#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;
};
* 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
-
-/* integrity operations */
-#define OP_FSYNC 10
-#define OP_MAX_INTEGRITY 11
+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()
int insert_range_calls = 1; /* -I flag disables */
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 */
[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",
};
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;
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)
}
#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
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)
{
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);
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;
usage(void)
{
fprintf(stdout, "usage: %s",
- "fsx [-dknqxAFLOWZ] [-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\
+ "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\
#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\
#ifdef HAVE_LINUX_FALLOC_H
int ret = 0;
if (!lite) {
- if (fallocate(fd, mode, file_size, 1) && errno == EOPNOTSUPP) {
+ if (fallocate(fd, mode, file_size, 1) &&
+ (errno == ENOSYS || errno == EOPNOTSUPP)) {
if(!quiet)
fprintf(stderr,
"main: filesystem does not support "
setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */
while ((ch = getopt_long(argc, argv,
- "b:c:dfg:i:j:kl:m:no:p:qr:s:t:w:xyAD:FKHzCILN:OP:RS:WXZ",
+ "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':
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);
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())