| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved. |
| # |
| # FS QA Test No. 297 |
| # |
| # See how well reflink handles ^C in the middle of a slow reflink. |
| # |
| . ./common/preamble |
| _begin_fstest auto clone |
| |
| # Override the default cleanup function. |
| _cleanup() |
| { |
| cd / |
| rm -rf $tmp.* $TEST_DIR/before $TEST_DIR/after |
| } |
| |
| # Import common functions. |
| . ./common/filter |
| . ./common/attr |
| . ./common/reflink |
| |
| # real QA test starts here |
| _require_scratch_reflink |
| _require_cp_reflink |
| _require_command "$TIMEOUT_PROG" "timeout" |
| |
| test $FSTYP == "nfs" && _notrun "NFS can't interrupt clone operations" |
| |
| echo "Format and mount" |
| _scratch_mkfs > $seqres.full 2>&1 |
| _scratch_mount >> $seqres.full 2>&1 |
| |
| testdir=$SCRATCH_MNT/test-$seq |
| mkdir $testdir |
| |
| echo "Create a one block file" |
| blksz="$(_get_block_size $testdir)" |
| _pwrite_byte 0x61 0 $blksz $testdir/file1 >> $seqres.full |
| |
| fnr=26 # 2^26 reflink extents should be enough to find a slow op? |
| timeout=8 # guarantee a good long run... |
| echo "Find a reflink size that takes a long time" |
| truncate -s $(( (2 ** i) * blksz)) $testdir/file1 |
| for i in $(seq 0 $fnr); do |
| echo " ++ Reflink size $i, $((2 ** i)) blocks" >> $seqres.full |
| n=$(( (2 ** i) * blksz)) |
| touch $TEST_DIR/before |
| $XFS_IO_PROG -f -c "reflink $testdir/file1 0 $n $n" $testdir/file1 >> $seqres.full 2>&1 |
| touch $TEST_DIR/after |
| before=$(stat -c '%Y' $TEST_DIR/before) |
| after=$(stat -c '%Y' $TEST_DIR/after) |
| delta=$((after - before)) |
| test $delta -gt $timeout && break |
| done |
| |
| echo "Try to kill reflink after a shorter period of time" |
| kill_after=2 # give us a shorter time to die |
| n=$(_get_filesize $testdir/file1) |
| echo "performing kill test on $n bytes..." >> $seqres.full |
| touch $TEST_DIR/before |
| $TIMEOUT_PROG -s INT ${kill_after}s $XFS_IO_PROG -f -c "reflink $testdir/file1 0 $n $n" $testdir/file1 >> $seqres.full 2>&1 |
| touch $TEST_DIR/after |
| before=$(stat -c '%Y' $TEST_DIR/before) |
| after=$(stat -c '%Y' $TEST_DIR/after) |
| delta=$((after - before)) |
| echo "reflink of $n bytes took $delta seconds" >> $seqres.full |
| test $delta -gt $timeout && _fail "reflink didn't stop in time, n=$n t=$delta" |
| |
| echo "Check scratch fs" |
| sleep 2 # give it a few seconds to actually die... |
| |
| # success, all done |
| status=0 |
| exit |