##/bin/bash # SPDX-License-Identifier: GPL-2.0 # Copyright (c) 2007 Silicon Graphics, Inc. All Rights Reserved. # # common functions for excersizing hole punches with extent size hints etc. _spawn_test_file() { echo "# spawning test file with $*" local blksize=$1 local file_size=`expr $2 \* $blksize` local extent_size_hint=`expr $3 \* $blksize` local test_file=$4 local reserve_space=$5 if [ $extent_size_hint -ne 0 ]; then echo "+ setting extent size hint to $extent_size_hint" $XFS_IO_PROG -f \ -c "extsize $extent_size_hint" \ $test_file fi # print extent size hint for $test_file $XFS_IO_PROG -f \ -c "extsize" \ $test_file if [ "$reserve_space" == "noresv" ]; then echo "+ not using resvsp at file creation" $XFS_IO_PROG -f \ -c "truncate $file_size" \ $test_file else $XFS_IO_PROG -f \ -c "truncate $file_size" \ -c "resvsp 0 $file_size" \ $test_file fi } _do_write() { echo "# writing with $*" local blksize=$1 local write_offset=`expr $2 \* $blksize` local write_size=`expr $3 \* $blksize` local test_file=$4 $XFS_IO_PROG -f \ -c "pwrite $write_offset $write_size" \ $test_file >/dev/null } _do_bmap() { echo "# showing file state $*" local test_file=$1 $XFS_IO_PROG -f \ -c "bmap -vvp" \ $test_file } _coalesce_extents() { block_size=$1 [[ -z $block_size ]] && block_size=512 awk -v block_size="$block_size" -F: ' { range = $2; type = $3; split(range, bounds, "[\\[ \\.\\]]"); low = bounds[3]; high = bounds[5]; if (type != prev_type) { if (prev_type != "") printf("%u]:%s\n", (low * 512 / block_size) - 1, prev_type); printf("%u: [%u..", out_count++, (low * 512) / block_size); prev_type = type; } } END { if (prev_type != "") printf("%u]:%s\n", ((high + 1) * 512 / block_size) - 1, prev_type); }' } _filter_fiemap() { block_size=$1 $AWK_PROG ' $3 ~ /hole/ { print $1, $2, $3; next; } $5 ~ /0x[[:xdigit:]]*8[[:xdigit:]][[:xdigit:]]/ { print $1, $2, "unwritten"; next; } $5 ~ /0x[[:xdigit:]]+/ { print $1, $2, "data"; }' | _coalesce_extents $block_size } _filter_fiemap_flags() { $AWK_PROG ' $3 ~ /hole/ { print $1, $2, $3; next; } $5 ~ /0x[[:xdigit:]]*8[[:xdigit:]][[:xdigit:]]/ { print $1, $2, "unwritten"; next; } $5 ~ /0x[[:xdigit:]]+/ { print $1, $2, $5; }' | _coalesce_extents } # Filters fiemap output to only print the # file offset column and whether or not # it is an extent or a hole _filter_hole_fiemap() { $AWK_PROG ' $3 ~ /hole/ { print $1, $2, $3; next; } $5 ~ /0x[[:xdigit:]]+/ { print $1, $2, "extent"; }' | _coalesce_extents } # 10000 Unwritten preallocated extent # 01000 Doesn't begin on stripe unit # 00100 Doesn't end on stripe unit # 00010 Doesn't begin on stripe width # 00001 Doesn't end on stripe width _filter_bmap() { awk ' $3 ~ /hole/ { print $1, $2, $3; next; } $7 ~ /1[01][01][01][01]/ { print $1, $2, "unwritten"; next; } $7 ~ /0[01][01][01][01]/ { print $1, $2, "data" }' | _coalesce_extents } die_now() { status=1 exit } # test the different corner cases for zeroing a range: # # 1. into a hole # 2. into allocated space # 3. into unwritten space # 4. hole -> data # 5. hole -> unwritten # 6. data -> hole # 7. data -> unwritten # 8. unwritten -> hole # 9. unwritten -> data # 10. hole -> data -> hole # 11. data -> hole -> data # 12. unwritten -> data -> unwritten # 13. data -> unwritten -> data # 14. data -> hole @ EOF # 15. data -> hole @ 0 # 16. data -> cache cold ->hole # 17. data -> hole in single block file # # Test file is removed, created and sync'd between tests. # # Use -k flag to keep the file between tests. This will # test the handling of pre-existing holes. # # Use the -d flag to not sync the file between tests. # This will test the handling of delayed extents # # Use the -u flag to not run unwritten tests. # This will eliminate some unnecessary information. # _test_generic_punch() { remove_testfile=1 sync_cmd="-c fsync" unwritten_tests=1 OPTIND=1 while getopts 'dku' OPTION do case $OPTION in k) remove_testfile= ;; d) sync_cmd= ;; u) unwritten_tests= ;; ?) echo Invalid flag exit 1 ;; esac done shift $(($OPTIND - 1)) alloc_cmd=$1 punch_cmd=$2 zero_cmd=$3 #if not testing zero just set to punch map_cmd=$4 filter_cmd=$5 testfile=$6 # The punch hole tests needs multiple of the largest extent size being # tested, with multiple=16 it can test extent size upto 64k. multiple=16 _4k="$((multiple * 4))k" _8k="$((multiple * 8))k" _12k="$((multiple * 12))k" _20k="$((multiple * 20))k" # initial test state must be defined, otherwise the first test can fail # due ot stale file state left from previous tests. rm -f $testfile echo " 1. into a hole" $XFS_IO_PROG -f -c "truncate $_20k" \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile echo " 2. into allocated space" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite 0 $_20k" $sync_cmd \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile if [ "$unwritten_tests" ]; then echo " 3. into unwritten space" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "$alloc_cmd 0 $_20k" \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile fi echo " 4. hole -> data" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite $_8k $_8k" $sync_cmd \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile if [ "$unwritten_tests" ]; then echo " 5. hole -> unwritten" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "$alloc_cmd $_8k $_8k" \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile fi echo " 6. data -> hole" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite 0 $_8k" $sync_cmd \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile if [ "$unwritten_tests" ]; then echo " 7. data -> unwritten" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite 0 $_8k" $sync_cmd \ -c "$alloc_cmd $_8k $_8k" \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile echo " 8. unwritten -> hole" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "$alloc_cmd 0 $_8k" \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile echo " 9. unwritten -> data" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "$alloc_cmd 0 $_8k" \ -c "pwrite $_8k $_8k" $sync_cmd \ -c "$zero_cmd $_4k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile fi echo " 10. hole -> data -> hole" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite $_8k $_4k" $sync_cmd \ -c "$zero_cmd $_4k $_12k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile echo " 11. data -> hole -> data" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "$alloc_cmd 0 $_20k" \ -c "pwrite 0 $_8k" \ -c "pwrite $_12k $_8k" $sync_cmd \ -c "$punch_cmd $_8k $_4k" \ -c "$zero_cmd $_4k $_12k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile if [ "$unwritten_tests" ]; then echo " 12. unwritten -> data -> unwritten" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "$alloc_cmd 0 $_20k" \ -c "pwrite $_8k $_4k" $sync_cmd \ -c "$zero_cmd $_4k $_12k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile echo " 13. data -> unwritten -> data" if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "$alloc_cmd 0 $_20k" \ -c "pwrite 0k $_4k" $sync_cmd \ -c "pwrite $_12k $_8k" -c "fsync" \ -c "$zero_cmd $_4k $_12k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile fi # Don't need to check EOF case for collapse range. # VFS layer return invalid error in this case, # So it is not a proper case for collapse range test of each local fs. if [ "$zero_cmd" != "fcollapse" ]; then echo " 14. data -> hole @ EOF" rm -f $testfile $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite 0 $_20k" $sync_cmd \ -c "$zero_cmd $_12k $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile fi if [ "$zero_cmd" == "fcollapse" ]; then echo " 14. data -> hole @ 0" else echo " 15. data -> hole @ 0" fi if [ "$remove_testfile" ]; then rm -f $testfile fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite 0 $_20k" $sync_cmd \ -c "$zero_cmd 0 $_8k" \ -c "$map_cmd -v" $testfile | $filter_cmd [ $? -ne 0 ] && die_now _md5_checksum $testfile # If zero_cmd is fcollpase, don't check unaligned offsets if [ "$zero_cmd" == "fcollapse" ]; then return fi # If zero_cmd is finsert, don't check unaligned offsets if [ "$zero_cmd" == "finsert" ]; then return fi echo " 16. data -> cache cold ->hole" if [ "$remove_testfile" ]; then rm -f $testfile rm -f $testfile.2 else cp $testfile $testfile.2 fi $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite $_8k $_12k" -c "fsync" $testfile.2 \ > /dev/null $XFS_IO_PROG -f -c "truncate $_20k" \ -c "pwrite 0 $_20k" $sync_cmd \ -c "$zero_cmd 0k $_8k" \ -c "fadvise -d" \ -c "$map_cmd -v" $testfile | $filter_cmd diff $testfile $testfile.2 [ $? -ne 0 ] && die_now rm -f $testfile.2 _md5_checksum $testfile # different file sizes mean we can't use md5sum to check the hole is # valid. Hence use hexdump to dump the contents and chop off the last # line of output that indicates the file size. We also have to fudge # the extent size as that will change with file size, too - that's what # the sed line noise does - it will always result in an output of [0..7] # so it matches 4k block size... echo " 17. data -> hole in single block file" if [ "$remove_testfile" ]; then rm -f $testfile fi block_size=`_get_block_size $TEST_DIR` $XFS_IO_PROG -f -c "truncate $block_size" \ -c "pwrite 0 $block_size" $sync_cmd \ -c "$zero_cmd 128 128" \ -c "$map_cmd -v" $testfile | $filter_cmd | \ sed -e "s/\.\.[0-9]*\]/..7\]/" [ $? -ne 0 ] && die_now od -x $testfile | head -n -1 } _test_block_boundaries() { remove_testfile=1 sync_cmd="-c fsync" unwritten_tests=1 OPTIND=1 while getopts 'dk' OPTION do case $OPTION in k) remove_testfile= ;; d) sync_cmd= ;; ?) echo Invalid flag exit 1 ;; esac done shift $(($OPTIND - 1)) bs=$1 zero_cmd=$2 filter_cmd=$3 testfile=$4 # Block size plus 1 bs_p1=$(($bs + 1)) # Block size plus 2 bs_p2=$(($bs + 2)) # Block size minus 1 bs_m1=$(($bs - 1)) # Block size multiplied by 2 bs_t2=$(($bs * 2)) # Block size divided by 2 bs_d2=$(($bs / 2)) echo "zero 0, 1" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd 0 1" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd echo "zero 0, $bs_m1" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd 0 $bs_m1" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd echo "zero 0, $bs" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd 0 $bs" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd echo "zero 0, $bs_p1" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd 0 $bs_p1" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd echo "zero $bs_m1, $bs" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd $bs_m1 $bs" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd echo "zero $bs_m1, $bs_p1" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd $bs_m1 $bs_p1" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd echo "zero $bs_m1, $bs_p2" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd $bs_m1 $bs_p2" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd echo "zero $bs, $bs" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd $bs $bs" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd echo "zero $bs_d2 , $bs" $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 $bs" \ -c "pwrite -S 0x42 $bs $bs" \ -c "$zero_cmd $bs_d2 $bs" \ -c "pread -v 0 $bs_t2" \ $testfile | $filter_cmd }