| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2015 Fujitsu. All Rights Reserved. |
| # |
| # FS QA Test No. 072 |
| # |
| # Test truncate/collapse range race. |
| # And this test is also a regression test for kernel commit 23fffa9, |
| # fs: move falloc collapse range check into the filesystem methods |
| # If the race occurs, it will trigger a BUG_ON(). |
| # |
| . ./common/preamble |
| _begin_fstest auto metadata stress collapse |
| |
| # Import common functions. |
| . ./common/filter |
| |
| _require_test |
| _require_xfs_io_command "fcollapse" |
| |
| testfile=$TEST_DIR/testfile.$seq |
| NCPUS=`$here/src/feature -o` |
| # cap NCPUS to 8 at maximum to avoid long run time on hosts with many cpus |
| if [ $NCPUS -gt 8 ]; then |
| NCPUS=8 |
| fi |
| OUTER_LOOPS=$((10 * $NCPUS * $LOAD_FACTOR)) |
| INNER_LOOPS=$((50 * $NCPUS * $LOAD_FACTOR)) |
| # fcollapse/truncate continuously and simultaneously a same file |
| for ((i=1; i <= OUTER_LOOPS; i++)); do |
| for ((i=1; i <= INNER_LOOPS; i++)); do |
| $XFS_IO_PROG -f -c 'truncate 100k' \ |
| -c 'fcollapse 0 16k' $testfile > /dev/null 2>&1 |
| done & |
| for ((i=1; i <= INNER_LOOPS; i++)); do |
| $XFS_IO_PROG -f -c 'truncate 0' $testfile > /dev/null 2>&1 |
| done & |
| done |
| wait |
| |
| echo "Silence is golden" |
| status=0 |
| exit |
