mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Dave Chinner
cf89aed924
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
165 lines
3.1 KiB
Bash
Executable File
165 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright 2010 (C) Red Hat, Inc., Lukas Czerner <lczerner@redhat.com>
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#
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# FS QA Test No. 251
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#
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# This test was created in order to verify filesystem FITRIM implementation.
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# By many concurrent copy and remove operations and checking that files
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# does not change after copied into SCRATCH_MNT test if FITRIM implementation
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# corrupts the filesystem (data/metadata).
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=`mktemp -d`
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 3
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trap "_destroy; exit \$status" 2 15
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chpid=0
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mypid=$$
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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_scratch_mkfs >/dev/null 2>&1
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_scratch_mount
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_require_batched_discard $SCRATCH_MNT
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_cleanup()
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{
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rm -rf $tmp
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}
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_destroy()
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{
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kill $pids $fstrim_pid 2> /dev/null
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wait $pids $fstrim_pid 2> /dev/null
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rm -rf $tmp
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}
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_destroy_fstrim()
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{
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kill $fpid 2> /dev/null
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wait $fpid 2> /dev/null
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}
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_fail()
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{
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echo "$1"
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kill $mypid 2> /dev/null
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}
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_guess_max_minlen()
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{
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mmlen=100000
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while [ $mmlen -gt 1 ]; do
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$FSTRIM_PROG -l $(($mmlen*2))k -m ${mmlen}k $SCRATCH_MNT &> /dev/null && break
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mmlen=$(($mmlen/2))
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done
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echo $mmlen
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}
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##
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# Background FSTRIM loop. We are trimming the device in the loop and for
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# test coverage, we are doing whole device trim followed by several smaller
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# trims.
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##
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fstrim_loop()
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{
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trap "_destroy_fstrim; exit \$status" 2 15
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fsize=$($DF_PROG | grep $SCRATCH_MNT | grep $SCRATCH_DEV | awk '{print $3}')
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mmlen=$(_guess_max_minlen)
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while true ; do
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step=$((RANDOM*$RANDOM+4))
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minlen=$(((RANDOM*($RANDOM%2+1))%$mmlen))
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start=$RANDOM
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if [ $((RANDOM%10)) -gt 7 ]; then
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$FSTRIM_PROG $SCRATCH_MNT &
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fpid=$!
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wait $fpid
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fi
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while [ $start -lt $fsize ] ; do
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$FSTRIM_PROG -m ${minlen}k -o ${start}k -l ${step}k $SCRATCH_MNT &
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fpid=$!
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wait $fpid
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start=$(( $start + $step ))
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done
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done
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}
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function check_sums() {
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(
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cd $SCRATCH_MNT/$p
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find -P . -xdev -type f -print0 | xargs -0 md5sum | sort -o $tmp/stress.$$.$p
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)
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diff $tmp/content.sums $tmp/stress.$$.$p
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if [ $? -ne 0 ]; then
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_fail "!!!Checksums has changed - Filesystem possibly corrupted!!!\n"
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fi
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rm -f $tmp/stress.$$.$p
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}
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function run_process() {
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local p=$1
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repeat=10
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sleep $((5*$p))s &
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export chpid=$! && wait $chpid &> /dev/null
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chpid=0
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while [ $repeat -gt 0 ]; do
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# Remove old directories.
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rm -rf $SCRATCH_MNT/$p
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export chpid=$! && wait $chpid &> /dev/null
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# Copy content -> partition.
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mkdir $SCRATCH_MNT/$p
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cp -axT $content/ $SCRATCH_MNT/$p/
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export chpid=$! && wait $chpid &> /dev/null
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check_sums
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repeat=$(( $repeat - 1 ))
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done
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}
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nproc=20
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content=$here
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mkdir -p $tmp
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(
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cd $content
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find -P . -xdev -type f -print0 | xargs -0 md5sum | sort -o $tmp/content.sums
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)
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echo -n "Running the test: "
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pids=""
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fstrim_loop &
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fstrim_pid=$!
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p=1
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while [ $p -le $nproc ]; do
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run_process $p &
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pids="$pids $!"
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p=$(($p+1))
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done
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echo "done."
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wait $pids
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kill $fstrim_pid
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wait $fstrim_pid
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status=0
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exit
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