1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2002 Silicon Graphics, Inc.
13 #ifdef HAVE_ATTR_ATTRIBUTES_H
14 #include <attr/attributes.h>
16 #ifdef HAVE_LINUX_FIEMAP_H
17 #include <linux/fiemap.h>
19 #ifndef HAVE_ATTR_LIST
20 #define attr_list(path, buf, size, flags, cursor) (errno = -ENOSYS, -1)
22 #ifdef HAVE_SYS_PRCTL_H
23 #include <sys/prctl.h>
29 #include <sys/syscall.h>
30 #include <sys/xattr.h>
32 #ifndef FS_IOC_GETFLAGS
33 #define FS_IOC_GETFLAGS _IOR('f', 1, long)
35 #ifndef FS_IOC_SETFLAGS
36 #define FS_IOC_SETFLAGS _IOW('f', 2, long)
40 #define XFS_ERRTAG_MAX 17
41 #define XFS_IDMODULO_MAX 31 /* user/group IDs (1 << x) */
42 #define XFS_PROJIDMODULO_MAX 16 /* project IDs (1 << x) */
47 #define FILELEN_MAX (32*4096)
105 typedef void (*opfnc_t)(int, long);
107 typedef struct opdesc {
115 typedef struct fent {
121 typedef struct flist {
128 typedef struct pathname {
138 struct print_string {
145 #define FT_DIRm (1 << FT_DIR)
147 #define FT_REGm (1 << FT_REG)
149 #define FT_SYMm (1 << FT_SYM)
151 #define FT_DEVm (1 << FT_DEV)
153 #define FT_RTFm (1 << FT_RTF)
155 #define FT_ANYm ((1 << FT_nft) - 1)
156 #define FT_REGFILE (FT_REGm | FT_RTFm)
157 #define FT_NOTDIR (FT_ANYm & ~FT_DIRm)
159 #define FLIST_SLOT_INCR 16
162 #define MAXFSIZE ((1ULL << 63) - 1ULL)
163 #define MAXFSIZE32 ((1ULL << 40) - 1ULL)
165 #define XATTR_NAME_BUF_SIZE 18
167 void afsync_f(int, long);
168 void allocsp_f(int, long);
169 void aread_f(int, long);
170 void attr_remove_f(int, long);
171 void attr_set_f(int, long);
172 void awrite_f(int, long);
173 void bulkstat_f(int, long);
174 void bulkstat1_f(int, long);
175 void chown_f(int, long);
176 void clonerange_f(int, long);
177 void copyrange_f(int, long);
178 void creat_f(int, long);
179 void deduperange_f(int, long);
180 void dread_f(int, long);
181 void dwrite_f(int, long);
182 void fallocate_f(int, long);
183 void fdatasync_f(int, long);
184 void fiemap_f(int, long);
185 void freesp_f(int, long);
186 void fsync_f(int, long);
187 char *gen_random_string(int);
188 void getattr_f(int, long);
189 void getdents_f(int, long);
190 void getfattr_f(int, long);
191 void link_f(int, long);
192 void listfattr_f(int, long);
193 void mkdir_f(int, long);
194 void mknod_f(int, long);
195 void mread_f(int, long);
196 void mwrite_f(int, long);
197 void punch_f(int, long);
198 void zero_f(int, long);
199 void collapse_f(int, long);
200 void insert_f(int, long);
201 void read_f(int, long);
202 void readlink_f(int, long);
203 void readv_f(int, long);
204 void removefattr_f(int, long);
205 void rename_f(int, long);
206 void resvsp_f(int, long);
207 void rmdir_f(int, long);
208 void setattr_f(int, long);
209 void setfattr_f(int, long);
210 void setxattr_f(int, long);
211 void splice_f(int, long);
212 void stat_f(int, long);
213 void symlink_f(int, long);
214 void sync_f(int, long);
215 void truncate_f(int, long);
216 void unlink_f(int, long);
217 void unresvsp_f(int, long);
218 void write_f(int, long);
219 void writev_f(int, long);
220 char *xattr_flag_to_string(int);
223 /* { OP_ENUM, "name", function, freq, iswrite }, */
224 { OP_AFSYNC, "afsync", afsync_f, 0, 1 },
225 { OP_ALLOCSP, "allocsp", allocsp_f, 1, 1 },
226 { OP_AREAD, "aread", aread_f, 1, 0 },
227 { OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1 },
228 { OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1 },
229 { OP_AWRITE, "awrite", awrite_f, 1, 1 },
230 { OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0 },
231 { OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0 },
232 { OP_CHOWN, "chown", chown_f, 3, 1 },
233 { OP_CLONERANGE, "clonerange", clonerange_f, 4, 1 },
234 { OP_COPYRANGE, "copyrange", copyrange_f, 4, 1 },
235 { OP_CREAT, "creat", creat_f, 4, 1 },
236 { OP_DEDUPERANGE, "deduperange", deduperange_f, 4, 1},
237 { OP_DREAD, "dread", dread_f, 4, 0 },
238 { OP_DWRITE, "dwrite", dwrite_f, 4, 1 },
239 { OP_FALLOCATE, "fallocate", fallocate_f, 1, 1 },
240 { OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1 },
241 { OP_FIEMAP, "fiemap", fiemap_f, 1, 1 },
242 { OP_FREESP, "freesp", freesp_f, 1, 1 },
243 { OP_FSYNC, "fsync", fsync_f, 1, 1 },
244 { OP_GETATTR, "getattr", getattr_f, 1, 0 },
245 { OP_GETDENTS, "getdents", getdents_f, 1, 0 },
246 /* get extended attribute */
247 { OP_GETFATTR, "getfattr", getfattr_f, 1, 0 },
248 { OP_LINK, "link", link_f, 1, 1 },
249 /* list extent attributes */
250 { OP_LISTFATTR, "listfattr", listfattr_f, 1, 0 },
251 { OP_MKDIR, "mkdir", mkdir_f, 2, 1 },
252 { OP_MKNOD, "mknod", mknod_f, 2, 1 },
253 { OP_MREAD, "mread", mread_f, 2, 0 },
254 { OP_MWRITE, "mwrite", mwrite_f, 2, 1 },
255 { OP_PUNCH, "punch", punch_f, 1, 1 },
256 { OP_ZERO, "zero", zero_f, 1, 1 },
257 { OP_COLLAPSE, "collapse", collapse_f, 1, 1 },
258 { OP_INSERT, "insert", insert_f, 1, 1 },
259 { OP_READ, "read", read_f, 1, 0 },
260 { OP_READLINK, "readlink", readlink_f, 1, 0 },
261 { OP_READV, "readv", readv_f, 1, 0 },
262 /* remove (delete) extended attribute */
263 { OP_REMOVEFATTR, "removefattr", removefattr_f, 1, 1 },
264 { OP_RENAME, "rename", rename_f, 2, 1 },
265 { OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
266 { OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
267 /* set attribute flag (FS_IOC_SETFLAGS ioctl) */
268 { OP_SETATTR, "setattr", setattr_f, 0, 1 },
269 /* set extended attribute */
270 { OP_SETFATTR, "setfattr", setfattr_f, 2, 1 },
271 /* set project id (XFS_IOC_FSSETXATTR ioctl) */
272 { OP_SETXATTR, "setxattr", setxattr_f, 1, 1 },
273 { OP_SPLICE, "splice", splice_f, 1, 1 },
274 { OP_STAT, "stat", stat_f, 1, 0 },
275 { OP_SYMLINK, "symlink", symlink_f, 2, 1 },
276 { OP_SYNC, "sync", sync_f, 1, 1 },
277 { OP_TRUNCATE, "truncate", truncate_f, 2, 1 },
278 { OP_UNLINK, "unlink", unlink_f, 1, 1 },
279 { OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
280 { OP_WRITE, "write", write_f, 4, 1 },
281 { OP_WRITEV, "writev", writev_f, 4, 1 },
284 flist_t flist[FT_nft] = {
297 struct xfs_fsop_geom geom;
308 unsigned int idmodulo = XFS_IDMODULO_MAX;
309 unsigned int attr_mask = ~0;
312 unsigned long seed = 0;
316 int verifiable_log = 0;
317 sig_atomic_t should_stop = 0;
318 sigjmp_buf *sigbus_jmp = NULL;
319 char *execute_cmd = NULL;
320 int execute_freq = 1;
321 struct print_string flag_str = {0};
323 void add_to_flist(int, int, int, int);
324 void append_pathname(pathname_t *, char *);
325 int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
326 int attr_remove_path(pathname_t *, const char *, int);
327 int attr_set_path(pathname_t *, const char *, const char *, const int, int);
328 void check_cwd(void);
329 void cleanup_flist(void);
330 int creat_path(pathname_t *, mode_t);
331 void dcache_enter(int, int);
332 void dcache_init(void);
333 fent_t *dcache_lookup(int);
334 void dcache_purge(int);
335 void del_from_flist(int, int);
336 int dirid_to_name(char *, int);
338 int fent_to_name(pathname_t *, flist_t *, fent_t *);
339 void fix_parent(int, int);
340 void free_pathname(pathname_t *);
341 int generate_fname(fent_t *, int, pathname_t *, int *, int *);
342 int generate_xattr_name(int, char *, int);
343 int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
344 void init_pathname(pathname_t *);
345 int lchown_path(pathname_t *, uid_t, gid_t);
346 int link_path(pathname_t *, pathname_t *);
347 int lstat64_path(pathname_t *, struct stat64 *);
348 void make_freq_table(void);
349 int mkdir_path(pathname_t *, mode_t);
350 int mknod_path(pathname_t *, mode_t, dev_t);
351 void namerandpad(int, char *, int);
352 int open_file_or_dir(pathname_t *, int);
353 int open_path(pathname_t *, int);
354 DIR *opendir_path(pathname_t *);
355 void process_freq(char *);
356 int readlink_path(pathname_t *, char *, size_t);
357 int rename_path(pathname_t *, pathname_t *);
358 int rmdir_path(pathname_t *);
359 void separate_pathname(pathname_t *, char *, pathname_t *);
360 void show_ops(int, char *);
361 int stat64_path(pathname_t *, struct stat64 *);
362 int symlink_path(const char *, pathname_t *);
363 int truncate64_path(pathname_t *, off64_t);
364 int unlink_path(pathname_t *);
366 void write_freq(void);
367 void zero_freq(void);
369 void sg_handler(int signum)
377 * Only handle SIGBUS when mmap write to a hole and no
378 * block can be allocated due to ENOSPC, abort otherwise.
381 siglongjmp(*sigbus_jmp, -1);
383 printf("Unknown SIGBUS is caught, Abort!\n");
386 /* should not reach here */
393 int main(int argc, char **argv)
397 char *dirname = NULL;
398 char *logname = NULL;
399 char rpath[PATH_MAX];
408 xfs_error_injection_t err_inj;
409 struct sigaction action;
411 const char *allopts = "cd:e:f:i:l:m:M:n:o:p:rs:S:vVwx:X:zH";
413 errrange = errtag = 0;
415 nops = sizeof(ops) / sizeof(ops[0]);
416 ops_end = &ops[nops];
418 while ((c = getopt(argc, argv, allopts)) != -1) {
427 sscanf(optarg, "%d", &errtag);
431 } else if (errtag == 0)
433 if (errtag >= XFS_ERRTAG_MAX) {
435 "error tag %d too large (max %d)\n",
436 errtag, XFS_ERRTAG_MAX - 1);
441 process_freq(optarg);
444 ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
445 ilist[ilistlen - 1] = strtol(optarg, &p, 16);
448 idmodulo = strtoul(optarg, NULL, 0);
449 if (idmodulo > XFS_IDMODULO_MAX) {
451 "chown modulo %d too big (max %d)\n",
452 idmodulo, XFS_IDMODULO_MAX);
457 loops = atoi(optarg);
460 operations = atoi(optarg);
467 nproc = atoi(optarg);
473 seed = strtoul(optarg, NULL, 0);
482 execute_cmd = optarg;
488 attr_mask = strtoul(optarg, NULL, 0);
492 if (optarg[0] == 'c')
503 execute_freq = strtoul(optarg, NULL, 0);
506 fprintf(stderr, "%s - invalid parameters\n",
516 /* no directory specified */
517 if (!nousage) usage();
521 (void)mkdir(dirname, 0777);
522 if (logname && logname[0] != '/') {
523 if (!getcwd(rpath, sizeof(rpath))){
524 perror("getcwd failed");
530 if (chdir(dirname) < 0) {
535 char path[PATH_MAX + NAME_MAX + 1];
536 snprintf(path, sizeof(path), "%s/%s", rpath, logname);
537 if (freopen(path, "a", stdout) == NULL) {
538 perror("freopen logfile failed");
542 sprintf(buf, "fss%x", (unsigned int)getpid());
543 fd = creat(buf, 0666);
544 if (lseek64(fd, (off64_t)(MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
545 maxfsize = (off64_t)MAXFSIZE32;
547 maxfsize = (off64_t)MAXFSIZE;
552 gettimeofday(&t, (void *)NULL);
553 seed = (int)t.tv_sec ^ (int)t.tv_usec;
554 printf("seed = %ld\n", seed);
556 i = xfsctl(buf, fd, XFS_IOC_FSGEOMETRY, &geom);
557 if (i >= 0 && geom.rtblocks)
558 rtpct = MIN(MAX(geom.rtblocks * 100 /
559 (geom.rtblocks + geom.datablocks), 1), 99);
568 for (i = 0; i < j; i++)
571 errtag = (random() % (XFS_ERRTAG_MAX-1)) + 1;
577 for (i = 0; i < j; i++)
580 errtag += (random() % (XFS_ERRTAG_MAX - errtag));
582 printf("Injecting failure on tag #%d\n", errtag);
583 err_inj.errtag = errtag;
585 srval = xfsctl(buf, fd, XFS_IOC_ERROR_INJECTION, &err_inj);
587 perror("fsstress - XFS_SYSSGI error injection call");
596 action.sa_handler = sg_handler;
597 sigemptyset(&action.sa_mask);
599 if (sigaction(SIGTERM, &action, 0)) {
600 perror("sigaction failed");
604 for (i = 0; i < nproc; i++) {
606 sigemptyset(&action.sa_mask);
607 action.sa_handler = SIG_DFL;
608 if (sigaction(SIGTERM, &action, 0))
610 action.sa_handler = sg_handler;
611 if (sigaction(SIGBUS, &action, 0))
613 #ifdef HAVE_SYS_PRCTL_H
614 prctl(PR_SET_PDEATHSIG, SIGKILL);
615 if (getppid() == 1) /* parent died already? */
619 char path[PATH_MAX + NAME_MAX + 2 + 11];
620 snprintf(path, sizeof(path), "%s/%s.%d",
622 if (freopen(path, "a", stdout) == NULL) {
623 perror("freopen logfile failed");
629 if (io_setup(128, &io_ctx) != 0) {
630 fprintf(stderr, "io_setup failed");
634 for (i = 0; !loops || (i < loops); i++)
637 if(io_destroy(io_ctx) != 0) {
638 fprintf(stderr, "io_destroy failed");
648 while (wait(&stat) > 0 && !should_stop) {
651 action.sa_flags = SA_RESTART;
652 sigaction(SIGTERM, &action, 0);
653 kill(-getpid(), SIGTERM);
654 while (wait(&stat) > 0)
660 srval = xfsctl(buf, fd, XFS_IOC_ERROR_CLEARALL, &err_inj);
662 fprintf(stderr, "Bad ej clear on %s fd=%d (%d).\n",
664 perror("xfsctl(XFS_IOC_ERROR_CLEARALL)");
677 add_string(struct print_string *str, const char *add)
679 int len = strlen(add);
684 if (len > (str->max - 1) - str->len) {
685 str->len = str->max - 1;
689 memcpy(str->buffer + str->len, add, len);
691 str->buffer[str->len] = '\0';
697 translate_flags(int flags, const char *delim,
698 const struct print_flags *flag_array)
700 int i, mask, first = 1;
703 if (!flag_str.buffer) {
704 flag_str.buffer = malloc(4096);
708 if (!flag_str.buffer)
711 flag_str.buffer[0] = '\0';
713 for (i = 0; flag_array[i].name && flags; i++) {
714 mask = flag_array[i].mask;
715 if ((flags & mask) != mask)
718 add = flag_array[i].name;
721 add_string(&flag_str, delim);
724 add_string(&flag_str, add);
727 /* Check whether there are any leftover flags. */
733 add_string(&flag_str, delim);
735 ret = snprintf(number, 11, "0x%x", flags) > 0;
736 if (ret > 0 && ret <= 11)
737 add_string(&flag_str, number);
740 return flag_str.buffer;
744 add_to_flist(int ft, int id, int parent, int xattr_counter)
750 if (ftp->nfiles == ftp->nslots) {
751 ftp->nslots += FLIST_SLOT_INCR;
752 ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
754 fep = &ftp->fents[ftp->nfiles++];
756 fep->parent = parent;
757 fep->xattr_counter = xattr_counter;
761 append_pathname(pathname_t *name, char *str)
767 /* attempting to append to a dir a zero length path */
768 if (len && *str == '/' && name->len == 0) {
769 fprintf(stderr, "fsstress: append_pathname failure\n");
770 assert(chdir(homedir) == 0);
775 name->path = realloc(name->path, name->len + 1 + len);
776 strcpy(&name->path[name->len], str);
781 attr_list_path(pathname_t *name,
783 const int buffersize,
785 attrlist_cursor_t *cursor)
787 char buf[NAME_MAX + 1];
791 if (flags != ATTR_DONTFOLLOW) {
796 rval = attr_list(name->path, buffer, buffersize, flags, cursor);
797 if (rval >= 0 || errno != ENAMETOOLONG)
799 separate_pathname(name, buf, &newname);
800 if (chdir(buf) == 0) {
801 rval = attr_list_path(&newname, buffer, buffersize, flags, cursor);
802 assert(chdir("..") == 0);
804 free_pathname(&newname);
809 attr_remove_path(pathname_t *name, const char *attrname, int flags)
811 char buf[NAME_MAX + 1];
815 rval = attr_remove(name->path, attrname, flags);
816 if (rval >= 0 || errno != ENAMETOOLONG)
818 separate_pathname(name, buf, &newname);
819 if (chdir(buf) == 0) {
820 rval = attr_remove_path(&newname, attrname, flags);
821 assert(chdir("..") == 0);
823 free_pathname(&newname);
828 attr_set_path(pathname_t *name, const char *attrname, const char *attrvalue,
829 const int valuelength, int flags)
831 char buf[NAME_MAX + 1];
835 rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
836 if (rval >= 0 || errno != ENAMETOOLONG)
838 separate_pathname(name, buf, &newname);
839 if (chdir(buf) == 0) {
840 rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
842 assert(chdir("..") == 0);
844 free_pathname(&newname);
852 struct stat64 statbuf;
854 if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
856 assert(chdir(homedir) == 0);
857 fprintf(stderr, "fsstress: check_cwd failure\n");
864 * go thru flist and release all entries
866 * NOTE: this function shouldn't be called until the end of a process
874 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
883 creat_path(pathname_t *name, mode_t mode)
885 char buf[NAME_MAX + 1];
889 rval = creat(name->path, mode);
890 if (rval >= 0 || errno != ENAMETOOLONG)
892 separate_pathname(name, buf, &newname);
893 if (chdir(buf) == 0) {
894 rval = creat_path(&newname, mode);
895 assert(chdir("..") == 0);
897 free_pathname(&newname);
902 dcache_enter(int dirid, int slot)
904 dcache[dirid % NDCACHE] = slot;
912 for (i = 0; i < NDCACHE; i++)
917 dcache_lookup(int dirid)
922 i = dcache[dirid % NDCACHE];
923 if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
929 dcache_purge(int dirid)
933 dcp = &dcache[dirid % NDCACHE];
934 if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
939 * Delete the item from the list by
940 * moving last entry over the deleted one;
941 * unless deleted entry is the last one.
942 * Input: which file list array and which slot in array
945 del_from_flist(int ft, int slot)
951 dcache_purge(ftp->fents[slot].id);
952 if (slot != ftp->nfiles - 1) {
954 dcache_purge(ftp->fents[ftp->nfiles - 1].id);
955 ftp->fents[slot] = ftp->fents[--ftp->nfiles];
961 dirid_to_fent(int dirid)
967 if ((fep = dcache_lookup(dirid)))
969 flp = &flist[FT_DIR];
970 for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
971 if (fep->id == dirid) {
972 dcache_enter(dirid, fep - flp->fents);
982 struct stat64 statbuf;
990 dividend = (operations + execute_freq) / (execute_freq + 1);
991 sprintf(buf, "p%x", procid);
992 (void)mkdir(buf, 0777);
993 if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
997 top_ino = statbuf.st_ino;
998 homedir = getcwd(NULL, 0);
1000 perror("getcwd failed");
1006 namerand = random();
1007 for (opno = 0; opno < operations; opno++) {
1008 if (execute_cmd && opno && opno % dividend == 0) {
1010 printf("%d: execute command %s\n", opno,
1012 rval = system(execute_cmd);
1014 fprintf(stderr, "execute command failed with "
1017 p = &ops[freq_table[random() % freq_table_size]];
1018 p->func(opno, random());
1020 * test for forced shutdown by stat'ing the test
1021 * directory. If this stat returns EIO, assume
1022 * the forced shutdown happened.
1024 if (errtag != 0 && opno % 100 == 0) {
1025 rval = stat64(".", &statbuf);
1027 fprintf(stderr, "Detected EIO\n");
1033 assert(chdir("..") == 0);
1038 sprintf(cmd, "rm -rf %s", buf);
1041 perror("cleaning up");
1047 * build up a pathname going thru the file entry and all
1048 * its parent entries
1049 * Return 0 on error, 1 on success;
1052 fent_to_name(pathname_t *name, flist_t *flp, fent_t *fep)
1054 char buf[NAME_MAX + 1];
1062 /* build up parent directory name */
1063 if (fep->parent != -1) {
1064 pfep = dirid_to_fent(fep->parent);
1067 fprintf(stderr, "%d: fent-id = %d: can't find parent id: %d\n",
1068 procid, fep->id, fep->parent);
1073 e = fent_to_name(name, &flist[FT_DIR], pfep);
1076 append_pathname(name, "/");
1079 i = sprintf(buf, "%c%x", flp->tag, fep->id);
1080 namerandpad(fep->id, buf, i);
1081 append_pathname(name, buf);
1086 fix_parent(int oldid, int newid)
1093 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
1094 for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
1095 if (fep->parent == oldid)
1096 fep->parent = newid;
1102 free_pathname(pathname_t *name)
1112 * Generate a filename of type ft.
1113 * If we have a fep which should be a directory then use it
1114 * as the parent path for this new filename i.e. prepend with it.
1117 generate_fname(fent_t *fep, int ft, pathname_t *name, int *idp, int *v)
1119 char buf[NAME_MAX + 1];
1128 len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
1129 namerandpad(id, buf, len);
1131 /* prepend fep parent dir-name to it */
1133 e = fent_to_name(name, &flist[FT_DIR], fep);
1136 append_pathname(name, "/");
1138 append_pathname(name, buf);
1142 for (j = 0; !*v && j < ilistlen; j++) {
1143 if (ilist[j] == id) {
1151 int generate_xattr_name(int xattr_num, char *buffer, int buflen)
1155 ret = snprintf(buffer, buflen, "user.x%d", xattr_num);
1165 * Input: "which" to choose the file-types eg. non-directory
1166 * Input: "r" to choose which file
1167 * Output: file-list, file-entry, name for the chosen file.
1168 * Output: verbose if chosen file is on the ilist.
1171 get_fname(int which, long r, pathname_t *name, flist_t **flpp, fent_t **fepp,
1174 int totalsum = 0; /* total number of matching files */
1175 int partialsum = 0; /* partial sum of matching files */
1181 int e = 1; /* success */
1184 * go thru flist and add up number of files for each
1185 * category that matches with <which>.
1187 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
1188 if (which & (1 << i))
1189 totalsum += flp->nfiles;
1191 if (totalsum == 0) {
1201 * Now we have possible matches between 0..totalsum-1.
1202 * And we use r to help us choose which one we want,
1203 * which when bounded by totalsum becomes x.
1205 x = (int)(r % totalsum);
1206 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
1207 if (which & (1 << i)) {
1208 if (x < partialsum + flp->nfiles) {
1210 /* found the matching file entry */
1211 fep = &flp->fents[x - partialsum];
1213 /* fill-in what we were asked for */
1215 e = fent_to_name(name, flp, fep);
1218 fprintf(stderr, "%d: failed to get path for entry:"
1219 " id=%d,parent=%d\n",
1220 procid, fep->id, fep->parent);
1229 /* turn on verbose if its an ilisted file */
1231 for (j = 0; !*v && j < ilistlen; j++) {
1232 if (ilist[j] == fep->id) {
1239 partialsum += flp->nfiles;
1243 fprintf(stderr, "fsstress: get_fname failure\n");
1250 init_pathname(pathname_t *name)
1257 lchown_path(pathname_t *name, uid_t owner, gid_t group)
1259 char buf[NAME_MAX + 1];
1263 rval = lchown(name->path, owner, group);
1264 if (rval >= 0 || errno != ENAMETOOLONG)
1266 separate_pathname(name, buf, &newname);
1267 if (chdir(buf) == 0) {
1268 rval = lchown_path(&newname, owner, group);
1269 assert(chdir("..") == 0);
1271 free_pathname(&newname);
1276 link_path(pathname_t *name1, pathname_t *name2)
1278 char buf1[NAME_MAX + 1];
1279 char buf2[NAME_MAX + 1];
1281 pathname_t newname1;
1282 pathname_t newname2;
1285 rval = link(name1->path, name2->path);
1286 if (rval >= 0 || errno != ENAMETOOLONG)
1288 separate_pathname(name1, buf1, &newname1);
1289 separate_pathname(name2, buf2, &newname2);
1290 if (strcmp(buf1, buf2) == 0) {
1291 if (chdir(buf1) == 0) {
1292 rval = link_path(&newname1, &newname2);
1293 assert(chdir("..") == 0);
1296 if (strcmp(buf1, "..") == 0)
1298 else if (strcmp(buf2, "..") == 0)
1300 else if (strlen(buf1) == 0)
1302 else if (strlen(buf2) == 0)
1305 down1 = MAX(newname1.len, 3 + name2->len) <=
1306 MAX(3 + name1->len, newname2.len);
1308 free_pathname(&newname2);
1309 append_pathname(&newname2, "../");
1310 append_pathname(&newname2, name2->path);
1311 if (chdir(buf1) == 0) {
1312 rval = link_path(&newname1, &newname2);
1313 assert(chdir("..") == 0);
1316 free_pathname(&newname1);
1317 append_pathname(&newname1, "../");
1318 append_pathname(&newname1, name1->path);
1319 if (chdir(buf2) == 0) {
1320 rval = link_path(&newname1, &newname2);
1321 assert(chdir("..") == 0);
1325 free_pathname(&newname1);
1326 free_pathname(&newname2);
1331 lstat64_path(pathname_t *name, struct stat64 *sbuf)
1333 char buf[NAME_MAX + 1];
1337 rval = lstat64(name->path, sbuf);
1338 if (rval >= 0 || errno != ENAMETOOLONG)
1340 separate_pathname(name, buf, &newname);
1341 if (chdir(buf) == 0) {
1342 rval = lstat64_path(&newname, sbuf);
1343 assert(chdir("..") == 0);
1345 free_pathname(&newname);
1350 make_freq_table(void)
1356 for (p = ops, f = 0; p < ops_end; p++)
1358 freq_table = malloc(f * sizeof(*freq_table));
1359 freq_table_size = f;
1360 for (p = ops, i = 0; p < ops_end; p++) {
1361 for (f = 0; f < p->freq; f++, i++)
1362 freq_table[i] = p->op;
1367 mkdir_path(pathname_t *name, mode_t mode)
1369 char buf[NAME_MAX + 1];
1373 rval = mkdir(name->path, mode);
1374 if (rval >= 0 || errno != ENAMETOOLONG)
1376 separate_pathname(name, buf, &newname);
1377 if (chdir(buf) == 0) {
1378 rval = mkdir_path(&newname, mode);
1379 assert(chdir("..") == 0);
1381 free_pathname(&newname);
1386 mknod_path(pathname_t *name, mode_t mode, dev_t dev)
1388 char buf[NAME_MAX + 1];
1392 rval = mknod(name->path, mode, dev);
1393 if (rval >= 0 || errno != ENAMETOOLONG)
1395 separate_pathname(name, buf, &newname);
1396 if (chdir(buf) == 0) {
1397 rval = mknod_path(&newname, mode, dev);
1398 assert(chdir("..") == 0);
1400 free_pathname(&newname);
1405 namerandpad(int id, char *buf, int i)
1408 static int buckets[] =
1409 { 2, 4, 8, 16, 32, 64, 128, NAME_MAX };
1415 bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
1416 padmod = buckets[bucket] + 1 - i;
1419 padlen = (id ^ namerand) % padmod;
1421 memset(&buf[i], 'X', padlen);
1422 buf[i + padlen] = '\0';
1427 open_file_or_dir(pathname_t *name, int flags)
1431 fd = open_path(name, flags);
1434 if (fd == -1 && errno != EISDIR)
1436 /* Directories can not be opened in write mode nor direct mode. */
1437 flags &= ~(O_WRONLY | O_DIRECT);
1438 flags |= O_RDONLY | O_DIRECTORY;
1439 return open_path(name, flags);
1443 open_path(pathname_t *name, int oflag)
1445 char buf[NAME_MAX + 1];
1449 rval = open(name->path, oflag);
1450 if (rval >= 0 || errno != ENAMETOOLONG)
1452 separate_pathname(name, buf, &newname);
1453 if (chdir(buf) == 0) {
1454 rval = open_path(&newname, oflag);
1455 assert(chdir("..") == 0);
1457 free_pathname(&newname);
1462 opendir_path(pathname_t *name)
1464 char buf[NAME_MAX + 1];
1468 rval = opendir(name->path);
1469 if (rval || errno != ENAMETOOLONG)
1471 separate_pathname(name, buf, &newname);
1472 if (chdir(buf) == 0) {
1473 rval = opendir_path(&newname);
1474 assert(chdir("..") == 0);
1476 free_pathname(&newname);
1481 process_freq(char *arg)
1486 s = strchr(arg, '=');
1488 fprintf(stderr, "bad argument '%s'\n", arg);
1492 for (p = ops; p < ops_end; p++) {
1493 if (strcmp(arg, p->name) == 0) {
1498 fprintf(stderr, "can't find op type %s for -f\n", arg);
1503 readlink_path(pathname_t *name, char *lbuf, size_t lbufsiz)
1505 char buf[NAME_MAX + 1];
1509 rval = readlink(name->path, lbuf, lbufsiz);
1510 if (rval >= 0 || errno != ENAMETOOLONG)
1512 separate_pathname(name, buf, &newname);
1513 if (chdir(buf) == 0) {
1514 rval = readlink_path(&newname, lbuf, lbufsiz);
1515 assert(chdir("..") == 0);
1517 free_pathname(&newname);
1522 rename_path(pathname_t *name1, pathname_t *name2)
1524 char buf1[NAME_MAX + 1];
1525 char buf2[NAME_MAX + 1];
1527 pathname_t newname1;
1528 pathname_t newname2;
1531 rval = rename(name1->path, name2->path);
1532 if (rval >= 0 || errno != ENAMETOOLONG)
1534 separate_pathname(name1, buf1, &newname1);
1535 separate_pathname(name2, buf2, &newname2);
1536 if (strcmp(buf1, buf2) == 0) {
1537 if (chdir(buf1) == 0) {
1538 rval = rename_path(&newname1, &newname2);
1539 assert(chdir("..") == 0);
1542 if (strcmp(buf1, "..") == 0)
1544 else if (strcmp(buf2, "..") == 0)
1546 else if (strlen(buf1) == 0)
1548 else if (strlen(buf2) == 0)
1551 down1 = MAX(newname1.len, 3 + name2->len) <=
1552 MAX(3 + name1->len, newname2.len);
1554 free_pathname(&newname2);
1555 append_pathname(&newname2, "../");
1556 append_pathname(&newname2, name2->path);
1557 if (chdir(buf1) == 0) {
1558 rval = rename_path(&newname1, &newname2);
1559 assert(chdir("..") == 0);
1562 free_pathname(&newname1);
1563 append_pathname(&newname1, "../");
1564 append_pathname(&newname1, name1->path);
1565 if (chdir(buf2) == 0) {
1566 rval = rename_path(&newname1, &newname2);
1567 assert(chdir("..") == 0);
1571 free_pathname(&newname1);
1572 free_pathname(&newname2);
1577 rmdir_path(pathname_t *name)
1579 char buf[NAME_MAX + 1];
1583 rval = rmdir(name->path);
1584 if (rval >= 0 || errno != ENAMETOOLONG)
1586 separate_pathname(name, buf, &newname);
1587 if (chdir(buf) == 0) {
1588 rval = rmdir_path(&newname);
1589 assert(chdir("..") == 0);
1591 free_pathname(&newname);
1596 separate_pathname(pathname_t *name, char *buf, pathname_t *newname)
1600 init_pathname(newname);
1601 slash = strchr(name->path, '/');
1602 if (slash == NULL) {
1607 strcpy(buf, name->path);
1609 append_pathname(newname, slash + 1);
1615 show_ops(int flag, char *lead_str)
1620 /* print in list form */
1623 for (p = ops; p < ops_end; p++) {
1624 if (lead_str != NULL && x+strlen(p->name)>=WIDTH-5)
1625 x=printf("%s%s", (p==ops)?"":"\n", lead_str);
1626 x+=printf("%s ", p->name);
1629 } else if (flag == 0) {
1630 /* Table view style */
1632 for (f = 0, p = ops; p < ops_end; p++)
1638 for (p = ops; p < ops_end; p++) {
1639 if (flag != 0 || p->freq > 0) {
1640 if (lead_str != NULL)
1641 printf("%s", lead_str);
1642 printf("%20s %d/%d %s\n",
1643 p->name, p->freq, f,
1644 (p->iswrite == 0) ? " " : "write op");
1648 /* Command line style */
1649 if (lead_str != NULL)
1650 printf("%s", lead_str);
1651 printf ("-z -s %ld -m %d -n %d -p %d \\\n", seed, idmodulo,
1653 for (p = ops; p < ops_end; p++)
1655 printf("-f %s=%d \\\n",p->name, p->freq);
1660 stat64_path(pathname_t *name, struct stat64 *sbuf)
1662 char buf[NAME_MAX + 1];
1666 rval = stat64(name->path, sbuf);
1667 if (rval >= 0 || errno != ENAMETOOLONG)
1669 separate_pathname(name, buf, &newname);
1670 if (chdir(buf) == 0) {
1671 rval = stat64_path(&newname, sbuf);
1672 assert(chdir("..") == 0);
1674 free_pathname(&newname);
1679 symlink_path(const char *name1, pathname_t *name)
1681 char buf[NAME_MAX + 1];
1685 if (!strcmp(name1, name->path)) {
1686 printf("yikes! %s %s\n", name1, name->path);
1690 rval = symlink(name1, name->path);
1691 if (rval >= 0 || errno != ENAMETOOLONG)
1693 separate_pathname(name, buf, &newname);
1694 if (chdir(buf) == 0) {
1695 rval = symlink_path(name1, &newname);
1696 assert(chdir("..") == 0);
1698 free_pathname(&newname);
1703 truncate64_path(pathname_t *name, off64_t length)
1705 char buf[NAME_MAX + 1];
1709 rval = truncate64(name->path, length);
1710 if (rval >= 0 || errno != ENAMETOOLONG)
1712 separate_pathname(name, buf, &newname);
1713 if (chdir(buf) == 0) {
1714 rval = truncate64_path(&newname, length);
1715 assert(chdir("..") == 0);
1717 free_pathname(&newname);
1722 unlink_path(pathname_t *name)
1724 char buf[NAME_MAX + 1];
1728 rval = unlink(name->path);
1729 if (rval >= 0 || errno != ENAMETOOLONG)
1731 separate_pathname(name, buf, &newname);
1732 if (chdir(buf) == 0) {
1733 rval = unlink_path(&newname);
1734 assert(chdir("..") == 0);
1736 free_pathname(&newname);
1743 printf("Usage: %s -H or\n", myprog);
1744 printf(" %s [-c][-d dir][-e errtg][-f op_name=freq][-l loops][-n nops]\n",
1746 printf(" [-p nproc][-r len][-s seed][-v][-w][-x cmd][-z][-S][-X ncmd]\n");
1748 printf(" -c clean up the test directory after each run\n");
1749 printf(" -d dir specifies the base directory for operations\n");
1750 printf(" -e errtg specifies error injection stuff\n");
1751 printf(" -f op_name=freq changes the frequency of option name to freq\n");
1752 printf(" the valid operation names are:\n");
1754 printf(" -i filenum get verbose output for this nth file object\n");
1755 printf(" -l loops specifies the no. of times the testrun should loop.\n");
1756 printf(" *use 0 for infinite (default 1)\n");
1757 printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
1758 printf(" -n nops specifies the no. of operations per process (default 1)\n");
1759 printf(" -o logfile specifies logfile name\n");
1760 printf(" -p nproc specifies the no. of processes (default 1)\n");
1761 printf(" -r specifies random name padding\n");
1762 printf(" -s seed specifies the seed for the random generator (default random)\n");
1763 printf(" -v specifies verbose mode\n");
1764 printf(" -w zeros frequencies of non-write operations\n");
1765 printf(" -x cmd execute command in the middle of operations\n");
1766 printf(" -z zeros frequencies of all operations\n");
1767 printf(" -S [c,t] prints the list of operations (omitting zero frequency) in command line or table style\n");
1768 printf(" -V specifies verifiable logging mode (omitting inode numbers)\n");
1769 printf(" -X ncmd number of calls to the -x command (default 1)\n");
1770 printf(" -H prints usage and exits\n");
1778 for (p = ops; p < ops_end; p++) {
1789 for (p = ops; p < ops_end; p++)
1793 void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
1796 snprintf(str, sz, "[%ld %ld %d %d %lld %lld]",
1797 verifiable_log ? -1: (long)s->st_ino,
1798 (long)s->st_nlink, s->st_uid, s->st_gid,
1799 (long long) s->st_blocks, (long long) s->st_size);
1803 afsync_f(int opno, long r)
1811 struct iocb *iocbs[] = { &iocb };
1812 struct io_event event;
1815 if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, NULL, &v)) {
1817 printf("%d/%d: afsync - no filename\n", procid, opno);
1821 fd = open_file_or_dir(&f, O_WRONLY | O_DIRECT);
1822 e = fd < 0 ? errno : 0;
1826 printf("%d/%d: afsync - open %s failed %d\n",
1827 procid, opno, f.path, e);
1832 io_prep_fsync(&iocb, fd);
1833 if ((e = io_submit(io_ctx, 1, iocbs)) != 1) {
1835 printf("%d/%d: afsync - io_submit %s %d\n",
1836 procid, opno, f.path, e);
1841 if ((e = io_getevents(io_ctx, 1, 1, &event, NULL)) != 1) {
1843 printf("%d/%d: afsync - io_getevents failed %d\n",
1852 printf("%d/%d: afsync %s %d\n", procid, opno, f.path, e);
1859 allocsp_f(int opno, long r)
1864 struct xfs_flock64 fl;
1872 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1874 printf("%d/%d: allocsp - no filename\n", procid, opno);
1878 fd = open_path(&f, O_RDWR);
1879 e = fd < 0 ? errno : 0;
1883 printf("%d/%d: allocsp - open %s failed %d\n",
1884 procid, opno, f.path, e);
1888 if (fstat64(fd, &stb) < 0) {
1890 printf("%d/%d: allocsp - fstat64 %s failed %d\n",
1891 procid, opno, f.path, errno);
1896 inode_info(st, sizeof(st), &stb, v);
1897 lr = ((int64_t)random() << 32) + random();
1898 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1900 fl.l_whence = SEEK_SET;
1903 e = xfsctl(f.path, fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
1905 printf("%d/%d: xfsctl(XFS_IOC_ALLOCSP64) %s%s %lld 0 %d\n",
1906 procid, opno, f.path, st, (long long)off, e);
1914 do_aio_rw(int opno, long r, int flags)
1918 struct dioattr diob;
1930 struct io_event event;
1931 struct iocb *iocbs[] = { &iocb };
1932 int iswrite = (flags & (O_WRONLY | O_RDWR)) ? 1 : 0;
1935 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1937 printf("%d/%d: do_aio_rw - no filename\n", procid, opno);
1941 fd = open_path(&f, flags|O_DIRECT);
1942 e = fd < 0 ? errno : 0;
1946 printf("%d/%d: do_aio_rw - open %s failed %d\n",
1947 procid, opno, f.path, e);
1951 if (fstat64(fd, &stb) < 0) {
1953 printf("%d/%d: do_aio_rw - fstat64 %s failed %d\n",
1954 procid, opno, f.path, errno);
1959 inode_info(st, sizeof(st), &stb, v);
1960 if (!iswrite && stb.st_size == 0) {
1962 printf("%d/%d: do_aio_rw - %s%s zero size\n", procid, opno,
1968 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1971 "%d/%d: do_aio_rw - xfsctl(XFS_IOC_DIOINFO) %s%s return %d,"
1972 " fallback to stat()\n",
1973 procid, opno, f.path, st, errno);
1974 diob.d_mem = diob.d_miniosz = stb.st_blksize;
1975 diob.d_maxiosz = INT_MAX & ~(diob.d_miniosz - 1);
1977 dio_env = getenv("XFS_DIO_MIN");
1979 diob.d_mem = diob.d_miniosz = atoi(dio_env);
1980 align = (int64_t)diob.d_miniosz;
1981 lr = ((int64_t)random() << 32) + random();
1982 len = (random() % FILELEN_MAX) + 1;
1983 len -= (len % align);
1986 else if (len > diob.d_maxiosz)
1987 len = diob.d_maxiosz;
1988 buf = memalign(diob.d_mem, len);
1991 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1992 off -= (off % align);
1994 memset(buf, nameseq & 0xff, len);
1995 io_prep_pwrite(&iocb, fd, buf, len, off);
1997 off = (off64_t)(lr % stb.st_size);
1998 off -= (off % align);
1999 io_prep_pread(&iocb, fd, buf, len, off);
2001 if ((e = io_submit(io_ctx, 1, iocbs)) != 1) {
2003 printf("%d/%d: %s - io_submit failed %d\n",
2004 procid, opno, iswrite ? "awrite" : "aread", e);
2009 if ((e = io_getevents(io_ctx, 1, 1, &event, NULL)) != 1) {
2011 printf("%d/%d: %s - io_getevents failed %d\n",
2012 procid, opno, iswrite ? "awrite" : "aread", e);
2018 e = event.res != len ? event.res2 : 0;
2021 printf("%d/%d: %s %s%s [%lld,%d] %d\n",
2022 procid, opno, iswrite ? "awrite" : "aread",
2023 f.path, st, (long long)off, (int)len, e);
2030 aread_f(int opno, long r)
2033 do_aio_rw(opno, r, O_RDONLY);
2038 attr_remove_f(int opno, long r)
2040 attrlist_ent_t *aep;
2044 attrlist_cursor_t cursor;
2053 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2054 append_pathname(&f, ".");
2056 bzero(&cursor, sizeof(cursor));
2058 bzero(buf, sizeof(buf));
2059 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
2063 alist = (attrlist_t *)buf;
2064 total += alist->al_count;
2065 } while (alist->al_more);
2068 printf("%d/%d: attr_remove - no attrs for %s\n",
2069 procid, opno, f.path);
2073 which = (int)(random() % total);
2074 bzero(&cursor, sizeof(cursor));
2078 bzero(buf, sizeof(buf));
2079 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW, &cursor);
2083 alist = (attrlist_t *)buf;
2084 if (which < ent + alist->al_count) {
2085 aep = (attrlist_ent_t *)
2086 &buf[alist->al_offset[which - ent]];
2087 aname = aep->a_name;
2090 ent += alist->al_count;
2091 } while (alist->al_more);
2092 if (aname == NULL) {
2095 "%d/%d: attr_remove - name %d not found at %s\n",
2096 procid, opno, which, f.path);
2100 e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
2103 printf("%d/%d: attr_remove %s %s %d\n",
2104 procid, opno, f.path, aname, e);
2109 attr_set_f(int opno, long r)
2116 static int lengths[] = { 10, 100, 1000, 10000 };
2121 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2122 append_pathname(&f, ".");
2123 sprintf(aname, "a%x", nameseq++);
2124 li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
2125 len = (int)(random() % lengths[li]);
2129 memset(aval, nameseq & 0xff, len);
2130 e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
2135 printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
2141 awrite_f(int opno, long r)
2144 do_aio_rw(opno, r, O_WRONLY);
2149 bulkstat_f(int opno, long r)
2157 xfs_fsop_bulkreq_t bsr;
2160 nent = (r % 999) + 2;
2161 t = malloc(nent * sizeof(*t));
2162 fd = open(".", O_RDONLY);
2170 while (xfsctl(".", fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
2174 printf("%d/%d: bulkstat nent %d total %lld\n",
2175 procid, opno, nent, (long long)total);
2180 bulkstat1_f(int opno, long r)
2190 xfs_fsop_bulkreq_t bsr;
2193 good = random() & 1;
2195 /* use an inode we know exists */
2197 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2198 append_pathname(&f, ".");
2199 ino = stat64_path(&f, &s) < 0 ? (ino64_t)r : s.st_ino;
2204 * pick a random inode
2206 * note this can generate kernel warning messages
2207 * since bulkstat_one will read the disk block that
2208 * would contain a given inode even if that disk
2209 * block doesn't contain inodes.
2211 * this is detected later, but not until after the
2212 * warning is displayed.
2214 * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
2220 fd = open(".", O_RDONLY);
2226 e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
2228 printf("%d/%d: bulkstat1 %s ino %lld %d\n",
2229 procid, opno, good?"real":"random",
2230 verifiable_log ? -1LL : (long long)ino, e);
2235 chown_f(int opno, long r)
2245 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2246 append_pathname(&f, ".");
2247 u = (uid_t)random();
2248 g = (gid_t)random();
2249 nbits = (int)(random() % idmodulo);
2250 u &= (1 << nbits) - 1;
2251 g &= (1 << nbits) - 1;
2252 e = lchown_path(&f, u, g) < 0 ? errno : 0;
2255 printf("%d/%d: chown %s %d/%d %d\n", procid, opno, f.path, (int)u, (int)g, e);
2259 /* reflink some arbitrary range of f1 to f2. */
2266 struct file_clone_range fcr;
2267 struct pathname fpath1;
2268 struct pathname fpath2;
2269 struct stat64 stat1;
2270 struct stat64 stat2;
2271 char inoinfo1[1024];
2272 char inoinfo2[1024];
2286 init_pathname(&fpath1);
2287 if (!get_fname(FT_REGm, r, &fpath1, NULL, NULL, &v1)) {
2289 printf("%d/%d: clonerange read - no filename\n",
2294 init_pathname(&fpath2);
2295 if (!get_fname(FT_REGm, random(), &fpath2, NULL, NULL, &v2)) {
2297 printf("%d/%d: clonerange write - no filename\n",
2303 fd1 = open_path(&fpath1, O_RDONLY);
2304 e = fd1 < 0 ? errno : 0;
2308 printf("%d/%d: clonerange read - open %s failed %d\n",
2309 procid, opno, fpath1.path, e);
2313 fd2 = open_path(&fpath2, O_WRONLY);
2314 e = fd2 < 0 ? errno : 0;
2318 printf("%d/%d: clonerange write - open %s failed %d\n",
2319 procid, opno, fpath2.path, e);
2323 /* Get file stats */
2324 if (fstat64(fd1, &stat1) < 0) {
2326 printf("%d/%d: clonerange read - fstat64 %s failed %d\n",
2327 procid, opno, fpath1.path, errno);
2330 inode_info(inoinfo1, sizeof(inoinfo1), &stat1, v1);
2332 if (fstat64(fd2, &stat2) < 0) {
2334 printf("%d/%d: clonerange write - fstat64 %s failed %d\n",
2335 procid, opno, fpath2.path, errno);
2338 inode_info(inoinfo2, sizeof(inoinfo2), &stat2, v2);
2340 /* Calculate offsets */
2341 len = (random() % FILELEN_MAX) + 1;
2342 len &= ~(stat1.st_blksize - 1);
2344 len = stat1.st_blksize;
2345 if (len > stat1.st_size)
2346 len = stat1.st_size;
2348 lr = ((int64_t)random() << 32) + random();
2349 if (stat1.st_size == len)
2352 off1 = (off64_t)(lr % MIN(stat1.st_size - len, MAXFSIZE));
2354 off1 &= ~(stat1.st_blksize - 1);
2357 * If srcfile == destfile, randomly generate destination ranges
2358 * until we find one that doesn't overlap the source range.
2360 max_off2 = MIN(stat2.st_size + (1024ULL * stat2.st_blksize), MAXFSIZE);
2362 lr = ((int64_t)random() << 32) + random();
2363 off2 = (off64_t)(lr % max_off2);
2365 off2 &= ~(stat2.st_blksize - 1);
2366 } while (stat1.st_ino == stat2.st_ino && llabs(off2 - off1) < len);
2368 /* Clone data blocks */
2370 fcr.src_offset = off1;
2371 fcr.src_length = len;
2372 fcr.dest_offset = off2;
2374 ret = ioctl(fd2, FICLONERANGE, &fcr);
2375 e = ret < 0 ? errno : 0;
2377 printf("%d/%d: clonerange %s%s [%lld,%lld] -> %s%s [%lld,%lld]",
2379 fpath1.path, inoinfo1, (long long)off1, (long long)len,
2380 fpath2.path, inoinfo2, (long long)off2, (long long)len);
2383 printf(" error %d", e);
2392 free_pathname(&fpath2);
2394 free_pathname(&fpath1);
2398 /* copy some arbitrary range of f1 to f2. */
2404 #ifdef HAVE_COPY_FILE_RANGE
2405 struct pathname fpath1;
2406 struct pathname fpath2;
2407 struct stat64 stat1;
2408 struct stat64 stat2;
2409 char inoinfo1[1024];
2410 char inoinfo2[1024];
2428 init_pathname(&fpath1);
2429 if (!get_fname(FT_REGm, r, &fpath1, NULL, NULL, &v1)) {
2431 printf("%d/%d: copyrange read - no filename\n",
2436 init_pathname(&fpath2);
2437 if (!get_fname(FT_REGm, random(), &fpath2, NULL, NULL, &v2)) {
2439 printf("%d/%d: copyrange write - no filename\n",
2445 fd1 = open_path(&fpath1, O_RDONLY);
2446 e = fd1 < 0 ? errno : 0;
2450 printf("%d/%d: copyrange read - open %s failed %d\n",
2451 procid, opno, fpath1.path, e);
2455 fd2 = open_path(&fpath2, O_WRONLY);
2456 e = fd2 < 0 ? errno : 0;
2460 printf("%d/%d: copyrange write - open %s failed %d\n",
2461 procid, opno, fpath2.path, e);
2465 /* Get file stats */
2466 if (fstat64(fd1, &stat1) < 0) {
2468 printf("%d/%d: copyrange read - fstat64 %s failed %d\n",
2469 procid, opno, fpath1.path, errno);
2472 inode_info(inoinfo1, sizeof(inoinfo1), &stat1, v1);
2474 if (fstat64(fd2, &stat2) < 0) {
2476 printf("%d/%d: copyrange write - fstat64 %s failed %d\n",
2477 procid, opno, fpath2.path, errno);
2480 inode_info(inoinfo2, sizeof(inoinfo2), &stat2, v2);
2482 /* Calculate offsets */
2483 len = (random() % FILELEN_MAX) + 1;
2485 len = stat1.st_blksize;
2486 if (len > stat1.st_size)
2487 len = stat1.st_size;
2489 lr = ((int64_t)random() << 32) + random();
2490 if (stat1.st_size == len)
2493 off1 = (off64_t)(lr % MIN(stat1.st_size - len, MAXFSIZE));
2497 * If srcfile == destfile, randomly generate destination ranges
2498 * until we find one that doesn't overlap the source range.
2500 max_off2 = MIN(stat2.st_size + (1024ULL * stat2.st_blksize), MAXFSIZE);
2502 lr = ((int64_t)random() << 32) + random();
2503 off2 = (off64_t)(lr % max_off2);
2505 } while (stat1.st_ino == stat2.st_ino && llabs(off2 - off1) < len);
2508 * Since len, off1 and off2 will be changed later, preserve their
2516 ret = syscall(__NR_copy_file_range, fd1, &off1, fd2, &off2,
2519 if (errno != EAGAIN || tries++ >= 300)
2521 } else if (ret > len || ret == 0)
2526 e = ret < 0 ? errno : 0;
2528 printf("%d/%d: copyrange %s%s [%lld,%lld] -> %s%s [%lld,%lld]",
2530 fpath1.path, inoinfo1,
2531 (long long)offset1, (long long)length,
2532 fpath2.path, inoinfo2,
2533 (long long)offset2, (long long)length);
2536 printf(" error %d", e);
2537 else if (len && ret > len)
2538 printf(" asked for %lld, copied %lld??\n",
2539 (long long)len, (long long)ret);
2548 free_pathname(&fpath2);
2550 free_pathname(&fpath1);
2554 /* dedupe some arbitrary range of f1 to f2...fn. */
2560 #ifdef FIDEDUPERANGE
2561 #define INFO_SZ 1024
2562 struct file_dedupe_range *fdr;
2563 struct pathname *fpath;
2564 struct stat64 *stat;
2576 if (flist[FT_REG].nfiles < 2)
2579 /* Pick somewhere between 2 and 128 files. */
2581 nr = random() % (flist[FT_REG].nfiles + 1);
2582 } while (nr < 2 || nr > 128);
2585 fdr = malloc(nr * sizeof(struct file_dedupe_range_info) +
2586 sizeof(struct file_dedupe_range));
2588 printf("%d/%d: line %d error %d\n",
2589 procid, opno, __LINE__, errno);
2592 memset(fdr, 0, (nr * sizeof(struct file_dedupe_range_info) +
2593 sizeof(struct file_dedupe_range)));
2595 fpath = calloc(nr, sizeof(struct pathname));
2597 printf("%d/%d: line %d error %d\n",
2598 procid, opno, __LINE__, errno);
2602 stat = calloc(nr, sizeof(struct stat64));
2604 printf("%d/%d: line %d error %d\n",
2605 procid, opno, __LINE__, errno);
2609 info = calloc(nr, INFO_SZ);
2611 printf("%d/%d: line %d error %d\n",
2612 procid, opno, __LINE__, errno);
2616 off = calloc(nr, sizeof(off64_t));
2618 printf("%d/%d: line %d error %d\n",
2619 procid, opno, __LINE__, errno);
2623 v = calloc(nr, sizeof(int));
2625 printf("%d/%d: line %d error %d\n",
2626 procid, opno, __LINE__, errno);
2629 fd = calloc(nr, sizeof(int));
2631 printf("%d/%d: line %d error %d\n",
2632 procid, opno, __LINE__, errno);
2635 memset(fd, 0xFF, nr * sizeof(int));
2637 /* Get paths for all files */
2638 for (i = 0; i < nr; i++)
2639 init_pathname(&fpath[i]);
2641 if (!get_fname(FT_REGm, r, &fpath[0], NULL, NULL, &v[0])) {
2643 printf("%d/%d: deduperange read - no filename\n",
2648 for (i = 1; i < nr; i++) {
2649 if (!get_fname(FT_REGm, random(), &fpath[i], NULL, NULL, &v[i])) {
2651 printf("%d/%d: deduperange write - no filename\n",
2658 fd[0] = open_path(&fpath[0], O_RDONLY);
2659 e = fd[0] < 0 ? errno : 0;
2663 printf("%d/%d: deduperange read - open %s failed %d\n",
2664 procid, opno, fpath[0].path, e);
2668 for (i = 1; i < nr; i++) {
2669 fd[i] = open_path(&fpath[i], O_WRONLY);
2670 e = fd[i] < 0 ? errno : 0;
2674 printf("%d/%d: deduperange write - open %s failed %d\n",
2675 procid, opno, fpath[i].path, e);
2680 /* Get file stats */
2681 if (fstat64(fd[0], &stat[0]) < 0) {
2683 printf("%d/%d: deduperange read - fstat64 %s failed %d\n",
2684 procid, opno, fpath[0].path, errno);
2688 inode_info(&info[0], INFO_SZ, &stat[0], v[0]);
2690 for (i = 1; i < nr; i++) {
2691 if (fstat64(fd[i], &stat[i]) < 0) {
2693 printf("%d/%d: deduperange write - fstat64 %s failed %d\n",
2694 procid, opno, fpath[i].path, errno);
2697 inode_info(&info[i * INFO_SZ], INFO_SZ, &stat[i], v[i]);
2700 /* Never try to dedupe more than half of the src file. */
2701 len = (random() % FILELEN_MAX) + 1;
2702 len &= ~(stat[0].st_blksize - 1);
2704 len = stat[0].st_blksize / 2;
2705 if (len > stat[0].st_size / 2)
2706 len = stat[0].st_size / 2;
2708 /* Calculate offsets */
2709 lr = ((int64_t)random() << 32) + random();
2710 if (stat[0].st_size == len)
2713 off[0] = (off64_t)(lr % MIN(stat[0].st_size - len, MAXFSIZE));
2715 off[0] &= ~(stat[0].st_blksize - 1);
2718 * If srcfile == destfile[i], randomly generate destination ranges
2719 * until we find one that doesn't overlap the source range.
2721 for (i = 1; i < nr; i++) {
2725 lr = ((int64_t)random() << 32) + random();
2726 if (stat[i].st_size <= len)
2729 off[i] = (off64_t)(lr % MIN(stat[i].st_size - len, MAXFSIZE));
2731 off[i] &= ~(stat[i].st_blksize - 1);
2732 } while (stat[0].st_ino == stat[i].st_ino &&
2733 llabs(off[i] - off[0]) < len &&
2737 /* Clone data blocks */
2738 fdr->src_offset = off[0];
2739 fdr->src_length = len;
2740 fdr->dest_count = nr - 1;
2741 for (i = 1; i < nr; i++) {
2742 fdr->info[i - 1].dest_fd = fd[i];
2743 fdr->info[i - 1].dest_offset = off[i];
2746 ret = ioctl(fd[0], FIDEDUPERANGE, fdr);
2747 e = ret < 0 ? errno : 0;
2749 printf("%d/%d: deduperange from %s%s [%lld,%lld]",
2751 fpath[0].path, &info[0], (long long)off[0],
2754 printf(" error %d", e);
2760 for (i = 1; i < nr; i++) {
2761 e = fdr->info[i - 1].status < 0 ? fdr->info[i - 1].status : 0;
2763 printf("%d/%d: ...to %s%s [%lld,%lld]",
2765 fpath[i].path, &info[i * INFO_SZ],
2766 (long long)off[i], (long long)len);
2767 if (fdr->info[i - 1].status < 0)
2768 printf(" error %d", e);
2769 if (fdr->info[i - 1].status == FILE_DEDUPE_RANGE_SAME)
2770 printf(" %llu bytes deduplicated",
2771 fdr->info[i - 1].bytes_deduped);
2772 if (fdr->info[i - 1].status == FILE_DEDUPE_RANGE_DIFFERS)
2773 printf(" differed");
2779 for (i = 0; i < nr; i++)
2783 for (i = 0; i < nr; i++)
2784 free_pathname(&fpath[i]);
2803 setxattr_f(int opno, long r)
2805 #ifdef XFS_XFLAG_EXTSIZE
2815 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
2816 append_pathname(&f, ".");
2817 fd = open_path(&f, O_RDWR);
2818 e = fd < 0 ? errno : 0;
2823 e = MIN(idmodulo, XFS_PROJIDMODULO_MAX);
2824 nbits = (int)(random() % e);
2825 p &= (1 << nbits) - 1;
2827 if ((e = xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &fsx)) == 0) {
2829 e = xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &fsx);
2832 printf("%d/%d: setxattr %s %u %d\n", procid, opno, f.path, p, e);
2839 splice_f(int opno, long r)
2841 struct pathname fpath1;
2842 struct pathname fpath2;
2843 struct stat64 stat1;
2844 struct stat64 stat2;
2845 char inoinfo1[1024];
2846 char inoinfo2[1024];
2850 loff_t offset1, offset2;
2857 ssize_t ret1 = 0, ret2 = 0;
2863 init_pathname(&fpath1);
2864 if (!get_fname(FT_REGm, r, &fpath1, NULL, NULL, &v1)) {
2866 printf("%d/%d: splice read - no filename\n",
2871 init_pathname(&fpath2);
2872 if (!get_fname(FT_REGm, random(), &fpath2, NULL, NULL, &v2)) {
2874 printf("%d/%d: splice write - no filename\n",
2880 fd1 = open_path(&fpath1, O_RDONLY);
2881 e = fd1 < 0 ? errno : 0;
2885 printf("%d/%d: splice read - open %s failed %d\n",
2886 procid, opno, fpath1.path, e);
2890 fd2 = open_path(&fpath2, O_WRONLY);
2891 e = fd2 < 0 ? errno : 0;
2895 printf("%d/%d: splice write - open %s failed %d\n",
2896 procid, opno, fpath2.path, e);
2900 /* Get file stats */
2901 if (fstat64(fd1, &stat1) < 0) {
2903 printf("%d/%d: splice read - fstat64 %s failed %d\n",
2904 procid, opno, fpath1.path, errno);
2907 inode_info(inoinfo1, sizeof(inoinfo1), &stat1, v1);
2909 if (fstat64(fd2, &stat2) < 0) {
2911 printf("%d/%d: splice write - fstat64 %s failed %d\n",
2912 procid, opno, fpath2.path, errno);
2915 inode_info(inoinfo2, sizeof(inoinfo2), &stat2, v2);
2917 /* Calculate offsets */
2918 len = (random() % FILELEN_MAX) + 1;
2920 len = stat1.st_blksize;
2921 if (len > stat1.st_size)
2922 len = stat1.st_size;
2924 lr = ((int64_t)random() << 32) + random();
2925 if (stat1.st_size == len)
2928 off1 = (off64_t)(lr % MIN(stat1.st_size - len, MAXFSIZE));
2932 * splice can overlap write, so the offset of the target file can be
2933 * any number. But to avoid too large offset, add a clamp of 1024 blocks
2934 * past the current dest file EOF
2936 lr = ((int64_t)random() << 32) + random();
2937 off2 = (off64_t)(lr % MIN(stat2.st_size + (1024ULL * stat2.st_blksize), MAXFSIZE));
2940 * Since len, off1 and off2 will be changed later, preserve their
2947 /* Pipe initialize */
2948 if (pipe(filedes) < 0) {
2950 printf("%d/%d: splice - pipe failed %d\n",
2951 procid, opno, errno);
2959 /* move to pipe buffer */
2960 ret1 = splice(fd1, &off1, filedes[1], NULL, len, 0);
2966 /* move from pipe buffer to dst file */
2968 ret2 = splice(filedes[0], NULL, fd2, &off2, bytes, 0);
2981 if (ret1 < 0 || ret2 < 0)
2986 printf("%d/%d: splice %s%s [%lld,%lld] -> %s%s [%lld,%lld] %d",
2988 fpath1.path, inoinfo1, (long long)offset1, (long long)length,
2989 fpath2.path, inoinfo2, (long long)offset2, (long long)length, e);
2991 if (length && length > total)
2992 printf(" asked for %lld, spliced %lld??\n",
2993 (long long)length, (long long)total);
3004 free_pathname(&fpath2);
3006 free_pathname(&fpath1);
3010 creat_f(int opno, long r)
3025 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
3030 e1 = (random() % 100);
3031 type = rtpct ? ((e1 > rtpct) ? FT_REG : FT_RTF) : FT_REG;
3033 if (type == FT_RTF) /* rt always gets an extsize */
3034 extsize = (random() % 10) + 1;
3035 else if (e1 < 10) /* one-in-ten get an extsize */
3036 extsize = random() % 1024;
3040 e = generate_fname(fep, type, &f, &id, &v);
3044 (void)fent_to_name(&f, &flist[FT_DIR], fep);
3045 printf("%d/%d: creat - no filename from %s\n",
3046 procid, opno, f.path);
3051 fd = creat_path(&f, 0666);
3052 e = fd < 0 ? errno : 0;
3057 xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
3058 if (type == FT_RTF) {
3059 a.fsx_xflags |= XFS_XFLAG_REALTIME;
3060 a.fsx_extsize = extsize *
3061 geom.rtextsize * geom.blocksize;
3063 } else if (extsize) {
3064 a.fsx_xflags |= XFS_XFLAG_EXTSIZE;
3065 a.fsx_extsize = extsize * geom.blocksize;
3068 if (xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &a) < 0)
3071 add_to_flist(type, id, parid, 0);
3075 printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
3076 extsize ? a.fsx_extsize : 0, e, e1);
3077 printf("%d/%d: creat add id=%d,parent=%d\n", procid, opno, id, parid);
3083 dread_f(int opno, long r)
3087 struct dioattr diob;
3100 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3102 printf("%d/%d: dread - no filename\n", procid, opno);
3106 fd = open_path(&f, O_RDONLY|O_DIRECT);
3107 e = fd < 0 ? errno : 0;
3111 printf("%d/%d: dread - open %s failed %d\n",
3112 procid, opno, f.path, e);
3116 if (fstat64(fd, &stb) < 0) {
3118 printf("%d/%d: dread - fstat64 %s failed %d\n",
3119 procid, opno, f.path, errno);
3124 inode_info(st, sizeof(st), &stb, v);
3125 if (stb.st_size == 0) {
3127 printf("%d/%d: dread - %s%s zero size\n", procid, opno,
3133 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
3136 "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s%s return %d,"
3137 " fallback to stat()\n",
3138 procid, opno, f.path, st, errno);
3139 diob.d_mem = diob.d_miniosz = stb.st_blksize;
3140 diob.d_maxiosz = INT_MAX & ~(diob.d_miniosz - 1);
3143 dio_env = getenv("XFS_DIO_MIN");
3145 diob.d_mem = diob.d_miniosz = atoi(dio_env);
3147 align = (int64_t)diob.d_miniosz;
3148 lr = ((int64_t)random() << 32) + random();
3149 off = (off64_t)(lr % stb.st_size);
3150 off -= (off % align);
3151 lseek64(fd, off, SEEK_SET);
3152 len = (random() % FILELEN_MAX) + 1;
3153 len -= (len % align);
3156 else if (len > diob.d_maxiosz)
3157 len = diob.d_maxiosz;
3158 buf = memalign(diob.d_mem, len);
3159 e = read(fd, buf, len) < 0 ? errno : 0;
3162 printf("%d/%d: dread %s%s [%lld,%d] %d\n",
3163 procid, opno, f.path, st, (long long)off, (int)len, e);
3169 dwrite_f(int opno, long r)
3173 struct dioattr diob;
3186 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3188 printf("%d/%d: dwrite - no filename\n", procid, opno);
3192 fd = open_path(&f, O_WRONLY|O_DIRECT);
3193 e = fd < 0 ? errno : 0;
3197 printf("%d/%d: dwrite - open %s failed %d\n",
3198 procid, opno, f.path, e);
3202 if (fstat64(fd, &stb) < 0) {
3204 printf("%d/%d: dwrite - fstat64 %s failed %d\n",
3205 procid, opno, f.path, errno);
3210 inode_info(st, sizeof(st), &stb, v);
3211 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
3213 printf("%d/%d: dwrite - xfsctl(XFS_IOC_DIOINFO)"
3214 " %s%s return %d, fallback to stat()\n",
3215 procid, opno, f.path, st, errno);
3216 diob.d_mem = diob.d_miniosz = stb.st_blksize;
3217 diob.d_maxiosz = INT_MAX & ~(diob.d_miniosz - 1);
3220 dio_env = getenv("XFS_DIO_MIN");
3222 diob.d_mem = diob.d_miniosz = atoi(dio_env);
3224 align = (int64_t)diob.d_miniosz;
3225 lr = ((int64_t)random() << 32) + random();
3226 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3227 off -= (off % align);
3228 lseek64(fd, off, SEEK_SET);
3229 len = (random() % FILELEN_MAX) + 1;
3230 len -= (len % align);
3233 else if (len > diob.d_maxiosz)
3234 len = diob.d_maxiosz;
3235 buf = memalign(diob.d_mem, len);
3237 lseek64(fd, off, SEEK_SET);
3238 memset(buf, nameseq & 0xff, len);
3239 e = write(fd, buf, len) < 0 ? errno : 0;
3242 printf("%d/%d: dwrite %s%s [%lld,%d] %d\n",
3243 procid, opno, f.path, st, (long long)off, (int)len, e);
3249 #ifdef HAVE_LINUX_FALLOC_H
3250 struct print_flags falloc_flags [] = {
3251 { FALLOC_FL_KEEP_SIZE, "KEEP_SIZE"},
3252 { FALLOC_FL_PUNCH_HOLE, "PUNCH_HOLE"},
3253 { FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"},
3254 { FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"},
3255 { FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"},
3256 { FALLOC_FL_INSERT_RANGE, "INSERT_RANGE"},
3260 #define translate_falloc_flags(mode) \
3261 ({translate_flags(mode, "|", falloc_flags);})
3265 do_fallocate(int opno, long r, int mode)
3267 #ifdef HAVE_LINUX_FALLOC_H
3279 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3281 printf("%d/%d: do_fallocate - no filename\n", procid, opno);
3285 fd = open_path(&f, O_RDWR);
3288 printf("%d/%d: do_fallocate - open %s failed %d\n",
3289 procid, opno, f.path, errno);
3294 if (fstat64(fd, &stb) < 0) {
3296 printf("%d/%d: do_fallocate - fstat64 %s failed %d\n",
3297 procid, opno, f.path, errno);
3302 inode_info(st, sizeof(st), &stb, v);
3303 lr = ((int64_t)random() << 32) + random();
3304 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3306 len = (off64_t)(random() % (1024 * 1024));
3308 * Collapse/insert range requires off and len to be block aligned,
3309 * make it more likely to be the case.
3311 if ((mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)) &&
3313 off = ((off + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
3314 len = ((len + stb.st_blksize - 1) & ~(stb.st_blksize - 1));
3316 mode |= FALLOC_FL_KEEP_SIZE & random();
3317 e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
3319 printf("%d/%d: fallocate(%s) %s %st %lld %lld %d\n",
3320 procid, opno, translate_falloc_flags(mode),
3321 f.path, st, (long long)off, (long long)len, e);
3328 fallocate_f(int opno, long r)
3330 #ifdef HAVE_LINUX_FALLOC_H
3331 do_fallocate(opno, r, 0);
3336 fdatasync_f(int opno, long r)
3344 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3346 printf("%d/%d: fdatasync - no filename\n",
3351 fd = open_path(&f, O_WRONLY);
3352 e = fd < 0 ? errno : 0;
3356 printf("%d/%d: fdatasync - open %s failed %d\n",
3357 procid, opno, f.path, e);
3361 e = fdatasync(fd) < 0 ? errno : 0;
3363 printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
3368 #ifdef HAVE_LINUX_FIEMAP_H
3369 struct print_flags fiemap_flags[] = {
3370 { FIEMAP_FLAG_SYNC, "SYNC"},
3371 { FIEMAP_FLAG_XATTR, "XATTR"},
3375 #define translate_fiemap_flags(mode) \
3376 ({translate_flags(mode, "|", fiemap_flags);})
3380 fiemap_f(int opno, long r)
3382 #ifdef HAVE_LINUX_FIEMAP_H
3392 struct fiemap *fiemap;
3395 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3397 printf("%d/%d: fiemap - no filename\n", procid, opno);
3401 fd = open_path(&f, O_RDWR);
3402 e = fd < 0 ? errno : 0;
3406 printf("%d/%d: fiemap - open %s failed %d\n",
3407 procid, opno, f.path, e);
3411 if (fstat64(fd, &stb) < 0) {
3413 printf("%d/%d: fiemap - fstat64 %s failed %d\n",
3414 procid, opno, f.path, errno);
3419 inode_info(st, sizeof(st), &stb, v);
3420 blocks_to_map = random() & 0xffff;
3421 fiemap = (struct fiemap *)malloc(sizeof(struct fiemap) +
3422 (blocks_to_map * sizeof(struct fiemap_extent)));
3425 printf("%d/%d: malloc failed \n", procid, opno);
3430 lr = ((int64_t)random() << 32) + random();
3431 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3433 fiemap->fm_flags = random() & (FIEMAP_FLAGS_COMPAT | 0x10000);
3434 fiemap->fm_extent_count = blocks_to_map;
3435 fiemap->fm_mapped_extents = random() & 0xffff;
3436 fiemap->fm_start = off;
3437 fiemap->fm_length = ((int64_t)random() << 32) + random();
3439 e = ioctl(fd, FS_IOC_FIEMAP, (unsigned long)fiemap);
3441 printf("%d/%d: ioctl(FIEMAP) %s%s %lld %lld (%s) %d\n",
3442 procid, opno, f.path, st, (long long)fiemap->fm_start,
3443 (long long) fiemap->fm_length,
3444 translate_fiemap_flags(fiemap->fm_flags), e);
3452 freesp_f(int opno, long r)
3457 struct xfs_flock64 fl;
3465 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3467 printf("%d/%d: freesp - no filename\n", procid, opno);
3471 fd = open_path(&f, O_RDWR);
3472 e = fd < 0 ? errno : 0;
3476 printf("%d/%d: freesp - open %s failed %d\n",
3477 procid, opno, f.path, e);
3481 if (fstat64(fd, &stb) < 0) {
3483 printf("%d/%d: freesp - fstat64 %s failed %d\n",
3484 procid, opno, f.path, errno);
3489 inode_info(st, sizeof(st), &stb, v);
3490 lr = ((int64_t)random() << 32) + random();
3491 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
3493 fl.l_whence = SEEK_SET;
3496 e = xfsctl(f.path, fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
3498 printf("%d/%d: xfsctl(XFS_IOC_FREESP64) %s%s %lld 0 %d\n",
3499 procid, opno, f.path, st, (long long)off, e);
3505 fsync_f(int opno, long r)
3513 if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, NULL, &v)) {
3515 printf("%d/%d: fsync - no filename\n", procid, opno);
3519 fd = open_file_or_dir(&f, O_WRONLY);
3520 e = fd < 0 ? errno : 0;
3524 printf("%d/%d: fsync - open %s failed %d\n",
3525 procid, opno, f.path, e);
3529 e = fsync(fd) < 0 ? errno : 0;
3531 printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
3537 gen_random_string(int len)
3539 static const char charset[] = "0123456789"
3540 "abcdefghijklmnopqrstuvwxyz"
3541 "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
3552 for (i = 0; i < len; i++)
3553 s[i] = charset[random() % sizeof(charset)];
3559 getattr_f(int opno, long r)
3568 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
3569 append_pathname(&f, ".");
3570 fd = open_path(&f, O_RDWR);
3571 e = fd < 0 ? errno : 0;
3574 e = ioctl(fd, FS_IOC_GETFLAGS, &fl);
3576 printf("%d/%d: getattr %s %u %d\n", procid, opno, f.path, fl, e);
3582 getdents_f(int opno, long r)
3589 if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
3590 append_pathname(&f, ".");
3591 dir = opendir_path(&f);
3595 printf("%d/%d: getdents - can't open %s\n",
3596 procid, opno, f.path);
3600 while (readdir64(dir) != NULL)
3603 printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
3609 getfattr_f(int opno, long r)
3615 char name[XATTR_NAME_BUF_SIZE];
3621 if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, &fep, &v)) {
3623 printf("%d/%d: getfattr - no filename\n", procid, opno);
3629 * If the file/dir has xattrs, pick one randomly, otherwise attempt
3630 * to read a xattr that doesn't exist (fgetxattr should fail with
3631 * errno set to ENOATTR (61) in this case).
3633 if (fep->xattr_counter > 0)
3634 xattr_num = (random() % fep->xattr_counter) + 1;
3638 e = generate_xattr_name(xattr_num, name, sizeof(name));
3640 printf("%d/%d: getfattr - file %s failed to generate xattr name: %d\n",
3641 procid, opno, f.path, e);
3645 value_len = getxattr(f.path, name, NULL, 0);
3646 if (value_len < 0) {
3648 printf("%d/%d: getfattr file %s name %s failed %d\n",
3649 procid, opno, f.path, name, errno);
3653 /* A xattr without value.*/
3654 if (value_len == 0) {
3659 value = malloc(value_len);
3662 printf("%d/%d: getfattr file %s failed to allocate buffer with %d bytes\n",
3663 procid, opno, f.path, value_len);
3667 e = getxattr(f.path, name, value, value_len) < 0 ? errno : 0;
3670 printf("%d/%d: getfattr file %s name %s value length %d %d\n",
3671 procid, opno, f.path, name, value_len, e);
3678 link_f(int opno, long r)
3692 if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep_src, &v1)) {
3694 printf("%d/%d: link - no file\n", procid, opno);
3698 if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
3704 e = generate_fname(fep, flp - flist, &l, &id, &v1);
3708 (void)fent_to_name(&l, &flist[FT_DIR], fep);
3709 printf("%d/%d: link - no filename from %s\n",
3710 procid, opno, l.path);
3716 e = link_path(&f, &l) < 0 ? errno : 0;
3719 add_to_flist(flp - flist, id, parid, fep_src->xattr_counter);
3721 printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
3723 printf("%d/%d: link add id=%d,parent=%d\n", procid, opno, id, parid);
3730 listfattr_f(int opno, long r)
3736 char *buffer = NULL;
3740 if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, &fep, &v)) {
3742 printf("%d/%d: listfattr - no filename\n", procid, opno);
3747 e = listxattr(f.path, NULL, 0);
3750 printf("%d/%d: listfattr %s failed %d\n",
3751 procid, opno, f.path, errno);
3755 if (buffer_len == 0) {
3757 printf("%d/%d: listfattr %s - has no extended attributes\n",
3758 procid, opno, f.path);
3762 buffer = malloc(buffer_len);
3765 printf("%d/%d: listfattr %s failed to allocate buffer with %d bytes\n",
3766 procid, opno, f.path, buffer_len);
3770 e = listxattr(f.path, buffer, buffer_len) < 0 ? errno : 0;
3772 printf("%d/%d: listfattr %s buffer length %d %d\n",
3773 procid, opno, f.path, buffer_len, e);
3780 mkdir_f(int opno, long r)
3790 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
3795 e = generate_fname(fep, FT_DIR, &f, &id, &v1);
3799 (void)fent_to_name(&f, &flist[FT_DIR], fep);
3800 printf("%d/%d: mkdir - no filename from %s\n",
3801 procid, opno, f.path);
3806 e = mkdir_path(&f, 0777) < 0 ? errno : 0;
3809 add_to_flist(FT_DIR, id, parid, 0);
3811 printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
3812 printf("%d/%d: mkdir add id=%d,parent=%d\n", procid, opno, id, parid);
3818 mknod_f(int opno, long r)
3828 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
3833 e = generate_fname(fep, FT_DEV, &f, &id, &v1);
3837 (void)fent_to_name(&f, &flist[FT_DIR], fep);
3838 printf("%d/%d: mknod - no filename from %s\n",
3839 procid, opno, f.path);
3844 e = mknod_path(&f, S_IFCHR|0444, 0) < 0 ? errno : 0;
3847 add_to_flist(FT_DEV, id, parid, 0);
3849 printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
3850 printf("%d/%d: mknod add id=%d,parent=%d\n", procid, opno, id, parid);
3855 #ifdef HAVE_SYS_MMAN_H
3856 struct print_flags mmap_flags[] = {
3857 { MAP_SHARED, "SHARED"},
3858 { MAP_PRIVATE, "PRIVATE"},
3862 #define translate_mmap_flags(flags) \
3863 ({translate_flags(flags, "|", mmap_flags);})
3867 do_mmap(int opno, long r, int prot)
3869 #ifdef HAVE_SYS_MMAN_H
3881 sigjmp_buf sigbus_jmpbuf;
3884 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
3886 printf("%d/%d: do_mmap - no filename\n", procid, opno);
3890 fd = open_path(&f, O_RDWR);
3891 e = fd < 0 ? errno : 0;
3895 printf("%d/%d: do_mmap - open %s failed %d\n",
3896 procid, opno, f.path, e);
3900 if (fstat64(fd, &stb) < 0) {
3902 printf("%d/%d: do_mmap - fstat64 %s failed %d\n",
3903 procid, opno, f.path, errno);
3908 inode_info(st, sizeof(st), &stb, v);
3909 if (stb.st_size == 0) {
3911 printf("%d/%d: do_mmap - %s%s zero size\n", procid, opno,
3918 lr = ((int64_t)random() << 32) + random();
3919 off = (off64_t)(lr % stb.st_size);
3920 off &= (off64_t)(~(sysconf(_SC_PAGE_SIZE) - 1));
3921 len = (size_t)(random() % MIN(stb.st_size - off, FILELEN_MAX)) + 1;
3923 flags = (random() % 2) ? MAP_SHARED : MAP_PRIVATE;
3924 addr = mmap(NULL, len, prot, flags, fd, off);
3925 e = (addr == MAP_FAILED) ? errno : 0;
3928 printf("%d/%d: do_mmap - mmap failed %s%s [%lld,%d,%s] %d\n",
3929 procid, opno, f.path, st, (long long)off,
3930 (int)len, translate_mmap_flags(flags), e);
3936 if (prot & PROT_WRITE) {
3937 if ((e = sigsetjmp(sigbus_jmpbuf, 1)) == 0) {
3938 sigbus_jmp = &sigbus_jmpbuf;
3939 memset(addr, nameseq & 0xff, len);
3943 if ((buf = malloc(len)) != NULL) {
3944 memcpy(buf, addr, len);
3949 /* set NULL to stop other functions from doing siglongjmp */
3953 printf("%d/%d: %s %s%s [%lld,%d,%s] %s\n",
3954 procid, opno, (prot & PROT_WRITE) ? "mwrite" : "mread",
3955 f.path, st, (long long)off, (int)len,
3956 translate_mmap_flags(flags),
3957 (e == 0) ? "0" : "Bus error");
3965 mread_f(int opno, long r)
3967 #ifdef HAVE_SYS_MMAN_H
3968 do_mmap(opno, r, PROT_READ);
3973 mwrite_f(int opno, long r)
3975 #ifdef HAVE_SYS_MMAN_H
3976 do_mmap(opno, r, PROT_WRITE);
3981 punch_f(int opno, long r)
3983 #ifdef HAVE_LINUX_FALLOC_H
3984 do_fallocate(opno, r, FALLOC_FL_PUNCH_HOLE);
3989 zero_f(int opno, long r)
3991 #ifdef HAVE_LINUX_FALLOC_H
3992 do_fallocate(opno, r, FALLOC_FL_ZERO_RANGE);
3997 collapse_f(int opno, long r)
3999 #ifdef HAVE_LINUX_FALLOC_H
4000 do_fallocate(opno, r, FALLOC_FL_COLLAPSE_RANGE);
4005 insert_f(int opno, long r)
4007 #ifdef HAVE_LINUX_FALLOC_H
4008 do_fallocate(opno, r, FALLOC_FL_INSERT_RANGE);
4013 read_f(int opno, long r)
4027 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
4029 printf("%d/%d: read - no filename\n", procid, opno);
4033 fd = open_path(&f, O_RDONLY);
4034 e = fd < 0 ? errno : 0;
4038 printf("%d/%d: read - open %s failed %d\n",
4039 procid, opno, f.path, e);
4043 if (fstat64(fd, &stb) < 0) {
4045 printf("%d/%d: read - fstat64 %s failed %d\n",
4046 procid, opno, f.path, errno);
4051 inode_info(st, sizeof(st), &stb, v);
4052 if (stb.st_size == 0) {
4054 printf("%d/%d: read - %s%s zero size\n", procid, opno,
4060 lr = ((int64_t)random() << 32) + random();
4061 off = (off64_t)(lr % stb.st_size);
4062 lseek64(fd, off, SEEK_SET);
4063 len = (random() % FILELEN_MAX) + 1;
4065 e = read(fd, buf, len) < 0 ? errno : 0;
4068 printf("%d/%d: read %s%s [%lld,%d] %d\n",
4069 procid, opno, f.path, st, (long long)off, (int)len, e);
4075 readlink_f(int opno, long r)
4083 if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
4085 printf("%d/%d: readlink - no filename\n", procid, opno);
4089 e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
4092 printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
4097 readv_f(int opno, long r)
4109 struct iovec *iov = NULL;
4116 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
4118 printf("%d/%d: readv - no filename\n", procid, opno);
4122 fd = open_path(&f, O_RDONLY);
4123 e = fd < 0 ? errno : 0;
4127 printf("%d/%d: readv - open %s failed %d\n",
4128 procid, opno, f.path, e);
4132 if (fstat64(fd, &stb) < 0) {
4134 printf("%d/%d: readv - fstat64 %s failed %d\n",
4135 procid, opno, f.path, errno);
4140 inode_info(st, sizeof(st), &stb, v);
4141 if (stb.st_size == 0) {
4143 printf("%d/%d: readv - %s%s zero size\n", procid, opno,
4149 lr = ((int64_t)random() << 32) + random();
4150 off = (off64_t)(lr % stb.st_size);
4151 lseek64(fd, off, SEEK_SET);
4152 len = (random() % FILELEN_MAX) + 1;
4155 iovcnt = (random() % MIN(len, IOV_MAX)) + 1;
4156 iov = calloc(iovcnt, sizeof(struct iovec));
4157 iovl = len / iovcnt;
4159 for (i=0; i<iovcnt; i++) {
4160 (iov + i)->iov_base = (buf + iovb);
4161 (iov + i)->iov_len = iovl;
4165 e = readv(fd, iov, iovcnt) < 0 ? errno : 0;
4168 printf("%d/%d: readv %s%s [%lld,%d,%d] %d\n",
4169 procid, opno, f.path, st, (long long)off, (int)iovl,
4176 removefattr_f(int opno, long r)
4182 char name[XATTR_NAME_BUF_SIZE];
4186 if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, &fep, &v)) {
4188 printf("%d/%d: removefattr - no filename\n", procid, opno);
4194 * If the file/dir has xattrs, pick one randomly, otherwise attempt to
4195 * remove a xattr that doesn't exist (fremovexattr should fail with
4196 * errno set to ENOATTR (61) in this case).
4198 if (fep->xattr_counter > 0)
4199 xattr_num = (random() % fep->xattr_counter) + 1;
4203 e = generate_xattr_name(xattr_num, name, sizeof(name));
4205 printf("%d/%d: removefattr - file %s failed to generate xattr name: %d\n",
4206 procid, opno, f.path, e);
4210 e = removexattr(f.path, name) < 0 ? errno : 0;
4212 printf("%d/%d: removefattr file %s name %s %d\n",
4213 procid, opno, f.path, name, e);
4219 rename_f(int opno, long r)
4233 /* get an existing path for the source of the rename */
4235 if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
4237 printf("%d/%d: rename - no filename\n", procid, opno);
4242 /* get an existing directory for the destination parent directory name */
4243 if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
4249 /* generate a new path using an existing parent directory in name */
4250 init_pathname(&newf);
4251 e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
4255 (void)fent_to_name(&f, &flist[FT_DIR], dfep);
4256 printf("%d/%d: rename - no filename from %s\n",
4257 procid, opno, f.path);
4259 free_pathname(&newf);
4263 e = rename_path(&f, &newf) < 0 ? errno : 0;
4266 int xattr_counter = fep->xattr_counter;
4268 if (flp - flist == FT_DIR) {
4270 fix_parent(oldid, id);
4272 del_from_flist(flp - flist, fep - flp->fents);
4273 add_to_flist(flp - flist, id, parid, xattr_counter);
4276 printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
4279 printf("%d/%d: rename del entry: id=%d,parent=%d\n",
4280 procid, opno, fep->id, fep->parent);
4281 printf("%d/%d: rename add entry: id=%d,parent=%d\n",
4282 procid, opno, id, parid);
4285 free_pathname(&newf);
4290 resvsp_f(int opno, long r)
4295 struct xfs_flock64 fl;
4303 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
4305 printf("%d/%d: resvsp - no filename\n", procid, opno);
4309 fd = open_path(&f, O_RDWR);
4310 e = fd < 0 ? errno : 0;
4314 printf("%d/%d: resvsp - open %s failed %d\n",
4315 procid, opno, f.path, e);
4319 if (fstat64(fd, &stb) < 0) {
4321 printf("%d/%d: resvsp - fstat64 %s failed %d\n",
4322 procid, opno, f.path, errno);
4327 inode_info(st, sizeof(st), &stb, v);
4328 lr = ((int64_t)random() << 32) + random();
4329 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
4331 fl.l_whence = SEEK_SET;
4333 fl.l_len = (off64_t)(random() % (1024 * 1024));
4334 e = xfsctl(f.path, fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
4336 printf("%d/%d: xfsctl(XFS_IOC_RESVSP64) %s%s %lld %lld %d\n",
4337 procid, opno, f.path, st,
4338 (long long)off, (long long)fl.l_len, e);
4344 rmdir_f(int opno, long r)
4352 if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
4354 printf("%d/%d: rmdir - no directory\n", procid, opno);
4358 e = rmdir_path(&f) < 0 ? errno : 0;
4361 del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
4363 printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
4365 printf("%d/%d: rmdir del entry: id=%d,parent=%d\n",
4366 procid, opno, fep->id, fep->parent);
4372 setattr_f(int opno, long r)
4381 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
4382 append_pathname(&f, ".");
4383 fd = open_path(&f, O_RDWR);
4384 e = fd < 0 ? errno : 0;
4387 fl = attr_mask & (uint)random();
4388 e = ioctl(fd, FS_IOC_SETFLAGS, &fl);
4390 printf("%d/%d: setattr %s %x %d\n", procid, opno, f.path, fl, e);
4396 setfattr_f(int opno, long r)
4403 char name[XATTR_NAME_BUF_SIZE];
4409 if (!get_fname(FT_REGFILE | FT_DIRm, r, &f, NULL, &fep, &v)) {
4411 printf("%d/%d: setfattr - no filename\n", procid, opno);
4416 if ((fep->xattr_counter > 0) && (random() % 2)) {
4418 * Use an existing xattr name for replacing its value or
4419 * create again a xattr that was previously deleted.
4421 xattr_num = (random() % fep->xattr_counter) + 1;
4423 flag = XATTR_REPLACE;
4425 /* Use a new xattr name. */
4426 xattr_num = fep->xattr_counter + 1;
4428 * Don't always use the create flag because even if our xattr
4429 * counter is 0, we may still have xattrs associated to this
4430 * file (this happens when xattrs are added to a file through
4431 * one of its other hard links), so we can end up updating an
4432 * existing xattr too.
4435 flag = XATTR_CREATE;
4439 * The maximum supported value size depends on the filesystem
4440 * implementation, but 100 bytes is a safe value for most filesystems
4443 value_len = random() % 101;
4444 value = gen_random_string(value_len);
4445 if (!value && value_len > 0) {
4447 printf("%d/%d: setfattr - file %s failed to allocate value with %d bytes\n",
4448 procid, opno, f.path, value_len);
4451 e = generate_xattr_name(xattr_num, name, sizeof(name));
4453 printf("%d/%d: setfattr - file %s failed to generate xattr name: %d\n",
4454 procid, opno, f.path, e);
4458 e = setxattr(f.path, name, value, value_len, flag) < 0 ? errno : 0;
4460 fep->xattr_counter++;
4462 printf("%d/%d: setfattr file %s name %s flag %s value length %d: %d\n",
4463 procid, opno, f.path, name, xattr_flag_to_string(flag),
4471 stat_f(int opno, long r)
4479 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
4481 printf("%d/%d: stat - no entries\n", procid, opno);
4485 e = lstat64_path(&f, &stb) < 0 ? errno : 0;
4488 printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
4493 symlink_f(int opno, long r)
4506 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
4511 e = generate_fname(fep, FT_SYM, &f, &id, &v1);
4515 (void)fent_to_name(&f, &flist[FT_DIR], fep);
4516 printf("%d/%d: symlink - no filename from %s\n",
4517 procid, opno, f.path);
4522 len = (int)(random() % PATH_MAX);
4523 val = malloc(len + 1);
4525 memset(val, 'x', len);
4527 for (i = 10; i < len - 1; i += 10)
4529 e = symlink_path(val, &f) < 0 ? errno : 0;
4532 add_to_flist(FT_SYM, id, parid, 0);
4535 printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
4536 printf("%d/%d: symlink add id=%d,parent=%d\n", procid, opno, id, parid);
4543 sync_f(int opno, long r)
4547 printf("%d/%d: sync\n", procid, opno);
4551 truncate_f(int opno, long r)
4562 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
4564 printf("%d/%d: truncate - no filename\n", procid, opno);
4568 e = stat64_path(&f, &stb) < 0 ? errno : 0;
4572 printf("%d/%d: truncate - stat64 %s failed %d\n",
4573 procid, opno, f.path, e);
4577 inode_info(st, sizeof(st), &stb, v);
4578 lr = ((int64_t)random() << 32) + random();
4579 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
4581 e = truncate64_path(&f, off) < 0 ? errno : 0;
4584 printf("%d/%d: truncate %s%s %lld %d\n", procid, opno, f.path,
4585 st, (long long)off, e);
4590 unlink_f(int opno, long r)
4599 if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
4601 printf("%d/%d: unlink - no file\n", procid, opno);
4605 e = unlink_path(&f) < 0 ? errno : 0;
4608 del_from_flist(flp - flist, fep - flp->fents);
4610 printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
4612 printf("%d/%d: unlink del entry: id=%d,parent=%d\n",
4613 procid, opno, fep->id, fep->parent);
4619 unresvsp_f(int opno, long r)
4624 struct xfs_flock64 fl;
4632 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
4634 printf("%d/%d: unresvsp - no filename\n", procid, opno);
4638 fd = open_path(&f, O_RDWR);
4639 e = fd < 0 ? errno : 0;
4643 printf("%d/%d: unresvsp - open %s failed %d\n",
4644 procid, opno, f.path, e);
4648 if (fstat64(fd, &stb) < 0) {
4650 printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
4651 procid, opno, f.path, errno);
4656 inode_info(st, sizeof(st), &stb, v);
4657 lr = ((int64_t)random() << 32) + random();
4658 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
4660 fl.l_whence = SEEK_SET;
4662 fl.l_len = (off64_t)(random() % (1 << 20));
4663 e = xfsctl(f.path, fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
4665 printf("%d/%d: xfsctl(XFS_IOC_UNRESVSP64) %s%s %lld %lld %d\n",
4666 procid, opno, f.path, st,
4667 (long long)off, (long long)fl.l_len, e);
4673 write_f(int opno, long r)
4687 if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
4689 printf("%d/%d: write - no filename\n", procid, opno);
4693 fd = open_path(&f, O_WRONLY);
4694 e = fd < 0 ? errno : 0;
4698 printf("%d/%d: write - open %s failed %d\n",
4699 procid, opno, f.path, e);
4703 if (fstat64(fd, &stb) < 0) {
4705 printf("%d/%d: write - fstat64 %s failed %d\n",
4706 procid, opno, f.path, errno);
4711 inode_info(st, sizeof(st), &stb, v);
4712 lr = ((int64_t)random() << 32) + random();
4713 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
4715 lseek64(fd, off, SEEK_SET);
4716 len = (random() % FILELEN_MAX) + 1;
4718 memset(buf, nameseq & 0xff, len);
4719 e = write(fd, buf, len) < 0 ? errno : 0;
4722 printf("%d/%d: write %s%s [%lld,%d] %d\n",
4723 procid, opno, f.path, st, (long long)off, (int)len, e);
4729 writev_f(int opno, long r)
4741 struct iovec *iov = NULL;
4748 if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
4750 printf("%d/%d: writev - no filename\n", procid, opno);
4754 fd = open_path(&f, O_WRONLY);
4755 e = fd < 0 ? errno : 0;
4759 printf("%d/%d: writev - open %s failed %d\n",
4760 procid, opno, f.path, e);
4764 if (fstat64(fd, &stb) < 0) {
4766 printf("%d/%d: writev - fstat64 %s failed %d\n",
4767 procid, opno, f.path, errno);
4772 inode_info(st, sizeof(st), &stb, v);
4773 lr = ((int64_t)random() << 32) + random();
4774 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
4776 lseek64(fd, off, SEEK_SET);
4777 len = (random() % FILELEN_MAX) + 1;
4779 memset(buf, nameseq & 0xff, len);
4781 iovcnt = (random() % MIN(len, IOV_MAX)) + 1;
4782 iov = calloc(iovcnt, sizeof(struct iovec));
4783 iovl = len / iovcnt;
4785 for (i=0; i<iovcnt; i++) {
4786 (iov + i)->iov_base = (buf + iovb);
4787 (iov + i)->iov_len = iovl;
4791 e = writev(fd, iov, iovcnt) < 0 ? errno : 0;
4795 printf("%d/%d: writev %s%s [%lld,%d,%d] %d\n",
4796 procid, opno, f.path, st, (long long)off, (int)iovl,
4803 xattr_flag_to_string(int flag)
4805 if (flag == XATTR_CREATE)
4807 if (flag == XATTR_REPLACE)