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Rostislav Skudnov
dc9f8c9ac0
These test cases require filesystem support for FALLOC_FL_KEEP_SIZE flag in fallocate(). Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
84 lines
2.5 KiB
Bash
Executable File
84 lines
2.5 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 315
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#
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# fallocate/truncate tests with FALLOC_FL_KEEP_SIZE option.
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# Verify if the disk space is released after truncating a file back
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# to the old smaller size. Before Linux 3.10, Btrfs/OCFS2 are test
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# failed in this case.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2013 Oracle, Inc. 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=0 # success 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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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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# real QA test starts here
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# Modify as appropriate.
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_supported_fs generic
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_supported_os Linux
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_require_test
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_require_xfs_io_command "falloc" "-k"
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rm -f $seqres.full
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echo "Slience is golden"
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# Check the current avaliable disk space on $TEST_DIR.
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# 1024KiB at least
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avail_begin=`df -P $TEST_DIR | awk 'END {print $4}'`
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[ "$avail_begin" -ge 1024 ] || _notrun "Test device is too small ($avail_begin KiB)"
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# Preallocate half size of the available disk space to a file
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# starts from offset 0 with FALLOC_FL_KEEP_SIZE option on the
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# test file system.
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$XFS_IO_PROG -f -c 'falloc -k 0 $(($avail_begin/2))' \
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$TEST_DIR/testfile.$seq >>$seqres.full 2>&1
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# Verify the file size, it should keep unchanged as 0 in this case
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fsize=`ls -l $TEST_DIR/testfile.$seq | awk '{print $5}'`
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[ "$fsize" -eq 0 ] || _fail "File size is changed to ($fsize Bytes)"
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# Truncate the file size back to 0
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truncate -s 0 $TEST_DIR/testfile.$seq
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sync
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# Preallocated disk space should be released
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avail_done=`df -P $TEST_DIR | awk 'END {print $4}'`
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_within_tolerance "df" $avail_done $avail_begin 1%
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[ $? -eq 0 ] || _fail "Available disk space ($avail_done KiB) wanted ($avail_begin KiB)"
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# success, all done
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exit
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