3 # Copyright (c) 2007 Silicon Graphics, Inc. All Rights Reserved.
5 # This program is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU General Public License as
7 # published by the Free Software Foundation.
9 # This program is distributed in the hope that it would be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write the Free Software Foundation,
16 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 # common functions for excersizing hole punches with extent size hints etc.
21 # source dmap_scratch_mount etc.
25 echo "# spawning test file with $*"
27 local file_size=`expr $2 \* $blksize`
28 local extent_size_hint=`expr $3 \* $blksize`
30 local reserve_space=$5
32 if [ $extent_size_hint -ne 0 ]; then
33 echo "+ setting extent size hint to $extent_size_hint"
35 -c "extsize $extent_size_hint" \
38 # print extent size hint for $test_file
43 if [ "$reserve_space" == "noresv" ]; then
44 echo "+ not using resvsp at file creation"
46 -c "truncate $file_size" \
50 -c "truncate $file_size" \
51 -c "resvsp 0 $file_size" \
57 echo "# punching with $*"
58 # punch or bite the ear off $test_file to create a hole
60 local punch_offset=`expr $2 \* $blksize`
61 local punch_size=`expr $3 \* $blksize`
62 local punch_type=$4 # u for unresvsp, d for dm_punch
65 if [ "$punch_type" == "u" ]; then
66 echo "+ hole punch using unresvsp"
68 -c "unresvsp $punch_offset $punch_size" \
71 if [ "$punch_type" == "d" ]; then
72 echo "+ hole punch using dmapi punch_hole"
73 ${DMAPI_QASUITE1_DIR}cmd/punch_hole -o $punch_offset -l $punch_size \
74 ${SCRATCH_MNT}/$test_file
79 echo "# writing with $*"
81 local write_offset=`expr $2 \* $blksize`
82 local write_size=`expr $3 \* $blksize`
86 -c "pwrite $write_offset $write_size" \
91 echo "# showing file state $*"
100 echo "# testing $* ..."
102 # all points and sizes below are in terms of filesystem blocks
103 local extsize_hint_blks=$2 # extent size hint in FS blocks, 0=do not set
104 local file_size_blks=$3 # the file size in blocks
105 local punch_points_blks=( $4 ) # array of places to punch holes in the file
106 local punch_sizes_blks=( $5 ) # array of size of each punch in blocks
107 local punch_types=( $6 ) # array of u=unresvsp or d=dm_punch
108 local write_points_blks=( $7 ) # array of places to pwrite in the file
109 local write_sizes_blks=( $8 ) # array of size of each write
111 local punch_write_order=( $9 ) # array of punch/write operation order
112 # e.g. "w p w w p" means: do 1st write...
113 # then 1st punch, 2nd & 3rd write, 2nd punch
114 local resvsp=${10} # if "noresv" then don't resvsp on file create
115 local filename=punch_test_file
118 umount $SCRATCH_MNT >/dev/null 2>&1
120 _scratch_mkfs_xfs -bsize=$blksize >/dev/null 2>&1 \
121 || _fail "mkfs failed"
123 local this_punch_type=""
124 local dmap_punch_used=0
125 for this_punch_type in "${punch_types[@]}"; do
126 [ "$this_punch_type" == "d" ] && dmap_punch_used=1
128 if [ $dmap_punch_used -ne 0 ]; then
129 # a punch type of dm_punch has been specified, do a dmapi mount
130 echo "+ mounting with dmapi enabled"
133 # only unresvsp punch type is used, just do a normal mount
134 _scratch_mount || _fail "mount failed"
139 # check a size is specified for each punch
140 [ ${#punch_points_blks[*]} -eq ${#punch_sizes_blks[*]} ] \
141 || _fail "num punch points given does not equal num punch sizes"
143 # check a type is specified for each punch
144 [ ${#punch_points_blks[*]} -eq ${#punch_types[*]} ] \
145 || _fail "num punch points given does not equal num punch types"
147 # check a size is specified for each write
148 [ ${#write_points_blks[*]} -eq ${#write_sizes_blks[*]} ] \
149 || _fail "num write points given does not equal num write sizes"
151 # check punch_write_order operations match number of punches + writes
152 local total_pw_operations=`expr ${#punch_points_blks[*]} + ${#write_points_blks[*]}`
153 [ $total_pw_operations -eq ${#punch_write_order[*]} ] \
154 || _fail "punch_write_order ops doesn't match number of punches + writes"
156 # create the file and setup extent size hint
157 _spawn_test_file $blksize $file_size_blks $extsize_hint_blks $filename $resvsp
159 # do the writes and punches
163 for operation in "${punch_write_order[@]}"; do
164 if [ "$operation" == "p" ]; then
165 _do_punch $blksize ${punch_points_blks[$punch_index]} \
166 ${punch_sizes_blks[$punch_index]} ${punch_types[$punch_index]} \
168 punch_index=`expr $punch_index + 1`
170 if [ "$operation" == "w" ]; then
171 _do_write $blksize ${write_points_blks[$write_index]} \
172 ${write_sizes_blks[$write_index]} $filename
173 write_index=`expr $write_index + 1`
176 _do_bmap $filename # print out the state of the file
187 split(range, bounds, "[\\[ \\.\\]]");
191 if (type != prev_type) {
193 printf("%u]:%s\n", low - 1, prev_type);
194 printf("%u: [%u..", out_count++, low);
200 printf("%u]:%s\n", high, prev_type);
211 $5 ~ /0x[[:xdigit:]]*8[[:xdigit:]]{2}/ {
212 print $1, $2, "unwritten";
215 $5 ~ /0x[[:xdigit:]]+/ {
216 print $1, $2, "data";
221 # Filters fiemap output to only print the
222 # file offset column and whether or not
223 # it is an extent or a hole
224 _filter_hole_fiemap()
231 $5 ~ /0x[[:xdigit:]]+/ {
232 print $1, $2, "extent";
245 print $1, $2, "unwritten";
260 # test the different corner cases for zeroing a range:
263 # 2. into allocated space
264 # 3. into unwritten space
266 # 5. hole -> unwritten
268 # 7. data -> unwritten
269 # 8. unwritten -> hole
270 # 9. unwritten -> data
271 # 10. hole -> data -> hole
272 # 11. data -> hole -> data
273 # 12. unwritten -> data -> unwritten
274 # 13. data -> unwritten -> data
275 # 14. data -> hole @ EOF
276 # 15. data -> hole @ 0
277 # 16. data -> cache cold ->hole
278 # 17. data -> hole in single block file
280 # Test file is removed, created and sync'd between tests.
282 # Use -k flag to keep the file between tests. This will
283 # test the handling of pre-existing holes.
285 # Use the -d flag to not sync the file between tests.
286 # This will test the handling of delayed extents
288 # Use the -u flag to not run unwritten tests.
289 # This will eliminate some unnecessary information.
291 _test_generic_punch()
298 while getopts 'dku' OPTION
312 shift $(($OPTIND - 1))
316 zero_cmd=$3 #if not testing zero just set to punch
323 # If we are testing collapse range, we increare all the offsets of this
324 # test by a factor of 4. We do this because unlike punch, collapse
325 # range also decreases the size of file hence require bigger offsets.
327 if [ "$zero_cmd" == "fcollapse" ]; then
331 _4k="$((multiple * 4))k"
332 _8k="$((multiple * 8))k"
333 _12k="$((multiple * 12))k"
334 _20k="$((multiple * 20))k"
336 # initial test state must be defined, otherwise the first test can fail
337 # due ot stale file state left from previous tests.
340 echo " 1. into a hole"
341 $XFS_IO_PROG -f -c "truncate $_20k" \
342 -c "$zero_cmd $_4k $_8k" \
343 -c "$map_cmd -v" $testfile | $filter_cmd
344 [ $? -ne 0 ] && die_now
345 _md5_checksum $testfile
347 echo " 2. into allocated space"
348 if [ "$remove_testfile" ]; then
351 $XFS_IO_PROG -f -c "truncate $_20k" \
352 -c "pwrite 0 $_20k" $sync_cmd \
353 -c "$zero_cmd $_4k $_8k" \
354 -c "$map_cmd -v" $testfile | $filter_cmd
355 [ $? -ne 0 ] && die_now
356 _md5_checksum $testfile
358 if [ "$unwritten_tests" ]; then
359 echo " 3. into unwritten space"
360 if [ "$remove_testfile" ]; then
363 $XFS_IO_PROG -f -c "truncate $_20k" \
364 -c "$alloc_cmd 0 $_20k" \
365 -c "$zero_cmd $_4k $_8k" \
366 -c "$map_cmd -v" $testfile | $filter_cmd
367 [ $? -ne 0 ] && die_now
368 _md5_checksum $testfile
371 echo " 4. hole -> data"
372 if [ "$remove_testfile" ]; then
375 $XFS_IO_PROG -f -c "truncate $_20k" \
376 -c "pwrite $_8k $_8k" $sync_cmd \
377 -c "$zero_cmd $_4k $_8k" \
378 -c "$map_cmd -v" $testfile | $filter_cmd
379 [ $? -ne 0 ] && die_now
380 _md5_checksum $testfile
382 if [ "$unwritten_tests" ]; then
383 echo " 5. hole -> unwritten"
384 if [ "$remove_testfile" ]; then
387 $XFS_IO_PROG -f -c "truncate $_20k" \
388 -c "$alloc_cmd $_8k $_8k" \
389 -c "$zero_cmd $_4k $_8k" \
390 -c "$map_cmd -v" $testfile | $filter_cmd
391 [ $? -ne 0 ] && die_now
392 _md5_checksum $testfile
395 echo " 6. data -> hole"
396 if [ "$remove_testfile" ]; then
399 $XFS_IO_PROG -f -c "truncate $_20k" \
400 -c "pwrite 0 $_8k" $sync_cmd \
401 -c "$zero_cmd $_4k $_8k" \
402 -c "$map_cmd -v" $testfile | $filter_cmd
403 [ $? -ne 0 ] && die_now
404 _md5_checksum $testfile
406 if [ "$unwritten_tests" ]; then
407 echo " 7. data -> unwritten"
408 if [ "$remove_testfile" ]; then
411 $XFS_IO_PROG -f -c "truncate $_20k" \
412 -c "pwrite 0 $_8k" $sync_cmd \
413 -c "$alloc_cmd $_8k $_8k" \
414 -c "$zero_cmd $_4k $_8k" \
415 -c "$map_cmd -v" $testfile | $filter_cmd
416 [ $? -ne 0 ] && die_now
417 _md5_checksum $testfile
419 echo " 8. unwritten -> hole"
420 if [ "$remove_testfile" ]; then
423 $XFS_IO_PROG -f -c "truncate $_20k" \
424 -c "$alloc_cmd 0 $_8k" \
425 -c "$zero_cmd $_4k $_8k" \
426 -c "$map_cmd -v" $testfile | $filter_cmd
427 [ $? -ne 0 ] && die_now
428 _md5_checksum $testfile
430 echo " 9. unwritten -> data"
431 if [ "$remove_testfile" ]; then
434 $XFS_IO_PROG -f -c "truncate $_20k" \
435 -c "$alloc_cmd 0 $_8k" \
436 -c "pwrite $_8k $_8k" $sync_cmd \
437 -c "$zero_cmd $_4k $_8k" \
438 -c "$map_cmd -v" $testfile | $filter_cmd
439 [ $? -ne 0 ] && die_now
440 _md5_checksum $testfile
443 echo " 10. hole -> data -> hole"
444 if [ "$remove_testfile" ]; then
447 $XFS_IO_PROG -f -c "truncate $_20k" \
448 -c "pwrite $_8k $_4k" $sync_cmd \
449 -c "$zero_cmd $_4k $_12k" \
450 -c "$map_cmd -v" $testfile | $filter_cmd
451 [ $? -ne 0 ] && die_now
452 _md5_checksum $testfile
454 echo " 11. data -> hole -> data"
455 if [ "$remove_testfile" ]; then
458 $XFS_IO_PROG -f -c "truncate $_20k" \
459 -c "$alloc_cmd 0 $_20k" \
461 -c "pwrite $_12k $_8k" $sync_cmd \
462 -c "$punch_cmd $_8k $_4k" \
463 -c "$zero_cmd $_4k $_12k" \
464 -c "$map_cmd -v" $testfile | $filter_cmd
465 [ $? -ne 0 ] && die_now
466 _md5_checksum $testfile
468 if [ "$unwritten_tests" ]; then
469 echo " 12. unwritten -> data -> unwritten"
470 if [ "$remove_testfile" ]; then
473 $XFS_IO_PROG -f -c "truncate $_20k" \
474 -c "$alloc_cmd 0 $_20k" \
475 -c "pwrite $_8k $_4k" $sync_cmd \
476 -c "$zero_cmd $_4k $_12k" \
477 -c "$map_cmd -v" $testfile | $filter_cmd
478 [ $? -ne 0 ] && die_now
479 _md5_checksum $testfile
481 echo " 13. data -> unwritten -> data"
482 if [ "$remove_testfile" ]; then
485 $XFS_IO_PROG -f -c "truncate $_20k" \
486 -c "$alloc_cmd 0 $_20k" \
487 -c "pwrite 0k $_4k" $sync_cmd \
488 -c "pwrite $_12k $_8k" -c "fsync" \
489 -c "$zero_cmd $_4k $_12k" \
490 -c "$map_cmd -v" $testfile | $filter_cmd
491 [ $? -ne 0 ] && die_now
492 _md5_checksum $testfile
495 # Don't need to check EOF case for collapse range.
496 # VFS layer return invalid error in this case,
497 # So it is not a proper case for collapse range test of each local fs.
498 if [ "$zero_cmd" != "fcollapse" ]; then
499 echo " 14. data -> hole @ EOF"
501 $XFS_IO_PROG -f -c "truncate $_20k" \
502 -c "pwrite 0 $_20k" $sync_cmd \
503 -c "$zero_cmd $_12k $_8k" \
504 -c "$map_cmd -v" $testfile | $filter_cmd
505 [ $? -ne 0 ] && die_now
506 _md5_checksum $testfile
509 if [ "$zero_cmd" == "fcollapse" ]; then
510 echo " 14. data -> hole @ 0"
512 echo " 15. data -> hole @ 0"
515 if [ "$remove_testfile" ]; then
518 $XFS_IO_PROG -f -c "truncate $_20k" \
519 -c "pwrite 0 $_20k" $sync_cmd \
520 -c "$zero_cmd 0 $_8k" \
521 -c "$map_cmd -v" $testfile | $filter_cmd
522 [ $? -ne 0 ] && die_now
523 _md5_checksum $testfile
525 # If zero_cmd is fcollpase, don't check unaligned offsets
526 if [ "$zero_cmd" == "fcollapse" ]; then
530 echo " 16. data -> cache cold ->hole"
531 if [ "$remove_testfile" ]; then
535 cp $testfile $testfile.2
537 $XFS_IO_PROG -f -c "truncate $_20k" \
538 -c "pwrite $_8k $_12k" -c "fsync" $testfile.2 \
540 $XFS_IO_PROG -f -c "truncate $_20k" \
541 -c "pwrite 0 $_20k" $sync_cmd \
542 -c "$zero_cmd 0k $_8k" \
544 -c "$map_cmd -v" $testfile | $filter_cmd
545 diff $testfile $testfile.2
546 [ $? -ne 0 ] && die_now
548 _md5_checksum $testfile
550 # different file sizes mean we can't use md5sum to check the hole is
551 # valid. Hence use hexdump to dump the contents and chop off the last
552 # line of output that indicates the file size. We also have to fudge
553 # the extent size as that will change with file size, too - that's what
554 # the sed line noise does - it will always result in an output of [0..7]
555 # so it matches 4k block size...
556 echo " 17. data -> hole in single block file"
557 if [ "$remove_testfile" ]; then
560 block_size=`stat -f $TEST_DIR | grep "Block size" | cut -d " " -f3`
561 $XFS_IO_PROG -f -c "truncate $block_size" \
562 -c "pwrite 0 $block_size" $sync_cmd \
563 -c "$zero_cmd 128 128" \
564 -c "$map_cmd -v" $testfile | $filter_cmd | \
565 sed -e "s/\.\.[0-9]*\]/..7\]/"
566 [ $? -ne 0 ] && die_now
567 od -x $testfile | head -n -1