/*
+ * Copyright (C) 1991, NeXT Computer, Inc. All Rights Reserverd.
* Copyright (c) 1998-2001 Apple Computer, Inc. All rights reserved.
*
* Copyright (c) 2012, Intel Corporation.
*
* Various features from Joe Sokol, Pat Dirks, and Clark Warner.
*
- * Small changes to work under Linux -- davej@suse.de
+ * Small changes to work under Linux -- davej.
*
* Sundry porting patches from Guy Harris 12/2001
* $FreeBSD: src/tools/regression/fsx/fsx.c,v 1.1 2001/12/20 04:15:57 jkh Exp $
+ *
+ * Checks for mmap last-page zero fill.
+ *
+ * Add multi-file testing feature -- Zach Brown <zab@clusterfs.com>
+ *
+ * Add random preallocation calls - Eric Sandeen <sandeen@redhat.com>
+ *
+ * $FreeBSD: src/tools/regression/fsx/fsx.c,v 1.2 2003/04/23 23:42:23 jkh Exp $
+ * $DragonFly: src/test/stress/fsx/fsx.c,v 1.2 2005/05/02 19:31:56 dillon Exp $
*/
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
#include <sys/types.h>
#include <sys/stat.h>
#if defined(_UWIN) || defined(__linux__)
# include <limits.h>
# include <time.h>
# include <strings.h>
-# include <sys/time.h>
#endif
+#include <sys/time.h>
#include <fcntl.h>
#include <sys/mman.h>
#ifndef MAP_FILE
#include <limits.h>
#include <signal.h>
#include <stdio.h>
+#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <errno.h>
#include <libcfs/util/string.h>
-
-#define NUMPRINTCOLUMNS 32 /* # columns of data to print on each line */
+#include <setjmp.h>
/*
* Each test run will work with one or more separate file descriptors for the
struct test_file {
char *path;
int fd;
-} *test_files = NULL;
+ int o_direct;
+} *test_files = NULL, *tf;
int num_test_files;
+
enum fd_iteration_policy {
FD_SINGLE,
FD_ROTATE,
FD_RANDOM,
};
+
int fd_policy = FD_RANDOM;
int fd_last;
*/
struct log_entry {
- int operation;
- int args[3];
- struct timeval tv;
- const struct test_file *tf;
+ int operation;
+ int args[3];
+ struct timeval tv;
+ const struct test_file *tf;
};
#define LOGSIZE 100000
-struct log_entry oplog[LOGSIZE]; /* the log */
-int logptr = 0; /* current position in log */
-int logcount = 0; /* total ops */
+struct log_entry oplog[LOGSIZE]; /* the log */
+int logptr; /* current position in log */
+int logcount; /* total ops */
+int jmpbuf_good;
+jmp_buf jmpbuf;
/*
- * Define operations
+ * Define operations
*/
-#define OP_READ 1
-#define OP_WRITE 2
-#define OP_TRUNCATE 3
-#define OP_CLOSEOPEN 4
-#define OP_MAPREAD 5
-#define OP_MAPWRITE 6
-#define OP_SKIPPED 7
+/* common operations */
+#define OP_READ 0
+#define OP_WRITE 1
+#define OP_MAPREAD 2
+#define OP_MAPWRITE 3
+#define OP_MAX_LITE 4
+
+/* !lite operations */
+#define OP_TRUNCATE 4
+#define OP_FALLOCATE 5
+#define OP_PUNCH_HOLE 6
+#define OP_ZERO_RANGE 7
+#define OP_CLOSEOPEN 8
+#define OP_MAX_FULL 9
+
+#define OP_SKIPPED 101
+/* _GNU_SOURCE defines O_DIRECT as 14th bit which is 0x4000(16384) */
+#define OP_DIRECT 16384
+
+#ifndef FALLOC_FL_PUNCH_HOLE
+#define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */
+#endif
+
+#ifndef FALLOC_FL_KEEP_SIZE
+#define FALLOC_FL_KEEP_SIZE 0x01 /* default is extend size */
+#endif
+
+#ifndef FALLOC_FL_ZERO_RANGE
+#define FALLOC_FL_ZERO_RANGE 0x10 /* convert range to zeros */
+#endif
+
+
+char *original_buf; /* a pointer to the original data */
+char *good_buf; /* a pointer to the correct data */
+char *temp_buf; /* a pointer to the current data */
+char *fname; /* name of our test file */
+char logfile[PATH_MAX]; /* name of our log file */
+char goodfile[PATH_MAX]; /* name of our test file */
+
+struct timeval tv; /* time current operation started */
+off_t file_size;
+off_t biggest;
+char state[256];
+unsigned long testcalls; /* calls to function "test" */
+
+long simulatedopcount; /* -b flag */
+int closeprob; /* -c flag */
+int debug ; /* -d flag */
+long debugstart; /* -D flag */
+int flush; /* -f flag */
+int do_fsync; /* -y flag */
+long maxfilelen = 256 * 1024; /* -l flag */
+int sizechecks = 1; /* -n flag disables them */
+int maxoplen = 64 * 1024; /* -o flag */
+int quiet; /* -q flag */
+long progressinterval; /* -p flag */
+int readbdy = 1; /* -r flag */
+int style; /* -s flag */
+int truncbdy = 1; /* -t flag */
+int writebdy = 1; /* -w flag */
+long monitorstart = -1; /* -m flag */
+long monitorend = -1; /* -m flag */
+int lite; /* -L flag */
+long numops = -1; /* -N flag */
+int randomoplen = 1; /* -O flag disables it */
+int seed = 1; /* -S flag */
+int mapped_writes = 1; /* -W flag disables */
+int fallocate_calls = 1; /* -F flag disables */
+int punch_hole_calls = 1; /* -H flag disables */
+int zero_range_calls = 1; /* -z flag disables */
+int mapped_reads = 1; /* -R flag disables it */
+int fsxgoodfd;
+int o_direct; /* -Z */
+int fl_keep_size;
int page_size;
int page_mask;
-char *original_buf; /* a pointer to the original data */
-char *good_buf; /* a pointer to the correct data */
-char *temp_buf; /* a pointer to the current data */
-char *fname; /* name of our test file */
-char logfile[PATH_MAX]; /* name of our log file */
-char goodfile[PATH_MAX]; /* name of our test file */
-
-off_t file_size = 0;
-off_t biggest = 0;
-char state[256];
-unsigned long testcalls = 0; /* calls to function "test" */
-
-long simulatedopcount = 0; /* -b flag */
-int closeprob = 0; /* -c flag */
-int debug = 0; /* -d flag */
-long debugstart = 0; /* -D flag */
-long maxfilelen = 256 * 1024; /* -l flag */
-int sizechecks = 1; /* -n flag disables them */
-int maxoplen = 64 * 1024; /* -o flag */
-int quiet = 0; /* -q flag */
-long progressinterval = 0; /* -p flag */
-int readbdy = 1; /* -r flag */
-int style = 0; /* -s flag */
-int truncbdy = 1; /* -t flag */
-int writebdy = 1; /* -w flag */
-long monitorstart = -1; /* -m flag */
-long monitorend = -1; /* -m flag */
-int lite = 0; /* -L flag */
-long numops = -1; /* -N flag */
-int randomoplen = 1; /* -O flag disables it */
-int seed = 1; /* -S flag */
-int mapped_writes = 1; /* -W flag disables */
-int mapped_reads = 1; /* -R flag disables it */
-int fsxgoodfd = 0;
-int o_direct; /* -Z */
-FILE * fsxlogf = NULL;
+FILE *fsxlogf;
int badoff = -1;
void
va_list ap;
{
fprintf(stderr, "fsx: ");
- if (fmt != NULL) {
+ if (fmt) {
vfprintf(stderr, fmt, ap);
fprintf(stderr, ": ");
}
fprintf(stderr, "%s\n", strerror(code));
}
-
void
-warn(const char * fmt, ...)
+__attribute__((format(__printf__, 1, 2)))
+warn(const char *fmt, ...)
{
va_list ap;
+
va_start(ap, fmt);
vwarnc(errno, fmt, ap);
va_end(ap);
}
-
void
-__attribute__((format(printf, 1, 2)))
+__attribute__((format(__printf__, 1, 2)))
prt(char *fmt, ...)
{
va_list args;
}
}
+/*
+ * prterr() is now a macro. It internally calls ptrerr_func()
+ * which transparently handles passing of function name.
+ * This version also keeps checkpatch happy.
+ */
void
-prterr(char *prefix)
+ptrerr_func(const char *func, const char *prefix)
{
- prt("%s%s%s\n", prefix, prefix ? ": " : "", strerror(errno));
+ prt("%s: %s%s%s\n", func, prefix, prefix ? ": " : "", strerror(errno));
}
-
+#define prterr(prefix) ptrerr_func(__func__, prefix)
void
-log4(int operation, int arg0, int arg1, int arg2, struct timeval *tv,
- const struct test_file *tf)
+log4(int operation, int arg0, int arg1, int arg2)
{
struct log_entry *le;
le->args[0] = arg0;
le->args[1] = arg1;
le->args[2] = arg2;
- le->tv = *tv;
+ gettimeofday(&tv, NULL);
+ le->tv = tv;
le->tf = tf;
logptr++;
logcount++;
void
logdump(void)
{
- int i, count, down;
- struct log_entry *lp;
+ int i, count, down;
+ struct log_entry *lp;
+ char *falloc_type[3] = {"PAST_EOF", "EXTENDING", "INTERIOR"};
prt("LOG DUMP (%d total operations):\n", logcount);
if (logcount < LOGSIZE) {
for ( ; count > 0; count--) {
int opnum;
- opnum = i+1 + (logcount/LOGSIZE)*LOGSIZE;
+ opnum = i + 1 + (logcount / LOGSIZE) * LOGSIZE;
lp = &oplog[i];
- prt("%d%s: %lu.%06lu ", opnum, fill_tf_buf(lp->tf),
- lp->tv.tv_sec, lp->tv.tv_usec);
+ prt("%d%s: %lu.%06u ", opnum, fill_tf_buf(lp->tf),
+ lp->tv.tv_sec, (int)lp->tv.tv_usec);
switch (lp->operation) {
case OP_MAPREAD:
- prt("MAPREAD 0x%x thru 0x%x (0x%x bytes)",
+ prt("MAPREAD 0x%05x thru 0x%05x (0x%05x bytes)",
lp->args[0], lp->args[0] + lp->args[1] - 1,
lp->args[1]);
if (badoff >= lp->args[0] && badoff <
prt("\t***RRRR***");
break;
case OP_MAPWRITE:
- prt("MAPWRITE 0x%x thru 0x%x (0x%x bytes)",
+ prt("MAPWRITE 0x%05x thru 0x%05x (0x%05x bytes)",
lp->args[0], lp->args[0] + lp->args[1] - 1,
lp->args[1]);
if (badoff >= lp->args[0] && badoff <
prt("\t******WWWW");
break;
case OP_READ:
- prt("READ 0x%x thru 0x%x (0x%x bytes)",
+ case OP_READ + OP_DIRECT:
+ prt("READ%s 0x%05x thru 0x%05x (0x%05x bytes)",
+ lp->operation & OP_DIRECT ? "_OD" : " ",
lp->args[0], lp->args[0] + lp->args[1] - 1,
lp->args[1]);
if (badoff >= lp->args[0] &&
prt("\t***RRRR***");
break;
case OP_WRITE:
- prt("WRITE 0x%x thru 0x%x (0x%x bytes)",
+ case OP_WRITE + OP_DIRECT:
+ prt("WRITE%s 0x%05x thru 0x%05x (0x%05x bytes)",
+ lp->operation & OP_DIRECT ? "_OD" : " ",
lp->args[0], lp->args[0] + lp->args[1] - 1,
lp->args[1]);
if (lp->args[0] > lp->args[2])
prt(" HOLE");
else if (lp->args[0] + lp->args[1] > lp->args[2])
prt(" EXTEND");
- if ((badoff >= lp->args[0] || badoff >=lp->args[2]) &&
+ if ((badoff >= lp->args[0] || badoff >= lp->args[2]) &&
badoff < lp->args[0] + lp->args[1])
prt("\t***WWWW");
break;
case OP_TRUNCATE:
down = lp->args[0] < lp->args[1];
- prt("TRUNCATE %s\tfrom 0x%x to 0x%x",
+ prt("TRUNCATE %s\tfrom 0x%05x to 0x%05x",
down ? "DOWN" : "UP", lp->args[1], lp->args[0]);
if (badoff >= lp->args[!down] &&
badoff < lp->args[!!down])
prt("\t******WWWW");
break;
+ case OP_FALLOCATE:
+ /* 0: offset 1: length 2: where alloced */
+ prt("FALLOC \tfrom 0x%05x to 0x%05x\t(0x%05x bytes)%s",
+ lp->args[0], lp->args[0] + lp->args[1],
+ lp->args[1], falloc_type[lp->args[2]]);
+ if (badoff >= lp->args[0] &&
+ badoff < lp->args[0] + lp->args[1])
+ prt("\t******FFFF");
+ break;
+ case OP_PUNCH_HOLE:
+ prt("PUNCH 0x%05x thru 0x%05x\t(0x%05x bytes)",
+ lp->args[0], lp->args[0] + lp->args[1] - 1,
+ lp->args[1]);
+ if (badoff >= lp->args[0] && badoff <
+ lp->args[0] + lp->args[1])
+ prt("\t******PPPP");
+ break;
+ case OP_ZERO_RANGE:
+ prt("ZERO 0x%05x thru 0x%05x\t(0x%05x bytes)",
+ lp->args[0], lp->args[0] + lp->args[1] - 1,
+ lp->args[1]);
+ if (badoff >= lp->args[0] && badoff <
+ lp->args[0] + lp->args[1])
+ prt("\t******ZZZZ");
+ break;
case OP_CLOSEOPEN:
- prt("CLOSE/OPEN");
+ case OP_CLOSEOPEN + OP_DIRECT:
+ prt("CLOSE/OPEN%s",
+ lp->operation & OP_DIRECT ? "_OD" : " ");
break;
case OP_SKIPPED:
prt("SKIPPED (no operation)");
}
}
-
void
save_buffer(char *buffer, off_t bufferlength, int fd)
{
if (fd <= 0 || bufferlength == 0)
return;
- if (bufferlength > SSIZE_MAX) {
- prt("fsx flaw: overflow in save_buffer\n");
+ if (bufferlength > INT_MAX) {
+ prt("fsx flaw: overflow in %s\n", __func__);
exit(67);
}
if (lite) {
off_t size_by_seek = lseek(fd, (off_t)0, SEEK_END);
- if (size_by_seek == (off_t)-1)
- prterr("save_buffer: lseek eof");
- else if (bufferlength > size_by_seek) {
- warn("save_buffer: .fsxgood file too short... will"
- "save 0x%llx bytes instead of 0x%llx\n",
- (unsigned long long)size_by_seek,
- (unsigned long long)bufferlength);
+
+ if (size_by_seek == (off_t)-1) {
+ prterr("lseek eof");
+ } else if (bufferlength > size_by_seek) {
+ warn("%s: .fsxgood file too short... will save 0x%llx bytes instead of 0x%llx\n",
+ __func__, (unsigned long long)size_by_seek,
+ (unsigned long long)bufferlength);
bufferlength = size_by_seek;
}
}
ret = lseek(fd, (off_t)0, SEEK_SET);
if (ret == (off_t)-1)
- prterr("save_buffer: lseek 0");
+ prterr("lseek 0");
byteswritten = write(fd, buffer, (size_t)bufferlength);
if (byteswritten != bufferlength) {
if (byteswritten == -1)
- prterr("save_buffer write");
+ prterr("write");
else
- warn("save_buffer: short write, 0x%x bytes instead"
- "of 0x%llx\n",
- (unsigned)byteswritten,
+ warn("%s: short write, 0x%x bytes instead of 0x%llx\n",
+ __func__, (unsigned int)byteswritten,
(unsigned long long)bufferlength);
}
}
-
void
report_failure(int status)
{
exit(status);
}
-
#define short_at(cp) ((unsigned short)((*((unsigned char *)(cp)) << 8) | \
- *(((unsigned char *)(cp)) + 1)))
+ *(((unsigned char *)(cp)) + 1)))
void
-check_buffers(unsigned offset, unsigned size)
+check_buffers(unsigned int offset, unsigned int size)
{
unsigned char c, t;
- unsigned i = 0;
- unsigned n = 0;
- unsigned op = 0;
- unsigned bad = 0;
+ unsigned int i = 0;
+ unsigned int n = 0;
+ unsigned int op = 0;
+ unsigned int bad = 0;
if (memcmp(good_buf + offset, temp_buf, size) != 0) {
prt("READ BAD DATA: offset = 0x%x, size = 0x%x\n",
c = good_buf[offset];
t = temp_buf[i];
if (c != t) {
- if (n == 0) {
+ if (n == 0) {
bad = short_at(&temp_buf[i]);
- prt("%#07x\t%#06x\t%#06x", offset,
- short_at(&good_buf[offset]), bad);
- op = temp_buf[offset & 1 ? i+1 : i];
+ prt("%#07x\t%#06x\t%#06x", offset,
+ short_at(&good_buf[offset]), bad);
+ op = temp_buf[offset & 1 ? i + 1 : i];
}
n++;
badoff = offset;
size--;
}
if (n) {
- prt("\t%#7x\n", n);
+ prt("\t%#7x\n", n);
if (bad)
- prt("operation# (mod 256) for the bad data"
- "may be %u\n", ((unsigned)op & 0xff));
+ prt("operation# (mod 256) for the bad data may be %u\n",
+ ((unsigned int)op & 0xff));
else
- prt("operation# (mod 256) for the bad data"
- "unknown, check HOLE and EXTEND ops\n");
- } else
- prt("????????????????\n");
+ prt("operation# (mod 256) for the bad data unknown, check HOLE and EXTEND ops\n");
+ } else {
+ prt("????????????????\n");
+ }
report_failure(110);
}
}
struct test_file *
get_tf(void)
{
- unsigned index = 0;
+ unsigned int index = 0;
switch (fd_policy) {
- case FD_ROTATE:
- index = fd_last++;
- break;
- case FD_RANDOM:
- index = random();
- break;
- case FD_SINGLE:
- index = 0;
- break;
- default:
- prt("unknown policy");
- exit(1);
- break;
+ case FD_ROTATE:
+ index = fd_last++;
+ break;
+ case FD_RANDOM:
+ index = random();
+ break;
+ case FD_SINGLE:
+ index = 0;
+ break;
+ default:
+ prt("unknown policy");
+ exit(1);
+ break;
}
- return &test_files[ index % num_test_files ];
+ return &test_files[index % num_test_files];
}
void
assign_fd_policy(char *policy)
{
- if (!strcmp(policy, "random"))
+ if (!strcmp(policy, "random")) {
fd_policy = FD_RANDOM;
- else if (!strcmp(policy, "rotate"))
+ } else if (!strcmp(policy, "rotate")) {
fd_policy = FD_ROTATE;
- else {
+ } else {
prt("unknown -I policy: '%s'\n", policy);
exit(1);
}
get_fd(void)
{
struct test_file *tf = get_tf();
+
return tf->fd;
}
fd_policy = FD_SINGLE;
test_files = calloc(num_test_files, sizeof(*test_files));
- if (test_files == NULL) {
+ if (!test_files) {
prterr("reallocating space for test files");
exit(1);
}
for (i = 0, tf = test_files; i < num_test_files; i++, tf++) {
-
tf->path = argv[i];
- tf->fd = open(tf->path, O_RDWR|(lite ? 0 : O_CREAT|O_TRUNC)|
- o_direct, 0666);
+#ifdef O_DIRECT
+ tf->o_direct = (random() % (o_direct + 1)) ? OP_DIRECT : 0;
+#endif
+ tf->fd = open(tf->path,
+ O_RDWR | (lite ? 0 : O_CREAT | O_TRUNC) |
+ tf->o_direct, 0666);
if (tf->fd < 0) {
prterr(tf->path);
exit(91);
}
}
-
void
check_size(void)
{
- struct stat statbuf;
- off_t size_by_seek;
+ struct stat statbuf;
+ off_t size_by_seek;
int fd = get_fd();
if (fstat(fd, &statbuf)) {
- prterr("check_size: fstat");
+ prterr("fstat");
statbuf.st_size = -1;
}
size_by_seek = lseek(fd, (off_t)0, SEEK_END);
}
}
-
void
check_trunc_hack(void)
{
struct stat statbuf;
int fd = get_fd();
- /* should not ignore ftruncate(2)'s return value */
- if (ftruncate(fd, (off_t)0) < 0) {
- prterr("trunc_hack: ftruncate(0)");
- exit(1);
- }
- if (ftruncate(fd, (off_t)100000) < 0) {
- prterr("trunc_hack: ftruncate(100000)");
- exit(1);
- }
+ /* should not ignore ftruncate(2)'s return value */
+ if (ftruncate(fd, (off_t)0) < 0) {
+ prterr("trunc_hack: ftruncate(0)");
+ exit(1);
+ }
+ if (ftruncate(fd, (off_t)100000) < 0) {
+ prterr("trunc_hack: ftruncate(100000)");
+ exit(1);
+ }
if (fstat(fd, &statbuf)) {
prterr("trunc_hack: fstat");
statbuf.st_size = -1;
prt("no extend on truncate! not posix!\n");
exit(130);
}
- if (ftruncate(fd, 0) < 0) {
- prterr("trunc_hack: ftruncate(0) (2nd call)");
- exit(1);
- }
+ if (ftruncate(fd, 0) < 0) {
+ prterr("trunc_hack: ftruncate(0) (2nd call)");
+ exit(1);
+ }
}
void
-output_line(struct test_file *tf, int op, unsigned offset,
- unsigned size, struct timeval *tv)
+output_line(struct test_file *tf, int op, unsigned int offset,
+ unsigned int size)
{
char *ops[] = {
[OP_READ] = "read",
[OP_TRUNCATE] = "trunc from",
[OP_MAPREAD] = "mapread",
[OP_MAPWRITE] = "mapwrite",
+ [OP_READ + OP_DIRECT] = "read_OD",
+ [OP_WRITE + OP_DIRECT] = "write_OD",
+ [OP_FALLOCATE] = "fallocate",
};
/* W. */
- if (!(!quiet && ((progressinterval &&
- testcalls % progressinterval == 0) ||
- (debug &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend)))))))
+ if (!(!quiet &&
+ ((progressinterval && testcalls % progressinterval == 0) ||
+ (debug && (monitorstart == -1 ||
+ (offset + size > monitorstart &&
+ (monitorend == -1 || offset <= monitorend)))))))
return;
- prt("%06lu%s %lu.%06lu %-10s %#08x %s %#08x\t(0x%x bytes)\n",
- testcalls, fill_tf_buf(tf), tv->tv_sec, tv->tv_usec,
- ops[op],
- offset, op == OP_TRUNCATE ? " to " : "thru",
- offset + size - 1, size);
+ prt("%06lu%s %lu.%06u %-10s %#08x %s %#08x\t(0x05%x bytes)\n",
+ testcalls, fill_tf_buf(tf), tv.tv_sec, (int)tv.tv_usec,
+ ops[op], offset, op == OP_TRUNCATE ? " to " : "thru",
+ offset + size - 1, (int)size < 0 ? -(int)size : size);
}
-void
-doread(unsigned offset, unsigned size)
+void output_debug(unsigned int offset, unsigned int size, const char *what)
{
struct timeval t;
+
+ if (!quiet && (debug > 1 && (monitorstart == -1 ||
+ (offset + size >= monitorstart &&
+ (monitorend == -1 || offset <= monitorend))))) {
+ gettimeofday(&t, NULL);
+ prt(" %lu.%06u %s\n", t.tv_sec, (int)t.tv_usec, what);
+ }
+}
+
+void
+doflush(unsigned int offset, unsigned int size)
+{
+ unsigned int pg_offset;
+ unsigned int map_size;
+ char *p;
+ struct test_file *tf = get_tf();
+ int fd = tf->fd;
+
+ if (tf->o_direct)
+ return;
+
+ pg_offset = offset & page_mask;
+ map_size = pg_offset + size;
+
+ p = (char *)mmap(0, map_size, PROT_READ | PROT_WRITE,
+ MAP_FILE | MAP_SHARED, fd,
+ (off_t)(offset - pg_offset));
+ if (p == (char *)-1) {
+ prterr("mmap");
+ report_failure(202);
+ }
+ if (msync(p, map_size, MS_INVALIDATE) != 0) {
+ prterr("msync");
+ report_failure(203);
+ }
+ if (munmap(p, map_size) != 0) {
+ prterr("munmap");
+ report_failure(204);
+ }
+ output_debug(offset, size, "flush done");
+}
+
+void
+doread(unsigned int offset, unsigned int size)
+{
off_t ret;
- unsigned iret;
+ unsigned int iret;
struct test_file *tf = get_tf();
int fd = tf->fd;
offset -= offset % readbdy;
- if (o_direct)
+ if (tf->o_direct)
size -= size % readbdy;
- gettimeofday(&t, NULL);
+
if (size == 0) {
- if (!quiet && testcalls > simulatedopcount && !o_direct)
+ if (!quiet && testcalls > simulatedopcount && !tf->o_direct)
prt("skipping zero size read\n");
- log4(OP_SKIPPED, OP_READ, offset, size, &t, tf);
+ log4(OP_SKIPPED, OP_READ, offset, size);
return;
}
if (size + offset > file_size) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping seek/read past end of file\n");
- log4(OP_SKIPPED, OP_READ, offset, size, &t, tf);
+ log4(OP_SKIPPED, OP_READ, offset, size);
return;
}
- log4(OP_READ, offset, size, 0, &t, tf);
+ log4(OP_READ + tf->o_direct, offset, size, 0);
if (testcalls <= simulatedopcount)
return;
- output_line(tf, OP_READ, offset, size, &t);
+ output_line(tf, OP_READ + tf->o_direct, offset, size);
ret = lseek(fd, (off_t)offset, SEEK_SET);
if (ret == (off_t)-1) {
- prterr("doread: lseek");
+ prterr("lseek");
report_failure(140);
}
iret = read(fd, temp_buf, size);
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu read done\n", t.tv_sec, t.tv_usec);
- }
+ output_debug(offset, size, "read done");
if (iret != size) {
if (iret == -1)
- prterr("doread: read");
+ prterr("read");
else
prt("short read: 0x%x bytes instead of 0x%x\n",
iret, size);
check_buffers(offset, size);
}
+void
+check_eofpage(char *s, unsigned int offset, char *p, int size)
+{
+ long last_page, should_be_zero;
+
+ if (offset + size <= (file_size & ~page_mask))
+ return;
+ /*
+ * we landed in the last page of the file
+ * test to make sure the VM system provided 0's
+ * beyond the true end of the file mapping
+ * (as required by mmap def in 1996 posix 1003.1)
+ */
+ last_page = ((long)p + (offset & page_mask) + size) & ~page_mask;
+
+ for (should_be_zero = last_page + (file_size & page_mask);
+ should_be_zero < last_page + page_size;
+ should_be_zero++)
+ if (*(char *)should_be_zero) {
+ prt("Mapped %s: non-zero data past EOF (0x%llx) page offset 0x%lx is 0x%04x\n",
+ s, (long long)file_size - 1,
+ should_be_zero & page_mask,
+ short_at(should_be_zero));
+ report_failure(205);
+ }
+}
void
-domapread(unsigned offset, unsigned size)
+domapread(unsigned int offset, unsigned int size)
{
- struct timeval t;
- unsigned pg_offset;
- unsigned map_size;
- char *p;
- struct test_file *tf = get_tf();
- int fd = tf->fd;
+ unsigned int pg_offset;
+ unsigned int map_size;
+ char *p;
+ int fd;
offset -= offset % readbdy;
- gettimeofday(&t, NULL);
+ tf = get_tf();
+ fd = tf->fd;
if (size == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero size read\n");
- log4(OP_SKIPPED, OP_MAPREAD, offset, size, &t, tf);
+ log4(OP_SKIPPED, OP_MAPREAD, offset, size);
return;
}
if (size + offset > file_size) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping seek/read past end of file\n");
- log4(OP_SKIPPED, OP_MAPREAD, offset, size, &t, tf);
+ log4(OP_SKIPPED, OP_MAPREAD, offset, size);
return;
}
- log4(OP_MAPREAD, offset, size, 0, &t, tf);
+ log4(OP_MAPREAD, offset, size, 0);
if (testcalls <= simulatedopcount)
return;
- output_line(tf, OP_MAPREAD, offset, size, &t);
+ output_line(tf, OP_MAPREAD, offset, size);
pg_offset = offset & page_mask;
map_size = pg_offset + size;
- if ((p = mmap(0, map_size, PROT_READ, MAP_FILE | MAP_SHARED, fd,
- (off_t)(offset - pg_offset))) == MAP_FAILED) {
- prterr("domapread: mmap");
+ p = mmap(0, map_size, PROT_READ, MAP_FILE | MAP_SHARED, fd,
+ (off_t)(offset - pg_offset));
+ if (p == MAP_FAILED) {
+ prterr("mmap");
report_failure(190);
}
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu mmap done\n", t.tv_sec, t.tv_usec);
- }
- memcpy(temp_buf, p + pg_offset, size);
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu memcpy done\n", t.tv_sec, t.tv_usec);
+ output_debug(offset, size, "mmap done");
+ if (setjmp(jmpbuf) == 0) {
+ jmpbuf_good = 1;
+ memcpy(temp_buf, p + pg_offset, size);
+ check_eofpage("Read", offset, p, size);
+ jmpbuf_good = 0;
+ } else {
+ report_failure(1901);
}
+ output_debug(offset, size, "memcpy done");
if (munmap(p, map_size) != 0) {
- prterr("domapread: munmap");
+ prterr("munmap");
report_failure(191);
}
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu munmap done\n", t.tv_sec, t.tv_usec);
- }
+ output_debug(offset, size, "munmap done");
check_buffers(offset, size);
}
-
void
-gendata(char *original_buf, char *good_buf, unsigned offset, unsigned size)
+gendata(char *original_buf, char *good_buf, unsigned int offset,
+ unsigned int size)
{
while (size--) {
good_buf[offset] = testcalls % 256;
}
}
-
void
-dowrite(unsigned offset, unsigned size)
+dowrite(unsigned int offset, unsigned int size)
{
- struct timeval t;
off_t ret;
- unsigned iret;
- struct test_file *tf = get_tf();
- int fd = tf->fd;
+ unsigned int iret;
+ int fd;
+ tf = get_tf();
+ fd = tf->fd;
offset -= offset % writebdy;
- if (o_direct)
+ if (tf->o_direct)
size -= size % writebdy;
- gettimeofday(&t, NULL);
if (size == 0) {
- if (!quiet && testcalls > simulatedopcount && !o_direct)
+ if (!quiet && testcalls > simulatedopcount && !tf->o_direct)
prt("skipping zero size write\n");
- log4(OP_SKIPPED, OP_WRITE, offset, size, &t, tf);
+ log4(OP_SKIPPED, OP_WRITE, offset, size);
return;
}
- log4(OP_WRITE, offset, size, file_size, &t, tf);
+ log4(OP_WRITE + tf->o_direct, offset, size, file_size);
gendata(original_buf, good_buf, offset, size);
if (file_size < offset + size) {
if (testcalls <= simulatedopcount)
return;
- output_line(tf, OP_WRITE, offset, size, &t);
+ output_line(tf, OP_WRITE + tf->o_direct, offset, size);
ret = lseek(fd, (off_t)offset, SEEK_SET);
if (ret == (off_t)-1) {
- prterr("dowrite: lseek");
+ prterr("lseek");
report_failure(150);
}
iret = write(fd, good_buf + offset, size);
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu write done\n", t.tv_sec, t.tv_usec);
- }
+ output_debug(offset, size, "write done");
if (iret != size) {
if (iret == -1)
- prterr("dowrite: write");
+ prterr("write");
else
prt("short write: 0x%x bytes instead of 0x%x\n",
iret, size);
report_failure(151);
}
+ if (do_fsync) {
+ if (fsync(fd)) {
+ prt("fsync() failed: %s\n", strerror(errno));
+ report_failure(152);
+ }
+ output_debug(offset, size, "fsync done");
+ }
+ if (flush) {
+ doflush(offset, size);
+ output_debug(offset, size, "flush done");
+ }
}
-
void
-domapwrite(unsigned offset, unsigned size)
+domapwrite(unsigned int offset, unsigned int size)
{
- struct timeval t;
- unsigned pg_offset;
- unsigned map_size;
- off_t cur_filesize;
- char *p;
- struct test_file *tf = get_tf();
- int fd = tf->fd;
+ unsigned int pg_offset;
+ unsigned int map_size;
+ off_t cur_filesize;
+ char *p;
+ int fd;
+ tf = get_tf();
+ fd = tf->fd;
offset -= offset % writebdy;
- gettimeofday(&t, NULL);
if (size == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero size write\n");
- log4(OP_SKIPPED, OP_MAPWRITE, offset, size, &t, tf);
+ log4(OP_SKIPPED, OP_MAPWRITE, offset, size);
return;
}
cur_filesize = file_size;
- log4(OP_MAPWRITE, offset, size, 0, &t, tf);
+ log4(OP_MAPWRITE, offset, size, 0);
gendata(original_buf, good_buf, offset, size);
if (file_size < offset + size) {
if (testcalls <= simulatedopcount)
return;
- output_line(tf, OP_MAPWRITE, offset, size, &t);
+ output_line(tf, OP_MAPWRITE, offset, size);
if (file_size > cur_filesize) {
- if (ftruncate(fd, file_size) == -1) {
- prterr("domapwrite: ftruncate");
+ if (ftruncate(fd, file_size) == -1) {
+ prterr("ftruncate");
exit(201);
}
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu truncate done\n", t.tv_sec, t.tv_usec);
- }
+ output_debug(offset, size, "truncate done");
}
pg_offset = offset & page_mask;
map_size = pg_offset + size;
- if ((p = mmap(0, map_size, PROT_READ | PROT_WRITE, MAP_FILE|MAP_SHARED,
- fd, (off_t)(offset - pg_offset))) == MAP_FAILED) {
- prterr("domapwrite: mmap");
+ p = mmap(0, map_size, PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED,
+ fd, (off_t)(offset - pg_offset));
+ if (p == MAP_FAILED) {
+ prterr("mmap");
report_failure(202);
}
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu mmap done\n", t.tv_sec, t.tv_usec);
- }
- memcpy(p + pg_offset, good_buf + offset, size);
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu memcpy done\n", t.tv_sec, t.tv_usec);
- }
- if (msync(p, map_size, 0) != 0) {
- prterr("domapwrite: msync");
- report_failure(203);
- }
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu msync done\n", t.tv_sec, t.tv_usec);
+ output_debug(offset, map_size, "mmap done");
+ if (setjmp(jmpbuf) == 0) {
+ jmpbuf_good = 1;
+ memcpy(p + pg_offset, good_buf + offset, size);
+ if (msync(p, map_size, MS_SYNC) != 0) {
+ prterr("msync");
+ report_failure(203);
+ }
+ check_eofpage("Write", offset, p, size);
+ jmpbuf_good = 0;
+ } else {
+ report_failure(2021);
}
+ output_debug(offset, map_size, "msync done");
if (munmap(p, map_size) != 0) {
- prterr("domapwrite: munmap");
+ prterr("munmap");
report_failure(204);
}
- if (!quiet && (debug > 1 &&
- (monitorstart == -1 ||
- (offset + size > monitorstart &&
- (monitorend == -1 || offset <= monitorend))))) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu munmap done\n", t.tv_sec, t.tv_usec);
- }
+ output_debug(offset, map_size, "munmap done");
}
-
void
-dotruncate(unsigned size)
+dotruncate(unsigned int size)
{
- struct timeval t;
int oldsize = file_size;
- struct test_file *tf = get_tf();
- int fd = tf->fd;
+ int fd;
+ tf = get_tf();
+ fd = tf->fd;
size -= size % truncbdy;
- gettimeofday(&t, NULL);
if (size > biggest) {
biggest = size;
if (!quiet && testcalls > simulatedopcount)
prt("truncating to largest ever: 0x%x\n", size);
}
- log4(OP_TRUNCATE, size, (unsigned)file_size, 0, &t, tf);
+ log4(OP_TRUNCATE, size, (unsigned int)file_size, 0);
if (size > file_size)
memset(good_buf + file_size, '\0', size - file_size);
if (testcalls <= simulatedopcount)
return;
- output_line(tf, OP_TRUNCATE, oldsize, size, &t);
+ output_line(tf, OP_TRUNCATE, oldsize, size - oldsize);
if (ftruncate(fd, (off_t)size) == -1) {
- prt("ftruncate1: %x\n", size);
- prterr("dotruncate: ftruncate");
+ prt("ftruncate: 0x%x\n", size);
+ prterr("ftruncate");
report_failure(160);
}
- if (!quiet && debug > 1) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu trunc done\n", t.tv_sec, t.tv_usec);
+ output_debug(size, 0, "truncate done");
+}
+
+void
+do_punch_hole(unsigned int offset, unsigned int length)
+{
+ int max_offset = 0;
+ int max_len = 0;
+ int mode = FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE;
+ int fd;
+
+ tf = get_tf();
+ fd = tf->fd;
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount) {
+ prt("skipping zero length punch hole\n");
+ log4(OP_SKIPPED, OP_PUNCH_HOLE, offset, length);
+ }
+ return;
}
+
+ if (file_size <= (loff_t)offset) {
+ if (!quiet && testcalls > simulatedopcount) {
+ prt("skipping hole punch off the end of the file\n");
+ log4(OP_SKIPPED, OP_PUNCH_HOLE, offset, length);
+ }
+ return;
+ }
+
+ log4(OP_PUNCH_HOLE, offset, length, 0);
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ output_line(tf, OP_PUNCH_HOLE, offset, length);
+ if (fallocate(fd, mode, (loff_t)offset, (loff_t)length) == -1) {
+ prt("punch hole: %x to %x\n", offset, length);
+ prterr("fallocate");
+ report_failure(161);
+ }
+ output_debug(offset, length, "zero_range done");
+
+ max_offset = offset < file_size ? offset : file_size;
+ max_len = max_offset + length <= file_size ? length :
+ file_size - max_offset;
+ memset(good_buf + max_offset, '\0', max_len);
}
+void
+do_zero_range(unsigned int offset, unsigned int length)
+{
+ unsigned int end_offset;
+ int mode = FALLOC_FL_ZERO_RANGE;
+ int keep_size;
+ int fd;
+
+ tf = get_tf();
+ fd = tf->fd;
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount) {
+ prt("skipping zero length zero range\n");
+ log4(OP_SKIPPED, OP_ZERO_RANGE, offset, length);
+ }
+ return;
+ }
+
+ keep_size = random() % 2;
+
+ end_offset = keep_size ? 0 : offset + length;
+
+ if (end_offset > biggest) {
+ biggest = end_offset;
+ if (!quiet && testcalls > simulatedopcount)
+ prt("zero_range to largest ever: 0x%x\n", end_offset);
+ }
+
+ /*
+ * last arg matches fallocate string array index in logdump:
+ * 0: allocate past EOF
+ * 1: extending prealloc
+ * 2: interior prealloc
+ */
+ log4(OP_ZERO_RANGE, offset, length,
+ (end_offset > file_size) ? (keep_size ? 0 : 1) : 2);
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ output_line(tf, OP_TRUNCATE, offset, length);
+
+ if (fallocate(fd, mode, (loff_t)offset, (loff_t)length) == -1) {
+ prt("pzero range: %x to %x\n", offset, length);
+ prterr("fallocate");
+ report_failure(161);
+ }
+ output_debug(offset, length, "zero_range done");
+
+ memset(good_buf + offset, '\0', length);
+}
+
+/*
+ * fallocate is basically a no-op unless extending,
+ * then a lot like a truncate
+ */
+void
+do_preallocate(unsigned int offset, unsigned int length)
+{
+ off_t end_offset;
+ off_t new_offset;
+ int keep_size;
+ int fd;
+ struct stat statbufs;
+
+ tf = get_tf();
+ fd = tf->fd;
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping zero length fallocate\n");
+ log4(OP_SKIPPED, OP_FALLOCATE, offset, length);
+ return;
+ }
+
+ keep_size = fl_keep_size && (random() % 2);
+
+ end_offset = keep_size ? 0 : offset + length;
+
+ if (end_offset > biggest) {
+ biggest = end_offset;
+ if (!quiet && testcalls > simulatedopcount)
+ prt("fallocating to largest ever: 0x%jx\n", end_offset);
+ }
+
+ /*
+ * last arg matches fallocate string array index in logdump:
+ * 0: allocate past EOF
+ * 1: extending prealloc
+ * 2: interior prealloc
+ */
+ log4(OP_FALLOCATE, offset, length, (end_offset > file_size) ?
+ (keep_size ? 0 : 1) : 2);
+
+ if (end_offset > file_size) {
+ memset(good_buf + file_size, '\0', end_offset - file_size);
+ file_size = end_offset;
+ } else {
+ new_offset = file_size - (offset + length);
+ length = length + new_offset;
+ }
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ fstat(fd, &statbufs);
+ if (fallocate(fd, keep_size ? FALLOC_FL_KEEP_SIZE : 0, (loff_t)offset,
+ (loff_t)length) == -1) {
+ prt("fallocate: %x to %x\n", offset, length);
+ prterr("fallocate");
+ report_failure(161);
+ }
+ output_line(tf, OP_FALLOCATE, offset, length);
+ output_debug(offset, length, "fallocate done");
+}
void
writefileimage()
int fd = get_fd();
if (lseek(fd, (off_t)0, SEEK_SET) == (off_t)-1) {
- prterr("writefileimage: lseek");
+ prterr("lseek");
report_failure(171);
}
iret = write(fd, good_buf, file_size);
if ((off_t)iret != file_size) {
if (iret == -1)
- prterr("writefileimage: write");
+ prterr("write");
else
prt("short write: 0x%lx bytes instead of 0x%llx\n",
- (unsigned long)iret,
- (unsigned long long)file_size);
+ (unsigned long)iret, (unsigned long long)file_size);
report_failure(172);
}
if (lite ? 0 : ftruncate(fd, file_size) == -1) {
- prt("ftruncate2: %llx\n", (unsigned long long)file_size);
- prterr("writefileimage: ftruncate");
+ prt("ftruncate2: %llx\n", (unsigned long long)file_size);
+ prterr("ftruncate");
report_failure(173);
}
}
-
void
docloseopen(void)
{
- struct timeval t;
- struct test_file *tf = get_tf();
+ int direct = 0;
+ const char *tf_num = "";
if (testcalls <= simulatedopcount)
return;
- gettimeofday(&t, NULL);
- log4(OP_CLOSEOPEN, file_size, (unsigned)file_size, 0, &t, tf);
+ tf = get_tf();
+#ifdef O_DIRECT
+ direct = (random() % (o_direct + 1)) ? OP_DIRECT : 0;
+#endif
+ log4(OP_CLOSEOPEN + direct, file_size, (unsigned int)file_size, 0);
+
+ if (fd_policy != FD_SINGLE)
+ tf_num = fill_tf_buf(tf);
if (debug)
- prt("%06lu %lu.%06lu close/open\n", testcalls, t.tv_sec,
- t.tv_usec);
- if (close(tf->fd)) {
- prterr("docloseopen: close");
+ prt("%06lu %lu.%06u %sclose/open%s\n", testcalls, tv.tv_sec,
+ (int)tv.tv_usec, tf_num, direct ? "(O_DIRECT)" : "");
+ if (close(tf->fd))
report_failure(180);
- }
- if (!quiet && debug > 1) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu close done\n", t.tv_sec, t.tv_usec);
- }
- tf->fd = open(tf->path, O_RDWR|o_direct, 0);
+
+ output_debug(monitorstart, 0, "close done");
+ tf->o_direct = direct;
+ tf->fd = open(tf->path, O_RDWR | tf->o_direct, 0);
if (tf->fd < 0) {
- prterr("docloseopen: open");
+ prterr(tf->o_direct ? "open(O_DIRECT)" : "open");
report_failure(181);
}
- if (!quiet && debug > 1) {
- gettimeofday(&t, NULL);
- prt(" %lu.%06lu open done\n", t.tv_sec, t.tv_usec);
- }
+ output_debug(monitorstart, 0,
+ tf->o_direct ? "open(O_DIRECT) done" : "open done");
}
+#define TRIM_OFF_LEN(off, len, size) \
+do { \
+ if (size) \
+ (off) %= (size); \
+ else \
+ (off) = 0; \
+ if ((off) + (len) > (size)) \
+ (len) = (size) - (off); \
+} while (0)
void
test(void)
{
- unsigned long offset;
- unsigned long size = maxoplen;
- unsigned long rv = random();
- unsigned long op = rv % (3 + !lite + mapped_writes);
-
- /* turn off the map read if necessary */
-
- if (op == 2 && !mapped_reads)
- op = 0;
+ unsigned long offset;
+ unsigned long size = maxoplen;
+ unsigned long rv = random();
+ unsigned long op;
+ int closeopen = 0;
if (simulatedopcount > 0 && testcalls == simulatedopcount)
writefileimage();
testcalls++;
+ if (closeprob)
+ closeopen = (rv >> 3) < (1 << 28) / closeprob;
+
if (debugstart > 0 && testcalls >= debugstart)
debug = 1;
if (!quiet && testcalls < simulatedopcount && testcalls % 100000 == 0)
prt("%lu...\n", testcalls);
- /*
- * READ: op = 0
- * WRITE: op = 1
- * MAPREAD: op = 2
- * TRUNCATE: op = 3
- * MAPWRITE: op = 3 or 4
- */
- if (lite ? 0 : op == 3 && (style & 1) == 0) /* vanilla truncate? */
- dotruncate(random() % maxfilelen);
- else {
- if (randomoplen)
- size = random() % (maxoplen+1);
- if (lite ? 0 : op == 3)
- dotruncate(size);
- else {
- offset = random();
- if (op == 1 || op == (lite ? 3 : 4)) {
- offset %= maxfilelen;
- if (offset + size > maxfilelen)
- size = maxfilelen - offset;
- if (op != 1)
- domapwrite(offset, size);
- else
- dowrite(offset, size);
- } else {
- if (file_size)
- offset %= file_size;
- else
- offset = 0;
- if (offset + size > file_size)
- size = file_size - offset;
- if (op != 0)
- domapread(offset, size);
- else
- doread(offset, size);
- }
+ offset = random();
+ if (randomoplen)
+ size = random() % (maxoplen + 1);
+
+ /* calculate appropriate op to run */
+ if (lite)
+ op = rv % OP_MAX_LITE;
+ else
+ op = rv % OP_MAX_FULL;
+
+ switch (op) {
+ case OP_MAPREAD:
+ if (!mapped_reads)
+ op = OP_READ;
+ break;
+ case OP_MAPWRITE:
+ if (!mapped_writes)
+ op = OP_WRITE;
+ break;
+ case OP_FALLOCATE:
+ if (!fallocate_calls) {
+ log4(OP_SKIPPED, OP_FALLOCATE, offset, size);
+ goto out;
+ }
+ break;
+ case OP_PUNCH_HOLE:
+ if (!punch_hole_calls) {
+ log4(OP_SKIPPED, OP_PUNCH_HOLE, offset, size);
+ goto out;
}
+ break;
+ case OP_ZERO_RANGE:
+ if (!zero_range_calls) {
+ log4(OP_SKIPPED, OP_ZERO_RANGE, offset, size);
+ goto out;
+ }
+ break;
}
+
+ switch (op) {
+ case OP_READ:
+ TRIM_OFF_LEN(offset, size, file_size);
+ doread(offset, size);
+ break;
+ case OP_WRITE:
+ TRIM_OFF_LEN(offset, size, maxfilelen);
+ dowrite(offset, size);
+ break;
+ case OP_MAPREAD:
+ TRIM_OFF_LEN(offset, size, file_size);
+ domapread(offset, size);
+ break;
+ case OP_MAPWRITE:
+ TRIM_OFF_LEN(offset, size, maxfilelen);
+ domapwrite(offset, size);
+ break;
+ case OP_TRUNCATE:
+ if (!style)
+ size = random() % maxfilelen;
+ dotruncate(size);
+ break;
+ case OP_FALLOCATE:
+ TRIM_OFF_LEN(offset, size, maxfilelen);
+ do_preallocate(offset, size);
+ break;
+ case OP_PUNCH_HOLE:
+ TRIM_OFF_LEN(offset, size, file_size);
+ do_punch_hole(offset, size);
+ break;
+ case OP_ZERO_RANGE:
+ TRIM_OFF_LEN(offset, size, file_size);
+ do_zero_range(offset, size);
+ break;
+ case OP_CLOSEOPEN:
+ if (closeopen)
+ docloseopen();
+ break;
+ default:
+ prterr("unknown operation %d: Operation not supported");
+ report_failure(42);
+ break;
+ }
+
+out:
if (sizechecks && testcalls > simulatedopcount)
check_size();
- if (closeprob && (rv >> 3) < (1 << 28) / closeprob)
- docloseopen();
}
+void
+segv(int sig)
+{
+ if (jmpbuf_good) {
+ jmpbuf_good = 0;
+ longjmp(jmpbuf, 1);
+ }
+ report_failure(9999);
+}
void
cleanup(sig)
exit(sig);
}
-
void
usage(void)
{
- fprintf(stdout, "usage: %s",
- "fsx [-dnqLOW] [-b opnum] [-c Prob] [-l flen] [-m "
-"start:end] [-o oplen] [-p progressinterval] [-r readbdy] [-s style] [-t "
-"truncbdy] [-w writebdy] [-D startingop] [-N numops] [-P dirpath] [-S seed] "
-"[ -I random|rotate ] fname [additional paths to fname..]\n"
+ fprintf(stdout,
+ "usage: fsx [-dfnqFLOW] [-b opnum] [-c Prob] [-l flen] [-m start:end] [-o oplen] [-p progressinterval] [-r readbdy] [-s style] [-t truncbdy] [-w writebdy] [-D startingop] [ -I random|rotate ] [-N numops] [-P dirpath] [-S seed] [-Z [prob]] fname [additional paths to fname..]\n"
" -b opnum: beginning operation number (default 1)\n"
" -c P: 1 in P chance of file close+open at each op (default infinity)\n"
" -d: debug output for all operations [-d -d = more debugging]\n"
+" -f flush and invalidate cache after I/O\n"
+/* OSX: -d duration: number of hours for the tool to run\n\ */
+/* OSX: -e: tests using an extended attribute rather than a file\n\ */
+/* OSX: -f forkname: test the named fork of fname\n\ */
+/* OSX: -g logpath: path for .fsxlog file\n\ */
+/* OSX: -h: write 0s instead of creating holes (i.e. sparse file)\n\ */
+/* OSX: -i: interactive mode, hit return before performing each operation\n\ */
" -l flen: the upper bound on file size (default 262144)\n"
-" -m startop:endop: monitor (print debug output) specified byte rang"
-"(default 0:infinity)\n"
+" -m startop:endop: monitor (print debug output) specified byte range\n"
+" (default 0:infinity)\n"
" -n: no verifications of file size\n"
" -o oplen: the upper bound on operation size (default 65536)\n"
" -p progressinterval: debug output at specified operation interval\n"
" -q: quieter operation\n"
-" -r readbdy: 4096 would make reads page aligned (default 1)\n"
+" -r readbdy: %1$u would make reads page aligned (default 1)\n"
" -s style: 1 gives smaller truncates (default 0)\n"
-" -t truncbdy: 4096 would make truncates page aligned (default 1)\n"
-" -w writebdy: 4096 would make writes page aligned (default 1)\n"
+" -t truncbdy: %1$u would make truncates page aligned (default 1)\n"
+" -w writebdy: %1$u would make writes page aligned (default 1)\n"
+/* XFS: -x: preallocate file space before starting, XFS only (default 0)\n\ */
+" -y synchronize changes to a file\n"
+/* OSX: -v: debug output for all operations\n\ */
+/* XFS: -A: Use the AIO system calls\n" */
+/* OSX: -C mix cached and un-cached read/write ops\n\ */
" -D startingop: debug output starting at specified operation\n"
+" -F: Do not use fallocate (preallocation) calls\n"
+/* OSX: -G logsize: #entries in oplog (default 1024)\n\ */
+#ifdef FALLOC_FL_PUNCH_HOLE
+" -H: Do not use punch hole calls\n"
+#endif
+#ifdef FALLOC_FL_ZERO_RANGE
+" -z: Do not use zero range calls\n"
+#endif
+/* XFS: -C: Do not use collapse range calls\n\ */
+" -I [rotate|random]: When multiple paths to the file are given,\n"
+" each operation uses a different path. Iterate through them in\n"
+" order with 'rotate' or chose them at 'random'. (default random)\n"
" -L: fsxLite - no file creations & no file size changes\n"
+/* OSX: -I: start interactive mode since operation opnum\n\ */
+/* OSX: -M: slow motion mode, wait 1 second before each op\n\ */
" -N numops: total # operations to do (default infinity)\n"
" -O: use oplen (see -o flag) for every op (default random)\n"
" -P: save .fsxlog and .fsxgood files in dirpath (default ./)\n"
+" -R: read() system calls only (mapped reads disabled)\n"
" -S seed: for random # generator (default 1) 0 gets timestamp\n"
+/* OSX: -T datasize: atomic data element write size [1,2,4] (default 4)\n\ */
" -W: mapped write operations DISabled\n"
-" -R: read() system calls only (mapped reads disabled)\n"
-" -Z: O_DIRECT (use -R, -W, -r and -w too)\n"
-" -I: When multiple paths to the file are given each operation uses\n"
-" a different path. Iterate through them in order with 'rotate'\n"
-" or chose then at 'random'. (defaults to random)\n"
-" fname: this filename is REQUIRED (no default)\n");
+#ifdef O_DIRECT
+" -Z[P]: O_DIRECT file IO [1 in P chance for each open] (default off)\n"
+#endif
+" fname: this filename is REQUIRED (no default)\n",
+ page_size);
exit(90);
}
-
int
getnum(char *s, char **e)
{
int ret = -1;
- *e = (char *) 0;
+ *e = (char *)0;
ret = strtol(s, e, 0);
if (*e)
switch (**e) {
break;
case 'm':
case 'M':
- ret *= 1024*1024;
+ ret *= 1024 * 1024;
*e = *e + 1;
break;
case 'w':
}
int
+test_fallocate(int mode)
+{
+ int ret = 0;
+ int fd = get_fd();
+
+ if (!lite) {
+ if (fallocate(fd, mode, 0, 1) && errno == EOPNOTSUPP) {
+ if (!quiet)
+ warn("%s: filesystem does not support fallocate mode 0x%x, disabling!",
+ __func__, mode);
+ }
+
+ if (ret == 0 && ftruncate(fd, 0) == -1) {
+ ret = 1;
+ warn("ftruncate to 0 size failed");
+ }
+ }
+ return ret;
+}
+
+int
main(int argc, char **argv)
{
- int i, style, ch;
- char *endp;
- int dirpath = 0;
+ int i, style, ch;
+ char *endp;
+ int dirpath = 0;
goodfile[0] = 0;
logfile[0] = 0;
setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */
while ((ch = getopt(argc, argv,
- "b:c:dl:m:no:p:qr:s:t:w:D:I:LN:OP:RS:WZ"))
+ "b:c:dfl:m:no:p:qr:s:t:w:xyzD:FHI:LN:OP:RS:WZ::"))
!= EOF)
switch (ch) {
case 'b':
simulatedopcount = getnum(optarg, &endp);
if (!quiet)
- fprintf(stdout, "Will begin at operation"
- "%ld\n",
+ fprintf(stdout, "Will begin at operation %ld\n",
simulatedopcount);
if (simulatedopcount == 0)
usage();
case 'd':
debug++;
break;
+ case 'f':
+ flush = 1;
+ break;
case 'l':
maxfilelen = getnum(optarg, &endp);
if (maxfilelen <= 0)
break;
case 'p':
progressinterval = getnum(optarg, &endp);
- if (progressinterval < 0)
+ if (progressinterval <= 0)
usage();
break;
case 'q':
if (writebdy <= 0)
usage();
break;
+ case 'y':
+ do_fsync = 1;
+ break;
case 'D':
debugstart = getnum(optarg, &endp);
if (debugstart < 1)
usage();
break;
+ case 'F':
+ fallocate_calls = 0;
+ break;
+ case 'H':
+ punch_hole_calls = 0;
+ break;
+ case 'z':
+ zero_range_calls = 0;
+ break;
case 'I':
assign_fd_policy(optarg);
break;
case 'L':
- lite = 1;
+ lite = 1;
break;
case 'N':
numops = getnum(optarg, &endp);
break;
case 'P':
strncpy(goodfile, optarg, sizeof(goodfile) - 1);
- strcat(goodfile, "/");
+ strncat(goodfile, "/", PATH_MAX - strlen(goodfile) - 1);
strncpy(logfile, optarg, sizeof(logfile) - 1);
- strcat(logfile, "/");
+ strncat(logfile, "/", PATH_MAX - strlen(logfile) - 1);
dirpath = 1;
break;
- case 'R':
- mapped_reads = 0;
- break;
+ case 'R':
+ mapped_reads = 0;
+ break;
case 'S':
- seed = getnum(optarg, &endp);
+ seed = getnum(optarg, &endp);
if (seed == 0)
seed = time(0) % 10000;
if (!quiet)
usage();
break;
case 'W':
- mapped_writes = 0;
+ mapped_writes = 0;
if (!quiet)
fprintf(stdout, "mapped writes DISABLED\n");
break;
case 'Z':
- o_direct = O_DIRECT;
+#ifdef O_DIRECT
+ if (optarg)
+ o_direct = getnum(optarg, &endp);
+ if (!optarg || o_direct == 0)
+ o_direct = 1;
+#endif
break;
-
default:
usage();
/* NOTREACHED */
usage();
fname = argv[0];
- signal(SIGHUP, cleanup);
- signal(SIGINT, cleanup);
- signal(SIGPIPE, cleanup);
- signal(SIGALRM, cleanup);
- signal(SIGTERM, cleanup);
- signal(SIGXCPU, cleanup);
- signal(SIGXFSZ, cleanup);
- signal(SIGVTALRM, cleanup);
- signal(SIGUSR1, cleanup);
- signal(SIGUSR2, cleanup);
+ signal(SIGHUP, cleanup);
+ signal(SIGINT, cleanup);
+ signal(SIGPIPE, cleanup);
+ signal(SIGALRM, cleanup);
+ signal(SIGTERM, cleanup);
+ signal(SIGXCPU, cleanup);
+ signal(SIGXFSZ, cleanup);
+ signal(SIGVTALRM, cleanup);
+ signal(SIGUSR1, cleanup);
+ signal(SIGUSR2, cleanup);
+ signal(SIGBUS, segv);
+ signal(SIGSEGV, segv);
initstate(seed, state, 256);
setstate(state);
open_test_files(argv, argc);
strncat(goodfile, dirpath ? my_basename(fname) : fname, 256);
- strcat (goodfile, ".fsxgood");
- fsxgoodfd = open(goodfile, O_RDWR|O_CREAT|O_TRUNC, 0666);
+ strncat(goodfile, ".fsxgood", PATH_MAX - strlen(goodfile) - 1);
+ fsxgoodfd = open(goodfile, O_RDWR | O_CREAT | O_TRUNC, 0666);
if (fsxgoodfd < 0) {
prterr(goodfile);
exit(92);
}
strncat(logfile, dirpath ? my_basename(fname) : fname, 256);
- strcat (logfile, ".fsxlog");
+ strncat(logfile, ".fsxlog", PATH_MAX - strlen(logfile) - 1);
fsxlogf = fopen(logfile, "w");
- if (fsxlogf == NULL) {
+ if (!fsxlogf) {
prterr(logfile);
exit(93);
}
if (lite) {
off_t ret;
int fd = get_fd();
- file_size = maxfilelen = lseek(fd, (off_t)0, SEEK_END);
+
+ maxfilelen = lseek(fd, (off_t)0, SEEK_END);
+ file_size = maxfilelen;
if (file_size == (off_t)-1) {
prterr(fname);
- warn("main: lseek eof");
+ warn("%s: lseek eof", __func__);
exit(94);
}
ret = lseek(fd, (off_t)0, SEEK_SET);
if (ret == (off_t)-1) {
prterr(fname);
- warn("main: lseek 0");
+ warn("%s: lseek 0", __func__);
exit(95);
}
}
- original_buf = (char *) malloc(maxfilelen);
+ original_buf = (char *)malloc(maxfilelen);
+ if (!original_buf)
+ exit(96);
for (i = 0; i < maxfilelen; i++)
original_buf[i] = random() % 256;
if (o_direct) {
ret = posix_memalign((void **)&good_buf, writebdy, maxfilelen);
if (ret) {
- prt("main: posix_memalign failed: %s\n", strerror(ret));
+ prt("%s: posix_memalign failed: %s\n", __func__,
+ strerror(ret));
exit(96);
}
ret = posix_memalign((void **)&temp_buf, readbdy, maxoplen);
if (ret) {
- prt("main: posix_memalign failed: %s\n", strerror(ret));
+ prt("%s: posix_memalign failed: %s\n", __func__,
+ strerror(ret));
exit(97);
}
} else {
if (written != maxfilelen) {
if (written == -1) {
prterr(fname);
- warn("main: error on write");
- } else
- warn("main: short write, 0x%x bytes instead"
- "of 0x%x\n",
- (unsigned)written, maxfilelen);
+ warn("%s: error on write", __func__);
+ } else {
+ warn("%s: short write, 0x%x bytes instead of 0x%lx\n",
+ __func__, (unsigned int)written,
+ maxfilelen);
+ }
exit(98);
}
- } else
+ } else {
check_trunc_hack();
+ }
+
+ if (fallocate_calls)
+ fallocate_calls = test_fallocate(0);
+
+ if (punch_hole_calls)
+ punch_hole_calls = test_fallocate(FALLOC_FL_PUNCH_HOLE |
+ FALLOC_FL_KEEP_SIZE);
+
+ if (zero_range_calls)
+ zero_range_calls = test_fallocate(FALLOC_FL_ZERO_RANGE);
+
+ fl_keep_size = test_fallocate(FALLOC_FL_KEEP_SIZE);
while (numops == -1 || numops--)
test();
close_test_files();
prt("All operations completed A-OK!\n");
- exit(0);
+ free(original_buf);
+ free(good_buf);
+ free(temp_buf);
+
return 0;
}