#ifdef AIO
#include <libaio.h>
#endif
+#include <sys/syscall.h>
#ifndef MAP_FILE
# define MAP_FILE 0
struct log_entry {
int operation;
- int args[3];
+ int nr_args;
+ int args[4];
enum opflags flags;
};
* be careful in how we select the different operations. The active operations
* are mapped to numbers as follows:
*
- * lite !lite
- * READ: 0 0
- * WRITE: 1 1
- * MAPREAD: 2 2
- * MAPWRITE: 3 3
- * TRUNCATE: - 4
- * FALLOCATE: - 5
- * PUNCH HOLE: - 6
- * ZERO RANGE: - 7
+ * lite !lite integrity
+ * READ: 0 0 0
+ * WRITE: 1 1 1
+ * MAPREAD: 2 2 2
+ * MAPWRITE: 3 3 3
+ * TRUNCATE: - 4 4
+ * FALLOCATE: - 5 5
+ * PUNCH HOLE: - 6 6
+ * ZERO RANGE: - 7 7
+ * COLLAPSE RANGE: - 8 8
+ * FSYNC: - - 9
*
* When mapped read/writes are disabled, they are simply converted to normal
* reads and writes. When fallocate/fpunch calls are disabled, they are
* mode being run.
*/
-/* 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_COLLAPSE_RANGE 8
-#define OP_INSERT_RANGE 9
-#define OP_MAX_FULL 10
+enum {
+ /* common operations */
+ OP_READ = 0,
+ OP_WRITE,
+ OP_MAPREAD,
+ OP_MAPWRITE,
+ OP_MAX_LITE,
+
+ /* !lite operations */
+ OP_TRUNCATE = OP_MAX_LITE,
+ OP_FALLOCATE,
+ OP_PUNCH_HOLE,
+ OP_ZERO_RANGE,
+ OP_COLLAPSE_RANGE,
+ OP_INSERT_RANGE,
+ OP_CLONE_RANGE,
+ OP_DEDUPE_RANGE,
+ OP_COPY_RANGE,
+ OP_MAX_FULL,
+
+ /* integrity operations */
+ OP_FSYNC = OP_MAX_FULL,
+ OP_MAX_INTEGRITY,
+};
#undef PAGE_SIZE
#define PAGE_SIZE getpagesize()
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 *bname; /* basename of our test file */
+char *logdev; /* -i flag */
+char *logid; /* -j flag */
+char dname[1024]; /* -P flag */
+char goodfile[PATH_MAX];
+int dirpath = 0; /* -P flag */
int fd; /* fd for our test file */
blksize_t block_size = 0;
off_t file_size = 0;
off_t biggest = 0;
-char state[256];
unsigned long testcalls = 0; /* calls to function "test" */
unsigned long simulatedopcount = 0; /* -b flag */
int closeprob = 0; /* -c flag */
int debug = 0; /* -d flag */
unsigned long debugstart = 0; /* -D flag */
+char filldata = 0; /* -g flag */
int flush = 0; /* -f flag */
int do_fsync = 0; /* -y flag */
unsigned long maxfilelen = 256 * 1024; /* -l flag */
int zero_range_calls = 1; /* -z flag disables */
int collapse_range_calls = 1; /* -C flag disables */
int insert_range_calls = 1; /* -I flag disables */
-int mapped_reads = 1; /* -R flag disables it */
+int mapped_reads = 1; /* -R flag disables it */
+int check_file = 0; /* -X flag enables */
+int clone_range_calls = 1; /* -J flag disables */
+int dedupe_range_calls = 1; /* -B flag disables */
+int copy_range_calls = 1; /* -E flag disables */
+int integrity = 0; /* -i flag */
int fsxgoodfd = 0;
int o_direct; /* -Z */
int aio = 0;
+int mark_nr = 0;
int page_size;
int page_mask;
#endif
const char *replayops = NULL;
+const char *recordops = NULL;
FILE * fsxlogf = NULL;
FILE * replayopsf = NULL;
-char opsfile[1024];
+char opsfile[PATH_MAX];
int badoff = -1;
int closeopen = 0;
}
void
-vwarnc(int code, const char *fmt, va_list ap) {
- fprintf(stderr, "fsx: ");
- if (fmt != NULL) {
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, ": ");
- }
- fprintf(stderr, "%s\n", strerror(code));
+vwarnc(int code, const char *fmt, va_list ap)
+{
+ if (logid)
+ fprintf(stderr, "%s: ", logid);
+ fprintf(stderr, "fsx: ");
+ if (fmt != NULL) {
+ vfprintf(stderr, fmt, ap);
+ fprintf(stderr, ": ");
+ }
+ fprintf(stderr, "%s\n", strerror(code));
}
void
va_end(ap);
}
-#define BUF_SIZE 1024
-
void
prt(const char *fmt, ...)
{
va_list args;
- char buffer[BUF_SIZE];
+ if (logid)
+ fprintf(stdout, "%s: ", logid);
va_start(args, fmt);
- vsnprintf(buffer, BUF_SIZE, fmt, args);
+ vfprintf(stdout, fmt, args);
va_end(args);
- fprintf(stdout, buffer);
- if (fsxlogf)
- fprintf(fsxlogf, buffer);
+ if (fsxlogf) {
+ va_start(args, fmt);
+ vfprintf(fsxlogf, fmt, args);
+ va_end(args);
+ }
}
void
[OP_ZERO_RANGE] = "zero_range",
[OP_COLLAPSE_RANGE] = "collapse_range",
[OP_INSERT_RANGE] = "insert_range",
+ [OP_CLONE_RANGE] = "clone_range",
+ [OP_DEDUPE_RANGE] = "dedupe_range",
+ [OP_COPY_RANGE] = "copy_range",
+ [OP_FSYNC] = "fsync",
};
static const char *op_name(int operation)
return -1;
}
+void
+log5(int operation, int arg0, int arg1, int arg2, enum opflags flags)
+{
+ struct log_entry *le;
+
+ le = &oplog[logptr];
+ le->operation = operation;
+ if (closeopen)
+ flags |= FL_CLOSE_OPEN;
+ le->args[0] = arg0;
+ le->args[1] = arg1;
+ le->args[2] = arg2;
+ le->args[3] = file_size;
+ le->nr_args = 4;
+ le->flags = flags;
+ logptr++;
+ logcount++;
+ if (logptr >= LOGSIZE)
+ logptr = 0;
+}
+
void
log4(int operation, int arg0, int arg1, enum opflags flags)
{
le->args[0] = arg0;
le->args[1] = arg1;
le->args[2] = file_size;
+ le->nr_args = 3;
le->flags = flags;
logptr++;
logcount++;
logptr = 0;
}
-
void
logdump(void)
{
count = LOGSIZE;
}
for ( ; count > 0; count--) {
- bool overlap;
+ bool overlap, overlap2;
int opnum;
opnum = i+1 + (logcount/LOGSIZE)*LOGSIZE;
if (overlap)
prt("\t******IIII");
break;
+ case OP_CLONE_RANGE:
+ prt("CLONE 0x%x thru 0x%x\t(0x%x bytes) to 0x%x thru 0x%x",
+ lp->args[0], lp->args[0] + lp->args[1] - 1,
+ lp->args[1],
+ lp->args[2], lp->args[2] + lp->args[1] - 1);
+ overlap2 = badoff >= lp->args[2] &&
+ badoff < lp->args[2] + lp->args[1];
+ if (overlap && overlap2)
+ prt("\tJJJJ**JJJJ");
+ else if (overlap)
+ prt("\tJJJJ******");
+ else if (overlap2)
+ prt("\t******JJJJ");
+ break;
+ case OP_DEDUPE_RANGE:
+ prt("DEDUPE 0x%x thru 0x%x\t(0x%x bytes) to 0x%x thru 0x%x",
+ lp->args[0], lp->args[0] + lp->args[1] - 1,
+ lp->args[1],
+ lp->args[2], lp->args[2] + lp->args[1] - 1);
+ overlap2 = badoff >= lp->args[2] &&
+ badoff < lp->args[2] + lp->args[1];
+ if (overlap && overlap2)
+ prt("\tBBBB**BBBB");
+ else if (overlap)
+ prt("\tBBBB******");
+ else if (overlap2)
+ prt("\t******BBBB");
+ break;
+ case OP_COPY_RANGE:
+ prt("COPY 0x%x thru 0x%x\t(0x%x bytes) to 0x%x thru 0x%x",
+ lp->args[0], lp->args[0] + lp->args[1] - 1,
+ lp->args[1],
+ lp->args[2], lp->args[2] + lp->args[1] - 1);
+ overlap2 = badoff >= lp->args[2] &&
+ badoff < lp->args[2] + lp->args[1];
+ if (overlap && overlap2)
+ prt("\tEEEE**EEEE");
+ else if (overlap)
+ prt("\tEEEE******");
+ else if (overlap2)
+ prt("\t******EEEE");
+ break;
+ case OP_FSYNC:
+ prt("FSYNC");
+ break;
default:
prt("BOGUS LOG ENTRY (operation code = %d)!",
lp->operation);
i = 0;
if (logopsf) {
+ int j;
+
if (lp->flags & FL_SKIPPED)
fprintf(logopsf, "skip ");
- fprintf(logopsf, "%s 0x%x 0x%x 0x%x",
- op_name(lp->operation),
- lp->args[0], lp->args[1], lp->args[2]);
+ fprintf(logopsf, "%s", op_name(lp->operation));
+ for (j = 0; j < lp->nr_args; j++)
+ fprintf(logopsf, " 0x%x", lp->args[j]);
if (lp->flags & FL_KEEP_SIZE)
fprintf(logopsf, " keep_size");
if (lp->flags & FL_CLOSE_OPEN)
if (good_buf) {
save_buffer(good_buf, file_size, fsxgoodfd);
prt("Correct content saved for comparison\n");
- prt("(maybe hexdump \"%s\" vs \"%s.fsxgood\")\n",
- fname, fname);
+ prt("(maybe hexdump \"%s\" vs \"%s\")\n",
+ fname, goodfile);
}
close(fsxgoodfd);
}
*(((unsigned char *)(cp)) + 1)))
void
-check_buffers(unsigned offset, unsigned size)
+mark_log(void)
+{
+ char command[256];
+ int ret;
+
+ snprintf(command, 256, "dmsetup message %s 0 mark %s.mark%d", logdev,
+ bname, mark_nr);
+ ret = system(command);
+ if (ret) {
+ prterr("dmsetup mark failed");
+ exit(211);
+ }
+}
+
+void
+dump_fsync_buffer(void)
+{
+ char fname_buffer[PATH_MAX];
+ int good_fd;
+
+ if (!good_buf)
+ return;
+
+ snprintf(fname_buffer, sizeof(fname_buffer), "%s%s.mark%d", dname,
+ bname, mark_nr);
+ good_fd = open(fname_buffer, O_WRONLY|O_CREAT|O_TRUNC, 0666);
+ if (good_fd < 0) {
+ prterr(fname_buffer);
+ exit(212);
+ }
+
+ save_buffer(good_buf, file_size, good_fd);
+ close(good_fd);
+ prt("Dumped fsync buffer to %s\n", fname_buffer + dirpath);
+}
+
+void
+check_buffers(char *buf, unsigned offset, unsigned size)
{
unsigned char c, t;
unsigned i = 0;
unsigned op = 0;
unsigned bad = 0;
- if (memcmp(good_buf + offset, temp_buf, size) != 0) {
+ if (memcmp(good_buf + offset, buf, size) != 0) {
prt("READ BAD DATA: offset = 0x%x, size = 0x%x, fname = %s\n",
offset, size, fname);
prt("OFFSET\tGOOD\tBAD\tRANGE\n");
while (size > 0) {
c = good_buf[offset];
- t = temp_buf[i];
+ t = buf[i];
if (c != t) {
if (n < 16) {
- bad = short_at(&temp_buf[i]);
+ bad = short_at(&buf[i]);
prt("0x%05x\t0x%04x\t0x%04x", offset,
short_at(&good_buf[offset]), bad);
- op = temp_buf[offset & 1 ? i+1 : i];
+ op = buf[offset & 1 ? i+1 : i];
prt("\t0x%05x\n", n);
if (op)
prt("operation# (mod 256) for "
check_trunc_hack(void)
{
struct stat statbuf;
+ off_t offset = file_size + (off_t)100000;
- ftruncate(fd, (off_t)0);
- ftruncate(fd, (off_t)100000);
+ if (ftruncate(fd, file_size))
+ goto ftruncate_err;
+ if (ftruncate(fd, offset))
+ goto ftruncate_err;
fstat(fd, &statbuf);
- if (statbuf.st_size != (off_t)100000) {
+ if (statbuf.st_size != offset) {
prt("no extend on truncate! not posix!\n");
exit(130);
}
- ftruncate(fd, 0);
+ if (ftruncate(fd, file_size)) {
+ftruncate_err:
+ prterr("check_trunc_hack: ftruncate");
+ exit(131);
+ }
}
void
iret, size);
report_failure(141);
}
- check_buffers(offset, size);
+ check_buffers(temp_buf, offset, size);
}
-
void
check_eofpage(char *s, unsigned offset, char *p, int size)
{
}
}
+void
+check_contents(void)
+{
+ static char *check_buf;
+ unsigned offset = 0;
+ unsigned size = file_size;
+ unsigned map_offset;
+ unsigned map_size;
+ char *p;
+ off_t ret;
+ unsigned iret;
+
+ if (!check_buf) {
+ check_buf = (char *) malloc(maxfilelen + writebdy);
+ assert(check_buf != NULL);
+ check_buf = round_ptr_up(check_buf, writebdy, 0);
+ memset(check_buf, '\0', maxfilelen);
+ }
+
+ if (o_direct)
+ size -= size % readbdy;
+ if (size == 0)
+ return;
+
+ ret = lseek(fd, (off_t)offset, SEEK_SET);
+ if (ret == (off_t)-1) {
+ prterr("doread: lseek");
+ report_failure(140);
+ }
+
+ iret = fsxread(fd, check_buf, size, offset);
+ if (iret != size) {
+ if (iret == -1)
+ prterr("check_contents: read");
+ else
+ prt("short check read: 0x%x bytes instead of 0x%x\n",
+ iret, size);
+ report_failure(141);
+ }
+ check_buffers(check_buf, offset, size);
+
+ /* Map eof page, check it */
+ map_offset = size - (size & PAGE_MASK);
+ if (map_offset == size)
+ map_offset -= PAGE_SIZE;
+ map_size = size - map_offset;
+
+ p = mmap(0, map_size, PROT_READ, MAP_SHARED, fd, map_offset);
+ if (p == MAP_FAILED) {
+ prterr("check_contents: mmap");
+ report_failure(190);
+ }
+ check_eofpage("check_contents", map_offset, p, map_size);
+
+ if (munmap(p, map_size) != 0) {
+ prterr("check_contents: munmap");
+ report_failure(191);
+ }
+}
void
domapread(unsigned offset, unsigned size)
report_failure(191);
}
- check_buffers(offset, size);
+ check_buffers(temp_buf, offset, size);
}
gendata(char *original_buf, char *good_buf, unsigned offset, unsigned size)
{
while (size--) {
- good_buf[offset] = testcalls % 256;
- if (offset % 2)
- good_buf[offset] += original_buf[offset];
+ if (filldata) {
+ good_buf[offset] = filldata;
+ } else {
+ good_buf[offset] = testcalls % 256;
+ if (offset % 2)
+ good_buf[offset] += original_buf[offset];
+ }
offset++;
}
}
}
#endif
+#ifdef FICLONERANGE
+int
+test_clone_range(void)
+{
+ struct file_clone_range fcr = {
+ .src_fd = fd,
+ };
+
+ if (ioctl(fd, FICLONERANGE, &fcr) &&
+ (errno == EOPNOTSUPP || errno == ENOTTY)) {
+ if (!quiet)
+ fprintf(stderr,
+ "main: filesystem does not support "
+ "clone range, disabling!\n");
+ return 0;
+ }
+
+ return 1;
+}
+
+void
+do_clone_range(unsigned offset, unsigned length, unsigned dest)
+{
+ struct file_clone_range fcr = {
+ .src_fd = fd,
+ .src_offset = offset,
+ .src_length = length,
+ .dest_offset = dest,
+ };
+
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping zero length clone range\n");
+ log5(OP_CLONE_RANGE, offset, length, dest, FL_SKIPPED);
+ return;
+ }
+
+ if ((loff_t)offset >= file_size) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping clone range behind EOF\n");
+ log5(OP_CLONE_RANGE, offset, length, dest, FL_SKIPPED);
+ return;
+ }
+
+ if (dest + length > biggest) {
+ biggest = dest + length;
+ if (!quiet && testcalls > simulatedopcount)
+ prt("cloning to largest ever: 0x%x\n", dest + length);
+ }
+
+ log5(OP_CLONE_RANGE, offset, length, dest, FL_NONE);
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ if ((progressinterval && testcalls % progressinterval == 0) ||
+ (debug && (monitorstart == -1 || monitorend == -1 ||
+ dest <= monitorstart || dest + length <= monitorend))) {
+ prt("%lu clone\tfrom 0x%x to 0x%x, (0x%x bytes) at 0x%x\n",
+ testcalls, offset, offset+length, length, dest);
+ }
+
+ if (ioctl(fd, FICLONERANGE, &fcr) == -1) {
+ prt("clone range: 0x%x to 0x%x at 0x%x\n", offset,
+ offset + length, dest);
+ prterr("do_clone_range: FICLONERANGE");
+ report_failure(161);
+ }
+
+ memcpy(good_buf + dest, good_buf + offset, length);
+ if (dest > file_size)
+ memset(good_buf + file_size, '\0', dest - file_size);
+ if (dest + length > file_size)
+ file_size = dest + length;
+}
+
+#else
+int
+test_clone_range(void)
+{
+ return 0;
+}
+
+void
+do_clone_range(unsigned offset, unsigned length, unsigned dest)
+{
+ return;
+}
+#endif
+
+#ifdef FIDEDUPERANGE
+int
+test_dedupe_range(void)
+{
+ struct file_dedupe_range *fdr;
+ off_t new_len;
+ int error;
+ int ret = 1;
+
+ /* Alloc memory */
+ fdr = calloc(sizeof(struct file_dedupe_range_info) +
+ sizeof(struct file_dedupe_range), 1);
+ if (!fdr) {
+ prterr("do_dedupe_range: malloc");
+ report_failure(161);
+ }
+
+ /* Make sure we have at least two blocks */
+ new_len = block_size * 2;
+ if (file_size < new_len && ftruncate(fd, new_len)) {
+ warn("main: ftruncate");
+ exit(132);
+ }
+
+ /* Try to dedupe them */
+ fdr->src_length = block_size;
+ fdr->dest_count = 1;
+ fdr->info[0].dest_fd = fd;
+ fdr->info[0].dest_offset = block_size;
+
+ if (ioctl(fd, FIDEDUPERANGE, fdr))
+ error = errno;
+ else if (fdr->info[0].status < 0)
+ error = -fdr->info[0].status;
+ else
+ error = 0;
+
+ /* Older kernels may return EINVAL... */
+ if (error == EOPNOTSUPP || error == ENOTTY || error == EINVAL) {
+ if (!quiet)
+ fprintf(stderr,
+ "main: filesystem does not support "
+ "dedupe range, disabling!\n");
+ ret = 0;
+ }
+
+ /* Put the file back the way it was. */
+ if (file_size < new_len && ftruncate(fd, file_size)) {
+ warn("main: ftruncate");
+ exit(132);
+ }
+
+ free(fdr);
+ return ret;
+}
+
+void
+do_dedupe_range(unsigned offset, unsigned length, unsigned dest)
+{
+ struct file_dedupe_range *fdr;
+
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping zero length dedupe range\n");
+ log5(OP_DEDUPE_RANGE, offset, length, dest, FL_SKIPPED);
+ return;
+ }
+
+ if ((loff_t)offset >= file_size) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping dedupe range behind EOF\n");
+ log5(OP_DEDUPE_RANGE, offset, length, dest, FL_SKIPPED);
+ return;
+ }
+
+ log5(OP_DEDUPE_RANGE, offset, length, dest, FL_NONE);
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ if ((progressinterval && testcalls % progressinterval == 0) ||
+ (debug && (monitorstart == -1 || monitorend == -1 ||
+ dest <= monitorstart || dest + length <= monitorend))) {
+ prt("%lu dedupe\tfrom 0x%x to 0x%x, (0x%x bytes) at 0x%x\n",
+ testcalls, offset, offset+length, length, dest);
+ }
+
+ /* Alloc memory */
+ fdr = calloc(sizeof(struct file_dedupe_range_info) +
+ sizeof(struct file_dedupe_range), 1);
+ if (!fdr) {
+ prterr("do_dedupe_range: malloc");
+ report_failure(161);
+ }
+
+ /* Dedupe data blocks */
+ fdr->src_offset = offset;
+ fdr->src_length = length;
+ fdr->dest_count = 1;
+ fdr->info[0].dest_fd = fd;
+ fdr->info[0].dest_offset = dest;
+
+ if (ioctl(fd, FIDEDUPERANGE, fdr) == -1) {
+ prt("dedupe range: 0x%x to 0x%x at 0x%x\n", offset,
+ offset + length, dest);
+ prterr("do_dedupe_range(0): FIDEDUPERANGE");
+ report_failure(161);
+ } else if (fdr->info[0].status < 0) {
+ errno = -fdr->info[0].status;
+ prt("dedupe range: 0x%x to 0x%x at 0x%x\n", offset,
+ offset + length, dest);
+ prterr("do_dedupe_range(1): FIDEDUPERANGE");
+ report_failure(161);
+ }
+
+ free(fdr);
+}
+
+#else
+int
+test_dedupe_range(void)
+{
+ return 0;
+}
+
+void
+do_dedupe_range(unsigned offset, unsigned length, unsigned dest)
+{
+ return;
+}
+#endif
+
+#ifdef HAVE_COPY_FILE_RANGE
+int
+test_copy_range(void)
+{
+ loff_t o1 = 0, o2 = 1;
+
+ if (syscall(__NR_copy_file_range, fd, &o1, fd, &o2, 1, 0) == -1 &&
+ (errno == ENOSYS || errno == EOPNOTSUPP || errno == ENOTTY)) {
+ if (!quiet)
+ fprintf(stderr,
+ "main: filesystem does not support "
+ "copy range, disabling!\n");
+ return 0;
+ }
+
+ return 1;
+}
+
+void
+do_copy_range(unsigned offset, unsigned length, unsigned dest)
+{
+ loff_t o1, o2;
+ size_t olen;
+ ssize_t nr;
+ int tries = 0;
+
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping zero length copy range\n");
+ log5(OP_COPY_RANGE, offset, length, dest, FL_SKIPPED);
+ return;
+ }
+
+ if ((loff_t)offset >= file_size) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping copy range behind EOF\n");
+ log5(OP_COPY_RANGE, offset, length, dest, FL_SKIPPED);
+ return;
+ }
+
+ if (dest + length > biggest) {
+ biggest = dest + length;
+ if (!quiet && testcalls > simulatedopcount)
+ prt("copying to largest ever: 0x%x\n", dest + length);
+ }
+
+ log5(OP_COPY_RANGE, offset, length, dest, FL_NONE);
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ if ((progressinterval && testcalls % progressinterval == 0) ||
+ (debug && (monitorstart == -1 || monitorend == -1 ||
+ dest <= monitorstart || dest + length <= monitorend))) {
+ prt("%lu copy\tfrom 0x%x to 0x%x, (0x%x bytes) at 0x%x\n",
+ testcalls, offset, offset+length, length, dest);
+ }
+
+ o1 = offset;
+ o2 = dest;
+ olen = length;
+
+ while (olen > 0) {
+ nr = syscall(__NR_copy_file_range, fd, &o1, fd, &o2, olen, 0);
+ if (nr < 0) {
+ if (errno != EAGAIN || tries++ >= 300)
+ break;
+ } else if (nr > olen) {
+ prt("copy range: 0x%x to 0x%x at 0x%x\n", offset,
+ offset + length, dest);
+ prt("do_copy_range: asked %u, copied %u??\n",
+ nr, olen);
+ report_failure(161);
+ } else if (nr > 0)
+ olen -= nr;
+ }
+ if (nr < 0) {
+ prt("copy range: 0x%x to 0x%x at 0x%x\n", offset,
+ offset + length, dest);
+ prterr("do_copy_range:");
+ report_failure(161);
+ }
+
+ memcpy(good_buf + dest, good_buf + offset, length);
+ if (dest > file_size)
+ memset(good_buf + file_size, '\0', dest - file_size);
+ if (dest + length > file_size)
+ file_size = dest + length;
+}
+
+#else
+int
+test_copy_range(void)
+{
+ return 0;
+}
+
+void
+do_copy_range(unsigned offset, unsigned length, unsigned dest)
+{
+ return;
+}
+#endif
+
#ifdef HAVE_LINUX_FALLOC_H
/* fallocate is basically a no-op unless extending, then a lot like a truncate */
void
}
}
+void
+dofsync(void)
+{
+ int ret;
+
+ if (testcalls <= simulatedopcount)
+ return;
+ if (debug)
+ prt("%lu fsync\n", testcalls);
+ log4(OP_FSYNC, 0, 0, 0);
+ ret = fsync(fd);
+ if (ret < 0) {
+ prterr("dofsync");
+ report_failure(210);
+ }
+ mark_log();
+ dump_fsync_buffer();
+ mark_nr++;
+}
#define TRIM_OFF(off, size) \
do { \
exit(sig);
}
+static int
+op_args_count(int operation)
+{
+ switch (operation) {
+ case OP_CLONE_RANGE:
+ case OP_DEDUPE_RANGE:
+ case OP_COPY_RANGE:
+ return 4;
+ default:
+ return 3;
+ }
+}
+
static int
read_op(struct log_entry *log_entry)
{
goto fail;
}
str = strtok(line, " \t\n");
- } while (!str);
+ } while (!str || str[0] == '#');
if (strcmp(str, "skip") == 0) {
log_entry->flags |= FL_SKIPPED;
log_entry->operation = op_code(str);
if (log_entry->operation == -1)
goto fail;
- for (i = 0; i < 3; i++) {
+ log_entry->nr_args = op_args_count(log_entry->operation);
+ for (i = 0; i < log_entry->nr_args; i++) {
char *end;
str = strtok(NULL, " \t\n");
int
test(void)
{
- unsigned long offset;
+ unsigned long offset, offset2;
unsigned long size;
unsigned long rv;
unsigned long op;
op = log_entry.operation;
offset = log_entry.args[0];
size = log_entry.args[1];
+ offset2 = log_entry.args[2];
closeopen = !!(log_entry.flags & FL_CLOSE_OPEN);
keep_size = !!(log_entry.flags & FL_KEEP_SIZE);
goto have_op;
closeopen = (rv >> 3) < (1 << 28) / closeprob;
offset = random();
+ offset2 = 0;
size = maxoplen;
if (randomoplen)
size = random() % (maxoplen + 1);
/* calculate appropriate op to run */
if (lite)
op = rv % OP_MAX_LITE;
- else
+ else if (!integrity)
op = rv % OP_MAX_FULL;
+ else
+ op = rv % OP_MAX_INTEGRITY;
switch(op) {
case OP_TRUNCATE:
if (zero_range_calls && size && keep_size_calls)
keep_size = random() % 2;
break;
+ case OP_CLONE_RANGE:
+ TRIM_OFF_LEN(offset, size, file_size);
+ offset = offset & ~(block_size - 1);
+ size = size & ~(block_size - 1);
+ do {
+ offset2 = random();
+ TRIM_OFF(offset2, maxfilelen);
+ offset2 = offset2 & ~(block_size - 1);
+ } while (llabs(offset2 - offset) < size ||
+ offset2 + size > maxfilelen);
+ break;
+ case OP_DEDUPE_RANGE:
+ {
+ int tries = 0;
+
+ TRIM_OFF_LEN(offset, size, file_size);
+ offset = offset & ~(block_size - 1);
+ size = size & ~(block_size - 1);
+ do {
+ if (tries++ >= 30) {
+ size = 0;
+ break;
+ }
+ offset2 = random();
+ TRIM_OFF(offset2, file_size);
+ offset2 = offset2 & ~(block_size - 1);
+ } while (llabs(offset2 - offset) < size ||
+ offset2 + size > file_size);
+ break;
+ }
+ case OP_COPY_RANGE:
+ TRIM_OFF_LEN(offset, size, file_size);
+ offset -= offset % readbdy;
+ if (o_direct)
+ size -= size % readbdy;
+ do {
+ offset2 = random();
+ TRIM_OFF(offset2, maxfilelen);
+ offset2 -= offset2 % writebdy;
+ } while (llabs(offset2 - offset) < size ||
+ offset2 + size > maxfilelen);
+ break;
}
have_op:
goto out;
}
break;
+ case OP_CLONE_RANGE:
+ if (!clone_range_calls) {
+ log5(op, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+ break;
+ case OP_DEDUPE_RANGE:
+ if (!dedupe_range_calls) {
+ log5(op, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+ break;
+ case OP_COPY_RANGE:
+ if (!copy_range_calls) {
+ log5(op, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+ break;
}
switch (op) {
do_insert_range(offset, size);
break;
+ case OP_CLONE_RANGE:
+ if (size == 0) {
+ log5(OP_CLONE_RANGE, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+ if (offset2 + size > maxfilelen) {
+ log5(OP_CLONE_RANGE, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+
+ do_clone_range(offset, size, offset2);
+ break;
+ case OP_DEDUPE_RANGE:
+ if (size == 0) {
+ log5(OP_DEDUPE_RANGE, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+ if (offset2 + size > maxfilelen) {
+ log5(OP_DEDUPE_RANGE, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+
+ do_dedupe_range(offset, size, offset2);
+ break;
+ case OP_COPY_RANGE:
+ if (size == 0) {
+ log5(OP_COPY_RANGE, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+ if (offset2 + size > maxfilelen) {
+ log5(OP_COPY_RANGE, offset, size, offset2, FL_SKIPPED);
+ goto out;
+ }
+
+ do_copy_range(offset, size, offset2);
+ break;
+ case OP_FSYNC:
+ dofsync();
+ break;
default:
prterr("test: unknown operation");
report_failure(42);
break;
}
+ if (check_file && testcalls > simulatedopcount)
+ check_contents();
+
out:
if (sizechecks && testcalls > simulatedopcount)
check_size();
usage(void)
{
fprintf(stdout, "usage: %s",
- "fsx [-dnqxAFLOWZ] [-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] fname\n\
+ "fsx [-dknqxABEFJLOWZ] [-b opnum] [-c Prob] [-g filldata] [-i logdev] [-j logid] [-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] 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\n\
-f flush and invalidate cache after I/O\n\
+ -g X: write character X instead of random generated data\n\
+ -i logdev: do integrity testing, logdev is the dm log writes device\n\
+ -j logid: prefix debug log messsages with this id\n\
+ -k: do not truncate existing file and use its size as upper bound on file size\n\
-l flen: the upper bound on file size (default 262144)\n\
-m startop:endop: monitor (print debug output) specified byte range (default 0:infinity)\n\
-n: no verifications of file size\n\
#ifdef FALLOC_FL_INSERT_RANGE
" -I: Do not use insert range calls\n"
#endif
+#ifdef FICLONERANGE
+" -J: Do not use clone range calls\n"
+#endif
+#ifdef FIDEDUPERANGE
+" -B: Do not use dedupe range calls\n"
+#endif
+#ifdef HAVE_COPY_FILE_RANGE
+" -E: Do not use copy range calls\n"
+#endif
" -L: fsxLite - no file creations & no file size changes\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\
+ -P: save .fsxlog .fsxops and .fsxgood files in dirpath (default ./)\n\
-S seed: for random # generator (default 1) 0 gets timestamp\n\
-W: mapped write operations DISabled\n\
+ -X: Read file and compare to good buffer after every operation.\n\
-R: read() system calls only (mapped reads disabled)\n\
-Z: O_DIRECT (use -R, -W, -r and -w too)\n\
+ --replay-ops opsfile: replay ops from recorded .fsxops file\n\
+ --record-ops[=opsfile]: dump ops file also on success. optionally specify ops file name\n\
fname: this filename is REQUIRED (no default)\n");
exit(90);
}
#ifdef HAVE_LINUX_FALLOC_H
int ret = 0;
if (!lite) {
- if (fallocate(fd, mode, 0, 1) && errno == EOPNOTSUPP) {
+ if (fallocate(fd, mode, file_size, 1) &&
+ (errno == ENOSYS || errno == EOPNOTSUPP)) {
if(!quiet)
fprintf(stderr,
"main: filesystem does not support "
mode_str);
} else {
ret = 1;
- ftruncate(fd, 0);
+ if (ftruncate(fd, file_size)) {
+ warn("main: ftruncate");
+ exit(132);
+ }
}
}
return ret;
static struct option longopts[] = {
{"replay-ops", required_argument, 0, 256},
+ {"record-ops", optional_argument, 0, 255},
{ }
};
main(int argc, char **argv)
{
int i, style, ch;
- char *endp;
- char goodfile[1024];
- char logfile[1024];
+ char *endp, *tmp;
+ char logfile[PATH_MAX];
struct stat statbuf;
+ int o_flags = O_RDWR|O_CREAT|O_TRUNC;
- goodfile[0] = 0;
logfile[0] = 0;
+ dname[0] = 0;
page_size = getpagesize();
page_mask = page_size - 1;
setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */
while ((ch = getopt_long(argc, argv,
- "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FKHzCILN:OP:RS:WZ",
+ "b:c:dfg:i:j:kl:m:no:p:qr:s:t:w:xyABD:EFJKHzCILN:OP:RS:WXZ",
longopts, NULL)) != EOF)
switch (ch) {
case 'b':
simulatedopcount = getnum(optarg, &endp);
if (!quiet)
- fprintf(stdout, "Will begin at operation %ld\n",
- simulatedopcount);
+ prt("Will begin at operation %ld\n", simulatedopcount);
if (simulatedopcount == 0)
usage();
simulatedopcount -= 1;
case 'c':
closeprob = getnum(optarg, &endp);
if (!quiet)
- fprintf(stdout,
- "Chance of close/open is 1 in %d\n",
- closeprob);
+ prt("Chance of close/open is 1 in %d\n", closeprob);
if (closeprob <= 0)
usage();
break;
case 'f':
flush = 1;
break;
+ case 'g':
+ filldata = *optarg;
+ break;
+ case 'i':
+ integrity = 1;
+ logdev = strdup(optarg);
+ if (!logdev) {
+ prterr("strdup");
+ exit(101);
+ }
+ break;
+ case 'j':
+ logid = strdup(optarg);
+ if (!logid) {
+ prterr("strdup");
+ exit(101);
+ }
+ break;
+ case 'k':
+ o_flags &= ~O_TRUNC;
+ break;
case 'l':
maxfilelen = getnum(optarg, &endp);
if (maxfilelen <= 0)
case 'I':
insert_range_calls = 0;
break;
+ case 'J':
+ clone_range_calls = 0;
+ break;
+ case 'B':
+ dedupe_range_calls = 0;
+ break;
+ case 'E':
+ copy_range_calls = 0;
+ break;
case 'L':
lite = 1;
+ o_flags &= ~(O_CREAT|O_TRUNC);
break;
case 'N':
numops = getnum(optarg, &endp);
randomoplen = 0;
break;
case 'P':
- strncpy(goodfile, optarg, sizeof(goodfile));
- strcat(goodfile, "/");
- strncpy(logfile, optarg, sizeof(logfile));
- strcat(logfile, "/");
+ strncpy(dname, optarg, sizeof(dname));
+ strcat(dname, "/");
+ dirpath = strlen(dname);
break;
case 'R':
mapped_reads = 0;
break;
case 'S':
seed = getnum(optarg, &endp);
- if (seed == 0)
+ if (seed == 0) {
seed = time(0) % 10000;
- if (!quiet)
- fprintf(stdout, "Seed set to %d\n", seed);
+ seed += (int)getpid();
+ }
if (seed < 0)
usage();
break;
case 'W':
mapped_writes = 0;
if (!quiet)
- fprintf(stdout, "mapped writes DISABLED\n");
+ prt("mapped writes DISABLED\n");
+ break;
+ case 'X':
+ check_file = 1;
break;
case 'Z':
o_direct = O_DIRECT;
+ o_flags |= O_DIRECT;
+ break;
+ case 255: /* --record-ops */
+ if (optarg)
+ strncpy(opsfile, optarg, sizeof(opsfile));
+ recordops = opsfile;
break;
case 256: /* --replay-ops */
replayops = optarg;
argv += optind;
if (argc != 1)
usage();
+
+ if (integrity && !dirpath) {
+ fprintf(stderr, "option -i <logdev> requires -P <dirpath>\n");
+ usage();
+ }
+
fname = argv[0];
+ tmp = strdup(fname);
+ if (!tmp) {
+ prterr("strdup");
+ exit(101);
+ }
+ bname = basename(tmp);
signal(SIGHUP, cleanup);
signal(SIGINT, cleanup);
signal(SIGUSR1, cleanup);
signal(SIGUSR2, cleanup);
- initstate(seed, state, 256);
- setstate(state);
- fd = open(fname,
- O_RDWR|(lite ? 0 : O_CREAT|O_TRUNC)|o_direct, 0666);
+ if (!quiet && seed)
+ prt("Seed set to %d\n", seed);
+ srandom(seed);
+ fd = open(fname, o_flags, 0666);
if (fd < 0) {
prterr(fname);
exit(91);
}
}
#endif
- strncat(goodfile, fname, 256);
- strcat (goodfile, ".fsxgood");
+
+ if (dirpath) {
+ snprintf(goodfile, sizeof(goodfile), "%s%s.fsxgood", dname, bname);
+ snprintf(logfile, sizeof(logfile), "%s%s.fsxlog", dname, bname);
+ if (!*opsfile)
+ snprintf(opsfile, sizeof(opsfile), "%s%s.fsxops", dname, bname);
+ } else {
+ snprintf(goodfile, sizeof(goodfile), "%s.fsxgood", fname);
+ snprintf(logfile, sizeof(logfile), "%s.fsxlog", fname);
+ if (!*opsfile)
+ snprintf(opsfile, sizeof(opsfile), "%s.fsxops", fname);
+ }
fsxgoodfd = open(goodfile, O_RDWR|O_CREAT|O_TRUNC, 0666);
if (fsxgoodfd < 0) {
prterr(goodfile);
exit(92);
}
- strncat(logfile, fname, 256);
- strcat (logfile, ".fsxlog");
fsxlogf = fopen(logfile, "w");
if (fsxlogf == NULL) {
prterr(logfile);
exit(93);
}
- strncat(opsfile, fname, 256);
- strcat(opsfile, ".fsxops");
unlink(opsfile);
if (replayops) {
aio_setup();
#endif
- if (lite) {
+ if (!(o_flags & O_TRUNC)) {
off_t ret;
- file_size = maxfilelen = lseek(fd, (off_t)0, SEEK_END);
+ file_size = maxfilelen = biggest = lseek(fd, (off_t)0, SEEK_END);
if (file_size == (off_t)-1) {
prterr(fname);
warn("main: lseek eof");
maxfilelen);
exit(98);
}
- } else
+ } else {
+ ssize_t ret, len = file_size;
+ off_t off = 0;
+
+ while (len > 0) {
+ ret = read(fd, good_buf + off, len);
+ if (ret == -1) {
+ prterr(fname);
+ warn("main: error on read");
+ exit(98);
+ }
+ len -= ret;
+ off += ret;
+ }
+
check_trunc_hack();
+ }
if (fallocate_calls)
fallocate_calls = test_fallocate(0);
collapse_range_calls = test_fallocate(FALLOC_FL_COLLAPSE_RANGE);
if (insert_range_calls)
insert_range_calls = test_fallocate(FALLOC_FL_INSERT_RANGE);
+ if (clone_range_calls)
+ clone_range_calls = test_clone_range();
+ if (dedupe_range_calls)
+ dedupe_range_calls = test_dedupe_range();
+ if (copy_range_calls)
+ copy_range_calls = test_copy_range();
while (numops == -1 || numops--)
if (!test())
break;
+ free(tmp);
if (close(fd)) {
prterr("close");
report_failure(99);
}
prt("All %lu operations completed A-OK!\n", testcalls);
+ if (recordops)
+ logdump();
exit(0);
return 0;