mirror of
https://github.com/linux-apfs/apfstests.git
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Dave Chinner
cf89aed924
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
84 lines
2.0 KiB
Bash
Executable File
84 lines
2.0 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2018 Oracle. All Rights Reserved.
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#
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# FS QA Test No. 497
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#
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# Test various swapfile activation oddities, having used fcollapse to
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# create discontiguous ranges in the file.
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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=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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swapoff $swapfile 2> /dev/null
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rm -f $tmp.*
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}
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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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# remove previous $seqres.full before test
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rm -f $seqres.full
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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_swapfile
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_require_test_program mkswap
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_require_test_program swapon
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_require_xfs_io_command "fcollapse"
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rm -f $seqres.full
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount >>$seqres.full 2>&1
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swapfile=$SCRATCH_MNT/swap
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len=$((2 * 1048576))
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page_size=$(get_page_size)
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swapfile_cycle() {
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local swapfile="$1"
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# Swap files must be nocow on Btrfs.
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$CHATTR_PROG +C $swapfile >> $seqres.full 2>&1
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"$here/src/mkswap" $swapfile >> $seqres.full
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"$here/src/swapon" $swapfile 2>&1 | _filter_scratch
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swapoff $swapfile 2>> $seeqres.full
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rm -f $swapfile
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}
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# Create a swap file with a large discontiguous range(?)
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echo "large discontig swap" | tee -a $seqres.full
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_pwrite_byte 0x58 0 $((len * 2)) $swapfile >> $seqres.full
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old_sz="$(stat -c '%s' $swapfile)"
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$XFS_IO_PROG -c "fcollapse $((len / 2)) $len" $swapfile >> $seqres.full 2>&1
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new_sz="$(stat -c '%s' $swapfile)"
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if [ $old_sz -gt $new_sz ]; then
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swapfile_cycle $swapfile
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fi
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rm -f $swapfile
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# Create a swap file with a small discontiguous range(?)
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echo "small discontig swap" | tee -a $seqres.full
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_pwrite_byte 0x58 0 $((len + 1024)) $swapfile >> $seqres.full
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old_sz="$(stat -c '%s' $swapfile)"
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$XFS_IO_PROG -c "fcollapse 66560 1024" $swapfile >> $seqres.full 2>&1
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new_sz="$(stat -c '%s' $swapfile)"
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if [ $old_sz -gt $new_sz ]; then
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swapfile_cycle $swapfile
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fi
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rm -f $swapfile
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status=0
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exit
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