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Theodore Ts'o
56ff01f471
The check script requires that it be run as root, so adding individualized checks for this in each teat is not needed. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
79 lines
2.3 KiB
Bash
Executable File
79 lines
2.3 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 071
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#
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# Test extent pre-allocation (using fallocate) into a region that already has a
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# pre-allocated extent that ends beyond the file's size. Verify that if the fs
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# is unmounted immediately after, the file's size and content are not lost.
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#
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#-----------------------------------------------------------------------
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# Copyright (C) 2015 SUSE Linux Products GmbH. All Rights Reserved.
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# Author: Filipe Manana <fdmanana@suse.com>
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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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_cleanup()
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{
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rm -f $tmp.*
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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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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_require_xfs_io_command "falloc"
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rm -f $seqres.full
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_scratch_mkfs >> $seqres.full 2>&1
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_scratch_mount
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# Create our test file with a pre-allocated extent that doesn't increase the
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# file's size.
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$XFS_IO_PROG -f -c "falloc -k 0 1M" $SCRATCH_MNT/foo
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# Write some data to our file.
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$XFS_IO_PROG -c "pwrite -S 0xaa 0 256K" $SCRATCH_MNT/foo | _filter_xfs_io
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# Now call fallocate again, but allowing it to increase the file's size and
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# cover a range that is entirely covered by the extent that we previously
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# pre-allocated.
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$XFS_IO_PROG -c "falloc 0 512K" $SCRATCH_MNT/foo
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# Now ummount and mount again the fs. After this we expect the file's size to
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# be 512Kb.
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_scratch_cycle_mount
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# Now check that all data we wrote before are available and the file size is
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# 512Kb.
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echo "File content after remount:"
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od -t x1 $SCRATCH_MNT/foo
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status=0
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exit
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