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fsx: Add fallocate insert range operation

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This commit adds fallocate FALLOC_FL_INSERT_RANGE support for fsx.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Namjae Jeon
2015-02-25 15:35:08 +11:00
committed by Dave Chinner
parent 6e5194daba
commit 788b13485b
1 changed files with 114 additions and 10 deletions
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ltp/fsx.c
+114 -10
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@@ -95,7 +95,8 @@ int logcount = 0; /* total ops */
#define OP_PUNCH_HOLE 6
#define OP_ZERO_RANGE 7
#define OP_COLLAPSE_RANGE 8
#define OP_MAX_FULL 9
#define OP_INSERT_RANGE 9
#define OP_MAX_FULL 10
/* operation modifiers */
#define OP_CLOSEOPEN 100
@@ -146,6 +147,7 @@ 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 */
@@ -340,6 +342,14 @@ logdump(void)
lp->args[0] + lp->args[1])
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 (badoff >= lp->args[0] && badoff <
lp->args[0] + lp->args[1])
prt("\t******IIII");
break;
case OP_SKIPPED:
prt("SKIPPED (no operation)");
break;
@@ -1014,6 +1024,59 @@ do_collapse_range(unsigned offset, unsigned length)
}
#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_SKIPPED, OP_INSERT_RANGE, offset, length);
return;
}
if ((loff_t)offset >= file_size) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping insert range behind EOF\n");
log4(OP_SKIPPED, OP_INSERT_RANGE, offset, length);
return;
}
log4(OP_INSERT_RANGE, offset, length, 0);
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
@@ -1120,14 +1183,25 @@ docloseopen(void)
}
}
#define TRIM_OFF_LEN(off, len, size) \
do { \
if (size) \
(off) %= (size); \
else \
(off) = 0; \
if ((off) + (len) > (size)) \
(len) = (size) - (off); \
#define TRIM_OFF(off, size) \
do { \
if (size) \
(off) %= (size); \
else \
(off) = 0; \
} while (0)
#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
@@ -1195,6 +1269,12 @@ test(void)
goto out;
}
break;
case OP_INSERT_RANGE:
if (!insert_range_calls) {
log4(OP_SKIPPED, OP_INSERT_RANGE, offset, size);
goto out;
}
break;
}
switch (op) {
@@ -1247,6 +1327,22 @@ test(void)
}
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_SKIPPED, OP_INSERT_RANGE, offset, size);
goto out;
}
if (file_size + size > maxfilelen) {
log4(OP_SKIPPED, OP_INSERT_RANGE, offset, size);
goto out;
}
do_insert_range(offset, size);
break;
default:
prterr("test: unknown operation");
report_failure(42);
@@ -1310,6 +1406,9 @@ usage(void)
#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\
-O: use oplen (see -o flag) for every op (default random)\n\
@@ -1496,7 +1595,7 @@ main(int argc, char **argv)
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:FKHzCLN:OP:RS:WZ"))
while ((ch = getopt(argc, argv, "b:c:dfl:m:no:p:qr:s:t:w:xyAD:FKHzCILN:OP:RS:WZ"))
!= EOF)
switch (ch) {
case 'b':
@@ -1605,6 +1704,9 @@ main(int argc, char **argv)
case 'C':
collapse_range_calls = 0;
break;
case 'I':
insert_range_calls = 0;
break;
case 'L':
lite = 1;
break;
@@ -1766,6 +1868,8 @@ main(int argc, char **argv)
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();