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generic: test swapfile creation, activation, and deactivation
Test swapfile activation and deactivation. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Darrick J. Wong
committed by
Eryu Guan
Eryu Guan
parent
8585efc1e6
commit
25ce974006
Executable
+91
@@ -0,0 +1,91 @@
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#! /bin/bash
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# FS QA Test No. 472
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#
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# Test various swapfile activation oddities.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2018 Oracle. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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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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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 regular swap file
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echo "regular swap" | tee -a $seqres.full
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_pwrite_byte 0x58 0 $len $swapfile >> $seqres.full
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swapfile_cycle $swapfile
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# Create a swap file with a little too much junk on the end
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echo "too long swap" | tee -a $seqres.full
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_pwrite_byte 0x58 0 $((len + 3)) $swapfile >> $seqres.full
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swapfile_cycle $swapfile
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# Create a ridiculously small swap file. Each swap file must have at least
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# two pages after the header page.
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echo "tiny swap" | tee -a $seqres.full
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tiny_len=$((page_size * 3))
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_pwrite_byte 0x58 0 $tiny_len $swapfile >> $seqres.full
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swapfile_cycle $swapfile
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status=0
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exit
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@@ -0,0 +1,4 @@
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QA output created by 472
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regular swap
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too long swap
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tiny swap
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Executable
+94
@@ -0,0 +1,94 @@
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#! /bin/bash
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# FS QA Test No. 496
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#
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# Test various swapfile activation oddities on filesystems that support
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# fallocated swapfiles.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2018 Oracle. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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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 "falloc"
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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 fallocated swap file
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echo "fallocate swap" | tee -a $seqres.full
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$XFS_IO_PROG -f -c "falloc 0 $len" $swapfile >> $seqres.full
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$CHATTR_PROG +C $swapfile >> $seqres.full 2>&1
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"$here/src/mkswap" $swapfile
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"$here/src/swapon" $swapfile >> $seqres.full 2>&1 || \
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_notrun "fallocated swap not supported here"
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swapoff $swapfile
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# Create a fallocated swap file and touch every other $PAGE_SIZE to create
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# a mess of written/unwritten extent records
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echo "mixed swap" | tee -a $seqres.full
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$XFS_IO_PROG -f -c "falloc 0 $len" $swapfile >> $seqres.full
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seq $page_size $((page_size * 2)) $len | while read offset; do
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_pwrite_byte 0x58 $offset 1 $swapfile >> $seqres.full
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done
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swapfile_cycle $swapfile
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status=0
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exit
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@@ -0,0 +1,3 @@
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QA output created by 496
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fallocate swap
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mixed swap
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Executable
+98
@@ -0,0 +1,98 @@
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#! /bin/bash
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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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#-----------------------------------------------------------------------
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# Copyright (c) 2018 Oracle. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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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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@@ -0,0 +1,3 @@
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QA output created by 497
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large discontig swap
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small discontig swap
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@@ -474,6 +474,7 @@
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469 auto quick
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470 auto quick dax
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471 auto quick rw
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472 auto quick swap
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473 broken
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474 auto quick shutdown metadata
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475 shutdown auto log metadata
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@@ -497,3 +498,5 @@
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493 auto quick swap
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494 auto quick swap punch
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495 auto quick swap
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496 auto quick swap
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497 auto quick swap collapse
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