2 * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
28 * For further information regarding this notice, see:
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
33 #include <xfs/libxfs.h>
34 #include <attr/xattr.h>
35 #include <attr/attributes.h>
36 #include <sys/statvfs.h>
41 #define XFS_ERRTAG_MAX 17
42 #define XFS_IDMODULO_MAX 32
76 typedef void (*opfnc_t)(int, long);
78 typedef struct opdesc {
91 typedef struct flist {
98 typedef struct pathname {
104 #define FT_DIRm (1 << FT_DIR)
106 #define FT_REGm (1 << FT_REG)
108 #define FT_SYMm (1 << FT_SYM)
110 #define FT_DEVm (1 << FT_DEV)
112 #define FT_RTFm (1 << FT_RTF)
114 #define FT_ANYm ((1 << FT_nft) - 1)
115 #define FT_REGFILE (FT_REGm | FT_RTFm)
116 #define FT_NOTDIR (FT_ANYm & ~FT_DIRm)
118 #define FLIST_SLOT_INCR 16
121 #define MAXFSIZE ((1ULL << 63) - 1ULL)
122 #define MAXFSIZE32 ((1ULL << 40) - 1ULL)
124 void allocsp_f(int, long);
125 void attr_remove_f(int, long);
126 void attr_set_f(int, long);
127 void bulkstat_f(int, long);
128 void bulkstat1_f(int, long);
129 void chown_f(int, long);
130 void creat_f(int, long);
131 void dread_f(int, long);
132 void dwrite_f(int, long);
133 void fdatasync_f(int, long);
134 void freesp_f(int, long);
135 void fsync_f(int, long);
136 void getdents_f(int, long);
137 void link_f(int, long);
138 void mkdir_f(int, long);
139 void mknod_f(int, long);
140 void read_f(int, long);
141 void readlink_f(int, long);
142 void rename_f(int, long);
143 void resvsp_f(int, long);
144 void rmdir_f(int, long);
145 void stat_f(int, long);
146 void symlink_f(int, long);
147 void sync_f(int, long);
148 void truncate_f(int, long);
149 void unlink_f(int, long);
150 void unresvsp_f(int, long);
151 void write_f(int, long);
154 { OP_ALLOCSP, "allocsp", allocsp_f, 1, 1 },
155 { OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1 },
156 { OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1 },
157 { OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0 },
158 { OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0 },
159 { OP_CHOWN, "chown", chown_f, 3, 1 },
160 { OP_CREAT, "creat", creat_f, 4, 1 },
161 { OP_DREAD, "dread", dread_f, 4, 0 },
162 { OP_DWRITE, "dwrite", dwrite_f, 4, 1 },
163 { OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1 },
164 { OP_FREESP, "freesp", freesp_f, 1, 1 },
165 { OP_FSYNC, "fsync", fsync_f, 1, 1 },
166 { OP_GETDENTS, "getdents", getdents_f, 1, 0 },
167 { OP_LINK, "link", link_f, 1, 1 },
168 { OP_MKDIR, "mkdir", mkdir_f, 2, 1 },
169 { OP_MKNOD, "mknod", mknod_f, 2, 1 },
170 { OP_READ, "read", read_f, 1, 0 },
171 { OP_READLINK, "readlink", readlink_f, 1, 0 },
172 { OP_RENAME, "rename", rename_f, 2, 1 },
173 { OP_RESVSP, "resvsp", resvsp_f, 1, 1 },
174 { OP_RMDIR, "rmdir", rmdir_f, 1, 1 },
175 { OP_STAT, "stat", stat_f, 1, 0 },
176 { OP_SYMLINK, "symlink", symlink_f, 2, 1 },
177 { OP_SYNC, "sync", sync_f, 1, 0 },
178 { OP_TRUNCATE, "truncate", truncate_f, 2, 1 },
179 { OP_UNLINK, "unlink", unlink_f, 1, 1 },
180 { OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1 },
181 { OP_WRITE, "write", write_f, 4, 1 },
184 flist_t flist[FT_nft] = {
197 xfs_fsop_geom_t geom;
208 unsigned int idmodulo = XFS_IDMODULO_MAX;
211 unsigned long seed = 0;
215 void add_to_flist(int, int, int);
216 void append_pathname(pathname_t *, char *);
217 int attr_list_path(pathname_t *, char *, const int, int);
218 int attr_remove_path(pathname_t *, const char *, int);
219 int attr_set_path(pathname_t *, const char *, const char *, const int, int);
220 void check_cwd(void);
221 int creat_path(pathname_t *, mode_t);
222 void dcache_enter(int, int);
223 void dcache_init(void);
224 fent_t *dcache_lookup(int);
225 void dcache_purge(int);
226 void del_from_flist(int, int);
227 int dirid_to_name(char *, int);
229 void fent_to_name(pathname_t *, flist_t *, fent_t *);
230 void fix_parent(int, int);
231 void free_pathname(pathname_t *);
232 int generate_fname(fent_t *, int, pathname_t *, int *, int *);
233 int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
234 void init_pathname(pathname_t *);
235 int lchown_path(pathname_t *, uid_t, gid_t);
236 int link_path(pathname_t *, pathname_t *);
237 int lstat64_path(pathname_t *, struct stat64 *);
238 void make_freq_table(void);
239 int mkdir_path(pathname_t *, mode_t);
240 int mknod_path(pathname_t *, mode_t, dev_t);
241 void namerandpad(int, char *, int);
242 int open_path(pathname_t *, int);
243 DIR *opendir_path(pathname_t *);
244 void process_freq(char *);
245 int readlink_path(pathname_t *, char *, size_t);
246 int rename_path(pathname_t *, pathname_t *);
247 int rmdir_path(pathname_t *);
248 void separate_pathname(pathname_t *, char *, pathname_t *);
249 void show_ops(int, char *);
250 int stat64_path(pathname_t *, struct stat64 *);
251 int symlink_path(const char *, pathname_t *);
252 int truncate64_path(pathname_t *, off64_t);
253 int unlink_path(pathname_t *);
255 void write_freq(void);
256 void zero_freq(void);
258 int main(int argc, char **argv)
262 char *dirname = NULL;
271 xfs_error_injection_t err_inj;
273 errrange = errtag = 0;
275 nops = sizeof(ops) / sizeof(ops[0]);
276 ops_end = &ops[nops];
278 while ((c = getopt(argc, argv, "d:e:f:i:m:n:p:rs:vwzHS")) != -1) {
284 sscanf(optarg, "%d", &errtag);
288 } else if (errtag == 0)
290 if (errtag >= XFS_ERRTAG_MAX) {
292 "error tag %d too large (max %d)\n",
293 errtag, XFS_ERRTAG_MAX - 1);
298 process_freq(optarg);
301 ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
302 ilist[ilistlen - 1] = strtol(optarg, &p, 16);
305 idmodulo = strtoul(optarg, NULL, 0);
306 if (idmodulo > XFS_IDMODULO_MAX) {
308 "chown modulo %d too big (max %d)\n",
309 idmodulo, XFS_IDMODULO_MAX);
314 operations = atoi(optarg);
317 nproc = atoi(optarg);
323 seed = strtoul(optarg, NULL, 0);
340 fprintf(stderr, "%s - invalid parameters\n",
350 /* no directory specified */
351 if (!nousage) usage();
355 (void)mkdir(dirname, 0777);
356 if (chdir(dirname) < 0) {
360 sprintf(buf, "fss%x", getpid());
361 fd = creat(buf, 0666);
362 if (lseek64(fd, (off64_t)(MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
363 maxfsize = (off64_t)MAXFSIZE32;
365 maxfsize = (off64_t)MAXFSIZE;
370 gettimeofday(&t, (void *)NULL);
371 seed = (int)t.tv_sec ^ (int)t.tv_usec;
372 printf("seed = %ld\n", seed);
374 i = xfsctl(buf, fd, XFS_IOC_FSGEOMETRY, &geom);
375 if (i >= 0 && geom.rtblocks)
376 rtpct = MIN(MAX(geom.rtblocks * 100 /
377 (geom.rtblocks + geom.datablocks), 1), 99);
386 for (i = 0; i < j; i++)
389 errtag = (random() % (XFS_ERRTAG_MAX-1)) + 1;
395 for (i = 0; i < j; i++)
398 errtag += (random() % (XFS_ERRTAG_MAX - errtag));
400 printf("Injecting failure on tag #%d\n", errtag);
401 err_inj.errtag = errtag;
403 srval = xfsctl(buf, fd, XFS_IOC_ERROR_INJECTION, &err_inj);
405 perror("fsstress - XFS_SYSSGI error injection call");
412 for (i = 0; i < nproc; i++) {
419 while (wait(&stat) > 0)
424 srval = xfsctl(buf, fd, XFS_IOC_ERROR_CLEARALL, &err_inj);
426 fprintf(stderr, "Bad ej clear on %s fd=%d (%d).\n",
428 perror("xfsctl(XFS_IOC_ERROR_CLEARALL)");
440 add_to_flist(int ft, int id, int parent)
446 if (ftp->nfiles == ftp->nslots) {
447 ftp->nslots += FLIST_SLOT_INCR;
448 ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
450 fep = &ftp->fents[ftp->nfiles++];
452 fep->parent = parent;
456 append_pathname(pathname_t *name, char *str)
462 if (len && *str == '/' && name->len == 0) {
463 fprintf(stderr, "fsstress: append_pathname failure\n");
469 name->path = realloc(name->path, name->len + 1 + len);
470 strcpy(&name->path[name->len], str);
475 attr_list_path(pathname_t *name, char *buffer, const int buffersize, int flags)
477 char buf[MAXNAMELEN];
481 if (flags != ATTR_DONTFOLLOW) {
485 rval = llistxattr(name->path, buffer, buffersize);
486 if (rval >= 0 || errno != ENAMETOOLONG)
488 separate_pathname(name, buf, &newname);
489 if (chdir(buf) == 0) {
490 rval = attr_list_path(&newname, buffer, buffersize, flags);
493 free_pathname(&newname);
498 attr_remove_path(pathname_t *name, const char *attrname, int flags)
500 char buf[MAXNAMELEN];
504 rval = attr_remove(name->path, attrname, flags);
505 if (rval >= 0 || errno != ENAMETOOLONG)
507 separate_pathname(name, buf, &newname);
508 if (chdir(buf) == 0) {
509 rval = attr_remove_path(&newname, attrname, flags);
512 free_pathname(&newname);
517 attr_set_path(pathname_t *name, const char *attrname, const char *attrvalue,
518 const int valuelength, int flags)
520 char buf[MAXNAMELEN];
524 rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
525 if (rval >= 0 || errno != ENAMETOOLONG)
527 separate_pathname(name, buf, &newname);
528 if (chdir(buf) == 0) {
529 rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
533 free_pathname(&newname);
541 struct stat64 statbuf;
543 if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
546 fprintf(stderr, "fsstress: check_cwd failure\n");
553 creat_path(pathname_t *name, mode_t mode)
555 char buf[MAXNAMELEN];
559 rval = creat(name->path, mode);
560 if (rval >= 0 || errno != ENAMETOOLONG)
562 separate_pathname(name, buf, &newname);
563 if (chdir(buf) == 0) {
564 rval = creat_path(&newname, mode);
567 free_pathname(&newname);
572 dcache_enter(int dirid, int slot)
574 dcache[dirid % NDCACHE] = slot;
582 for (i = 0; i < NDCACHE; i++)
587 dcache_lookup(int dirid)
592 i = dcache[dirid % NDCACHE];
593 if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
599 dcache_purge(int dirid)
603 dcp = &dcache[dirid % NDCACHE];
604 if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
609 del_from_flist(int ft, int slot)
615 dcache_purge(ftp->fents[slot].id);
616 if (slot != ftp->nfiles - 1) {
618 dcache_purge(ftp->fents[ftp->nfiles - 1].id);
619 ftp->fents[slot] = ftp->fents[--ftp->nfiles];
625 dirid_to_fent(int dirid)
631 if ((fep = dcache_lookup(dirid)))
633 flp = &flist[FT_DIR];
634 for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
635 if (fep->id == dirid) {
636 dcache_enter(dirid, fep - flp->fents);
646 struct stat64 statbuf;
652 sprintf(buf, "p%x", procid);
653 (void)mkdir(buf, 0777);
654 if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
658 top_ino = statbuf.st_ino;
659 homedir = getcwd(NULL, -1);
664 for (opno = 0; opno < operations; opno++) {
665 p = &ops[freq_table[random() % freq_table_size]];
666 p->func(opno, random());
668 * test for forced shutdown by stat'ing the test
669 * directory. If this stat returns EIO, assume
670 * the forced shutdown happened.
672 if (errtag != 0 && opno % 100 == 0) {
673 rval = stat64(".", &statbuf);
675 fprintf(stderr, "Detected EIO\n");
683 fent_to_name(pathname_t *name, flist_t *flp, fent_t *fep)
685 char buf[MAXNAMELEN];
691 if (fep->parent != -1) {
692 pfep = dirid_to_fent(fep->parent);
693 fent_to_name(name, &flist[FT_DIR], pfep);
694 append_pathname(name, "/");
696 i = sprintf(buf, "%c%x", flp->tag, fep->id);
697 namerandpad(fep->id, buf, i);
698 append_pathname(name, buf);
702 fix_parent(int oldid, int newid)
709 for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
710 for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
711 if (fep->parent == oldid)
718 free_pathname(pathname_t *name)
728 generate_fname(fent_t *fep, int ft, pathname_t *name, int *idp, int *v)
730 char buf[MAXNAMELEN];
737 len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
738 namerandpad(id, buf, len);
740 fent_to_name(name, &flist[FT_DIR], fep);
741 append_pathname(name, "/");
743 append_pathname(name, buf);
746 for (j = 0; !*v && j < ilistlen; j++) {
747 if (ilist[j] == id) {
756 get_fname(int which, long r, pathname_t *name, flist_t **flpp, fent_t **fepp,
766 for (i = 0, c = 0, flp = flist; i < FT_nft; i++, flp++) {
767 if (which & (1 << i))
779 for (i = 0, c = 0, flp = flist; i < FT_nft; i++, flp++) {
780 if (which & (1 << i)) {
781 if (x < c + flp->nfiles) {
782 fep = &flp->fents[x - c];
784 fent_to_name(name, flp, fep);
790 for (j = 0; !*v && j < ilistlen; j++) {
791 if (ilist[j] == fep->id) {
802 fprintf(stderr, "fsstress: get_fname failure\n");
810 init_pathname(pathname_t *name)
817 lchown_path(pathname_t *name, uid_t owner, gid_t group)
819 char buf[MAXNAMELEN];
823 rval = lchown(name->path, owner, group);
824 if (rval >= 0 || errno != ENAMETOOLONG)
826 separate_pathname(name, buf, &newname);
827 if (chdir(buf) == 0) {
828 rval = lchown_path(&newname, owner, group);
831 free_pathname(&newname);
836 link_path(pathname_t *name1, pathname_t *name2)
838 char buf1[MAXNAMELEN];
839 char buf2[MAXNAMELEN];
845 rval = link(name1->path, name2->path);
846 if (rval >= 0 || errno != ENAMETOOLONG)
848 separate_pathname(name1, buf1, &newname1);
849 separate_pathname(name2, buf2, &newname2);
850 if (strcmp(buf1, buf2) == 0) {
851 if (chdir(buf1) == 0) {
852 rval = link_path(&newname1, &newname2);
856 if (strcmp(buf1, "..") == 0)
858 else if (strcmp(buf2, "..") == 0)
860 else if (strlen(buf1) == 0)
862 else if (strlen(buf2) == 0)
865 down1 = MAX(newname1.len, 3 + name2->len) <=
866 MAX(3 + name1->len, newname2.len);
868 free_pathname(&newname2);
869 append_pathname(&newname2, "../");
870 append_pathname(&newname2, name2->path);
871 if (chdir(buf1) == 0) {
872 rval = link_path(&newname1, &newname2);
876 free_pathname(&newname1);
877 append_pathname(&newname1, "../");
878 append_pathname(&newname1, name1->path);
879 if (chdir(buf2) == 0) {
880 rval = link_path(&newname1, &newname2);
885 free_pathname(&newname1);
886 free_pathname(&newname2);
891 lstat64_path(pathname_t *name, struct stat64 *sbuf)
893 char buf[MAXNAMELEN];
897 rval = lstat64(name->path, sbuf);
898 if (rval >= 0 || errno != ENAMETOOLONG)
900 separate_pathname(name, buf, &newname);
901 if (chdir(buf) == 0) {
902 rval = lstat64_path(&newname, sbuf);
905 free_pathname(&newname);
910 make_freq_table(void)
916 for (p = ops, f = 0; p < ops_end; p++)
918 freq_table = malloc(f * sizeof(*freq_table));
920 for (p = ops, i = 0; p < ops_end; p++) {
921 for (f = 0; f < p->freq; f++, i++)
922 freq_table[i] = p->op;
927 mkdir_path(pathname_t *name, mode_t mode)
929 char buf[MAXNAMELEN];
933 rval = mkdir(name->path, mode);
934 if (rval >= 0 || errno != ENAMETOOLONG)
936 separate_pathname(name, buf, &newname);
937 if (chdir(buf) == 0) {
938 rval = mkdir_path(&newname, mode);
941 free_pathname(&newname);
946 mknod_path(pathname_t *name, mode_t mode, dev_t dev)
948 char buf[MAXNAMELEN];
952 rval = mknod(name->path, mode, dev);
953 if (rval >= 0 || errno != ENAMETOOLONG)
955 separate_pathname(name, buf, &newname);
956 if (chdir(buf) == 0) {
957 rval = mknod_path(&newname, mode, dev);
960 free_pathname(&newname);
965 namerandpad(int id, char *buf, int i)
968 static int buckets[] =
969 { 2, 4, 8, 16, 32, 64, 128, MAXNAMELEN - 1 };
975 bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
976 padmod = buckets[bucket] + 1 - i;
979 padlen = (id ^ namerand) % padmod;
981 memset(&buf[i], 'X', padlen);
982 buf[i + padlen] = '\0';
987 open_path(pathname_t *name, int oflag)
989 char buf[MAXNAMELEN];
993 rval = open(name->path, oflag);
994 if (rval >= 0 || errno != ENAMETOOLONG)
996 separate_pathname(name, buf, &newname);
997 if (chdir(buf) == 0) {
998 rval = open_path(&newname, oflag);
1001 free_pathname(&newname);
1006 opendir_path(pathname_t *name)
1008 char buf[MAXNAMELEN];
1012 rval = opendir(name->path);
1013 if (rval || errno != ENAMETOOLONG)
1015 separate_pathname(name, buf, &newname);
1016 if (chdir(buf) == 0) {
1017 rval = opendir_path(&newname);
1020 free_pathname(&newname);
1025 process_freq(char *arg)
1030 s = strchr(arg, '=');
1032 fprintf(stderr, "bad argument '%s'\n", arg);
1036 for (p = ops; p < ops_end; p++) {
1037 if (strcmp(arg, p->name) == 0) {
1042 fprintf(stderr, "can't find op type %s for -f\n", arg);
1047 readlink_path(pathname_t *name, char *lbuf, size_t lbufsiz)
1049 char buf[MAXNAMELEN];
1053 rval = readlink(name->path, lbuf, lbufsiz);
1054 if (rval >= 0 || errno != ENAMETOOLONG)
1056 separate_pathname(name, buf, &newname);
1057 if (chdir(buf) == 0) {
1058 rval = readlink_path(&newname, lbuf, lbufsiz);
1061 free_pathname(&newname);
1066 rename_path(pathname_t *name1, pathname_t *name2)
1068 char buf1[MAXNAMELEN];
1069 char buf2[MAXNAMELEN];
1071 pathname_t newname1;
1072 pathname_t newname2;
1075 rval = rename(name1->path, name2->path);
1076 if (rval >= 0 || errno != ENAMETOOLONG)
1078 separate_pathname(name1, buf1, &newname1);
1079 separate_pathname(name2, buf2, &newname2);
1080 if (strcmp(buf1, buf2) == 0) {
1081 if (chdir(buf1) == 0) {
1082 rval = rename_path(&newname1, &newname2);
1086 if (strcmp(buf1, "..") == 0)
1088 else if (strcmp(buf2, "..") == 0)
1090 else if (strlen(buf1) == 0)
1092 else if (strlen(buf2) == 0)
1095 down1 = MAX(newname1.len, 3 + name2->len) <=
1096 MAX(3 + name1->len, newname2.len);
1098 free_pathname(&newname2);
1099 append_pathname(&newname2, "../");
1100 append_pathname(&newname2, name2->path);
1101 if (chdir(buf1) == 0) {
1102 rval = rename_path(&newname1, &newname2);
1106 free_pathname(&newname1);
1107 append_pathname(&newname1, "../");
1108 append_pathname(&newname1, name1->path);
1109 if (chdir(buf2) == 0) {
1110 rval = rename_path(&newname1, &newname2);
1115 free_pathname(&newname1);
1116 free_pathname(&newname2);
1121 rmdir_path(pathname_t *name)
1123 char buf[MAXNAMELEN];
1127 rval = rmdir(name->path);
1128 if (rval >= 0 || errno != ENAMETOOLONG)
1130 separate_pathname(name, buf, &newname);
1131 if (chdir(buf) == 0) {
1132 rval = rmdir_path(&newname);
1135 free_pathname(&newname);
1140 separate_pathname(pathname_t *name, char *buf, pathname_t *newname)
1144 init_pathname(newname);
1145 slash = strchr(name->path, '/');
1146 if (slash == NULL) {
1151 strcpy(buf, name->path);
1153 append_pathname(newname, slash + 1);
1159 show_ops(int flag, char *lead_str)
1164 /* print in list form */
1167 for (p = ops; p < ops_end; p++) {
1168 if (lead_str != NULL && x+strlen(p->name)>=WIDTH-5)
1169 x=printf("%s%s", (p==ops)?"":"\n", lead_str);
1170 x+=printf("%s ", p->name);
1175 for (f = 0, p = ops; p < ops_end; p++)
1181 for (p = ops; p < ops_end; p++) {
1182 if (flag != 0 || p->freq > 0) {
1183 if (lead_str != NULL)
1184 printf("%s", lead_str);
1185 printf("%20s %d/%d %s\n",
1186 p->name, p->freq, f,
1187 (p->iswrite == 0) ? " " : "write op");
1194 stat64_path(pathname_t *name, struct stat64 *sbuf)
1196 char buf[MAXNAMELEN];
1200 rval = stat64(name->path, sbuf);
1201 if (rval >= 0 || errno != ENAMETOOLONG)
1203 separate_pathname(name, buf, &newname);
1204 if (chdir(buf) == 0) {
1205 rval = stat64_path(&newname, sbuf);
1208 free_pathname(&newname);
1213 symlink_path(const char *name1, pathname_t *name)
1215 char buf[MAXNAMELEN];
1219 if (!strcmp(name1, name->path)) {
1220 printf("yikes! %s %s\n", name1, name->path);
1224 rval = symlink(name1, name->path);
1225 if (rval >= 0 || errno != ENAMETOOLONG)
1227 separate_pathname(name, buf, &newname);
1228 if (chdir(buf) == 0) {
1229 rval = symlink_path(name1, &newname);
1232 free_pathname(&newname);
1237 truncate64_path(pathname_t *name, off64_t length)
1239 char buf[MAXNAMELEN];
1243 rval = truncate64(name->path, length);
1244 if (rval >= 0 || errno != ENAMETOOLONG)
1246 separate_pathname(name, buf, &newname);
1247 if (chdir(buf) == 0) {
1248 rval = truncate64_path(&newname, length);
1251 free_pathname(&newname);
1256 unlink_path(pathname_t *name)
1258 char buf[MAXNAMELEN];
1262 rval = unlink(name->path);
1263 if (rval >= 0 || errno != ENAMETOOLONG)
1265 separate_pathname(name, buf, &newname);
1266 if (chdir(buf) == 0) {
1267 rval = unlink_path(&newname);
1270 free_pathname(&newname);
1277 printf("Usage: %s -H or\n", myprog);
1278 printf(" %s [-d dir][-e errtg][-f op_name=freq][-n nops]\n",
1280 printf(" [-p nproc][-r len][-s seed][-v][-w][-z][-S]\n");
1282 printf(" -d dir specifies the base directory for operations\n");
1283 printf(" -e errtg specifies error injection stuff\n");
1284 printf(" -f op_name=freq changes the frequency of option name to freq\n");
1285 printf(" the valid operation names are:\n");
1287 printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
1288 printf(" -n nops specifies the no. of operations per process (default 1)\n");
1289 printf(" -p nproc specifies the no. of processes (default 1)\n");
1290 printf(" -r specifies random name padding\n");
1291 printf(" -s seed specifies the seed for the random generator (default random)\n");
1292 printf(" -v specifies verbose mode\n");
1293 printf(" -w zeros frequencies of non-write operations\n");
1294 printf(" -z zeros frequencies of all operations\n");
1295 printf(" -S prints the table of operations (omitting zero frequency)\n");
1296 printf(" -H prints usage and exits\n");
1304 for (p = ops; p < ops_end; p++) {
1315 for (p = ops; p < ops_end; p++)
1320 allocsp_f(int opno, long r)
1332 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1334 printf("%d/%d: allocsp - no filename\n", procid, opno);
1338 fd = open_path(&f, O_RDWR);
1339 e = fd < 0 ? errno : 0;
1343 printf("%d/%d: allocsp - open %s failed %d\n",
1344 procid, opno, f.path, e);
1348 if (fstat64(fd, &stb) < 0) {
1350 printf("%d/%d: allocsp - fstat64 %s failed %d\n",
1351 procid, opno, f.path, errno);
1356 lr = ((__int64_t)random() << 32) + random();
1357 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1359 fl.l_whence = SEEK_SET;
1362 e = xfsctl(f.path, fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
1364 printf("%d/%d: xfsctl(XFS_IOC_ALLOCSP64) %s %lld 0 %d\n",
1365 procid, opno, f.path, (long long)off, e);
1371 attr_remove_f(int opno, long r)
1383 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1384 append_pathname(&f, ".");
1386 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW);
1389 for (l = buf; l - buf <= e; l += strlen(l)+1)
1390 if (strncmp(l, "user.",5) == 0)
1395 printf("%d/%d: attr_remove - no attrs for %s\n",
1396 procid, opno, f.path);
1400 which = (int)(random() % total);
1403 e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW);
1407 for (l = buf; l - buf <= e; l += strlen(l)+1) {
1408 if (strncmp(l, "user.",5) == 0) {
1409 if (++ent == which) {
1415 if (aname == NULL) {
1418 "%d/%d: attr_remove - name %d not found at %s\n",
1419 procid, opno, which, f.path);
1423 e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
1426 printf("%d/%d: attr_remove %s %s %d\n",
1427 procid, opno, f.path, aname, e);
1432 attr_set_f(int opno, long r)
1439 static int lengths[] = { 10, 100, 1000, 10000 };
1444 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1445 append_pathname(&f, ".");
1446 sprintf(aname, "a%x", nameseq++);
1447 li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
1448 len = (int)(random() % lengths[li]);
1452 memset(aval, nameseq & 0xff, len);
1453 e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
1458 printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
1464 bulkstat_f(int opno, long r)
1472 xfs_fsop_bulkreq_t bsr;
1475 nent = (r % 999) + 2;
1476 t = malloc(nent * sizeof(*t));
1477 fd = open(".", O_RDONLY);
1485 while (xfsctl(".", fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
1489 printf("%d/%d: bulkstat nent %d total %llu\n",
1490 procid, opno, nent, (long long)total);
1495 bulkstat1_f(int opno, long r)
1505 xfs_fsop_bulkreq_t bsr;
1508 good = random() & 1;
1510 /* use an inode we know exists */
1512 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1513 append_pathname(&f, ".");
1514 ino = stat64_path(&f, &s) < 0 ? (ino64_t)r : s.st_ino;
1519 * pick a random inode
1521 * note this can generate kernel warning messages
1522 * since bulkstat_one will read the disk block that
1523 * would contain a given inode even if that disk
1524 * block doesn't contain inodes.
1526 * this is detected later, but not until after the
1527 * warning is displayed.
1529 * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
1535 fd = open(".", O_RDONLY);
1542 e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
1544 printf("%d/%d: bulkstat1 %s ino %lld %d\n",
1545 procid, opno, good?"real":"random", (long long)ino, e);
1550 chown_f(int opno, long r)
1560 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
1561 append_pathname(&f, ".");
1562 u = (uid_t)random();
1563 g = (gid_t)random();
1564 nbits = (int)(random() % idmodulo);
1565 u &= (1 << nbits) - 1;
1566 g &= (1 << nbits) - 1;
1567 e = lchown_path(&f, u, g) < 0 ? errno : 0;
1570 printf("%d/%d: chown %s %d/%d %d\n", procid, opno, f.path, u, g, e);
1575 creat_f(int opno, long r)
1590 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
1595 type = rtpct ? ((random() % 100) > rtpct ? FT_REG : FT_RTF) : FT_REG;
1597 extsize = (random() % 10) + 1;
1600 e = generate_fname(fep, type, &f, &id, &v);
1604 fent_to_name(&f, &flist[FT_DIR], fep);
1605 printf("%d/%d: creat - no filename from %s\n",
1606 procid, opno, f.path);
1611 fd = creat_path(&f, 0666);
1612 e = fd < 0 ? errno : 0;
1617 xfsctl(f.path, fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
1618 a.fsx_xflags |= XFS_XFLAG_REALTIME;
1620 geom.rtextsize * geom.blocksize * extsize;
1621 if (xfsctl(f.path, fd, XFS_IOC_FSSETXATTR, &a) < 0)
1624 add_to_flist(type, id, parid);
1628 printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
1629 extsize ? a.fsx_extsize : 0, e, e1);
1634 dread_f(int opno, long r)
1638 struct dioattr diob;
1649 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1651 printf("%d/%d: dread - no filename\n", procid, opno);
1655 fd = open_path(&f, O_RDONLY|O_DIRECT);
1656 e = fd < 0 ? errno : 0;
1660 printf("%d/%d: dread - open %s failed %d\n",
1661 procid, opno, f.path, e);
1665 if (fstat64(fd, &stb) < 0) {
1667 printf("%d/%d: dread - fstat64 %s failed %d\n",
1668 procid, opno, f.path, errno);
1673 if (stb.st_size == 0) {
1675 printf("%d/%d: dread - %s zero size\n", procid, opno,
1681 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1684 "%d/%d: dread - xfsctl(XFS_IOC_DIOINFO) %s failed %d\n",
1685 procid, opno, f.path, errno);
1690 align = (__int64_t)diob.d_miniosz;
1691 lr = ((__int64_t)random() << 32) + random();
1692 off = (off64_t)(lr % stb.st_size);
1693 off -= (off % align);
1694 lseek64(fd, off, SEEK_SET);
1695 len = (random() % (getpagesize() * 32)) + 1;
1696 len -= (len % align);
1699 else if (len > diob.d_maxiosz)
1700 len = diob.d_maxiosz;
1701 buf = memalign(diob.d_mem, len);
1702 e = read(fd, buf, len) < 0 ? errno : 0;
1705 printf("%d/%d: dread %s [%lld,%d] %d\n",
1706 procid, opno, f.path, (long long)off, (int)len, e);
1712 dwrite_f(int opno, long r)
1716 struct dioattr diob;
1727 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1729 printf("%d/%d: dwrite - no filename\n", procid, opno);
1733 fd = open_path(&f, O_WRONLY|O_DIRECT);
1734 e = fd < 0 ? errno : 0;
1738 printf("%d/%d: dwrite - open %s failed %d\n",
1739 procid, opno, f.path, e);
1743 if (fstat64(fd, &stb) < 0) {
1745 printf("%d/%d: dwrite - fstat64 %s failed %d\n",
1746 procid, opno, f.path, errno);
1751 if (xfsctl(f.path, fd, XFS_IOC_DIOINFO, &diob) < 0) {
1753 printf("%d/%d: dwrite - xfsctl(XFS_IOC_DIOINFO)"
1755 procid, opno, f.path, errno);
1760 align = (__int64_t)diob.d_miniosz;
1761 lr = ((__int64_t)random() << 32) + random();
1762 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1763 off -= (off % align);
1764 lseek64(fd, off, SEEK_SET);
1765 len = (random() % (getpagesize() * 32)) + 1;
1766 len -= (len % align);
1769 else if (len > diob.d_maxiosz)
1770 len = diob.d_maxiosz;
1771 buf = memalign(diob.d_mem, len);
1773 lseek64(fd, off, SEEK_SET);
1774 memset(buf, nameseq & 0xff, len);
1775 e = write(fd, buf, len) < 0 ? errno : 0;
1778 printf("%d/%d: dwrite %s [%lld,%d] %d\n",
1779 procid, opno, f.path, (long long)off, (int)len, e);
1785 fdatasync_f(int opno, long r)
1793 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1795 printf("%d/%d: fdatasync - no filename\n",
1800 fd = open_path(&f, O_WRONLY);
1801 e = fd < 0 ? errno : 0;
1805 printf("%d/%d: fdatasync - open %s failed %d\n",
1806 procid, opno, f.path, e);
1810 e = fdatasync(fd) < 0 ? errno : 0;
1812 printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
1818 freesp_f(int opno, long r)
1830 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1832 printf("%d/%d: freesp - no filename\n", procid, opno);
1836 fd = open_path(&f, O_RDWR);
1837 e = fd < 0 ? errno : 0;
1841 printf("%d/%d: freesp - open %s failed %d\n",
1842 procid, opno, f.path, e);
1846 if (fstat64(fd, &stb) < 0) {
1848 printf("%d/%d: freesp - fstat64 %s failed %d\n",
1849 procid, opno, f.path, errno);
1854 lr = ((__int64_t)random() << 32) + random();
1855 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
1857 fl.l_whence = SEEK_SET;
1860 e = xfsctl(f.path, fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
1862 printf("%d/%d: xfsctl(XFS_IOC_FREESP64) %s %lld 0 %d\n",
1863 procid, opno, f.path, (long long)off, e);
1869 fsync_f(int opno, long r)
1877 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
1879 printf("%d/%d: fsync - no filename\n", procid, opno);
1883 fd = open_path(&f, O_WRONLY);
1884 e = fd < 0 ? errno : 0;
1888 printf("%d/%d: fsync - open %s failed %d\n",
1889 procid, opno, f.path, e);
1893 e = fsync(fd) < 0 ? errno : 0;
1895 printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
1901 getdents_f(int opno, long r)
1908 if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
1909 append_pathname(&f, ".");
1910 dir = opendir_path(&f);
1914 printf("%d/%d: getdents - can't open %s\n",
1915 procid, opno, f.path);
1919 while (readdir64(dir) != NULL)
1922 printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
1928 link_f(int opno, long r)
1941 if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
1943 printf("%d/%d: link - no file\n", procid, opno);
1947 if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
1953 e = generate_fname(fep, flp - flist, &l, &id, &v1);
1957 fent_to_name(&l, &flist[FT_DIR], fep);
1958 printf("%d/%d: link - no filename from %s\n",
1959 procid, opno, l.path);
1965 e = link_path(&f, &l) < 0 ? errno : 0;
1968 add_to_flist(flp - flist, id, parid);
1970 printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
1977 mkdir_f(int opno, long r)
1987 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
1992 e = generate_fname(fep, FT_DIR, &f, &id, &v1);
1996 fent_to_name(&f, &flist[FT_DIR], fep);
1997 printf("%d/%d: mkdir - no filename from %s\n",
1998 procid, opno, f.path);
2003 e = mkdir_path(&f, 0777) < 0 ? errno : 0;
2006 add_to_flist(FT_DIR, id, parid);
2008 printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
2013 mknod_f(int opno, long r)
2023 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2028 e = generate_fname(fep, FT_DEV, &f, &id, &v1);
2032 fent_to_name(&f, &flist[FT_DIR], fep);
2033 printf("%d/%d: mknod - no filename from %s\n",
2034 procid, opno, f.path);
2039 e = mknod_path(&f, S_IFCHR|0444, 0) < 0 ? errno : 0;
2042 add_to_flist(FT_DEV, id, parid);
2044 printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
2049 read_f(int opno, long r)
2062 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2064 printf("%d/%d: read - no filename\n", procid, opno);
2068 fd = open_path(&f, O_RDONLY);
2069 e = fd < 0 ? errno : 0;
2073 printf("%d/%d: read - open %s failed %d\n",
2074 procid, opno, f.path, e);
2078 if (fstat64(fd, &stb) < 0) {
2080 printf("%d/%d: read - fstat64 %s failed %d\n",
2081 procid, opno, f.path, errno);
2086 if (stb.st_size == 0) {
2088 printf("%d/%d: read - %s zero size\n", procid, opno,
2094 lr = ((__int64_t)random() << 32) + random();
2095 off = (off64_t)(lr % stb.st_size);
2096 lseek64(fd, off, SEEK_SET);
2097 len = (random() % (getpagesize() * 32)) + 1;
2099 e = read(fd, buf, len) < 0 ? errno : 0;
2102 printf("%d/%d: read %s [%lld,%d] %d\n",
2103 procid, opno, f.path, (long long)off, (int)len, e);
2109 readlink_f(int opno, long r)
2117 if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
2119 printf("%d/%d: readlink - no filename\n", procid, opno);
2123 e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
2126 printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
2131 rename_f(int opno, long r)
2146 if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
2148 printf("%d/%d: rename - no filename\n", procid, opno);
2152 if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
2157 init_pathname(&newf);
2158 e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
2162 fent_to_name(&f, &flist[FT_DIR], dfep);
2163 printf("%d/%d: rename - no filename from %s\n",
2164 procid, opno, f.path);
2166 free_pathname(&newf);
2170 e = rename_path(&f, &newf) < 0 ? errno : 0;
2173 if (flp - flist == FT_DIR) {
2175 fix_parent(oldid, id);
2177 del_from_flist(flp - flist, fep - flp->fents);
2178 add_to_flist(flp - flist, id, parid);
2181 printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
2183 free_pathname(&newf);
2188 resvsp_f(int opno, long r)
2200 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2202 printf("%d/%d: resvsp - no filename\n", procid, opno);
2206 fd = open_path(&f, O_RDWR);
2207 e = fd < 0 ? errno : 0;
2211 printf("%d/%d: resvsp - open %s failed %d\n",
2212 procid, opno, f.path, e);
2216 if (fstat64(fd, &stb) < 0) {
2218 printf("%d/%d: resvsp - fstat64 %s failed %d\n",
2219 procid, opno, f.path, errno);
2224 lr = ((__int64_t)random() << 32) + random();
2225 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2227 fl.l_whence = SEEK_SET;
2229 fl.l_len = (off64_t)(random() % (1024 * 1024));
2230 e = xfsctl(f.path, fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
2232 printf("%d/%d: xfsctl(XFS_IOC_RESVSP64) %s %lld %lld %d\n",
2233 procid, opno, f.path,
2234 (long long)off, (long long)fl.l_len, e);
2240 rmdir_f(int opno, long r)
2248 if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
2250 printf("%d/%d: rmdir - no directory\n", procid, opno);
2254 e = rmdir_path(&f) < 0 ? errno : 0;
2257 del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
2259 printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
2264 stat_f(int opno, long r)
2272 if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
2274 printf("%d/%d: stat - no entries\n", procid, opno);
2278 e = lstat64_path(&f, &stb) < 0 ? errno : 0;
2281 printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
2286 symlink_f(int opno, long r)
2299 if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
2304 e = generate_fname(fep, FT_SYM, &f, &id, &v1);
2308 fent_to_name(&f, &flist[FT_DIR], fep);
2309 printf("%d/%d: symlink - no filename from %s\n",
2310 procid, opno, f.path);
2315 len = (int)(random() % PATH_MAX);
2316 val = malloc(len + 1);
2318 memset(val, 'x', len);
2320 for (i = 10; i < len - 1; i += 10)
2322 e = symlink_path(val, &f) < 0 ? errno : 0;
2325 add_to_flist(FT_SYM, id, parid);
2328 printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
2334 sync_f(int opno, long r)
2338 printf("%d/%d: sync\n", procid, opno);
2342 truncate_f(int opno, long r)
2352 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2354 printf("%d/%d: truncate - no filename\n", procid, opno);
2358 e = stat64_path(&f, &stb) < 0 ? errno : 0;
2362 printf("%d/%d: truncate - stat64 %s failed %d\n",
2363 procid, opno, f.path, e);
2367 lr = ((__int64_t)random() << 32) + random();
2368 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2370 e = truncate64_path(&f, off) < 0 ? errno : 0;
2373 printf("%d/%d: truncate %s %lld %d\n", procid, opno, f.path,
2379 unlink_f(int opno, long r)
2388 if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
2390 printf("%d/%d: unlink - no file\n", procid, opno);
2394 e = unlink_path(&f) < 0 ? errno : 0;
2397 del_from_flist(flp - flist, fep - flp->fents);
2399 printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
2404 unresvsp_f(int opno, long r)
2416 if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
2418 printf("%d/%d: unresvsp - no filename\n", procid, opno);
2422 fd = open_path(&f, O_RDWR);
2423 e = fd < 0 ? errno : 0;
2427 printf("%d/%d: unresvsp - open %s failed %d\n",
2428 procid, opno, f.path, e);
2432 if (fstat64(fd, &stb) < 0) {
2434 printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
2435 procid, opno, f.path, errno);
2440 lr = ((__int64_t)random() << 32) + random();
2441 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2443 fl.l_whence = SEEK_SET;
2445 fl.l_len = (off64_t)(random() % (1 << 20));
2446 e = xfsctl(f.path, fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
2448 printf("%d/%d: xfsctl(XFS_IOC_UNRESVSP64) %s %lld %lld %d\n",
2449 procid, opno, f.path,
2450 (long long)off, (long long)fl.l_len, e);
2456 write_f(int opno, long r)
2469 if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
2471 printf("%d/%d: write - no filename\n", procid, opno);
2475 fd = open_path(&f, O_WRONLY);
2476 e = fd < 0 ? errno : 0;
2480 printf("%d/%d: write - open %s failed %d\n",
2481 procid, opno, f.path, e);
2485 if (fstat64(fd, &stb) < 0) {
2487 printf("%d/%d: write - fstat64 %s failed %d\n",
2488 procid, opno, f.path, errno);
2493 lr = ((__int64_t)random() << 32) + random();
2494 off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
2496 lseek64(fd, off, SEEK_SET);
2497 len = (random() % (getpagesize() * 32)) + 1;
2499 memset(buf, nameseq & 0xff, len);
2500 e = write(fd, buf, len) < 0 ? errno : 0;
2503 printf("%d/%d: write %s [%lld,%d] %d\n",
2504 procid, opno, f.path, (long long)off, (int)len, e);