#ifdef AIO
#include <libaio.h>
#endif
-#ifdef FALLOCATE
-#include <linux/falloc.h>
-#endif
#ifndef MAP_FILE
# define MAP_FILE 0
#define NUMPRINTCOLUMNS 32 /* # columns of data to print on each line */
+/* Operation flags */
+
+enum opflags { FL_NONE = 0, FL_SKIPPED = 1, FL_CLOSE_OPEN = 2, FL_KEEP_SIZE = 4 };
+
/*
* A log entry is an operation and a bunch of arguments.
*/
struct log_entry {
int operation;
int args[3];
+ enum opflags flags;
};
-#define LOGSIZE 1000
+#define LOGSIZE 10000
struct log_entry oplog[LOGSIZE]; /* the log */
int logptr = 0; /* current position in log */
* TRUNCATE: - 4
* FALLOCATE: - 5
* PUNCH HOLE: - 6
+ * ZERO RANGE: - 7
*
* When mapped read/writes are disabled, they are simply converted to normal
* reads and writes. When fallocate/fpunch calls are disabled, they are
- * converted to OP_SKIPPED. Hence OP_SKIPPED needs to have a number higher than
- * the operation selction matrix, as does the OP_CLOSEOPEN which is an
- * operation modifier rather than an operation in itself.
+ * skipped.
*
* Because of the "lite" version, we also need to have different "maximum
* operation" defines to allow the ops to be selected correctly based on the
#define OP_MAX_LITE 4
/* !lite operations */
-#define OP_TRUNCATE 4
-#define OP_FALLOCATE 5
-#define OP_PUNCH_HOLE 6
-#define OP_MAX_FULL 7
-
-/* operation modifiers */
-#define OP_CLOSEOPEN 100
-#define OP_SKIPPED 101
+#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
#undef PAGE_SIZE
#define PAGE_SIZE getpagesize()
char *fname; /* name of our test file */
int fd; /* fd for our test file */
+blksize_t block_size = 0;
off_t file_size = 0;
off_t biggest = 0;
char state[256];
int seed = 1; /* -S flag */
int mapped_writes = 1; /* -W flag disables */
int fallocate_calls = 1; /* -F flag disables */
+int keep_size_calls = 1; /* -K flag disables */
int punch_hole_calls = 1; /* -H flag disables */
+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 fsxgoodfd = 0;
int o_direct; /* -Z */
#define fsxwrite(a,b,c,d) write(a,b,c)
#endif
+const char *replayops = NULL;
FILE * fsxlogf = NULL;
+FILE * replayopsf = NULL;
+char opsfile[1024];
int badoff = -1;
int closeopen = 0;
#define BUF_SIZE 1024
void
-prt(char *fmt, ...)
+prt(const char *fmt, ...)
{
va_list args;
char buffer[BUF_SIZE];
}
void
-prterr(char *prefix)
+prterr(const char *prefix)
{
prt("%s%s%s\n", prefix, prefix ? ": " : "", strerror(errno));
}
+static const char *op_names[] = {
+ [OP_READ] = "read",
+ [OP_WRITE] = "write",
+ [OP_MAPREAD] = "mapread",
+ [OP_MAPWRITE] = "mapwrite",
+ [OP_TRUNCATE] = "truncate",
+ [OP_FALLOCATE] = "fallocate",
+ [OP_PUNCH_HOLE] = "punch_hole",
+ [OP_ZERO_RANGE] = "zero_range",
+ [OP_COLLAPSE_RANGE] = "collapse_range",
+ [OP_INSERT_RANGE] = "insert_range",
+};
+
+static const char *op_name(int operation)
+{
+ if (operation >= 0 &&
+ operation < sizeof(op_names) / sizeof(op_names[0]))
+ return op_names[operation];
+ return NULL;
+}
+
+static int op_code(const char *name)
+{
+ int i;
+
+ for (i = 0; i < sizeof(op_names) / sizeof(op_names[0]); i++)
+ if (op_names[i] && strcmp(name, op_names[i]) == 0)
+ return i;
+ return -1;
+}
+
void
-log4(int operation, int arg0, int arg1, int arg2)
+log4(int operation, int arg0, int arg1, enum opflags flags)
{
struct log_entry *le;
le = &oplog[logptr];
le->operation = operation;
if (closeopen)
- le->operation = ~ le->operation;
+ flags |= FL_CLOSE_OPEN;
le->args[0] = arg0;
le->args[1] = arg1;
- le->args[2] = arg2;
+ le->args[2] = file_size;
+ le->flags = flags;
logptr++;
logcount++;
if (logptr >= LOGSIZE)
void
logdump(void)
{
+ FILE *logopsf;
int i, count, down;
struct log_entry *lp;
- char *falloc_type[3] = {"PAST_EOF", "EXTENDING", "INTERIOR"};
prt("LOG DUMP (%d total operations):\n", logcount);
+
+ logopsf = fopen(opsfile, "w");
+ if (!logopsf)
+ prterr(opsfile);
+
if (logcount < LOGSIZE) {
i = 0;
count = logcount;
count = LOGSIZE;
}
for ( ; count > 0; count--) {
+ bool overlap;
int opnum;
opnum = i+1 + (logcount/LOGSIZE)*LOGSIZE;
prt("%d(%3d mod 256): ", opnum, opnum%256);
lp = &oplog[i];
- if ((closeopen = lp->operation < 0))
- lp->operation = ~ lp->operation;
-
+
+ overlap = badoff >= lp->args[0] &&
+ badoff < lp->args[0] + lp->args[1];
+
+ if (lp->flags & FL_SKIPPED) {
+ prt("SKIPPED (no operation)");
+ goto skipped;
+ }
+
switch (lp->operation) {
case OP_MAPREAD:
prt("MAPREAD 0x%x thru 0x%x\t(0x%x 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])
+ if (overlap)
prt("\t***RRRR***");
break;
case OP_MAPWRITE:
prt("MAPWRITE 0x%x thru 0x%x\t(0x%x 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])
+ if (overlap)
prt("\t******WWWW");
break;
case OP_READ:
prt("READ 0x%x thru 0x%x\t(0x%x 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])
+ if (overlap)
prt("\t***RRRR***");
break;
case OP_WRITE:
prt(" HOLE");
else if (lp->args[0] + lp->args[1] > lp->args[2])
prt(" EXTEND");
- if ((badoff >= lp->args[0] || badoff >=lp->args[2]) &&
- badoff < lp->args[0] + lp->args[1])
+ overlap = (badoff >= lp->args[0] ||
+ badoff >=lp->args[2]) &&
+ badoff < lp->args[0] + lp->args[1];
+ if (overlap)
prt("\t***WWWW");
break;
case OP_TRUNCATE:
- down = lp->args[0] < lp->args[1];
+ down = lp->args[1] < lp->args[2];
prt("TRUNCATE %s\tfrom 0x%x to 0x%x",
- down ? "DOWN" : "UP", lp->args[1], lp->args[0]);
- if (badoff >= lp->args[!down] &&
- badoff < lp->args[!!down])
+ down ? "DOWN" : "UP", lp->args[2], lp->args[1]);
+ overlap = badoff >= lp->args[1 + !down] &&
+ badoff < lp->args[1 + !!down];
+ if (overlap)
prt("\t******WWWW");
break;
case OP_FALLOCATE:
/* 0: offset 1: length 2: where alloced */
- prt("FALLOC 0x%x thru 0x%x\t(0x%x bytes) %s",
+ prt("FALLOC 0x%x thru 0x%x\t(0x%x bytes) ",
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])
+ lp->args[1]);
+ if (lp->args[0] + lp->args[1] <= lp->args[2])
+ prt("INTERIOR");
+ else if (lp->flags & FL_KEEP_SIZE)
+ prt("PAST_EOF");
+ else
+ prt("EXTENDING");
+ if (overlap)
prt("\t******FFFF");
break;
case OP_PUNCH_HOLE:
prt("PUNCH 0x%x thru 0x%x\t(0x%x 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])
+ if (overlap)
prt("\t******PPPP");
break;
- case OP_SKIPPED:
- prt("SKIPPED (no operation)");
+ case OP_ZERO_RANGE:
+ prt("ZERO 0x%x thru 0x%x\t(0x%x bytes)",
+ lp->args[0], lp->args[0] + lp->args[1] - 1,
+ lp->args[1]);
+ if (overlap)
+ prt("\t******ZZZZ");
+ break;
+ case OP_COLLAPSE_RANGE:
+ prt("COLLAPSE 0x%x thru 0x%x\t(0x%x bytes)",
+ lp->args[0], lp->args[0] + lp->args[1] - 1,
+ lp->args[1]);
+ if (overlap)
+ prt("\t******CCCC");
+ break;
+ case OP_INSERT_RANGE:
+ prt("INSERT 0x%x thru 0x%x\t(0x%x bytes)",
+ lp->args[0], lp->args[0] + lp->args[1] - 1,
+ lp->args[1]);
+ if (overlap)
+ prt("\t******IIII");
break;
default:
prt("BOGUS LOG ENTRY (operation code = %d)!",
lp->operation);
+ continue;
}
- if (closeopen)
+
+ skipped:
+ if (lp->flags & FL_CLOSE_OPEN)
prt("\n\t\tCLOSE/OPEN");
prt("\n");
i++;
if (i == LOGSIZE)
i = 0;
+
+ if (logopsf) {
+ 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]);
+ if (lp->flags & FL_KEEP_SIZE)
+ fprintf(logopsf, " keep_size");
+ if (lp->flags & FL_CLOSE_OPEN)
+ fprintf(logopsf, " close_open");
+ if (overlap)
+ fprintf(logopsf, " *");
+ fprintf(logopsf, "\n");
+ }
+ }
+
+ if (logopsf) {
+ if (fclose(logopsf) != 0)
+ prterr(opsfile);
+ else
+ prt("Log of operations saved to \"%s\"; "
+ "replay with --replay-ops\n",
+ opsfile);
}
}
if (c != t) {
if (n < 16) {
bad = short_at(&temp_buf[i]);
- prt("0x%5x\t0x%04x\t0x%04x", offset,
+ prt("0x%05x\t0x%04x\t0x%04x", offset,
short_at(&good_buf[offset]), bad);
op = temp_buf[offset & 1 ? i+1 : i];
- prt("\t0x%5x\n", n);
+ prt("\t0x%05x\n", n);
if (op)
prt("operation# (mod 256) for "
"the bad data may be %u\n",
if (size == 0) {
if (!quiet && testcalls > simulatedopcount && !o_direct)
prt("skipping zero size read\n");
- log4(OP_SKIPPED, OP_READ, offset, size);
+ log4(OP_READ, offset, size, FL_SKIPPED);
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);
+ log4(OP_READ, offset, size, FL_SKIPPED);
return;
}
- log4(OP_READ, offset, size, 0);
+ log4(OP_READ, offset, size, FL_NONE);
if (testcalls <= simulatedopcount)
return;
if (size == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero size read\n");
- log4(OP_SKIPPED, OP_MAPREAD, offset, size);
+ log4(OP_MAPREAD, offset, size, FL_SKIPPED);
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);
+ log4(OP_MAPREAD, offset, size, FL_SKIPPED);
return;
}
- log4(OP_MAPREAD, offset, size, 0);
+ log4(OP_MAPREAD, offset, size, FL_NONE);
if (testcalls <= simulatedopcount)
return;
if (size == 0) {
if (!quiet && testcalls > simulatedopcount && !o_direct)
prt("skipping zero size write\n");
- log4(OP_SKIPPED, OP_WRITE, offset, size);
+ log4(OP_WRITE, offset, size, FL_SKIPPED);
return;
}
- log4(OP_WRITE, offset, size, file_size);
+ log4(OP_WRITE, offset, size, FL_NONE);
gendata(original_buf, good_buf, offset, size);
if (file_size < offset + size) {
if (size == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero size write\n");
- log4(OP_SKIPPED, OP_MAPWRITE, offset, size);
+ log4(OP_MAPWRITE, offset, size, FL_SKIPPED);
return;
}
cur_filesize = file_size;
- log4(OP_MAPWRITE, offset, size, 0);
+ log4(OP_MAPWRITE, offset, size, FL_NONE);
gendata(original_buf, good_buf, offset, size);
if (file_size < offset + size) {
report_failure(202);
}
memcpy(p + pg_offset, good_buf + offset, size);
- if (msync(p, map_size, 0) != 0) {
+ if (msync(p, map_size, MS_SYNC) != 0) {
prterr("domapwrite: msync");
report_failure(203);
}
prt("truncating to largest ever: 0x%x\n", size);
}
- log4(OP_TRUNCATE, size, (unsigned)file_size, 0);
+ log4(OP_TRUNCATE, 0, size, FL_NONE);
if (size > file_size)
memset(good_buf + file_size, '\0', size - file_size);
if (length == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero length punch hole\n");
- log4(OP_SKIPPED, OP_PUNCH_HOLE, offset, length);
+ log4(OP_PUNCH_HOLE, offset, length, FL_SKIPPED);
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);
+ log4(OP_PUNCH_HOLE, offset, length, FL_SKIPPED);
return;
}
end_offset = offset + length;
- log4(OP_PUNCH_HOLE, offset, length, 0);
+ log4(OP_PUNCH_HOLE, offset, length, FL_NONE);
if (testcalls <= simulatedopcount)
return;
}
#endif
-#ifdef FALLOCATE
+#ifdef FALLOC_FL_ZERO_RANGE
+void
+do_zero_range(unsigned offset, unsigned length, int keep_size)
+{
+ unsigned end_offset;
+ int mode = FALLOC_FL_ZERO_RANGE;
+
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping zero length zero range\n");
+ log4(OP_ZERO_RANGE, offset, length, FL_SKIPPED |
+ (keep_size ? FL_KEEP_SIZE : FL_NONE));
+ return;
+ }
+
+ 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,
+ keep_size ? FL_KEEP_SIZE : FL_NONE);
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ if ((progressinterval && testcalls % progressinterval == 0) ||
+ (debug && (monitorstart == -1 || monitorend == -1 ||
+ end_offset <= monitorend))) {
+ prt("%lu zero\tfrom 0x%x to 0x%x, (0x%x bytes)\n", testcalls,
+ offset, offset+length, length);
+ }
+ if (fallocate(fd, mode, (loff_t)offset, (loff_t)length) == -1) {
+ prt("%pzero range: %x to %x\n", offset, length);
+ prterr("do_zero_range: fallocate");
+ report_failure(161);
+ }
+
+ memset(good_buf + offset, '\0', length);
+}
+
+#else
+void
+do_zero_range(unsigned offset, unsigned length, int keep_size)
+{
+ return;
+}
+#endif
+
+#ifdef FALLOC_FL_COLLAPSE_RANGE
+void
+do_collapse_range(unsigned offset, unsigned length)
+{
+ unsigned end_offset;
+ int mode = FALLOC_FL_COLLAPSE_RANGE;
+
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping zero length collapse range\n");
+ log4(OP_COLLAPSE_RANGE, offset, length, FL_SKIPPED);
+ return;
+ }
+
+ end_offset = offset + length;
+ if ((loff_t)end_offset >= file_size) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping collapse range behind EOF\n");
+ log4(OP_COLLAPSE_RANGE, offset, length, FL_SKIPPED);
+ return;
+ }
+
+ log4(OP_COLLAPSE_RANGE, offset, length, FL_NONE);
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ if ((progressinterval && testcalls % progressinterval == 0) ||
+ (debug && (monitorstart == -1 || monitorend == -1 ||
+ end_offset <= monitorend))) {
+ prt("%lu collapse\tfrom 0x%x to 0x%x, (0x%x bytes)\n", testcalls,
+ offset, offset+length, length);
+ }
+ if (fallocate(fd, mode, (loff_t)offset, (loff_t)length) == -1) {
+ prt("collapse range: %x to %x\n", offset, length);
+ prterr("do_collapse_range: fallocate");
+ report_failure(161);
+ }
+
+ memmove(good_buf + offset, good_buf + end_offset,
+ file_size - end_offset);
+ file_size -= length;
+}
+
+#else
+void
+do_collapse_range(unsigned offset, unsigned length)
+{
+ return;
+}
+#endif
+
+#ifdef FALLOC_FL_INSERT_RANGE
+void
+do_insert_range(unsigned offset, unsigned length)
+{
+ unsigned end_offset;
+ int mode = FALLOC_FL_INSERT_RANGE;
+
+ if (length == 0) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping zero length insert range\n");
+ log4(OP_INSERT_RANGE, offset, length, FL_SKIPPED);
+ return;
+ }
+
+ if ((loff_t)offset >= file_size) {
+ if (!quiet && testcalls > simulatedopcount)
+ prt("skipping insert range behind EOF\n");
+ log4(OP_INSERT_RANGE, offset, length, FL_SKIPPED);
+ return;
+ }
+
+ log4(OP_INSERT_RANGE, offset, length, FL_NONE);
+
+ if (testcalls <= simulatedopcount)
+ return;
+
+ end_offset = offset + length;
+ if ((progressinterval && testcalls % progressinterval == 0) ||
+ (debug && (monitorstart == -1 || monitorend == -1 ||
+ end_offset <= monitorend))) {
+ prt("%lu insert\tfrom 0x%x to 0x%x, (0x%x bytes)\n", testcalls,
+ offset, offset+length, length);
+ }
+ if (fallocate(fd, mode, (loff_t)offset, (loff_t)length) == -1) {
+ prt("insert range: %x to %x\n", offset, length);
+ prterr("do_insert_range: fallocate");
+ report_failure(161);
+ }
+
+ memmove(good_buf + end_offset, good_buf + offset,
+ file_size - offset);
+ memset(good_buf + offset, '\0', length);
+ file_size += length;
+}
+
+#else
+void
+do_insert_range(unsigned offset, unsigned length)
+{
+ return;
+}
+#endif
+
+#ifdef HAVE_LINUX_FALLOC_H
/* fallocate is basically a no-op unless extending, then a lot like a truncate */
void
-do_preallocate(unsigned offset, unsigned length)
+do_preallocate(unsigned offset, unsigned length, int keep_size)
{
unsigned end_offset;
- int keep_size;
if (length == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero length fallocate\n");
- log4(OP_SKIPPED, OP_FALLOCATE, offset, length);
+ log4(OP_FALLOCATE, offset, length, FL_SKIPPED |
+ (keep_size ? FL_KEEP_SIZE : FL_NONE));
return;
}
- keep_size = random() % 2;
-
end_offset = keep_size ? 0 : offset + length;
if (end_offset > biggest) {
* 1: extending prealloc
* 2: interior prealloc
*/
- log4(OP_FALLOCATE, offset, length, (end_offset > file_size) ? (keep_size ? 0 : 1) : 2);
+ log4(OP_FALLOCATE, offset, length,
+ keep_size ? FL_KEEP_SIZE : FL_NONE);
if (end_offset > file_size) {
memset(good_buf + file_size, '\0', end_offset - file_size);
}
#else
void
-do_preallocate(unsigned offset, unsigned length)
+do_preallocate(unsigned offset, unsigned length, int keep_size)
{
return;
}
}
}
-#define TRIM_OFF_LEN(off, len, size, allow_zero_file_size) \
+
+#define TRIM_OFF(off, size) \
do { \
- if (allow_zero_file_size || file_size) \
- offset %= size; \
+ if (size) \
+ (off) %= (size); \
else \
- offset = 0; \
- if (offset + len > size) \
- len = size - offset; \
+ (off) = 0; \
} while (0)
-void
+#define TRIM_LEN(off, len, size) \
+do { \
+ if ((off) + (len) > (size)) \
+ (len) = (size) - (off); \
+} while (0)
+
+#define TRIM_OFF_LEN(off, len, size) \
+do { \
+ TRIM_OFF(off, size); \
+ TRIM_LEN(off, len, size); \
+} while (0)
+
+void cleanup();
+
+static int
+read_op(struct log_entry *log_entry)
+{
+ char line[256];
+
+ memset(log_entry, 0, sizeof(*log_entry));
+ log_entry->operation = -1;
+
+ while (log_entry->operation == -1) {
+ char *str;
+ int i;
+
+ do {
+ if (!fgets(line, sizeof(line), replayopsf)) {
+ if (feof(replayopsf)) {
+ replayopsf = NULL;
+ return 0;
+ }
+ goto fail;
+ }
+ str = strtok(line, " \t\n");
+ } while (!str);
+
+ if (strcmp(str, "skip") == 0) {
+ log_entry->flags |= FL_SKIPPED;
+ str = strtok(NULL, " \t\n");
+ if (!str)
+ goto fail;
+ }
+ log_entry->operation = op_code(str);
+ if (log_entry->operation == -1)
+ goto fail;
+ for (i = 0; i < 3; i++) {
+ char *end;
+
+ str = strtok(NULL, " \t\n");
+ if (!str)
+ goto fail;
+ log_entry->args[i] = strtoul(str, &end, 0);
+ if (*end)
+ goto fail;
+ }
+ while ((str = strtok(NULL, " \t\n"))) {
+ if (strcmp(str, "keep_size") == 0)
+ log_entry->flags |= FL_KEEP_SIZE;
+ else if (strcmp(str, "close_open") == 0)
+ log_entry->flags |= FL_CLOSE_OPEN;
+ else if (strcmp(str, "*") == 0)
+ ; /* overlap marker; ignore */
+ else
+ goto fail;
+ }
+ }
+ return 1;
+
+fail:
+ fprintf(stderr, "%s: parse error\n", replayops);
+ fclose(replayopsf);
+ replayopsf = NULL;
+ cleanup(100); /* doesn't return */
+ return 0;
+}
+
+
+int
test(void)
{
unsigned long offset;
- unsigned long size = maxoplen;
- unsigned long rv = random();
+ unsigned long size;
+ unsigned long rv;
unsigned long op;
+ int keep_size = 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);
+ if (replayopsf) {
+ struct log_entry log_entry;
+
+ while (read_op(&log_entry)) {
+ if (log_entry.flags & FL_SKIPPED) {
+ log4(log_entry.operation,
+ log_entry.args[0], log_entry.args[1],
+ log_entry.flags);
+ continue;
+ }
+
+ op = log_entry.operation;
+ offset = log_entry.args[0];
+ size = log_entry.args[1];
+ closeopen = !!(log_entry.flags & FL_CLOSE_OPEN);
+ keep_size = !!(log_entry.flags & FL_KEEP_SIZE);
+ goto have_op;
+ }
+ return 0;
+ }
+
+ rv = random();
+ if (closeprob)
+ closeopen = (rv >> 3) < (1 << 28) / closeprob;
+
offset = random();
+ size = maxoplen;
if (randomoplen)
size = random() % (maxoplen + 1);
else
op = rv % OP_MAX_FULL;
+ switch(op) {
+ case OP_TRUNCATE:
+ if (!style)
+ size = random() % maxfilelen;
+ break;
+ case OP_FALLOCATE:
+ if (fallocate_calls && size && keep_size_calls)
+ keep_size = random() % 2;
+ break;
+ case OP_ZERO_RANGE:
+ if (zero_range_calls && size && keep_size_calls)
+ keep_size = random() % 2;
+ break;
+ }
+
+have_op:
+
switch (op) {
case OP_MAPREAD:
if (!mapped_reads)
break;
case OP_FALLOCATE:
if (!fallocate_calls) {
- log4(OP_SKIPPED, OP_FALLOCATE, offset, size);
+ log4(OP_FALLOCATE, offset, size, FL_SKIPPED);
goto out;
}
break;
case OP_PUNCH_HOLE:
if (!punch_hole_calls) {
- log4(OP_SKIPPED, OP_PUNCH_HOLE, offset, size);
+ log4(OP_PUNCH_HOLE, offset, size, FL_SKIPPED);
+ goto out;
+ }
+ break;
+ case OP_ZERO_RANGE:
+ if (!zero_range_calls) {
+ log4(OP_ZERO_RANGE, offset, size, FL_SKIPPED);
+ goto out;
+ }
+ break;
+ case OP_COLLAPSE_RANGE:
+ if (!collapse_range_calls) {
+ log4(OP_COLLAPSE_RANGE, offset, size, FL_SKIPPED);
+ goto out;
+ }
+ break;
+ case OP_INSERT_RANGE:
+ if (!insert_range_calls) {
+ log4(OP_INSERT_RANGE, offset, size, FL_SKIPPED);
goto out;
}
break;
switch (op) {
case OP_READ:
- TRIM_OFF_LEN(offset, size, file_size, 0);
+ TRIM_OFF_LEN(offset, size, file_size);
doread(offset, size);
break;
case OP_WRITE:
- TRIM_OFF_LEN(offset, size, maxfilelen, 1);
+ TRIM_OFF_LEN(offset, size, maxfilelen);
dowrite(offset, size);
break;
case OP_MAPREAD:
- TRIM_OFF_LEN(offset, size, file_size, 0);
+ TRIM_OFF_LEN(offset, size, file_size);
domapread(offset, size);
break;
case OP_MAPWRITE:
- TRIM_OFF_LEN(offset, size, maxfilelen, 1);
+ 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, 1);
- do_preallocate(offset, size);
+ TRIM_OFF_LEN(offset, size, maxfilelen);
+ do_preallocate(offset, size, keep_size);
break;
case OP_PUNCH_HOLE:
- TRIM_OFF_LEN(offset, size, maxfilelen, 1);
+ 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, keep_size);
+ break;
+ case OP_COLLAPSE_RANGE:
+ TRIM_OFF_LEN(offset, size, file_size - 1);
+ offset = offset & ~(block_size - 1);
+ size = size & ~(block_size - 1);
+ if (size == 0) {
+ log4(OP_COLLAPSE_RANGE, offset, size, FL_SKIPPED);
+ goto out;
+ }
+ do_collapse_range(offset, size);
+ break;
+ case OP_INSERT_RANGE:
+ TRIM_OFF(offset, file_size);
+ TRIM_LEN(file_size, size, maxfilelen);
+ offset = offset & ~(block_size - 1);
+ size = size & ~(block_size - 1);
+ if (size == 0) {
+ log4(OP_INSERT_RANGE, offset, size, FL_SKIPPED);
+ goto out;
+ }
+ if (file_size + size > maxfilelen) {
+ log4(OP_INSERT_RANGE, offset, size, FL_SKIPPED);
+ goto out;
+ }
+
+ do_insert_range(offset, size);
+ break;
default:
prterr("test: unknown operation");
report_failure(42);
check_size();
if (closeopen)
docloseopen();
+ return 1;
}
" -A: Use the AIO system calls\n"
#endif
" -D startingop: debug output starting at specified operation\n"
-#ifdef FALLOCATE
+#ifdef HAVE_LINUX_FALLOC_H
" -F: Do not use fallocate (preallocation) calls\n"
#endif
#ifdef FALLOC_FL_PUNCH_HOLE
-" -H: Do not use punch hole calls\n"
+" -H: Do not use punch hole calls\n"
+#endif
+#ifdef FALLOC_FL_ZERO_RANGE
+" -z: Do not use zero range calls\n"
+#endif
+#ifdef FALLOC_FL_COLLAPSE_RANGE
+" -C: Do not use collapse range calls\n"
+#endif
+#ifdef FALLOC_FL_INSERT_RANGE
+" -I: Do not use insert range calls\n"
#endif
" -L: fsxLite - no file creations & no file size changes\n\
-N numops: total # operations to do (default infinity)\n\
#endif
-void
-test_fallocate()
+#define test_fallocate(mode) __test_fallocate(mode, #mode)
+
+int
+__test_fallocate(int mode, const char *mode_str)
{
-#ifdef FALLOCATE
- if (!lite && fallocate_calls) {
- if (fallocate(fd, 0, 0, 1) && errno == EOPNOTSUPP) {
+#ifdef HAVE_LINUX_FALLOC_H
+ int ret = 0;
+ if (!lite) {
+ if (fallocate(fd, mode, 0, 1) && errno == EOPNOTSUPP) {
if(!quiet)
- warn("main: filesystem does not support fallocate, disabling\n");
- fallocate_calls = 0;
+ fprintf(stderr,
+ "main: filesystem does not support "
+ "fallocate mode %s, disabling!\n",
+ mode_str);
} else {
+ ret = 1;
ftruncate(fd, 0);
}
}
-#else /* ! FALLOCATE */
- fallocate_calls = 0;
+ return ret;
#endif
-
}
-void
-test_punch_hole()
-{
-#ifdef FALLOC_FL_PUNCH_HOLE
- if (!lite && punch_hole_calls) {
- if (fallocate(fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
- 0, 1) && errno == EOPNOTSUPP) {
- if(!quiet)
- warn("main: filesystem does not support fallocate punch hole, disabling");
- punch_hole_calls = 0;
- } else
- ftruncate(fd, 0);
- }
-#else /* ! PUNCH HOLE */
- punch_hole_calls = 0;
-#endif
-}
+static struct option longopts[] = {
+ {"replay-ops", required_argument, 0, 256},
+ { }
+};
int
main(int argc, char **argv)
char *endp;
char goodfile[1024];
char logfile[1024];
+ struct stat statbuf;
goodfile[0] = 0;
logfile[0] = 0;
setvbuf(stdout, (char *)0, _IOLBF, 0); /* line buffered stdout */
- while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FHLN:OP:RS:WZ"))
- != EOF)
+ while ((ch = getopt_long(argc, argv,
+ "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FKHzCILN:OP:RS:WZ",
+ longopts, NULL)) != EOF)
switch (ch) {
case 'b':
simulatedopcount = getnum(optarg, &endp);
case 'F':
fallocate_calls = 0;
break;
+ case 'K':
+ keep_size_calls = 0;
+ break;
case 'H':
punch_hole_calls = 0;
break;
+ case 'z':
+ zero_range_calls = 0;
+ break;
+ case 'C':
+ collapse_range_calls = 0;
+ break;
+ case 'I':
+ insert_range_calls = 0;
+ break;
case 'L':
lite = 1;
break;
case 'Z':
o_direct = O_DIRECT;
break;
+ case 256: /* --replay-ops */
+ replayops = optarg;
+ break;
default:
usage();
/* NOTREACHED */
prterr(fname);
exit(91);
}
+ if (fstat(fd, &statbuf)) {
+ prterr("check_size: fstat");
+ exit(91);
+ }
+ block_size = statbuf.st_blksize;
#ifdef XFS
if (prealloc) {
xfs_flock64_t resv = { 0 };
prterr(logfile);
exit(93);
}
+ strncat(opsfile, fname, 256);
+ strcat(opsfile, ".fsxops");
+ unlink(opsfile);
+
+ if (replayops) {
+ replayopsf = fopen(replayops, "r");
+ if (!replayopsf) {
+ prterr(replayops);
+ exit(93);
+ }
+ }
#ifdef AIO
if (aio)
} else
check_trunc_hack();
- test_fallocate();
- test_punch_hole();
+ if (fallocate_calls)
+ fallocate_calls = test_fallocate(0);
+ if (keep_size_calls)
+ keep_size_calls = test_fallocate(FALLOC_FL_KEEP_SIZE);
+ 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);
+ if (collapse_range_calls)
+ collapse_range_calls = test_fallocate(FALLOC_FL_COLLAPSE_RANGE);
+ if (insert_range_calls)
+ insert_range_calls = test_fallocate(FALLOC_FL_INSERT_RANGE);
while (numops == -1 || numops--)
- test();
+ if (!test())
+ break;
if (close(fd)) {
prterr("close");
report_failure(99);
}
- prt("All operations completed A-OK!\n");
+ prt("All %lu operations completed A-OK!\n", testcalls);
exit(0);
return 0;