Adding upstream version 1.47.0.upstream/1.47.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2708 insertions, 0 deletions

diff --git a/contrib/fsstress.c b/contrib/fsstress.c
new file mode 100644
index 0000000..2136a90
--- /dev/null
+++ b/contrib/fsstress.c
@@ -0,0 +1,2708 @@
+/*
+ * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like.  Any license provided herein, whether implied or
+ * otherwise, applies only to this software file.  Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA  94043, or:
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+
+#define NO_XFS
+#define HAVE_SYS_PRCTL_H
+#define _LARGEFILE64_SOURCE
+
+#define MAXNAMELEN 1024
+struct dioattr {
+	int d_miniosz, d_maxiosz, d_mem;
+};
+
+#define MIN(a,b) ((a)<(b) ? (a):(b))
+#define MAX(a,b) ((a)>(b) ? (a):(b))
+
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#ifndef O_DIRECT
+#define O_DIRECT 040000
+#endif
+
+#ifdef HAVE_SYS_PRCTL_H
+# include <sys/prctl.h>
+#endif
+
+#define XFS_ERRTAG_MAX		17
+
+typedef enum {
+#ifndef NO_XFS
+	OP_ALLOCSP,
+	OP_ATTR_REMOVE,
+	OP_ATTR_SET,
+	OP_BULKSTAT,
+	OP_BULKSTAT1,
+#endif
+	OP_CHOWN,
+	OP_CREAT,
+	OP_DREAD,
+	OP_DWRITE,
+	OP_FDATASYNC,
+#ifndef NO_XFS
+	OP_FREESP,
+#endif
+	OP_FSYNC,
+	OP_GETDENTS,
+	OP_LINK,
+	OP_MKDIR,
+	OP_MKNOD,
+	OP_READ,
+	OP_READLINK,
+	OP_RENAME,
+#ifndef NO_XFS
+	OP_RESVSP,
+#endif
+	OP_RMDIR,
+	OP_STAT,
+	OP_SYMLINK,
+	OP_SYNC,
+	OP_TRUNCATE,
+	OP_UNLINK,
+#ifndef NO_XFS
+	OP_UNRESVSP,
+#endif
+	OP_WRITE,
+	OP_LAST
+} opty_t;
+
+typedef void (*opfnc_t) (int, long);
+
+typedef struct opdesc {
+	opty_t op;
+	char *name;
+	opfnc_t func;
+	int freq;
+	int iswrite;
+	int isxfs;
+} opdesc_t;
+
+typedef struct fent {
+	int id;
+	int parent;
+} fent_t;
+
+typedef struct flist {
+	int nfiles;
+	int nslots;
+	int tag;
+	fent_t *fents;
+} flist_t;
+
+typedef struct pathname {
+	int len;
+	char *path;
+} pathname_t;
+
+#define	FT_DIR	0
+#define	FT_DIRm	(1 << FT_DIR)
+#define	FT_REG	1
+#define	FT_REGm	(1 << FT_REG)
+#define	FT_SYM	2
+#define	FT_SYMm	(1 << FT_SYM)
+#define	FT_DEV	3
+#define	FT_DEVm	(1 << FT_DEV)
+#define	FT_RTF	4
+#define	FT_RTFm	(1 << FT_RTF)
+#define	FT_nft	5
+#define	FT_ANYm	((1 << FT_nft) - 1)
+#define	FT_REGFILE	(FT_REGm | FT_RTFm)
+#define	FT_NOTDIR	(FT_ANYm & ~FT_DIRm)
+
+#define	FLIST_SLOT_INCR	16
+#define	NDCACHE	64
+
+#define	MAXFSIZE	((1ULL << 63) - 1ULL)
+#define	MAXFSIZE32	((1ULL << 40) - 1ULL)
+
+void allocsp_f(int, long);
+void attr_remove_f(int, long);
+void attr_set_f(int, long);
+void bulkstat_f(int, long);
+void bulkstat1_f(int, long);
+void chown_f(int, long);
+void creat_f(int, long);
+void dread_f(int, long);
+void dwrite_f(int, long);
+void fdatasync_f(int, long);
+void freesp_f(int, long);
+void fsync_f(int, long);
+void getdents_f(int, long);
+void link_f(int, long);
+void mkdir_f(int, long);
+void mknod_f(int, long);
+void read_f(int, long);
+void readlink_f(int, long);
+void rename_f(int, long);
+void resvsp_f(int, long);
+void rmdir_f(int, long);
+void stat_f(int, long);
+void symlink_f(int, long);
+void sync_f(int, long);
+void truncate_f(int, long);
+void unlink_f(int, long);
+void unresvsp_f(int, long);
+void write_f(int, long);
+
+opdesc_t ops[] = {
+#ifndef NO_XFS
+	{OP_ALLOCSP, "allocsp", allocsp_f, 1, 1, 1},
+	{OP_ATTR_REMOVE, "attr_remove", attr_remove_f, /* 1 */ 0, 1, 1},
+	{OP_ATTR_SET, "attr_set", attr_set_f, /* 2 */ 0, 1, 1},
+	{OP_BULKSTAT, "bulkstat", bulkstat_f, 1, 0, 1},
+	{OP_BULKSTAT1, "bulkstat1", bulkstat1_f, 1, 0, 1},
+#endif
+	{OP_CHOWN, "chown", chown_f, 3, 1, 0},
+	{OP_CREAT, "creat", creat_f, 4, 1, 0},
+	{OP_DREAD, "dread", dread_f, 4, 0, 0},
+	{OP_DWRITE, "dwrite", dwrite_f, 4, 1, 0},
+	{OP_FDATASYNC, "fdatasync", fdatasync_f, 1, 1, 0},
+#ifndef NO_XFS
+	{OP_FREESP, "freesp", freesp_f, 1, 1, 1},
+#endif
+	{OP_FSYNC, "fsync", fsync_f, 1, 1, 0},
+	{OP_GETDENTS, "getdents", getdents_f, 1, 0, 0},
+	{OP_LINK, "link", link_f, 1, 1, 0},
+	{OP_MKDIR, "mkdir", mkdir_f, 2, 1, 0},
+	{OP_MKNOD, "mknod", mknod_f, 2, 1, 0},
+	{OP_READ, "read", read_f, 1, 0, 0},
+	{OP_READLINK, "readlink", readlink_f, 1, 0, 0},
+	{OP_RENAME, "rename", rename_f, 2, 1, 0},
+#ifndef NO_XFS
+	{OP_RESVSP, "resvsp", resvsp_f, 1, 1, 1},
+#endif
+	{OP_RMDIR, "rmdir", rmdir_f, 1, 1, 0},
+	{OP_STAT, "stat", stat_f, 1, 0, 0},
+	{OP_SYMLINK, "symlink", symlink_f, 2, 1, 0},
+	{OP_SYNC, "sync", sync_f, 1, 0, 0},
+	{OP_TRUNCATE, "truncate", truncate_f, 2, 1, 0},
+	{OP_UNLINK, "unlink", unlink_f, 1, 1, 0},
+#ifndef NO_XFS
+	{OP_UNRESVSP, "unresvsp", unresvsp_f, 1, 1, 1},
+#endif
+	{OP_WRITE, "write", write_f, 4, 1, 0},
+}, *ops_end;
+
+flist_t flist[FT_nft] = {
+	{0, 0, 'd', NULL},
+	{0, 0, 'f', NULL},
+	{0, 0, 'l', NULL},
+	{0, 0, 'c', NULL},
+	{0, 0, 'r', NULL},
+};
+
+int dcache[NDCACHE];
+int errrange;
+int errtag;
+opty_t *freq_table;
+int freq_table_size;
+#ifndef NO_XFS
+xfs_fsop_geom_t geom;
+#endif
+char *homedir;
+int *ilist;
+int ilistlen;
+off64_t maxfsize;
+char *myprog;
+int namerand;
+int nameseq;
+int nops;
+int nproc = 1;
+int operations = 1;
+int procid;
+int rtpct;
+unsigned long seed = 0;
+ino_t top_ino;
+int verbose = 0;
+#ifndef NO_XFS
+int no_xfs = 0;
+#else
+int no_xfs = 1;
+#endif
+sig_atomic_t should_stop = 0;
+
+void add_to_flist(int, int, int);
+void append_pathname(pathname_t *, char *);
+#ifndef NO_XFS
+int attr_list_path(pathname_t *, char *, const int, int, attrlist_cursor_t *);
+int attr_remove_path(pathname_t *, const char *, int);
+int attr_set_path(pathname_t *, const char *, const char *, const int, int);
+#endif
+void check_cwd(void);
+int creat_path(pathname_t *, mode_t);
+void dcache_enter(int, int);
+void dcache_init(void);
+fent_t *dcache_lookup(int);
+void dcache_purge(int);
+void del_from_flist(int, int);
+int dirid_to_name(char *, int);
+void doproc(void);
+void fent_to_name(pathname_t *, flist_t *, fent_t *);
+void fix_parent(int, int);
+void free_pathname(pathname_t *);
+int generate_fname(fent_t *, int, pathname_t *, int *, int *);
+int get_fname(int, long, pathname_t *, flist_t **, fent_t **, int *);
+void init_pathname(pathname_t *);
+int lchown_path(pathname_t *, uid_t, gid_t);
+int link_path(pathname_t *, pathname_t *);
+int lstat64_path(pathname_t *, struct stat64 *);
+void make_freq_table(void);
+int mkdir_path(pathname_t *, mode_t);
+int mknod_path(pathname_t *, mode_t, dev_t);
+void namerandpad(int, char *, int);
+int open_path(pathname_t *, int);
+DIR *opendir_path(pathname_t *);
+void process_freq(char *);
+int readlink_path(pathname_t *, char *, size_t);
+int rename_path(pathname_t *, pathname_t *);
+int rmdir_path(pathname_t *);
+void separate_pathname(pathname_t *, char *, pathname_t *);
+void show_ops(int, char *);
+int stat64_path(pathname_t *, struct stat64 *);
+int symlink_path(const char *, pathname_t *);
+int truncate64_path(pathname_t *, off64_t);
+int unlink_path(pathname_t *);
+void usage(void);
+void write_freq(void);
+void zero_freq(void);
+
+void sg_handler(int signum)
+{
+	should_stop = 1;
+}
+
+int main(int argc, char **argv)
+{
+	char buf[10];
+	int c;
+	char *dirname = NULL;
+	int fd;
+	int i;
+	int cleanup = 0;
+	int loops = 1;
+	int loopcntr = 1;
+	char cmd[256];
+#ifndef NO_XFS
+	int j;
+#endif
+	char *p;
+	int stat;
+	struct timeval t;
+#ifndef NO_XFS
+	ptrdiff_t srval;
+#endif
+	int nousage = 0;
+#ifndef NO_XFS
+	xfs_error_injection_t err_inj;
+#endif
+	struct sigaction action;
+
+	errrange = errtag = 0;
+	umask(0);
+	nops = sizeof(ops) / sizeof(ops[0]);
+	ops_end = &ops[nops];
+	myprog = argv[0];
+	while ((c = getopt(argc, argv, "cd:e:f:i:l:n:p:rs:vwzHSX")) != -1) {
+		switch (c) {
+		case 'c':
+			/*Don't cleanup */
+			cleanup = 1;
+			break;
+		case 'd':
+			dirname = optarg;
+			break;
+		case 'e':
+			sscanf(optarg, "%d", &errtag);
+			if (errtag < 0) {
+				errtag = -errtag;
+				errrange = 1;
+			} else if (errtag == 0)
+				errtag = -1;
+			if (errtag >= XFS_ERRTAG_MAX) {
+				fprintf(stderr,
+					"error tag %d too large (max %d)\n",
+					errtag, XFS_ERRTAG_MAX - 1);
+				exit(1);
+			}
+			break;
+		case 'f':
+			process_freq(optarg);
+			break;
+		case 'i':
+			ilist = realloc(ilist, ++ilistlen * sizeof(*ilist));
+			ilist[ilistlen - 1] = strtol(optarg, &p, 16);
+			break;
+		case 'l':
+			loops = atoi(optarg);
+			break;
+		case 'n':
+			operations = atoi(optarg);
+			break;
+		case 'p':
+			nproc = atoi(optarg);
+			break;
+		case 'r':
+			namerand = 1;
+			break;
+		case 's':
+			seed = strtoul(optarg, NULL, 0);
+			break;
+		case 'v':
+			verbose = 1;
+			break;
+		case 'w':
+			write_freq();
+			break;
+		case 'z':
+			zero_freq();
+			break;
+		case 'S':
+			show_ops(0, NULL);
+			printf("\n");
+			nousage = 1;
+			break;
+		case '?':
+			fprintf(stderr, "%s - invalid parameters\n", myprog);
+			/* fall through */
+		case 'H':
+			usage();
+			exit(1);
+		case 'X':
+			no_xfs = 1;
+			break;
+		}
+	}
+
+	if (no_xfs && errtag) {
+		fprintf(stderr, "error injection only works on XFS\n");
+		exit(1);
+	}
+
+	if (no_xfs) {
+		int i;
+		for (i = 0; ops + i < ops_end; ++i) {
+			if (ops[i].isxfs)
+				ops[i].freq = 0;
+		}
+	}
+
+	make_freq_table();
+
+	while (((loopcntr <= loops) || (loops == 0)) && !should_stop) {
+		if (!dirname) {
+			/* no directory specified */
+			if (!nousage)
+				usage();
+			exit(1);
+		}
+
+		(void)mkdir(dirname, 0777);
+		if (chdir(dirname) < 0) {
+			perror(dirname);
+			exit(1);
+		}
+		sprintf(buf, "fss%x", getpid());
+		fd = creat(buf, 0666);
+		if (lseek64(fd, (off64_t) (MAXFSIZE32 + 1ULL), SEEK_SET) < 0)
+			maxfsize = (off64_t) MAXFSIZE32;
+		else
+			maxfsize = (off64_t) MAXFSIZE;
+		dcache_init();
+		setlinebuf(stdout);
+		if (!seed) {
+			gettimeofday(&t, NULL);
+			seed = (int)t.tv_sec ^ (int)t.tv_usec;
+			printf("seed = %ld\n", seed);
+		}
+#ifndef NO_XFS
+		if (!no_xfs) {
+			memset(&geom, 0, sizeof(geom));
+			i = ioctl(fd, XFS_IOC_FSGEOMETRY, &geom);
+			if (i >= 0 && geom.rtblocks)
+				rtpct = MIN(MAX(geom.rtblocks * 100 /
+						(geom.rtblocks +
+						 geom.datablocks), 1), 99);
+			else
+				rtpct = 0;
+		}
+		if (errtag != 0) {
+			if (errrange == 0) {
+				if (errtag <= 0) {
+					srandom(seed);
+					j = random() % 100;
+
+					for (i = 0; i < j; i++)
+						(void)random();
+
+					errtag =
+					    (random() % (XFS_ERRTAG_MAX - 1)) +
+					    1;
+				}
+			} else {
+				srandom(seed);
+				j = random() % 100;
+
+				for (i = 0; i < j; i++)
+					(void)random();
+
+				errtag +=
+				    (random() % (XFS_ERRTAG_MAX - errtag));
+			}
+			printf("Injecting failure on tag #%d\n", errtag);
+			memset(&err_inj, 0, sizeof(err_inj));
+			err_inj.errtag = errtag;
+			err_inj.fd = fd;
+			srval = ioctl(fd, XFS_IOC_ERROR_INJECTION, &err_inj);
+			if (srval < -1) {
+				perror
+				    ("fsstress - XFS_SYSSGI error injection call");
+				close(fd);
+				unlink(buf);
+				exit(1);
+			}
+		} else
+#endif
+			close(fd);
+		unlink(buf);
+
+
+		if (nproc == 1) {
+			procid = 0;
+			doproc();
+		} else {
+			setpgid(0, 0);
+			action.sa_handler = sg_handler;
+			sigemptyset(&action.sa_mask);
+			action.sa_flags = 0;
+			if (sigaction(SIGTERM, &action, 0)) {
+				perror("sigaction failed");
+				exit(1);
+			}
+
+			for (i = 0; i < nproc; i++) {
+				if (fork() == 0) {
+
+					action.sa_handler = SIG_DFL;
+					sigemptyset(&action.sa_mask);
+					if (sigaction(SIGTERM, &action, 0))
+						return 1;
+#ifdef HAVE_SYS_PRCTL_H
+					prctl(PR_SET_PDEATHSIG, SIGKILL);
+					if (getppid() == 1) /* parent died already? */
+						return 0;
+#endif
+					procid = i;
+					doproc();
+					return 0;
+				}
+			}
+			while (wait(&stat) > 0 && !should_stop) {
+				continue;
+			}
+			if (should_stop) {
+				action.sa_flags = SA_RESTART;
+				sigaction(SIGTERM, &action, 0);
+				kill(-getpid(), SIGTERM);
+				while (wait(&stat) > 0)
+					continue;
+			}
+		}
+#ifndef NO_XFS
+		if (errtag != 0) {
+			memset(&err_inj, 0, sizeof(err_inj));
+			err_inj.errtag = 0;
+			err_inj.fd = fd;
+			if ((srval =
+			     ioctl(fd, XFS_IOC_ERROR_CLEARALL,
+				   &err_inj)) != 0) {
+				fprintf(stderr, "Bad ej clear on %d (%d).\n",
+					fd, errno);
+				perror
+				    ("fsstress - XFS_SYSSGI clear error injection call");
+				close(fd);
+				exit(1);
+			}
+			close(fd);
+		}
+#endif
+		if (cleanup == 0) {
+			sprintf(cmd, "rm -rf %s/*", dirname);
+			system(cmd);
+			for (i = 0; i < FT_nft; i++) {
+				flist[i].nslots = 0;
+				flist[i].nfiles = 0;
+				free(flist[i].fents);
+				flist[i].fents = NULL;
+			}
+		}
+		loopcntr++;
+	}
+	return 0;
+}
+
+void add_to_flist(int ft, int id, int parent)
+{
+	fent_t *fep;
+	flist_t *ftp;
+
+	ftp = &flist[ft];
+	if (ftp->nfiles == ftp->nslots) {
+		ftp->nslots += FLIST_SLOT_INCR;
+		ftp->fents = realloc(ftp->fents, ftp->nslots * sizeof(fent_t));
+	}
+	fep = &ftp->fents[ftp->nfiles++];
+	fep->id = id;
+	fep->parent = parent;
+}
+
+void append_pathname(pathname_t * name, char *str)
+{
+	int len;
+	char *path;
+
+	len = strlen(str);
+#ifdef DEBUG
+	if (len && *str == '/' && name->len == 0) {
+		fprintf(stderr, "fsstress: append_pathname failure\n");
+		chdir(homedir);
+		abort();
+
+	}
+#endif
+	path = realloc(name->path, name->len + 1 + len);
+	if (path == NULL) {
+		fprintf(stderr, "fsstress: append_pathname realloc failed\n");
+		chdir(homedir);
+		abort();
+	}
+	name->path = path;
+	strcpy(&name->path[name->len], str);
+	name->len += len;
+}
+
+#ifndef NO_XFS
+int
+attr_list_path(pathname_t * name, char *buffer, const int buffersize, int flags,
+	       attrlist_cursor_t * cursor)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = attr_list(name->path, buffer, buffersize, flags, cursor);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = attr_list_path(&newname, buffer, buffersize, flags,
+				      cursor);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+int attr_remove_path(pathname_t * name, const char *attrname, int flags)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = attr_remove(name->path, attrname, flags);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = attr_remove_path(&newname, attrname, flags);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+int
+attr_set_path(pathname_t * name, const char *attrname, const char *attrvalue,
+	      const int valuelength, int flags)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = attr_set(name->path, attrname, attrvalue, valuelength, flags);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = attr_set_path(&newname, attrname, attrvalue, valuelength,
+				     flags);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+#endif
+
+void check_cwd(void)
+{
+#ifdef DEBUG
+	struct stat64 statbuf;
+
+	if (stat64(".", &statbuf) == 0 && statbuf.st_ino == top_ino)
+		return;
+	chdir(homedir);
+	fprintf(stderr, "fsstress: check_cwd failure\n");
+	abort();
+
+#endif
+}
+
+int creat_path(pathname_t * name, mode_t mode)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = creat(name->path, mode);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = creat_path(&newname, mode);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+void dcache_enter(int dirid, int slot)
+{
+	dcache[dirid % NDCACHE] = slot;
+}
+
+void dcache_init(void)
+{
+	int i;
+
+	for (i = 0; i < NDCACHE; i++)
+		dcache[i] = -1;
+}
+
+fent_t *dcache_lookup(int dirid)
+{
+	fent_t *fep;
+	int i;
+
+	i = dcache[dirid % NDCACHE];
+	if (i >= 0 && (fep = &flist[FT_DIR].fents[i])->id == dirid)
+		return fep;
+	return NULL;
+}
+
+void dcache_purge(int dirid)
+{
+	int *dcp;
+
+	dcp = &dcache[dirid % NDCACHE];
+	if (*dcp >= 0 && flist[FT_DIR].fents[*dcp].id == dirid)
+		*dcp = -1;
+}
+
+void del_from_flist(int ft, int slot)
+{
+	flist_t *ftp;
+
+	ftp = &flist[ft];
+	if (ft == FT_DIR)
+		dcache_purge(ftp->fents[slot].id);
+	if (slot != ftp->nfiles - 1) {
+		if (ft == FT_DIR)
+			dcache_purge(ftp->fents[ftp->nfiles - 1].id);
+		ftp->fents[slot] = ftp->fents[--ftp->nfiles];
+	} else
+		ftp->nfiles--;
+}
+
+fent_t *dirid_to_fent(int dirid)
+{
+	fent_t *efep;
+	fent_t *fep;
+	flist_t *flp;
+
+	if ((fep = dcache_lookup(dirid)))
+		return fep;
+	flp = &flist[FT_DIR];
+	for (fep = flp->fents, efep = &fep[flp->nfiles]; fep < efep; fep++) {
+		if (fep->id == dirid) {
+			dcache_enter(dirid, fep - flp->fents);
+			return fep;
+		}
+	}
+	return NULL;
+}
+
+void doproc(void)
+{
+	struct stat64 statbuf;
+	char buf[10];
+	int opno;
+	int rval;
+	opdesc_t *p;
+
+	sprintf(buf, "p%x", procid);
+	(void)mkdir(buf, 0777);
+	if (chdir(buf) < 0 || stat64(".", &statbuf) < 0) {
+		perror(buf);
+		_exit(1);
+	}
+	top_ino = statbuf.st_ino;
+	homedir = getcwd(NULL, -1);
+	seed += procid;
+	srandom(seed);
+	if (namerand)
+		namerand = random();
+	for (opno = 0; opno < operations; opno++) {
+		p = &ops[freq_table[random() % freq_table_size]];
+		if ((unsigned long)p->func < 4096)
+			abort();
+
+		p->func(opno, random());
+		/*
+		 * test for forced shutdown by stat'ing the test
+		 * directory.  If this stat returns EIO, assume
+		 * the forced shutdown happened.
+		 */
+		if (errtag != 0 && opno % 100 == 0) {
+			rval = stat64(".", &statbuf);
+			if (rval == EIO) {
+				fprintf(stderr, "Detected EIO\n");
+				return;
+			}
+		}
+	}
+}
+
+void fent_to_name(pathname_t * name, flist_t * flp, fent_t * fep)
+{
+	char buf[MAXNAMELEN];
+	int i;
+	fent_t *pfep;
+
+	if (fep == NULL)
+		return;
+	if (fep->parent != -1) {
+		pfep = dirid_to_fent(fep->parent);
+		fent_to_name(name, &flist[FT_DIR], pfep);
+		append_pathname(name, "/");
+	}
+	i = sprintf(buf, "%c%x", flp->tag, fep->id);
+	namerandpad(fep->id, buf, i);
+	append_pathname(name, buf);
+}
+
+void fix_parent(int oldid, int newid)
+{
+	fent_t *fep;
+	flist_t *flp;
+	int i;
+	int j;
+
+	for (i = 0, flp = flist; i < FT_nft; i++, flp++) {
+		for (j = 0, fep = flp->fents; j < flp->nfiles; j++, fep++) {
+			if (fep->parent == oldid)
+				fep->parent = newid;
+		}
+	}
+}
+
+void free_pathname(pathname_t * name)
+{
+	if (name->path) {
+		free(name->path);
+		name->path = NULL;
+		name->len = 0;
+	}
+}
+
+int generate_fname(fent_t * fep, int ft, pathname_t * name, int *idp, int *v)
+{
+	char buf[MAXNAMELEN];
+	flist_t *flp;
+	int id;
+	int j;
+	int len;
+
+	flp = &flist[ft];
+	len = sprintf(buf, "%c%x", flp->tag, id = nameseq++);
+	namerandpad(id, buf, len);
+	if (fep) {
+		fent_to_name(name, &flist[FT_DIR], fep);
+		append_pathname(name, "/");
+	}
+	append_pathname(name, buf);
+	*idp = id;
+	*v = verbose;
+	for (j = 0; !*v && j < ilistlen; j++) {
+		if (ilist[j] == id) {
+			*v = 1;
+			break;
+		}
+	}
+	return 1;
+}
+
+int
+get_fname(int which, long r, pathname_t * name, flist_t ** flpp, fent_t ** fepp,
+	  int *v)
+{
+	int c;
+	fent_t *fep;
+	flist_t *flp;
+	int i;
+	int j;
+	int x;
+
+	for (i = 0, c = 0, flp = flist; i < FT_nft; i++, flp++) {
+		if (which & (1 << i))
+			c += flp->nfiles;
+	}
+	if (c == 0) {
+		if (flpp)
+			*flpp = NULL;
+		if (fepp)
+			*fepp = NULL;
+		*v = verbose;
+		return 0;
+	}
+	x = (int)(r % c);
+	for (i = 0, c = 0, flp = flist; i < FT_nft; i++, flp++) {
+		if (which & (1 << i)) {
+			if (x < c + flp->nfiles) {
+				fep = &flp->fents[x - c];
+				if (name)
+					fent_to_name(name, flp, fep);
+				if (flpp)
+					*flpp = flp;
+				if (fepp)
+					*fepp = fep;
+				*v = verbose;
+				for (j = 0; !*v && j < ilistlen; j++) {
+					if (ilist[j] == fep->id) {
+						*v = 1;
+						break;
+					}
+				}
+				return 1;
+			}
+			c += flp->nfiles;
+		}
+	}
+#ifdef DEBUG
+	fprintf(stderr, "fsstress: get_fname failure\n");
+	abort();
+#endif
+	return -1;
+
+}
+
+void init_pathname(pathname_t * name)
+{
+	name->len = 0;
+	name->path = NULL;
+}
+
+int lchown_path(pathname_t * name, uid_t owner, gid_t group)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = lchown(name->path, owner, group);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = lchown_path(&newname, owner, group);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+int link_path(pathname_t * name1, pathname_t * name2)
+{
+	char buf1[MAXNAMELEN];
+	char buf2[MAXNAMELEN];
+	int down1;
+	pathname_t newname1;
+	pathname_t newname2;
+	int rval;
+
+	rval = link(name1->path, name2->path);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name1, buf1, &newname1);
+	separate_pathname(name2, buf2, &newname2);
+	if (strcmp(buf1, buf2) == 0) {
+		if (chdir(buf1) == 0) {
+			rval = link_path(&newname1, &newname2);
+			chdir("..");
+		}
+	} else {
+		if (strcmp(buf1, "..") == 0)
+			down1 = 0;
+		else if (strcmp(buf2, "..") == 0)
+			down1 = 1;
+		else if (strlen(buf1) == 0)
+			down1 = 0;
+		else if (strlen(buf2) == 0)
+			down1 = 1;
+		else
+			down1 = MAX(newname1.len, 3 + name2->len) <=
+			    MAX(3 + name1->len, newname2.len);
+		if (down1) {
+			free_pathname(&newname2);
+			append_pathname(&newname2, "../");
+			append_pathname(&newname2, name2->path);
+			if (chdir(buf1) == 0) {
+				rval = link_path(&newname1, &newname2);
+				chdir("..");
+			}
+		} else {
+			free_pathname(&newname1);
+			append_pathname(&newname1, "../");
+			append_pathname(&newname1, name1->path);
+			if (chdir(buf2) == 0) {
+				rval = link_path(&newname1, &newname2);
+				chdir("..");
+			}
+		}
+	}
+	free_pathname(&newname1);
+	free_pathname(&newname2);
+	return rval;
+}
+
+int lstat64_path(pathname_t * name, struct stat64 *sbuf)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = lstat64(name->path, sbuf);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = lstat64_path(&newname, sbuf);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+void make_freq_table(void)
+{
+	int f;
+	int i;
+	opdesc_t *p;
+
+	for (p = ops, f = 0; p < ops_end; p++)
+		f += p->freq;
+	freq_table = malloc(f * sizeof(*freq_table));
+	freq_table_size = f;
+	for (p = ops, i = 0; p < ops_end; p++) {
+		for (f = 0; f < p->freq; f++, i++)
+			freq_table[i] = p->op;
+	}
+}
+
+int mkdir_path(pathname_t * name, mode_t mode)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = mkdir(name->path, mode);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = mkdir_path(&newname, mode);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+int mknod_path(pathname_t * name, mode_t mode, dev_t dev)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = mknod(name->path, mode, dev);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = mknod_path(&newname, mode, dev);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+void namerandpad(int id, char *buf, int i)
+{
+	int bucket;
+	static int buckets[] = { 2, 4, 8, 16, 32, 64, 128, MAXNAMELEN - 1 };
+	int padlen;
+	int padmod;
+
+	if (namerand == 0)
+		return;
+	bucket = (id ^ namerand) % (sizeof(buckets) / sizeof(buckets[0]));
+	padmod = buckets[bucket] + 1 - i;
+	if (padmod <= 0)
+		return;
+	padlen = (id ^ namerand) % padmod;
+	if (padlen) {
+		memset(&buf[i], 'X', padlen);
+		buf[i + padlen] = '\0';
+	}
+}
+
+int open_path(pathname_t * name, int oflag)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = open(name->path, oflag);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = open_path(&newname, oflag);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+DIR *opendir_path(pathname_t * name)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	DIR *rval;
+
+	rval = opendir(name->path);
+	if (rval || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = opendir_path(&newname);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+void process_freq(char *arg)
+{
+	opdesc_t *p;
+	char *s;
+
+	s = strchr(arg, '=');
+	if (s == NULL) {
+		fprintf(stderr, "bad argument '%s'\n", arg);
+		exit(1);
+	}
+	*s++ = '\0';
+	for (p = ops; p < ops_end; p++) {
+		if (strcmp(arg, p->name) == 0) {
+			p->freq = atoi(s);
+			return;
+		}
+	}
+	fprintf(stderr, "can't find op type %s for -f\n", arg);
+	exit(1);
+}
+
+int readlink_path(pathname_t * name, char *lbuf, size_t lbufsiz)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = readlink(name->path, lbuf, lbufsiz);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = readlink_path(&newname, lbuf, lbufsiz);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+int rename_path(pathname_t * name1, pathname_t * name2)
+{
+	char buf1[MAXNAMELEN];
+	char buf2[MAXNAMELEN];
+	int down1;
+	pathname_t newname1;
+	pathname_t newname2;
+	int rval;
+
+	rval = rename(name1->path, name2->path);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name1, buf1, &newname1);
+	separate_pathname(name2, buf2, &newname2);
+	if (strcmp(buf1, buf2) == 0) {
+		if (chdir(buf1) == 0) {
+			rval = rename_path(&newname1, &newname2);
+			chdir("..");
+		}
+	} else {
+		if (strcmp(buf1, "..") == 0)
+			down1 = 0;
+		else if (strcmp(buf2, "..") == 0)
+			down1 = 1;
+		else if (strlen(buf1) == 0)
+			down1 = 0;
+		else if (strlen(buf2) == 0)
+			down1 = 1;
+		else
+			down1 = MAX(newname1.len, 3 + name2->len) <=
+			    MAX(3 + name1->len, newname2.len);
+		if (down1) {
+			free_pathname(&newname2);
+			append_pathname(&newname2, "../");
+			append_pathname(&newname2, name2->path);
+			if (chdir(buf1) == 0) {
+				rval = rename_path(&newname1, &newname2);
+				chdir("..");
+			}
+		} else {
+			free_pathname(&newname1);
+			append_pathname(&newname1, "../");
+			append_pathname(&newname1, name1->path);
+			if (chdir(buf2) == 0) {
+				rval = rename_path(&newname1, &newname2);
+				chdir("..");
+			}
+		}
+	}
+	free_pathname(&newname1);
+	free_pathname(&newname2);
+	return rval;
+}
+
+int rmdir_path(pathname_t * name)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = rmdir(name->path);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = rmdir_path(&newname);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+void separate_pathname(pathname_t * name, char *buf, pathname_t * newname)
+{
+	char *slash;
+
+	init_pathname(newname);
+	slash = strchr(name->path, '/');
+	if (slash == NULL) {
+		buf[0] = '\0';
+		return;
+	}
+	*slash = '\0';
+	strcpy(buf, name->path);
+	*slash = '/';
+	append_pathname(newname, slash + 1);
+}
+
+#define WIDTH 80
+
+void show_ops(int flag, char *lead_str)
+{
+	opdesc_t *p;
+
+	if (flag < 0) {
+		/* print in list form */
+		int x = WIDTH;
+
+		for (p = ops; p < ops_end; p++) {
+			if (lead_str != NULL
+			    && x + strlen(p->name) >= WIDTH - 5)
+				x = printf("%s%s", (p == ops) ? "" : "\n",
+					   lead_str);
+			x += printf("%s ", p->name);
+		}
+		printf("\n");
+	} else {
+		int f;
+		for (f = 0, p = ops; p < ops_end; p++)
+			f += p->freq;
+
+		if (f == 0)
+			flag = 1;
+
+		for (p = ops; p < ops_end; p++) {
+			if (flag != 0 || p->freq > 0) {
+				if (lead_str != NULL)
+					printf("%s", lead_str);
+				printf("%20s %d/%d %s\n",
+				       p->name, p->freq, f,
+				       (p->iswrite == 0) ? " " : "write op");
+			}
+		}
+	}
+}
+
+int stat64_path(pathname_t * name, struct stat64 *sbuf)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = stat64(name->path, sbuf);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = stat64_path(&newname, sbuf);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+int symlink_path(const char *name1, pathname_t * name)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	if (!strcmp(name1, name->path)) {
+		printf("yikes! %s %s\n", name1, name->path);
+		return 0;
+	}
+
+	rval = symlink(name1, name->path);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = symlink_path(name1, &newname);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+int truncate64_path(pathname_t * name, off64_t length)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = truncate64(name->path, length);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = truncate64_path(&newname, length);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+int unlink_path(pathname_t * name)
+{
+	char buf[MAXNAMELEN];
+	pathname_t newname;
+	int rval;
+
+	rval = unlink(name->path);
+	if (rval >= 0 || errno != ENAMETOOLONG)
+		return rval;
+	separate_pathname(name, buf, &newname);
+	if (chdir(buf) == 0) {
+		rval = unlink_path(&newname);
+		chdir("..");
+	}
+	free_pathname(&newname);
+	return rval;
+}
+
+void usage(void)
+{
+	printf("Usage: %s -H   or\n", myprog);
+	printf
+	    ("       %s [-c][-d dir][-e errtg][-f op_name=freq][-l loops][-n nops]\n",
+	     myprog);
+	printf("          [-p nproc][-r len][-s seed][-v][-w][-z][-S]\n");
+	printf("where\n");
+	printf
+	    ("   -c               specifies not to remove files(cleanup) after execution\n");
+	printf
+	    ("   -d dir           specifies the base directory for operations\n");
+	printf("   -e errtg         specifies error injection stuff\n");
+	printf
+	    ("   -f op_name=freq  changes the frequency of option name to freq\n");
+	printf("                    the valid operation names are:\n");
+	show_ops(-1, "                        ");
+	printf
+	    ("   -l loops         specifies the no. of times the testrun should loop.\n");
+	printf("                     *use 0 for infinite (default 1)\n");
+	printf
+	    ("   -n nops          specifies the no. of operations per process (default 1)\n");
+	printf
+	    ("   -p nproc         specifies the no. of processes (default 1)\n");
+	printf("   -r               specifies random name padding\n");
+	printf
+	    ("   -s seed          specifies the seed for the random generator (default random)\n");
+	printf("   -v               specifies verbose mode\n");
+	printf
+	    ("   -w               zeros frequencies of non-write operations\n");
+	printf("   -z               zeros frequencies of all operations\n");
+	printf
+	    ("   -S               prints the table of operations (omitting zero frequency)\n");
+	printf("   -H               prints usage and exits\n");
+	printf
+	    ("   -X               don't do anything XFS specific (default with -DNO_XFS)\n");
+}
+
+void write_freq(void)
+{
+	opdesc_t *p;
+
+	for (p = ops; p < ops_end; p++) {
+		if (!p->iswrite)
+			p->freq = 0;
+	}
+}
+
+void zero_freq(void)
+{
+	opdesc_t *p;
+
+	for (p = ops; p < ops_end; p++)
+		p->freq = 0;
+}
+
+#ifndef NO_XFS
+
+void allocsp_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	int fd;
+	struct xfs_flock64 fl;
+	__s64 lr;
+	__s64 off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: allocsp - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_RDWR);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: allocsp - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	if (fstat64(fd, &stb) < 0) {
+		if (v)
+			printf("%d/%d: allocsp - fstat64 %s failed %d\n",
+			       procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	lr = ((__s64) random() << 32) + random();
+	off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+	off %= maxfsize;
+	memset(&fl, 0, sizeof(fl));
+	fl.l_whence = SEEK_SET;
+	fl.l_start = off;
+	fl.l_len = 0;
+	e = ioctl(fd, XFS_IOC_ALLOCSP64, &fl) < 0 ? errno : 0;
+	if (v)
+		printf("%d/%d: ioctl(XFS_IOC_ALLOCSP64) %s %lld 0 %d\n",
+		       procid, opno, f.path, (long long)off, e);
+	free_pathname(&f);
+	close(fd);
+}
+
+void attr_remove_f(int opno, long r)
+{
+	attrlist_ent_t *aep;
+	attrlist_t *alist;
+	char *aname;
+	char buf[4096];
+	attrlist_cursor_t cursor;
+	int e;
+	int ent;
+	pathname_t f;
+	int total;
+	int v;
+	int which;
+
+	init_pathname(&f);
+	if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+		append_pathname(&f, ".");
+	total = 0;
+	memset(&cursor, 0x00, sizeof(cursor));
+	do {
+		e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW,
+				   &cursor);
+		check_cwd();
+		if (e)
+			break;
+		alist = (attrlist_t *) buf;
+		total += alist->al_count;
+	} while (alist->al_more);
+	if (total == 0) {
+		if (v)
+			printf("%d/%d: attr_remove - no attrs for %s\n",
+			       procid, opno, f.path);
+		free_pathname(&f);
+		return;
+	}
+	which = (int)(random() % total);
+	memset(&cursor, 0x00, sizeof(cursor));
+	ent = 0;
+	aname = NULL;
+	do {
+		e = attr_list_path(&f, buf, sizeof(buf), ATTR_DONTFOLLOW,
+				   &cursor);
+		check_cwd();
+		if (e)
+			break;
+		alist = (attrlist_t *) buf;
+		if (which < ent + alist->al_count) {
+			aep = (attrlist_ent_t *)
+			    & buf[alist->al_offset[which - ent]];
+			aname = aep->a_name;
+			break;
+		}
+		ent += alist->al_count;
+	} while (alist->al_more);
+	if (aname == NULL) {
+		if (v)
+			printf("%d/%d: attr_remove - name %d not found at %s\n",
+			       procid, opno, which, f.path);
+		free_pathname(&f);
+		return;
+	}
+	e = attr_remove_path(&f, aname, ATTR_DONTFOLLOW) < 0 ? errno : 0;
+	check_cwd();
+	if (v)
+		printf("%d/%d: attr_remove %s %s %d\n",
+		       procid, opno, f.path, aname, e);
+	free_pathname(&f);
+}
+
+void attr_set_f(int opno, long r)
+{
+	char aname[10];
+	char *aval;
+	int e;
+	pathname_t f;
+	int len;
+	static int lengths[] = { 10, 100, 1000, 10000 };
+	int li;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+		append_pathname(&f, ".");
+	sprintf(aname, "a%x", nameseq++);
+	li = (int)(random() % (sizeof(lengths) / sizeof(lengths[0])));
+	len = (int)(random() % lengths[li]);
+	if (len == 0)
+		len = 1;
+	aval = malloc(len);
+	memset(aval, nameseq & 0xff, len);
+	e = attr_set_path(&f, aname, aval, len, ATTR_DONTFOLLOW) < 0 ?
+	    errno : 0;
+	check_cwd();
+	free(aval);
+	if (v)
+		printf("%d/%d: attr_set %s %s %d\n", procid, opno, f.path,
+		       aname, e);
+	free_pathname(&f);
+}
+
+void bulkstat_f(int opno, long r)
+{
+	__s32 count;
+	int fd;
+	__u64 last;
+	__s32 nent;
+	xfs_bstat_t *t;
+	__int64_t total;
+	xfs_fsop_bulkreq_t bsr;
+
+	last = 0;
+	nent = (r % 999) + 2;
+	t = malloc(nent * sizeof(*t));
+	fd = open(".", O_RDONLY);
+	total = 0;
+
+	memset(&bsr, 0, sizeof(bsr));
+	bsr.lastip = &last;
+	bsr.icount = nent;
+	bsr.ubuffer = t;
+	bsr.ocount = &count;
+
+	while (ioctl(fd, XFS_IOC_FSBULKSTAT, &bsr) == 0 && count > 0)
+		total += count;
+	free(t);
+	if (verbose)
+		printf("%d/%d: bulkstat nent %d total %lld\n",
+		       procid, opno, (int)nent, (long long)total);
+	close(fd);
+}
+
+void bulkstat1_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	int fd;
+	int good;
+	__u64 ino;
+	struct stat64 s;
+	xfs_bstat_t t;
+	int v;
+	xfs_fsop_bulkreq_t bsr;
+
+	good = random() & 1;
+	if (good) {
+		/* use an inode we know exists */
+		init_pathname(&f);
+		if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+			append_pathname(&f, ".");
+		ino = stat64_path(&f, &s) < 0 ? (ino64_t) r : s.st_ino;
+		check_cwd();
+		free_pathname(&f);
+	} else {
+		/*
+		 * pick a random inode
+		 *
+		 * note this can generate kernel warning messages
+		 * since bulkstat_one will read the disk block that
+		 * would contain a given inode even if that disk
+		 * block doesn't contain inodes.
+		 *
+		 * this is detected later, but not until after the
+		 * warning is displayed.
+		 *
+		 * "XFS: device 0x825- bad inode magic/vsn daddr 0x0 #0"
+		 *
+		 */
+		ino = (ino64_t) r;
+		v = verbose;
+	}
+	fd = open(".", O_RDONLY);
+
+	memset(&bsr, 0, sizeof(bsr));
+	bsr.lastip = &ino;
+	bsr.icount = 1;
+	bsr.ubuffer = &t;
+	bsr.ocount = NULL;
+
+	e = ioctl(fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
+	if (v)
+		printf("%d/%d: bulkstat1 %s ino %lld %d\n",
+		       procid, opno, good ? "real" : "random",
+		       (long long)ino, e);
+	close(fd);
+}
+
+#endif
+
+void chown_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	int nbits;
+	uid_t u;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v))
+		append_pathname(&f, ".");
+	u = (uid_t) random();
+	nbits = (int)(random() % 32);
+	u &= (1 << nbits) - 1;
+	e = lchown_path(&f, u, -1) < 0 ? errno : 0;
+	check_cwd();
+	if (v)
+		printf("%d/%d: chown %s %d %d\n", procid, opno, f.path, u, e);
+	free_pathname(&f);
+}
+
+void creat_f(int opno, long r)
+{
+	int e;
+	int e1;
+	int extsize;
+	pathname_t f;
+	int fd;
+	fent_t *fep;
+	int id;
+	int parid;
+	int type;
+	int v;
+	int v1;
+	int esz = 0;
+
+	if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v1))
+		parid = -1;
+	else
+		parid = fep->id;
+	init_pathname(&f);
+	type = rtpct ? ((random() % 100) > rtpct ? FT_REG : FT_RTF) : FT_REG;
+	if (type == FT_RTF)
+		extsize = (random() % 10) + 1;
+	else
+		extsize = 0;
+	e = generate_fname(fep, type, &f, &id, &v);
+	v |= v1;
+	if (!e) {
+		if (v) {
+			fent_to_name(&f, &flist[FT_DIR], fep);
+			printf("%d/%d: creat - no filename from %s\n",
+			       procid, opno, f.path);
+		}
+		free_pathname(&f);
+		return;
+	}
+	fd = creat_path(&f, 0666);
+	e = fd < 0 ? errno : 0;
+	e1 = 0;
+	check_cwd();
+	esz = 0;
+	if (fd >= 0) {
+#ifndef NO_XFS
+		struct fsxattr a;
+		memset(&a, 0, sizeof(a));
+		if (extsize && ioctl(fd, XFS_IOC_FSGETXATTR, &a) >= 0) {
+			a.fsx_xflags |= XFS_XFLAG_REALTIME;
+			a.fsx_extsize =
+			    geom.rtextsize * geom.blocksize * extsize;
+			if (ioctl(fd, XFS_IOC_FSSETXATTR, &a) < 0)
+				e1 = errno;
+			esz = a.fsx_extsize;
+
+		}
+#endif
+		add_to_flist(type, id, parid);
+		close(fd);
+	}
+	if (v)
+		printf("%d/%d: creat %s x:%d %d %d\n", procid, opno, f.path,
+		       esz, e, e1);
+	free_pathname(&f);
+}
+
+int setdirect(int fd)
+{
+	static int no_direct;
+	int flags;
+
+	if (no_direct)
+		return 0;
+
+	flags = fcntl(fd, F_GETFL, 0);
+	if (flags < 0)
+		return 0;
+
+	if (fcntl(fd, F_SETFL, flags | O_DIRECT) < 0) {
+		if (no_xfs) {
+			no_direct = 1;
+			return 0;
+		}
+		printf("cannot set O_DIRECT: %s\n", strerror(errno));
+		return 0;
+	}
+
+	return 1;
+}
+
+void dread_f(int opno, long r)
+{
+	__int64_t align;
+	char *buf = NULL;
+	struct dioattr diob;
+	int e;
+	pathname_t f;
+	int fd;
+	size_t len;
+	__int64_t lr;
+	off64_t off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: dread - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_RDONLY);
+
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: dread - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+
+	if (!setdirect(fd)) {
+		close(fd);
+		free_pathname(&f);
+		return;
+	}
+
+	if (fstat64(fd, &stb) < 0) {
+		if (v)
+			printf("%d/%d: dread - fstat64 %s failed %d\n",
+			       procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	if (stb.st_size == 0) {
+		if (v)
+			printf("%d/%d: dread - %s zero size\n", procid, opno,
+			       f.path);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+
+	memset(&diob, 0, sizeof(diob));
+	if (no_xfs) {
+		diob.d_miniosz = stb.st_blksize;
+		diob.d_maxiosz = stb.st_blksize * 256;	/* good number ? */
+		diob.d_mem = stb.st_blksize;
+	}
+#ifndef NO_XFS
+	else if (ioctl(fd, XFS_IOC_DIOINFO, &diob) < 0) {
+		if (v)
+			printf
+			    ("%d/%d: dread - ioctl(fd, XFS_IOC_DIOINFO) %s failed %d\n",
+			     procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+#endif
+	align = (__int64_t) diob.d_miniosz;
+	lr = ((__int64_t) random() << 32) + random();
+	off = (off64_t) (lr % stb.st_size);
+	off -= (off % align);
+	lseek64(fd, off, SEEK_SET);
+	len = (random() % (getpagesize() * 32)) + 1;
+	len -= (len % align);
+	if (len <= 0)
+		len = align;
+	else if (len > diob.d_maxiosz)
+		len = diob.d_maxiosz;
+	if ((e = posix_memalign((void **)&buf, diob.d_mem, len)) != 0) {
+		fprintf(stderr, "posix_memalign: %s\n", strerror(e));
+		exit(1);
+	}
+	if (buf == NULL) {
+		fprintf(stderr, "posix_memalign: buf is NULL\n");
+		exit(1);
+	}
+	e = read(fd, buf, len) < 0 ? errno : 0;
+	free(buf);
+	if (v)
+		printf("%d/%d: dread %s [%lld,%ld] %d\n",
+		       procid, opno, f.path, (long long int)off, (long)len, e);
+	free_pathname(&f);
+	close(fd);
+}
+
+void dwrite_f(int opno, long r)
+{
+	__int64_t align;
+	char *buf = NULL;
+	struct dioattr diob;
+	int e;
+	pathname_t f;
+	int fd;
+	size_t len;
+	__int64_t lr;
+	off64_t off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: dwrite - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_WRONLY);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: dwrite - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+
+	if (!setdirect(fd)) {
+		close(fd);
+		free_pathname(&f);
+		return;
+	}
+	if (fstat64(fd, &stb) < 0) {
+		if (v)
+			printf("%d/%d: dwrite - fstat64 %s failed %d\n",
+			       procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	memset(&diob, 0, sizeof(diob));
+	if (no_xfs) {
+		diob.d_miniosz = stb.st_blksize;
+		diob.d_maxiosz = stb.st_blksize * 256;	/* good number ? */
+		diob.d_mem = stb.st_blksize;
+	}
+#ifndef NO_XFS
+	else if (ioctl(fd, XFS_IOC_DIOINFO, &diob) < 0) {
+		if (v)
+			printf
+			    ("%d/%d: dwrite - ioctl(fd, XFS_IOC_DIOINFO) %s failed %d\n",
+			     procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+#endif
+	align = (__int64_t) diob.d_miniosz;
+	lr = ((__int64_t) random() << 32) + random();
+	off = (off64_t) (lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
+	off -= (off % align);
+	lseek64(fd, off, SEEK_SET);
+	len = (random() % (getpagesize() * 32)) + 1;
+	len -= (len % align);
+	if (len <= 0)
+		len = align;
+	else if (len > diob.d_maxiosz)
+		len = diob.d_maxiosz;
+	if ((e = posix_memalign((void **)&buf, diob.d_mem, len)) != 0) {
+		fprintf(stderr, "posix_memalign: %s\n", strerror(e));
+		exit(1);
+	}
+	if (buf == NULL) {
+		fprintf(stderr, "posix_memalign: buf is NULL\n");
+		exit(1);
+	}
+	off %= maxfsize;
+	lseek64(fd, off, SEEK_SET);
+	memset(buf, nameseq & 0xff, len);
+	e = write(fd, buf, len) < 0 ? errno : 0;
+	free(buf);
+	if (v)
+		printf("%d/%d: dwrite %s [%lld,%ld] %d\n",
+		       procid, opno, f.path, (long long)off, (long int)len, e);
+	free_pathname(&f);
+	close(fd);
+}
+
+void fdatasync_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	int fd;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: fdatasync - no filename\n",
+			       procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_WRONLY);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: fdatasync - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	e = fdatasync(fd) < 0 ? errno : 0;
+	if (v)
+		printf("%d/%d: fdatasync %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+	close(fd);
+}
+
+#ifndef NO_XFS
+void freesp_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	int fd;
+	struct xfs_flock64 fl;
+	__s64 lr;
+	__s64 off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: freesp - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_RDWR);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: freesp - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	if (fstat64(fd, &stb) < 0) {
+		if (v)
+			printf("%d/%d: freesp - fstat64 %s failed %d\n",
+			       procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	lr = ((__s64) random() << 32) + random();
+	off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+	off %= maxfsize;
+	memset(&fl, 0, sizeof(fl));
+	fl.l_whence = SEEK_SET;
+	fl.l_start = off;
+	fl.l_len = 0;
+	e = ioctl(fd, XFS_IOC_FREESP64, &fl) < 0 ? errno : 0;
+	if (v)
+		printf("%d/%d: ioctl(XFS_IOC_FREESP64) %s %lld 0 %d\n",
+		       procid, opno, f.path, (long long)off, e);
+	free_pathname(&f);
+	close(fd);
+}
+
+#endif
+
+void fsync_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	int fd;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: fsync - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_WRONLY);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: fsync - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	e = fsync(fd) < 0 ? errno : 0;
+	if (v)
+		printf("%d/%d: fsync %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+	close(fd);
+}
+
+void getdents_f(int opno, long r)
+{
+	DIR *dir;
+	pathname_t f;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_DIRm, r, &f, NULL, NULL, &v))
+		append_pathname(&f, ".");
+	dir = opendir_path(&f);
+	check_cwd();
+	if (dir == NULL) {
+		if (v)
+			printf("%d/%d: getdents - can't open %s\n",
+			       procid, opno, f.path);
+		free_pathname(&f);
+		return;
+	}
+	while (readdir64(dir) != NULL)
+		continue;
+	if (v)
+		printf("%d/%d: getdents %s 0\n", procid, opno, f.path);
+	free_pathname(&f);
+	closedir(dir);
+}
+
+void link_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	fent_t *fep;
+	flist_t *flp;
+	int id;
+	pathname_t l;
+	int parid;
+	int v;
+	int v1;
+
+	init_pathname(&f);
+	if (!get_fname(FT_NOTDIR, r, &f, &flp, NULL, &v1)) {
+		if (v1)
+			printf("%d/%d: link - no file\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	if (!get_fname(FT_DIRm, random(), NULL, NULL, &fep, &v))
+		parid = -1;
+	else
+		parid = fep->id;
+	v |= v1;
+	init_pathname(&l);
+	e = generate_fname(fep, flp - flist, &l, &id, &v1);
+	v |= v1;
+	if (!e) {
+		if (v) {
+			fent_to_name(&l, &flist[FT_DIR], fep);
+			printf("%d/%d: link - no filename from %s\n",
+			       procid, opno, l.path);
+		}
+		free_pathname(&l);
+		free_pathname(&f);
+		return;
+	}
+	e = link_path(&f, &l) < 0 ? errno : 0;
+	check_cwd();
+	if (e == 0)
+		add_to_flist(flp - flist, id, parid);
+	if (v)
+		printf("%d/%d: link %s %s %d\n", procid, opno, f.path, l.path,
+		       e);
+	free_pathname(&l);
+	free_pathname(&f);
+}
+
+void mkdir_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	fent_t *fep;
+	int id;
+	int parid;
+	int v;
+	int v1;
+
+	if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+		parid = -1;
+	else
+		parid = fep->id;
+	init_pathname(&f);
+	e = generate_fname(fep, FT_DIR, &f, &id, &v1);
+	v |= v1;
+	if (!e) {
+		if (v) {
+			fent_to_name(&f, &flist[FT_DIR], fep);
+			printf("%d/%d: mkdir - no filename from %s\n",
+			       procid, opno, f.path);
+		}
+		free_pathname(&f);
+		return;
+	}
+	e = mkdir_path(&f, 0777) < 0 ? errno : 0;
+	check_cwd();
+	if (e == 0)
+		add_to_flist(FT_DIR, id, parid);
+	if (v)
+		printf("%d/%d: mkdir %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+}
+
+void mknod_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	fent_t *fep;
+	int id;
+	int parid;
+	int v;
+	int v1;
+
+	if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+		parid = -1;
+	else
+		parid = fep->id;
+	init_pathname(&f);
+	e = generate_fname(fep, FT_DEV, &f, &id, &v1);
+	v |= v1;
+	if (!e) {
+		if (v) {
+			fent_to_name(&f, &flist[FT_DIR], fep);
+			printf("%d/%d: mknod - no filename from %s\n",
+			       procid, opno, f.path);
+		}
+		free_pathname(&f);
+		return;
+	}
+	e = mknod_path(&f, S_IFCHR | 0444, 0) < 0 ? errno : 0;
+	check_cwd();
+	if (e == 0)
+		add_to_flist(FT_DEV, id, parid);
+	if (v)
+		printf("%d/%d: mknod %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+}
+
+void read_f(int opno, long r)
+{
+	char *buf;
+	int e;
+	pathname_t f;
+	int fd;
+	size_t len;
+	__int64_t lr;
+	off64_t off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: read - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_RDONLY);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: read - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	if (fstat64(fd, &stb) < 0) {
+		if (v)
+			printf("%d/%d: read - fstat64 %s failed %d\n",
+			       procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	if (stb.st_size == 0) {
+		if (v)
+			printf("%d/%d: read - %s zero size\n", procid, opno,
+			       f.path);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	lr = ((__int64_t) random() << 32) + random();
+	off = (off64_t) (lr % stb.st_size);
+	lseek64(fd, off, SEEK_SET);
+	len = (random() % (getpagesize() * 32)) + 1;
+	buf = malloc(len);
+	e = read(fd, buf, len) < 0 ? errno : 0;
+	free(buf);
+	if (v)
+		printf("%d/%d: read %s [%lld,%ld] %d\n",
+		       procid, opno, f.path, (long long)off, (long int)len, e);
+	free_pathname(&f);
+	close(fd);
+}
+
+void readlink_f(int opno, long r)
+{
+	char buf[PATH_MAX];
+	int e;
+	pathname_t f;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_SYMm, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: readlink - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	e = readlink_path(&f, buf, PATH_MAX) < 0 ? errno : 0;
+	check_cwd();
+	if (v)
+		printf("%d/%d: readlink %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+}
+
+void rename_f(int opno, long r)
+{
+	fent_t *dfep;
+	int e;
+	pathname_t f;
+	fent_t *fep;
+	flist_t *flp;
+	int id;
+	pathname_t newf;
+	int oldid;
+	int parid;
+	int v;
+	int v1;
+
+	init_pathname(&f);
+	if (!get_fname(FT_ANYm, r, &f, &flp, &fep, &v1)) {
+		if (v1)
+			printf("%d/%d: rename - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	if (!get_fname(FT_DIRm, random(), NULL, NULL, &dfep, &v))
+		parid = -1;
+	else
+		parid = dfep->id;
+	v |= v1;
+	init_pathname(&newf);
+	e = generate_fname(dfep, flp - flist, &newf, &id, &v1);
+	v |= v1;
+	if (!e) {
+		if (v) {
+			fent_to_name(&f, &flist[FT_DIR], dfep);
+			printf("%d/%d: rename - no filename from %s\n",
+			       procid, opno, f.path);
+		}
+		free_pathname(&newf);
+		free_pathname(&f);
+		return;
+	}
+	e = rename_path(&f, &newf) < 0 ? errno : 0;
+	check_cwd();
+	if (e == 0) {
+		if (flp - flist == FT_DIR) {
+			oldid = fep->id;
+			fix_parent(oldid, id);
+		}
+		del_from_flist(flp - flist, fep - flp->fents);
+		add_to_flist(flp - flist, id, parid);
+	}
+	if (v)
+		printf("%d/%d: rename %s to %s %d\n", procid, opno, f.path,
+		       newf.path, e);
+	free_pathname(&newf);
+	free_pathname(&f);
+}
+
+#ifndef NO_XFS
+void resvsp_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	int fd;
+	struct xfs_flock64 fl;
+	__s64 lr;
+	__s64 off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: resvsp - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_RDWR);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: resvsp - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	if (fstat64(fd, &stb) < 0) {
+		if (v)
+			printf("%d/%d: resvsp - fstat64 %s failed %d\n",
+			       procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	lr = ((__s64) random() << 32) + random();
+	off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+	off %= maxfsize;
+	memset(&fl, 0, sizeof(fl));
+	fl.l_whence = SEEK_SET;
+	fl.l_start = off;
+	fl.l_len = (__s64) (random() % (1024 * 1024));
+	e = ioctl(fd, XFS_IOC_RESVSP64, &fl) < 0 ? errno : 0;
+	if (v)
+		printf("%d/%d: ioctl(XFS_IOC_RESVSP64) %s %lld %lld %d\n",
+		       procid, opno, f.path, (long long)off,
+		       (long long)fl.l_len, e);
+	free_pathname(&f);
+	close(fd);
+}
+#endif
+
+void rmdir_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	fent_t *fep;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_DIRm, r, &f, NULL, &fep, &v)) {
+		if (v)
+			printf("%d/%d: rmdir - no directory\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	e = rmdir_path(&f) < 0 ? errno : 0;
+	check_cwd();
+	if (e == 0)
+		del_from_flist(FT_DIR, fep - flist[FT_DIR].fents);
+	if (v)
+		printf("%d/%d: rmdir %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+}
+
+void stat_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_ANYm, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: stat - no entries\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	e = lstat64_path(&f, &stb) < 0 ? errno : 0;
+	check_cwd();
+	if (v)
+		printf("%d/%d: stat %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+}
+
+void symlink_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	fent_t *fep;
+	int i;
+	int id;
+	int len;
+	int parid;
+	int v;
+	int v1;
+	char *val;
+
+	if (!get_fname(FT_DIRm, r, NULL, NULL, &fep, &v))
+		parid = -1;
+	else
+		parid = fep->id;
+	init_pathname(&f);
+	e = generate_fname(fep, FT_SYM, &f, &id, &v1);
+	v |= v1;
+	if (!e) {
+		if (v) {
+			fent_to_name(&f, &flist[FT_DIR], fep);
+			printf("%d/%d: symlink - no filename from %s\n",
+			       procid, opno, f.path);
+		}
+		free_pathname(&f);
+		return;
+	}
+	len = (int)(random() % PATH_MAX);
+	val = malloc(len + 1);
+	if (len)
+		memset(val, 'x', len);
+	val[len] = '\0';
+	for (i = 10; i < len - 1; i += 10)
+		val[i] = '/';
+	e = symlink_path(val, &f) < 0 ? errno : 0;
+	check_cwd();
+	if (e == 0)
+		add_to_flist(FT_SYM, id, parid);
+	free(val);
+	if (v)
+		printf("%d/%d: symlink %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+}
+
+/* ARGSUSED */
+void sync_f(int opno, long r)
+{
+	sync();
+	if (verbose)
+		printf("%d/%d: sync\n", procid, opno);
+}
+
+void truncate_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	__int64_t lr;
+	off64_t off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: truncate - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	e = stat64_path(&f, &stb) < 0 ? errno : 0;
+	check_cwd();
+	if (e > 0) {
+		if (v)
+			printf("%d/%d: truncate - stat64 %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	lr = ((__int64_t) random() << 32) + random();
+	off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+	off %= maxfsize;
+	e = truncate64_path(&f, off) < 0 ? errno : 0;
+	check_cwd();
+	if (v)
+		printf("%d/%d: truncate %s %lld %d\n", procid, opno, f.path,
+		       (long long)off, e);
+	free_pathname(&f);
+}
+
+void unlink_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	fent_t *fep;
+	flist_t *flp;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_NOTDIR, r, &f, &flp, &fep, &v)) {
+		if (v)
+			printf("%d/%d: unlink - no file\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	e = unlink_path(&f) < 0 ? errno : 0;
+	check_cwd();
+	if (e == 0)
+		del_from_flist(flp - flist, fep - flp->fents);
+	if (v)
+		printf("%d/%d: unlink %s %d\n", procid, opno, f.path, e);
+	free_pathname(&f);
+}
+
+#ifndef NO_XFS
+void unresvsp_f(int opno, long r)
+{
+	int e;
+	pathname_t f;
+	int fd;
+	struct xfs_flock64 fl;
+	__s64 lr;
+	__s64 off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: unresvsp - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_RDWR);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: unresvsp - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	if (fstat64(fd, &stb) < 0) {
+		if (v)
+			printf("%d/%d: unresvsp - fstat64 %s failed %d\n",
+			       procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	lr = ((__s64) random() << 32) + random();
+	off = lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE);
+	off %= maxfsize;
+	memset(&fl, 0, sizeof(fl));
+	fl.l_whence = SEEK_SET;
+	fl.l_start = off;
+	fl.l_len = (__s64) (random() % (1 << 20));
+	e = ioctl(fd, XFS_IOC_UNRESVSP64, &fl) < 0 ? errno : 0;
+	if (v)
+		printf("%d/%d: ioctl(XFS_IOC_UNRESVSP64) %s %lld %lld %d\n",
+		       procid, opno, f.path, (long long)off,
+		       (long long)fl.l_len, e);
+	free_pathname(&f);
+	close(fd);
+}
+#endif
+
+void write_f(int opno, long r)
+{
+	char *buf;
+	int e;
+	pathname_t f;
+	int fd;
+	size_t len;
+	__int64_t lr;
+	off64_t off;
+	struct stat64 stb;
+	int v;
+
+	init_pathname(&f);
+	if (!get_fname(FT_REGm, r, &f, NULL, NULL, &v)) {
+		if (v)
+			printf("%d/%d: write - no filename\n", procid, opno);
+		free_pathname(&f);
+		return;
+	}
+	fd = open_path(&f, O_WRONLY);
+	e = fd < 0 ? errno : 0;
+	check_cwd();
+	if (fd < 0) {
+		if (v)
+			printf("%d/%d: write - open %s failed %d\n",
+			       procid, opno, f.path, e);
+		free_pathname(&f);
+		return;
+	}
+	if (fstat64(fd, &stb) < 0) {
+		if (v)
+			printf("%d/%d: write - fstat64 %s failed %d\n",
+			       procid, opno, f.path, errno);
+		free_pathname(&f);
+		close(fd);
+		return;
+	}
+	lr = ((__int64_t) random() << 32) + random();
+	off = (off64_t) (lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
+	off %= maxfsize;
+	lseek64(fd, off, SEEK_SET);
+	len = (random() % (getpagesize() * 32)) + 1;
+	buf = malloc(len);
+	memset(buf, nameseq & 0xff, len);
+	e = write(fd, buf, len) < 0 ? errno : 0;
+	free(buf);
+	if (v)
+		printf("%d/%d: write %s [%lld,%ld] %d\n",
+		       procid, opno, f.path, (long long)off, (long int)len, e);
+	free_pathname(&f);
+	close(fd);
+}