(pathname_t *, flist_t *, fent_t *);
292 void fix_parent(int, int);
293 void free_pathname(pathname_t *);
294 int generate_fname(fent_t *, int, pathname_t *, int *, int *);
295 int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
296 void init_pathname(pathname_t *);
297 int lchown_path(pathname_t *, uid_t, gid_t);
298 int link_path(pathname_t *, pathname_t *);
299 int lstat64_path(pathname_t *, struct stat64 *);
300 void make_freq_table(void);
301 int mkdir_path(pathname_t *, mode_t);
302 int mknod_path(pathname_t *, mode_t, dev_t);
303 void namerandpad(int, char *, int);
304 int open_path(pathname_t *, int);
305 DIR *opendir_path(pathname_t *);
306 void process_freq(char *);
307 int readlink_path(pathname_t *, char *, size_t);
308 int rename_path(pathname_t *, pathname_t *);
309 int rmdir_path(pathname_t *);
310 void separate_pathname(pathname_t *, char *, pathname_t *);
311 void show_ops(int, char *);
312 int stat64_path(pathname_t *, struct stat64 *);
313 int symlink_path(const char *, pathname_t *);
314 int truncate64_path(pathname_t *, off64_t);
315 int unlink_path(pathname_t *);
317 void write_freq(void);
318 void zero_freq(void);
320 void sg_handler(int signum)
328 * Only handle SIGBUS when mmap write to a hole and no
329 * block can be allocated due to ENOSPC, abort otherwise.
332 siglongjmp(*sigbus_jmp, -1);
334 printf("Unknown SIGBUS is caught, Abort!\n");
337 /* should not reach here */
344 int main(int argc, char **argv)
348 char *dirname = NULL;
349 char *logname = NULL;
350 char rpath[PATH_MAX];
359 xfs_error_injection_t err_inj;
360 struct sigaction action;
362 const char *allopts = "cd:e:f:i:l:m:M:n:o:p:rs:S:vVwx:X:zH";
364 errrange = errtag = 0;
366 nops = sizeof(ops) / sizeof(ops[0]);
367 ops_end = &ops[nops];
369 while ((c = getopt(argc, argv, allopts)) != -1) {
378 sscanf(optarg, "%d", &errtag);
382 } else if (errtag == 0)
384 if (errtag >= XFS_ERRTAG_MAX) {
386 "error tag %d too large (max %d)\n",
387 errtag, XFS_ERRTAG_MAX - 1);
392 process_freq(optarg);
395 ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
396 ilist[ilistlen - 1] = strtol(optarg, &p, 16);
399 idmodulo = strtoul(optarg, NULL, 0);
400 if (idmodulo > XFS_IDMODULO_MAX) {
402 "chown modulo %d too big (max %d)\n",
403 idmodulo, XFS_IDMODULO_MAX);
408 loops = atoi(optarg);
411 operations = atoi(optarg);
418 nproc = atoi(optarg);
424 seed = strtoul(optarg, NULL, 0);
433 execute_cmd = optarg;
439 attr_mask = strtoul(optarg, NULL, 0);
443 if (optarg[0] == 'c')
454 execute_freq = strtoul(optarg, NULL, 0);
457 fprintf(stderr, "%s - invalid parameters\n",
467 /* no directory specified */
468 if (!nousage) usage();
472 (void)mkdir(dirname, 0777);
473 if (logname && logname[0] != '/') {
474 if (getcwd(rpath, sizeof(rpath)) < 0){
475 perror("getcwd failed");
481 if (chdir(dirname) < 0) {
487 snprintf(path, sizeof(path), "%s/%s", rpath, logname);
488 if (freopen(path, "a", stdout) == NULL) {
489 perror("freopen logfile failed");
493 sprintf(buf, "fss%x", (unsigned int)getpid());
494 fd = creat(buf, 0666);
495 if (lseek64(fd, (off64_t)(MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
496 maxfsize = (off64_t)MAXFSIZE32;
498 maxfsize = (off64_t)MAXFSIZE;
503 gettimeofday(&t, (void *)NULL);
504 seed = (int)t.tv_sec ^ (int)t.tv_usec;
505 printf("seed = %ld\n", seed);
507 i = xfsctl(buf, fd, XFS_IOC_FSGEOMETRY, &geom);
508 if (i >= 0 && geom.rtblocks)
509 rtpct = MIN(MAX(geom.rtblocks * 100 /
510 (geom.rtblocks + geom.datablocks), 1), 99);
519 for (i = 0; i < j; i++)
522 errtag = (random() % (XFS_ERRTAG_MAX-1)) + 1;
528 for (i = 0; i < j; i++)
531 errtag += (random() % (XFS_ERRTAG_MAX - errtag));
533 printf("Injecting failure on tag #%d\n", errtag);
534 err_inj.errtag = errtag;
536 srval = xfsctl(buf, fd, XFS_IOC_ERROR_INJECTION, &err_inj);
538 perror("fsstress - XFS_SYSSGI error injection call");
547 action.sa_handler = sg_handler;
548 sigemptyset(&action.sa_mask);
550 if (sigaction(SIGTERM, &action, 0)) {
551 perror("sigaction failed");
555 for (i = 0; i < nproc; i++) {
557 sigemptyset(&action.sa_mask);
558 action.sa_handler = SIG_DFL;
559 if (sigaction(SIGTERM, &action, 0))
561 action.sa_handler = sg_handler;
562 if (sigaction(SIGBUS, &action, 0))
564 #ifdef HAVE_SYS_PRCTL_H
565 prctl(PR_SET_PDEATHSIG, SIGKILL);
566 if (getppid() == 1) /* parent died already? */
571 snprintf(path, sizeof(path), "%s/%s.%d",
573 if (freopen(path, "a", stdout) == NULL) {
574 perror("freopen logfile failed");
579 for (i = 0; !loops || (i < loops); i++)
584 while (wait(&stat) > 0 && !should_stop) {
587 action.sa_flags = SA_RESTART;
588 sigaction(SIGTERM, &action, 0);
589 kill(-getpid(), SIGTERM);
590 while (wait(&stat) > 0)
596 srval = xfsctl(buf, fd, XFS_IOC_ERROR_CLEARALL, &err_inj);
598 fprintf(stderr, "Bad ej clear on %s fd=%d (%d).\n",
600 perror("xfsctl(XFS_IOC_ERROR_CLEARALL)");
612 add_string(struct print_string *str, const char *add)
614 int len = strlen(add);
619 if (len > (str->max - 1) - str->len) {
620 str->len = str->max - 1;
624 memcpy(str->buffer + str->len, add, len);
626 str->buffer[str->len] = '\0';
632 translate_flags(int flags, const char *delim,
633 const struct print_flags *flag_array)
635 int i, mask, first = 1;
638 if (!flag_str.buffer) {
639 flag_str.buffer = malloc(4096);
643 if (!flag_str.buffer)
646 flag_str.buffer[0] = '\0';
648 for (i = 0; flag_array[i].name && flags; i++) {
649 mask = flag_array[i].mask;
650 if ((flags & mask) != mask)
653 add = flag_array[i].name;
656 add_string(&flag_str, delim);
659 add_string(&flag_str, add);
662 /* Check whether there are any leftover flags. */
668 add_string(&flag_str, delim);
670 ret = snprintf(number, 11, "0x%x", flags) > 0;
671 if (ret > 0 && ret <= 11)
672 add_string(&flag_str, number);
675 return flag_str.buffer;
679 add_to_flist(int ft, int id, int parent)
685 if (ftp->nfiles == ftp->nslots) {
686 ftp->nslots += FLIST_SLOT_INCR;
687 ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
689 fep = &ftp->fents[ftp->nfiles++];
691 fep->parent = parent;
695 append_pathname(pathname_t *name, char *str)
701 /* attempting to append to a dir a zero length path */
702 if (len && *str == '/' && name->len == 0) {
703 fprintf(stderr, "fsstress: append_pathname failure\n");
709 name->path = realloc(name->path, name->len + 1 + len);
710 strcpy(&name->path[name->len], str);
715 attr_list_path(pathname_t *name,
717 const int buffersize,
719 attrlist_cursor_t *cursor)
721 char buf[NAME_MAX + 1];
725 if (flags != ATTR_DONTFOLLOW) {
730 rval = attr_list(name->path, buffer, buffersize, flags, cursor);
731 if (rval >= 0 || errno != ENAMETOOLONG)
733 separate_pathname(name, buf, &newname);
734 if (chdir(buf) == 0) {
735 rval = attr_list_path(&newname, buffer, buffersize, flags, cursor);
738 free_pathname(&newname);
743 attr_remove_path(pathname_t *name, const char *attrname, int flags)
745 char buf[NAME_MAX + 1];
749 rval = attr_remove(name->path, attrname, flags);
750 if (rval >= 0 || errno != ENAMETOOLONG)
752 separate_pathname(name, buf, &newname);
753 if (chdir(buf) == 0) {
754 rval = attr_remove_path(&newname, attrname, flags);
757 free_pathname(&newname);
762 attr_set_path(pathname_t *name, const char *attrname, const char *attrvalue,
763 const int valuelength, int flags)
765 char buf[NAME_MAX + 1];
769 rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
770 if (rval >= 0 || errno != ENAMETOOLONG)
772 separate_pathname(name, buf, &newname);
773 if (chdir(buf) == 0) {
774 rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
778 free_pathname(&newname);
786 struct stat64 statbuf;
788 if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
791 fprintf(stderr, "fsstress: check_cwd failure\n");
798 creat_path(pathname_t *name, mode_t mode)
800 char buf[NAME_MAX + 1];
804 rval = creat(name->path, mode);
805 if (rval >= 0 || errno != ENAMETOOLONG)
807 separate_pathname(name, buf, &newname);
808 if (chdir(buf) == 0) {
809 rval = creat_path(&newname, mode);
812 free_pathname(&newname);
817 dcache_enter(int dirid, int slot)
819 dcache[dirid % NDCACHE] = slot;
827 for (i = 0; i < NDCACHE; i++)
832 dcache_lookup(int dirid)
837 i = dcache[dirid % NDCACHE];
838 if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
844 dcache_purge(int dirid)
848 dcp = &dcache[dirid % NDCACHE];
849 if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
854 * Delete the item from the list by
855 * moving last entry over the deleted one;
856 * unless deleted entry is the last one.
857 * Input: which file list array and which slot in array
860 del_from_flist(int ft, int slot)
866 dcache_purge(ftp->fents[slot].id);
867 if (slot != ftp->nfiles - 1) {
869 dcache_purge(ftp->fents[ftp->nfiles - 1].id);
870 ftp->fents[slot] = ftp->fents[--ftp->nfiles];
876 dirid_to_fent(int dirid)
882 if ((fep = dcache_lookup(dirid)))
884 flp = &flist[FT_DIR];
885 for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
886 if (fep->id == dirid) {
887 dcache_enter(dirid, fep - flp->fents);
897 struct stat64 statbuf;
905 dividend = (operations + execute_freq) / (execute_freq + 1);
906 sprintf(buf, "p%x", procid);
907 (void)mkdir(buf, 0777);
908 if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
912 top_ino = statbuf.st_ino;
913 homedir = getcwd(NULL, -1);
918 for (opno = 0; opno < operations; opno++) {
919 if (execute_cmd && opno && opno % dividend == 0) {
921 printf("%d: execute command %s\n", opno,
923 rval = system(execute_cmd);
925 fprintf(stderr, "execute command failed with "
928 p = &ops[freq_table[random() % freq_table_size]];
929 p->func(opno, random());
931 * test for forced shutdown by stat'ing the test
932 * directory. If this stat returns EIO, assume
933 * the forced shutdown happened.
935 if (errtag != 0 && opno % 100 == 0) {
936 rval = stat64(".", &statbuf);
938 fprintf(stderr, "Detected EIO\n");
946 sprintf(cmd, "rm -rf %s", buf);
952 * build up a pathname going thru the file entry and all
954 * Return 0 on error, 1 on success;
957 fent_to_name(pathname_t *name, flist_t *flp, fent_t *fep)
959 char buf[NAME_MAX + 1];
967 /* build up parent directory name */
968 if (fep->parent != -1) {
969 pfep = dirid_to_fent(fep->parent);
972 fprintf(stderr, "%d: fent-id = %d: can't find parent id: %d\n",
973 procid, fep->id, fep->parent);
978 e = fent_to_name(name, &flist[FT_DIR], pfep);
981 append_pathname(name, "/");
984 i = sprintf(buf, "%c%x", flp->tag, fep->id);
985 namerandpad(fep->id, buf, i);
986 append_pathname(name, buf);
991 fix_parent(int oldid, int newid)
998 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
999 for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
1000 if (fep->parent == oldid)
1001 fep->parent = newid;
1007 free_pathname(pathname_t *name)
1017 * Generate a filename of type ft.
1018 * If we have a fep which should be a directory then use it
1019 * as the parent path for this new filename i.e. prepend with it.
1022 generate_fname(fent_t *fep, int ft, pathname_t *name, int *idp, int *v)
1024 char buf[NAME_MAX + 1];
1033 len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
1034 namerandpad(id, buf, len);
1036 /* prepend fep parent dir-name to it */
1038 e = fent_to_name(name, &flist[FT_DIR], fep);
1041 append_pathname(name, "/");
1043 append_pathname(name, buf);
1047 for (j = 0; !*v && j < ilistlen; j++) {
1048 if (ilist[j] == id) {
1058 * Input: "which" to choose the file-types eg. non-directory
1059 * Input: "r" to choose which file
1060 * Output: file-list, file-entry, name for the chosen file.
1061 * Output: verbose if chosen file is on the ilist.
1064 get_fname(int which, long r, pathname_t *name, flist_t **flpp, fent_t **fepp,
1067 int totalsum = 0; /* total number of matching files */
1068 int partialsum = 0; /* partial sum of matching files */
1074 int e = 1; /* success */
1077 * go thru flist and add up number of files for each
1078 * category that matches with <which>.
1080 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
1081 if (which & (1 << i))
1082 totalsum += flp->nfiles;
1084 if (totalsum == 0) {
1094 * Now we have possible matches between 0..totalsum-1.
1095 * And we use r to help us choose which one we want,
1096 * which when bounded by totalsum becomes x.
1098 x = (int)(r % totalsum);
1099 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
1100 if (which & (1 << i)) {
1101 if (x < partialsum + flp->nfiles) {
1103 /* found the matching file entry */
1104 fep = &flp->fents[x - partialsum];
1106 /* fill-in what we were asked for */
1108 e = fent_to_name(name, flp, fep);
1111 fprintf(stderr, "%d: failed to get path for entry:"
1112 " id=%d,parent=%d\n",
1113 procid, fep->id, fep->parent);
1122 /* turn on verbose if its an ilisted file */
1124 for (j = 0; !*v && j < ilistlen; j++) {
1125 if (ilist[j] == fep->id) {
1132 partialsum += flp->nfiles;
1136 fprintf(stderr, "fsstress: get_fname failure\n");
1143 init_pathname(pathname_t *name)
1150 lchown_path(pathname_t *name, uid_t owner, gid_t group)
1152 char buf[NAME_MAX + 1];
1156 rval = lchown(name->path, owner, group);
1157 if (rval >= 0 || errno != ENAMETOOLONG)
1159 separate_pathname(name, buf, &newname);
1160 if (chdir(buf) == 0) {
1161 rval = lchown_path(&newname, owner, group);
1164 free_pathname(&newname);
1169 link_path(pathname_t *name1, pathname_t *name2)
1171 char buf1[NAME_MAX + 1];
1172 char buf2[NAME_MAX + 1];
1174 pathname_t newname1;
1175 pathname_t newname2;
1178 rval = link(name1->path, name2->path);
1179 if (rval >= 0 || errno != ENAMETOOLONG)
1181 separate_pathname(name1, buf1, &newname1);
1182 separate_pathname(name2, buf2, &newname2);
1183 if (strcmp(buf1, buf2) == 0) {
1184 if (chdir(buf1) == 0) {
1185 rval = link_path(&newname1, &newname2);
1189 if (strcmp(buf1, "..") == 0)
1191 else if (strcmp(buf2, "..") == 0)
1193 else if (strlen(buf1) == 0)
1195 else if (strlen(buf2) == 0)
1198 down1 = MAX(newname1.len, 3 + name2->len) <=
1199 MAX(3 + name1->len, newname2.len);
1201 free_pathname(&newname2);
1202 append_pathname(&newname2, "../");
1203 append_pathname(&newname2, name2->path);
1204 if (chdir(buf1) == 0) {
1205 rval = link_path(&newname1, &newname2);
1209 free_pathname(&newname1);
1210 append_pathname(&newname1, "../");
1211 append_pathname(&newname1, name1->path);
1212 if (chdir(buf2) == 0) {
1213 rval = link_path(&newname1, &newname2);
1218 free_pathname(&newname1);
1219 free_pathname(&newname2);
1224 lstat64_path(pathname_t *name, struct stat64 *sbuf)
1226 char buf[NAME_MAX + 1];
1230 rval = lstat64(name->path, sbuf);
1231 if (rval >= 0 || errno != ENAMETOOLONG)
1233 separate_pathname(name, buf, &newname);
1234 if (chdir(buf) == 0) {
1235 rval = lstat64_path(&newname, sbuf);
1238 free_pathname(&newname);
1243 make_freq_table(void)
1249 for (p = ops, f = 0; p < ops_end; p++)
1251 freq_table = malloc(f * sizeof(*freq_table));
1252 freq_table_size = f;
1253 for (p = ops, i = 0; p < ops_end; p++) {
1254 for (f = 0; f < p->freq; f++, i++)
1255 freq_table[i] = p->op;
1260 mkdir_path(pathname_t *name, mode_t mode)
1262 char buf[NAME_MAX + 1];
1266 rval = mkdir(name->path, mode);
1267 if (rval >= 0 || errno != ENAMETOOLONG)
1269 separate_pathname(name, buf, &newname);
1270 if (chdir(buf) == 0) {
1271 rval = mkdir_path(&newname, mode);
1274 free_pathname(&newname);
1279 mknod_path(pathname_t *name, mode_t mode, dev_t dev)
1281 char buf[NAME_MAX + 1];
1285 rval = mknod(name->path, mode, dev);
1286 if (rval >= 0 || errno != ENAMETOOLONG)
1288 separate_pathname(name, buf, &newname);
1289 if (chdir(buf) == 0) {
1290 rval = mknod_path(&newname, mode, dev);
1293 free_pathname(&newname);
1298 namerandpad(int id, char *buf, int i)
1301 static int buckets[] =
1302 { 2, 4, 8, 16, 32, 64, 128, NAME_MAX };
1308 bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
1309 padmod = buckets[bucket] + 1 - i;
1312 padlen = (id ^ namerand) % padmod;
1314 memset(&buf[i], 'X', padlen);
1315 buf[i + padlen] = '\0';
1320 open_path(pathname_t *name, int oflag)
1322 char buf[NAME_MAX + 1];
1326 rval = open(name->path, oflag);
1327 if (rval >= 0 || errno != ENAMETOOLONG)
1329 separate_pathname(name, buf, &newname);
1330 if (chdir(buf) == 0) {
1331 rval = open_path(&newname, oflag);
1334 free_pathname(&newname);
1339 opendir_path(pathname_t *name)
1341 char buf[NAME_MAX + 1];
1345 rval = opendir(name->path);
1346 if (rval || errno != ENAMETOOLONG)
1348 separate_pathname(name, buf, &newname);
1349 if (chdir(buf) == 0) {
1350 rval = opendir_path(&newname);
1353 free_pathname(&newname);
1358 process_freq(char *arg)
1363 s = strchr(arg, '=');
1365 fprintf(stderr, "bad argument '%s'\n", arg);
1369 for (p = ops; p < ops_end; p++) {
1370 if (strcmp(arg, p->name) == 0) {
1375 fprintf(stderr, "can't find op type %s for -f\n", arg);
1380 readlink_path(pathname_t *name, char *lbuf, size_t lbufsiz)
1382 char buf[NAME_MAX + 1];
1386 rval = readlink(name->path, lbuf, lbufsiz);
1387 if (rval >= 0 || errno != ENAMETOOLONG)
1389 separate_pathname(name, buf, &newname);
1390 if (chdir(buf) == 0) {
1391 rval = readlink_path(&newname, lbuf, lbufsiz);
1394 free_pathname(&newname);
1399 rename_path(pathname_t *name1, pathname_t *name2)
1401 char buf1[NAME_MAX + 1];
1402 char buf2[NAME_MAX + 1];
1404 pathname_t newname1;
1405 pathname_t newname2;
1408 rval = rename(name1->path, name2->path);
1409 if (rval >= 0 || errno != ENAMETOOLONG)
1411 separate_pathname(name1, buf1, &newname1);
1412 separate_pathname(name2, buf2, &newname2);
1413 if (strcmp(buf1, buf2) == 0) {
1414 if (chdir(buf1) == 0) {
1415 rval = rename_path(&newname1, &newname2);
1419 if (strcmp(buf1, "..") == 0)
1421 else if (strcmp(buf2, "..") == 0)
1423 else if (strlen(buf1) == 0)
1425 else if (strlen(buf2) == 0)
1428 down1 = MAX(newname1.len, 3 + name2->len) <=
1429 MAX(3 + name1->len, newname2.len);
1431 free_pathname(&newname2);
1432 append_pathname(&newname2, "../");
1433 append_pathname(&newname2, name2->path);
1434 if (chdir(buf1) == 0) {
1435 rval = rename_path(&newname1, &newname2);
1439 free_pathname(&newname1);
1440 append_pathname(&newname1, "../");
1441 append_pathname(&newname1, name1->path);
1442 if (chdir(buf2) == 0) {
1443 rval = rename_path(&newname1, &newname2);
1448 free_pathname(&newname1);
1449 free_pathname(&newname2);
1454 rmdir_path(pathname_t *name)
1456 char buf[NAME_MAX + 1];
1460 rval = rmdir(name->path);
1461 if (rval >= 0 || errno != ENAMETOOLONG)
1463 separate_pathname(name, buf, &newname);
1464 if (chdir(buf) == 0) {
1465 rval = rmdir_path(&newname);
1468 free_pathname(&newname);
1473 separate_pathname(pathname_t *name, char *buf, pathname_t *newname)
1477 init_pathname(newname);
1478 slash = strchr(name->path, '/');
1479 if (slash == NULL) {
1484 strcpy(buf, name->path);
1486 append_pathname(newname, slash + 1);
1492 show_ops(int flag, char *lead_str)
1497 /* print in list form */
1500 for (p = ops; p < ops_end; p++) {
1501 if (lead_str != NULL && x+strlen(p->name)>=WIDTH-5)
1502 x=printf("%s%s", (p==ops)?"":"\n", lead_str);
1503 x+=printf("%s ", p->name);
1506 } else if (flag == 0) {
1507 /* Table view style */
1509 for (f = 0, p = ops; p < ops_end; p++)
1515 for (p = ops; p < ops_end; p++) {
1516 if (flag != 0 || p->freq > 0) {
1517 if (lead_str != NULL)
1518 printf("%s", lead_str);
1519 printf("%20s %d/%d %s\n",
1520 p->name, p->freq, f,
1521 (p->iswrite == 0) ? " " : "write op");
1525 /* Command line style */
1526 if (lead_str != NULL)
1527 printf("%s", lead_str);
1528 printf ("-z -s %ld -m %d -n %d -p %d \\\n", seed, idmodulo,
1530 for (p = ops; p < ops_end; p++)
1532 printf("-f %s=%d \\\n",p->name, p->freq);
1537 stat64_path(pathname_t *name, struct stat64 *sbuf)
1539 char buf[NAME_MAX + 1];
1543 rval = stat64(name->path, sbuf);
1544 if (rval >= 0 || errno != ENAMETOOLONG)
1546 separate_pathname(name, buf, &newname);
1547 if (chdir(buf) == 0) {
1548 rval = stat64_path(&newname, sbuf);
1551 free_pathname(&newname);
1556 symlink_path(const char *name1, pathname_t *name)
1558 char buf[NAME_MAX + 1];
1562 if (!strcmp(name1, name->path)) {
1563 printf("yikes! %s %s\n", name1, name->path);
1567 rval = symlink(name1, name->path);
1568 if (rval >= 0 || errno != ENAMETOOLONG)
1570 separate_pathname(name, buf, &newname);
1571 if (chdir(buf) == 0) {
1572 rval = symlink_path(name1, &newname);
1575 free_pathname(&newname);
1580 truncate64_path(pathname_t *name, off64_t length)
1582 char buf[NAME_MAX + 1];
1586 rval = truncate64(name->path, length);
1587 if (rval >= 0 || errno != ENAMETOOLONG)
1589 separate_pathname(name, buf, &newname);
1590 if (chdir(buf) == 0) {
1591 rval = truncate64_path(&newname, length);
1594 free_pathname(&newname);
1599 unlink_path(pathname_t *name)
1601 char buf[NAME_MAX + 1];
1605 rval = unlink(name->path);
1606 if (rval >= 0 || errno != ENAMETOOLONG)
1608 separate_pathname(name, buf, &newname);
1609 if (chdir(buf) == 0) {
1610 rval = unlink_path(&newname);
1613 free_pathname(&newname);
1620 printf("Usage: %s -H or\n", myprog);
1621 printf(" %s [-c][-d dir][-e errtg][-f op_name=freq][-l loops][-n nops]\n",
1623 printf(" [-p nproc][-r len][-s seed][-v][-w][-x cmd][-z][-S][-X ncmd]\n");
1625 printf(" -c clean up the test directory after each run\n");
1626 printf(" -d dir specifies the base directory for operations\n");
1627 printf(" -e errtg specifies error injection stuff\n");
1628 printf(" -f op_name=freq changes the frequency of option name to freq\n");
1629 printf(" the valid operation names are:\n");
1631 printf(" -i filenum get verbose output for this nth file object\n");
1632 printf(" -l loops specifies the no. of times the testrun should loop.\n");
1633 printf(" *use 0 for infinite (default 1)\n");
1634 printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
1635 printf(" -n nops specifies the no. of operations per process (default 1)\n");
1636 printf(" -o logfile specifies logfile name\n");
1637 printf(" -p nproc specifies the no. of processes (default 1)\n");
1638 printf(" -r specifies random name padding\n");
1639 printf(" -s seed specifies the seed for the random generator (default random)\n");
1640 printf(" -v specifies verbose mode\n");
1641 printf(" -w zeros frequencies of non-write operations\n");
1642 printf(" -x cmd execute command in the middle of operations\n");
1643 printf(" -z zeros frequencies of all operations\n");
1644 printf(" -S [c,t] prints the list of operations (omitting zero frequency) in command line or table style\n");
1645 printf(" -V specifies verifiable logging mode (omitting inode numbers)\n");
1646 printf(" -X ncmd number of calls to the -x command (default 1)\n");
1647 printf(" -H prints usage and exits\n");
1655 for (p = ops; p < ops_end; p++) {
1666 for (p = ops; p < ops_end; p++)
1670 void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
1673 snprintf(str, sz, "[%ld %ld %d %d %lld %lld]",
1674 verifiable_log ? -1: (long)s->st_ino,
1675 (long)s->st_nlink, s->st_uid, s->st_gid,
1676 (long long) s->st_blocks, (long long) s->st_size);
1680 allocsp_f(int opno, long r)
1685 struct xfs_flock64 fl;
1693 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1695 printf("%d/%d: allocsp - no filename\n", procid, opno);
1699 fd = open_path(&f, O_RDWR);
1700 e = fd < 0 ? errno : 0;
1704 printf("%d/%d: allocsp - open %s failed %d\n",
1705 procid, opno, f.path, e);
1709 if (fstat64(fd, &stb) < 0) {
1711 printf("%d/%d: allocsp - fstat64 %s failed %d\n",
1712 procid, opno, f.path, errno);
1717 inode_info(st, sizeof(st), &stb, v);
1718 lr = ((__int64_t)random() << 32) + random();
1719 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1721 fl.l_whence = SEEK_SET;
1724 e = xfsctl(f.path, fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
1726 printf("%d/%d: xfsctl(XFS_IOC_ALLOCSP64) %s%s %lld 0 %d\n",
1727 procid, opno, f.path, st, (long long)off, e);
1734 attr_remove_f(int opno, long r)
1736 attrlist_ent_t *aep;
1740 attrlist_cursor_t cursor;
1749 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1750 append_pathname(&f, ".");
1752 bzero(&cursor, sizeof(cursor));
1754 bzero(buf, sizeof(buf));
1755 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1759 alist = (attrlist_t *)buf;
1760 total += alist->al_count;
1761 } while (alist->al_more);
1764 printf("%d/%d: attr_remove - no attrs for %s\n",
1765 procid, opno, f.path);
1769 which = (int)(random() % total);
1770 bzero(&cursor, sizeof(cursor));
1774 bzero(buf, sizeof(buf));
1775 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
1779 alist = (attrlist_t *)buf;
1780 if (which < ent + alist->al_count) {
1781 aep = (attrlist_ent_t *)
1782 &buf[alist->al_offset[which - ent]];
1783 aname = aep->a_name;
1786 ent += alist->al_count;
1787 } while (alist->al_more);
1788 if (aname == NULL) {
1791 "%d/%d: attr_remove - name %d not found at %s\n",
1792 procid, opno, which, f.path);
1796 e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
1799 printf("%d/%d: attr_remove %s %s %d\n",
1800 procid, opno, f.path, aname, e);
1805 attr_set_f(int opno, long r)
1812 static int lengths[] = { 10, 100, 1000, 10000 };
1817 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1818 append_pathname(&f, ".");
1819 sprintf(aname, "a%x", nameseq++);
1820 li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
1821 len = (int)(random() % lengths[li]);
1825 memset(aval, nameseq & 0xff, len);
1826 e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
1831 printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
1837 bulkstat_f(int opno, long r)
1845 xfs_fsop_bulkreq_t bsr;
1848 nent = (r % 999) + 2;
1849 t = malloc(nent * sizeof(*t));
1850 fd = open(".", O_RDONLY);
1858 while (xfsctl(".", fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
1862 printf("%d/%d: bulkstat nent %d total %lld\n",
1863 procid, opno, nent, (long long)total);
1868 bulkstat1_f(int opno, long r)
1878 xfs_fsop_bulkreq_t bsr;
1881 good = random() & 1;
1883 /* use an inode we know exists */
1885 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1886 append_pathname(&f, ".");
1887 ino = stat64_path(&f, &s) < 0 ? (ino64_t)r : s.st_ino;
1892 * pick a random inode
1894 * note this can generate kernel warning messages
1895 * since bulkstat_one will read the disk block that
1896 * would contain a given inode even if that disk
1897 * block doesn't contain inodes.
1899 * this is detected later, but not until after the
1900 * warning is displayed.
1902 * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
1908 fd = open(".", O_RDONLY);
1914 e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
1916 printf("%d/%d: bulkstat1 %s ino %lld %d\n",
1917 procid, opno, good?"real":"random",
1918 verifiable_log ? -1LL : (long long)ino, e);
1923 chown_f(int opno, long r)
1933 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1934 append_pathname(&f, ".");
1935 u = (uid_t)random();
1936 g = (gid_t)random();
1937 nbits = (int)(random() % idmodulo);
1938 u &= (1 << nbits) - 1;
1939 g &= (1 << nbits) - 1;
1940 e = lchown_path(&f, u, g) < 0 ? errno : 0;
1943 printf("%d/%d: chown %s %d/%d %d\n", procid, opno, f.path, (int)u, (int)g, e);
1948 setxattr_f(int opno, long r)
1950 #ifdef XFS_XFLAG_EXTSIZE
1960 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1961 append_pathname(&f, ".");
1962 fd = open_path(&f, O_RDWR);
1963 e = fd < 0 ? errno : 0;
1968 e = MIN(idmodulo, XFS_PROJIDMODULO_MAX);
1969 nbits = (int)(random() % e);
1970 p &= (1 << nbits) - 1;
1972 if ((e = xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &fsx)) == 0) {
1974 e = xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &fsx);
1977 printf("%d/%d: setxattr %s %u %d\n", procid, opno, f.path, p, e);
1984 creat_f(int opno, long r)
1999 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
2004 e1 = (random() % 100);
2005 type = rtpct ? ((e1 > rtpct) ? FT_REG : FT_RTF) : FT_REG;
2007 if (type == FT_RTF) /* rt always gets an extsize */
2008 extsize = (random() % 10) + 1;
2009 else if (e1 < 10) /* one-in-ten get an extsize */
2010 extsize = random() % 1024;
2014 e = generate_fname(fep, type, &f, &id, &v);
2018 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2019 printf("%d/%d: creat - no filename from %s\n",
2020 procid, opno, f.path);
2025 fd = creat_path(&f, 0666);
2026 e = fd < 0 ? errno : 0;
2031 xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
2032 if (type == FT_RTF) {
2033 a.fsx_xflags |= XFS_XFLAG_REALTIME;
2034 a.fsx_extsize = extsize *
2035 geom.rtextsize * geom.blocksize;
2037 } else if (extsize) {
2038 a.fsx_xflags |= XFS_XFLAG_EXTSIZE;
2039 a.fsx_extsize = extsize * geom.blocksize;
2042 if (xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &a) < 0)
2045 add_to_flist(type, id, parid);
2049 printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
2050 extsize ? a.fsx_extsize : 0, e, e1);
2051 printf("%d/%d: creat add id=%d,parent=%d\n", procid, opno, id, parid);
2057 dread_f(int opno, long r)
2061 struct dioattr diob;
2074 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2076 printf("%d/%d: dread - no filename\n", procid, opno);
2080 fd = open_path(&f, O_RDONLY|O_DIRECT);
2081 e = fd < 0 ? errno : 0;
2085 printf("%d/%d: dread - open %s failed %d\n",
2086 procid, opno, f.path, e);
2090 if (fstat64(fd, &stb) < 0) {
2092 printf("%d/%d: dread - fstat64 %s failed %d\n",
2093 procid, opno, f.path, errno);
2098 inode_info(st, sizeof(st), &stb, v);
2099 if (stb.st_size == 0) {
2101 printf("%d/%d: dread - %s%s zero size\n", procid, opno,
2107 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
2110 "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s%s failed %d\n",
2111 procid, opno, f.path, st, errno);
2117 dio_env = getenv("XFS_DIO_MIN");
2119 diob.d_mem = diob.d_miniosz = atoi(dio_env);
2121 align = (__int64_t)diob.d_miniosz;
2122 lr = ((__int64_t)random() << 32) + random();
2123 off = (off64_t)(lr % stb.st_size);
2124 off -= (off % align);
2125 lseek64(fd, off, SEEK_SET);
2126 len = (random() % FILELEN_MAX) + 1;
2127 len -= (len % align);
2130 else if (len > diob.d_maxiosz)
2131 len = diob.d_maxiosz;
2132 buf = memalign(diob.d_mem, len);
2133 e = read(fd, buf, len) < 0 ? errno : 0;
2136 printf("%d/%d: dread %s%s [%lld,%d] %d\n",
2137 procid, opno, f.path, st, (long long)off, (int)len, e);
2143 dwrite_f(int opno, long r)
2147 struct dioattr diob;
2160 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2162 printf("%d/%d: dwrite - no filename\n", procid, opno);
2166 fd = open_path(&f, O_WRONLY|O_DIRECT);
2167 e = fd < 0 ? errno : 0;
2171 printf("%d/%d: dwrite - open %s failed %d\n",
2172 procid, opno, f.path, e);
2176 if (fstat64(fd, &stb) < 0) {
2178 printf("%d/%d: dwrite - fstat64 %s failed %d\n",
2179 procid, opno, f.path, errno);
2184 inode_info(st, sizeof(st), &stb, v);
2185 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
2187 printf("%d/%d: dwrite - xfsctl(XFS_IOC_DIOINFO)"
2188 " %s%s failed %d\n",
2189 procid, opno, f.path, st, errno);
2195 dio_env = getenv("XFS_DIO_MIN");
2197 diob.d_mem = diob.d_miniosz = atoi(dio_env);
2199 align = (__int64_t)diob.d_miniosz;
2200 lr = ((__int64_t)random() << 32) + random();
2201 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2202 off -= (off % align);
2203 lseek64(fd, off, SEEK_SET);
2204 len = (random() % FILELEN_MAX) + 1;
2205 len -= (len % align);
2208 else if (len > diob.d_maxiosz)
2209 len = diob.d_maxiosz;
2210 buf = memalign(diob.d_mem, len);
2212 lseek64(fd, off, SEEK_SET);
2213 memset(buf, nameseq & 0xff, len);
2214 e = write(fd, buf, len) < 0 ? errno : 0;
2217 printf("%d/%d: dwrite %s%s [%lld,%d] %d\n",
2218 procid, opno, f.path, st, (long long)off, (int)len, e);
2224 #ifdef HAVE_LINUX_FALLOC_H
2225 struct print_flags falloc_flags [] = {
2226 { FALLOC_FL_KEEP_SIZE, "KEEP_SIZE"},
2227 { FALLOC_FL_PUNCH_HOLE, "PUNCH_HOLE"},
2228 { FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"},
2229 { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"},
2230 { FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"},
2231 { FALLOC_FL_INSERT_RANGE, "INSERT_RANGE"},
2235 #define translate_falloc_flags(mode) \
2236 ({translate_flags(mode, "|", falloc_flags);})
2240 do_fallocate(int opno, long r, int mode)
2242 #ifdef HAVE_LINUX_FALLOC_H
2254 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2256 printf("%d/%d: do_fallocate - no filename\n", procid, opno);
2260 fd = open_path(&f, O_RDWR);
2263 printf("%d/%d: do_fallocate - open %s failed %d\n",
2264 procid, opno, f.path, errno);
2269 if (fstat64(fd, &stb) < 0) {
2271 printf("%d/%d: do_fallocate - fstat64 %s failed %d\n",
2272 procid, opno, f.path, errno);
2277 inode_info(st, sizeof(st), &stb, v);
2278 lr = ((__int64_t)random() << 32) + random();
2279 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2281 len = (off64_t)(random() % (1024 * 1024));
2283 * Collapse/insert range requires off and len to be block aligned,
2284 * make it more likely to be the case.
2286 if ((mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)) &&
2288 off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
2289 len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
2291 mode |= FALLOC_FL_KEEP_SIZE & random();
2292 e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
2294 printf("%d/%d: fallocate(%s) %s %st %lld %lld %d\n",
2295 procid, opno, translate_falloc_flags(mode),
2296 f.path, st, (long long)off, (long long)len, e);
2303 fallocate_f(int opno, long r)
2305 #ifdef HAVE_LINUX_FALLOC_H
2306 do_fallocate(opno, r, 0);
2311 fdatasync_f(int opno, long r)
2319 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2321 printf("%d/%d: fdatasync - no filename\n",
2326 fd = open_path(&f, O_WRONLY);
2327 e = fd < 0 ? errno : 0;
2331 printf("%d/%d: fdatasync - open %s failed %d\n",
2332 procid, opno, f.path, e);
2336 e = fdatasync(fd) < 0 ? errno : 0;
2338 printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
2343 #ifdef HAVE_LINUX_FIEMAP_H
2344 struct print_flags fiemap_flags[] = {
2345 { FIEMAP_FLAG_SYNC, "SYNC"},
2346 { FIEMAP_FLAG_XATTR, "XATTR"},
2350 #define translate_fiemap_flags(mode) \
2351 ({translate_flags(mode, "|", fiemap_flags);})
2355 fiemap_f(int opno, long r)
2357 #ifdef HAVE_LINUX_FIEMAP_H
2367 struct fiemap *fiemap;
2370 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2372 printf("%d/%d: fiemap - no filename\n", procid, opno);
2376 fd = open_path(&f, O_RDWR);
2377 e = fd < 0 ? errno : 0;
2381 printf("%d/%d: fiemap - open %s failed %d\n",
2382 procid, opno, f.path, e);
2386 if (fstat64(fd, &stb) < 0) {
2388 printf("%d/%d: fiemap - fstat64 %s failed %d\n",
2389 procid, opno, f.path, errno);
2394 inode_info(st, sizeof(st), &stb, v);
2395 blocks_to_map = random() & 0xffff;
2396 fiemap = (struct fiemap *)malloc(sizeof(struct fiemap) +
2397 (blocks_to_map * sizeof(struct fiemap_extent)));
2400 printf("%d/%d: malloc failed \n", procid, opno);
2405 lr = ((__int64_t)random() << 32) + random();
2406 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2408 fiemap->fm_flags = random() & (FIEMAP_FLAGS_COMPAT | 0x10000);
2409 fiemap->fm_extent_count = blocks_to_map;
2410 fiemap->fm_mapped_extents = random() & 0xffff;
2411 fiemap->fm_start = off;
2412 fiemap->fm_length = ((__int64_t)random() << 32) + random();
2414 e = ioctl(fd, FS_IOC_FIEMAP, (unsigned long)fiemap);
2416 printf("%d/%d: ioctl(FIEMAP) %s%s %lld %lld (%s) %d\n",
2417 procid, opno, f.path, st, (long long)fiemap->fm_start,
2418 (long long) fiemap->fm_length,
2419 translate_fiemap_flags(fiemap->fm_flags), e);
2427 freesp_f(int opno, long r)
2432 struct xfs_flock64 fl;
2440 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2442 printf("%d/%d: freesp - no filename\n", procid, opno);
2446 fd = open_path(&f, O_RDWR);
2447 e = fd < 0 ? errno : 0;
2451 printf("%d/%d: freesp - open %s failed %d\n",
2452 procid, opno, f.path, e);
2456 if (fstat64(fd, &stb) < 0) {
2458 printf("%d/%d: freesp - fstat64 %s failed %d\n",
2459 procid, opno, f.path, errno);
2464 inode_info(st, sizeof(st), &stb, v);
2465 lr = ((__int64_t)random() << 32) + random();
2466 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2468 fl.l_whence = SEEK_SET;
2471 e = xfsctl(f.path, fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
2473 printf("%d/%d: xfsctl(XFS_IOC_FREESP64) %s%s %lld 0 %d\n",
2474 procid, opno, f.path, st, (long long)off, e);
2480 fsync_f(int opno, long r)
2488 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2490 printf("%d/%d: fsync - no filename\n", procid, opno);
2494 fd = open_path(&f, O_WRONLY);
2495 e = fd < 0 ? errno : 0;
2499 printf("%d/%d: fsync - open %s failed %d\n",
2500 procid, opno, f.path, e);
2504 e = fsync(fd) < 0 ? errno : 0;
2506 printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
2512 getattr_f(int opno, long r)
2521 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2522 append_pathname(&f, ".");
2523 fd = open_path(&f, O_RDWR);
2524 e = fd < 0 ? errno : 0;
2527 e = ioctl(fd, FS_IOC_GETFLAGS, &fl);
2529 printf("%d/%d: getattr %s %u %d\n", procid, opno, f.path, fl, e);
2535 getdents_f(int opno, long r)
2542 if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
2543 append_pathname(&f, ".");
2544 dir = opendir_path(&f);
2548 printf("%d/%d: getdents - can't open %s\n",
2549 procid, opno, f.path);
2553 while (readdir64(dir) != NULL)
2556 printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
2562 link_f(int opno, long r)
2575 if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
2577 printf("%d/%d: link - no file\n", procid, opno);
2581 if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
2587 e = generate_fname(fep, flp - flist, &l, &id, &v1);
2591 (void)fent_to_name(&l, &flist[FT_DIR], fep);
2592 printf("%d/%d: link - no filename from %s\n",
2593 procid, opno, l.path);
2599 e = link_path(&f, &l) < 0 ? errno : 0;
2602 add_to_flist(flp - flist, id, parid);
2604 printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
2606 printf("%d/%d: link add id=%d,parent=%d\n", procid, opno, id, parid);
2613 mkdir_f(int opno, long r)
2623 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2628 e = generate_fname(fep, FT_DIR, &f, &id, &v1);
2632 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2633 printf("%d/%d: mkdir - no filename from %s\n",
2634 procid, opno, f.path);
2639 e = mkdir_path(&f, 0777) < 0 ? errno : 0;
2642 add_to_flist(FT_DIR, id, parid);
2644 printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
2645 printf("%d/%d: mkdir add id=%d,parent=%d\n", procid, opno, id, parid);
2651 mknod_f(int opno, long r)
2661 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2666 e = generate_fname(fep, FT_DEV, &f, &id, &v1);
2670 (void)fent_to_name(&f, &flist[FT_DIR], fep);
2671 printf("%d/%d: mknod - no filename from %s\n",
2672 procid, opno, f.path);
2677 e = mknod_path(&f, S_IFCHR|0444, 0) < 0 ? errno : 0;
2680 add_to_flist(FT_DEV, id, parid);
2682 printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
2683 printf("%d/%d: mknod add id=%d,parent=%d\n", procid, opno, id, parid);
2688 #ifdef HAVE_SYS_MMAN_H
2689 struct print_flags mmap_flags[] = {
2690 { MAP_SHARED, "SHARED"},
2691 { MAP_PRIVATE, "PRIVATE"},
2695 #define translate_mmap_flags(flags) \
2696 ({translate_flags(flags, "|", mmap_flags);})
2700 do_mmap(int opno, long r, int prot)
2702 #ifdef HAVE_SYS_MMAN_H
2714 sigjmp_buf sigbus_jmpbuf;
2717 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2719 printf("%d/%d: do_mmap - no filename\n", procid, opno);
2723 fd = open_path(&f, O_RDWR);
2724 e = fd < 0 ? errno : 0;
2728 printf("%d/%d: do_mmap - open %s failed %d\n",
2729 procid, opno, f.path, e);
2733 if (fstat64(fd, &stb) < 0) {
2735 printf("%d/%d: do_mmap - fstat64 %s failed %d\n",
2736 procid, opno, f.path, errno);
2741 inode_info(st, sizeof(st), &stb, v);
2742 if (stb.st_size == 0) {
2744 printf("%d/%d: do_mmap - %s%s zero size\n", procid, opno,
2751 lr = ((__int64_t)random() << 32) + random();
2752 off = (off64_t)(lr % stb.st_size);
2753 off &= (off64_t)(~(sysconf(_SC_PAGE_SIZE) - 1));
2754 len = (size_t)(random() % MIN(stb.st_size - off, FILELEN_MAX)) + 1;
2756 flags = (random() % 2) ? MAP_SHARED : MAP_PRIVATE;
2757 addr = mmap(NULL, len, prot, flags, fd, off);
2758 e = (addr == MAP_FAILED) ? errno : 0;
2761 printf("%d/%d: do_mmap - mmap failed %s%s [%lld,%d,%s] %d\n",
2762 procid, opno, f.path, st, (long long)off,
2763 (int)len, translate_mmap_flags(flags), e);
2769 if (prot & PROT_WRITE) {
2770 if ((e = sigsetjmp(sigbus_jmpbuf, 1)) == 0) {
2771 sigbus_jmp = &sigbus_jmpbuf;
2772 memset(addr, nameseq & 0xff, len);
2776 if ((buf = malloc(len)) != NULL) {
2777 memcpy(buf, addr, len);
2782 /* set NULL to stop other functions from doing siglongjmp */
2786 printf("%d/%d: %s %s%s [%lld,%d,%s] %s\n",
2787 procid, opno, (prot & PROT_WRITE) ? "mwrite" : "mread",
2788 f.path, st, (long long)off, (int)len,
2789 translate_mmap_flags(flags),
2790 (e == 0) ? "0" : "Bus error");
2798 mread_f(int opno, long r)
2800 #ifdef HAVE_SYS_MMAN_H
2801 do_mmap(opno, r, PROT_READ);
2806 mwrite_f(int opno, long r)
2808 #ifdef HAVE_SYS_MMAN_H
2809 do_mmap(opno, r, PROT_WRITE);
2814 punch_f(int opno, long r)
2816 #ifdef HAVE_LINUX_FALLOC_H
2817 do_fallocate(opno, r, FALLOC_FL_PUNCH_HOLE);
2822 zero_f(int opno, long r)
2824 #ifdef HAVE_LINUX_FALLOC_H
2825 do_fallocate(opno, r, FALLOC_FL_ZERO_RANGE);
2830 collapse_f(int opno, long r)
2832 #ifdef HAVE_LINUX_FALLOC_H
2833 do_fallocate(opno, r, FALLOC_FL_COLLAPSE_RANGE);
2838 insert_f(int opno, long r)
2840 #ifdef HAVE_LINUX_FALLOC_H
2841 do_fallocate(opno, r, FALLOC_FL_INSERT_RANGE);
2846 read_f(int opno, long r)
2860 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2862 printf("%d/%d: read - no filename\n", procid, opno);
2866 fd = open_path(&f, O_RDONLY);
2867 e = fd < 0 ? errno : 0;
2871 printf("%d/%d: read - open %s failed %d\n",
2872 procid, opno, f.path, e);
2876 if (fstat64(fd, &stb) < 0) {
2878 printf("%d/%d: read - fstat64 %s failed %d\n",
2879 procid, opno, f.path, errno);
2884 inode_info(st, sizeof(st), &stb, v);
2885 if (stb.st_size == 0) {
2887 printf("%d/%d: read - %s%s zero size\n", procid, opno,
2893 lr = ((__int64_t)random() << 32) + random();
2894 off = (off64_t)(lr % stb.st_size);
2895 lseek64(fd, off, SEEK_SET);
2896 len = (random() % FILELEN_MAX) + 1;
2898 e = read(fd, buf, len) < 0 ? errno : 0;
2901 printf("%d/%d: read %s%s [%lld,%d] %d\n",
2902 procid, opno, f.path, st, (long long)off, (int)len, e);
2908 readlink_f(int opno, long r)
2916 if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
2918 printf("%d/%d: readlink - no filename\n", procid, opno);
2922 e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
2925 printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
2930 rename_f(int opno, long r)
2944 /* get an existing path for the source of the rename */
2946 if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
2948 printf("%d/%d: rename - no filename\n", procid, opno);
2953 /* get an existing directory for the destination parent directory name */
2954 if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
2960 /* generate a new path using an existing parent directory in name */
2961 init_pathname(&newf);
2962 e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
2966 (void)fent_to_name(&f, &flist[FT_DIR], dfep);
2967 printf("%d/%d: rename - no filename from %s\n",
2968 procid, opno, f.path);
2970 free_pathname(&newf);
2974 e = rename_path(&f, &newf) < 0 ? errno : 0;
2977 if (flp - flist == FT_DIR) {
2979 fix_parent(oldid, id);
2981 del_from_flist(flp - flist, fep - flp->fents);
2982 add_to_flist(flp - flist, id, parid);
2985 printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
2988 printf("%d/%d: rename del entry: id=%d,parent=%d\n",
2989 procid, opno, fep->id, fep->parent);
2990 printf("%d/%d: rename add entry: id=%d,parent=%d\n",
2991 procid, opno, id, parid);
2994 free_pathname(&newf);
2999 resvsp_f(int opno, long r)
3004 struct xfs_flock64 fl;
3012 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3014 printf("%d/%d: resvsp - no filename\n", procid, opno);
3018 fd = open_path(&f, O_RDWR);
3019 e = fd < 0 ? errno : 0;
3023 printf("%d/%d: resvsp - open %s failed %d\n",
3024 procid, opno, f.path, e);
3028 if (fstat64(fd, &stb) < 0) {
3030 printf("%d/%d: resvsp - fstat64 %s failed %d\n",
3031 procid, opno, f.path, errno);
3036 inode_info(st, sizeof(st), &stb, v);
3037 lr = ((__int64_t)random() << 32) + random();
3038 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3040 fl.l_whence = SEEK_SET;
3042 fl.l_len = (off64_t)(random() % (1024 * 1024));
3043 e = xfsctl(f.path, fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
3045 printf("%d/%d: xfsctl(XFS_IOC_RESVSP64) %s%s %lld %lld %d\n",
3046 procid, opno, f.path, st,
3047 (long long)off, (long long)fl.l_len, e);
3053 rmdir_f(int opno, long r)
3061 if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
3063 printf("%d/%d: rmdir - no directory\n", procid, opno);
3067 e = rmdir_path(&f) < 0 ? errno : 0;
3070 del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
3072 printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
3074 printf("%d/%d: rmdir del entry: id=%d,parent=%d\n",
3075 procid, opno, fep->id, fep->parent);
3081 setattr_f(int opno, long r)
3090 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
3091 append_pathname(&f, ".");
3092 fd = open_path(&f, O_RDWR);
3093 e = fd < 0 ? errno : 0;
3096 fl = attr_mask & (uint)random();
3097 e = ioctl(fd, FS_IOC_SETFLAGS, &fl);
3099 printf("%d/%d: setattr %s %x %d\n", procid, opno, f.path, fl, e);
3105 stat_f(int opno, long r)
3113 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
3115 printf("%d/%d: stat - no entries\n", procid, opno);
3119 e = lstat64_path(&f, &stb) < 0 ? errno : 0;
3122 printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
3127 symlink_f(int opno, long r)
3140 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
3145 e = generate_fname(fep, FT_SYM, &f, &id, &v1);
3149 (void)fent_to_name(&f, &flist[FT_DIR], fep);
3150 printf("%d/%d: symlink - no filename from %s\n",
3151 procid, opno, f.path);
3156 len = (int)(random() % PATH_MAX);
3157 val = malloc(len + 1);
3159 memset(val, 'x', len);
3161 for (i = 10; i < len - 1; i += 10)
3163 e = symlink_path(val, &f) < 0 ? errno : 0;
3166 add_to_flist(FT_SYM, id, parid);
3169 printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
3170 printf("%d/%d: symlink add id=%d,parent=%d\n", procid, opno, id, parid);
3177 sync_f(int opno, long r)
3181 printf("%d/%d: sync\n", procid, opno);
3185 truncate_f(int opno, long r)
3196 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3198 printf("%d/%d: truncate - no filename\n", procid, opno);
3202 e = stat64_path(&f, &stb) < 0 ? errno : 0;
3206 printf("%d/%d: truncate - stat64 %s failed %d\n",
3207 procid, opno, f.path, e);
3211 inode_info(st, sizeof(st), &stb, v);
3212 lr = ((__int64_t)random() << 32) + random();
3213 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3215 e = truncate64_path(&f, off) < 0 ? errno : 0;
3218 printf("%d/%d: truncate %s%s %lld %d\n", procid, opno, f.path,
3219 st, (long long)off, e);
3224 unlink_f(int opno, long r)
3233 if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
3235 printf("%d/%d: unlink - no file\n", procid, opno);
3239 e = unlink_path(&f) < 0 ? errno : 0;
3242 del_from_flist(flp - flist, fep - flp->fents);
3244 printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
3246 printf("%d/%d: unlink del entry: id=%d,parent=%d\n",
3247 procid, opno, fep->id, fep->parent);
3253 unresvsp_f(int opno, long r)
3258 struct xfs_flock64 fl;
3266 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3268 printf("%d/%d: unresvsp - no filename\n", procid, opno);
3272 fd = open_path(&f, O_RDWR);
3273 e = fd < 0 ? errno : 0;
3277 printf("%d/%d: unresvsp - open %s failed %d\n",
3278 procid, opno, f.path, e);
3282 if (fstat64(fd, &stb) < 0) {
3284 printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
3285 procid, opno, f.path, errno);
3290 inode_info(st, sizeof(st), &stb, v);
3291 lr = ((__int64_t)random() << 32) + random();
3292 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3294 fl.l_whence = SEEK_SET;
3296 fl.l_len = (off64_t)(random() % (1 << 20));
3297 e = xfsctl(f.path, fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
3299 printf("%d/%d: xfsctl(XFS_IOC_UNRESVSP64) %s%s %lld %lld %d\n",
3300 procid, opno, f.path, st,
3301 (long long)off, (long long)fl.l_len, e);
3307 write_f(int opno, long r)
3321 if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
3323 printf("%d/%d: write - no filename\n", procid, opno);
3327 fd = open_path(&f, O_WRONLY);
3328 e = fd < 0 ? errno : 0;
3332 printf("%d/%d: write - open %s failed %d\n",
3333 procid, opno, f.path, e);
3337 if (fstat64(fd, &stb) < 0) {
3339 printf("%d/%d: write - fstat64 %s failed %d\n",
3340 procid, opno, f.path, errno);
3345 inode_info(st, sizeof(st), &stb, v);
3346 lr = ((__int64_t)random() << 32) + random();
3347 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3349 lseek64(fd, off, SEEK_SET);
3350 len = (random() % FILELEN_MAX) + 1;
3352 memset(buf, nameseq & 0xff, len);
3353 e = write(fd, buf, len) < 0 ? errno : 0;
3356 printf("%d/%d: write %s%s [%lld,%d] %d\n",
3357 procid, opno, f.path, st, (long long)off, (int)len, e);