4 # Test that calling fallocate against a range which is already
5 # allocated does not truncate beyond EOF
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8 # Copyright (c) 2015 Fujitsu. All Rights Reserved.
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11 # modify it under the terms of the GNU General Public License as
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15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
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21 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #-----------------------------------------------------------------------
26 seqres=$RESULT_DIR/$seq
27 echo "QA output created by $seq"
31 status=1 # failure is the default!
32 trap "_cleanup; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
45 # remove previous $seqres.full before test
48 # real QA test starts here
54 # Use 64K file size to match any sectorsize
55 # And with a unaligned tailing range to ensure it will be at least 2 pages
56 filesize=$(( 64 * 1024 + 1024 ))
58 # Fallocate a range that will not cover the tailing page
59 fallocrange=$(( 64 * 1024 ))
61 _scratch_mkfs > /dev/null 2>&1
63 $XFS_IO_PROG -f -c "pwrite 0 $filesize" $SCRATCH_MNT/foo | _filter_xfs_io
65 orig_extent_nr=`_extent_count $SCRATCH_MNT/foo`
67 # As all space are allocated and even written to disk, this falloc
68 # should do nothing with extent modification.
69 $XFS_IO_PROG -f -c "falloc 0 $fallocrange" $SCRATCH_MNT/foo
71 new_extent_nr=`_extent_count $SCRATCH_MNT/foo`
73 echo "orig: $orig_extent_nr, new: $new_extent_nr" >> $seqres.full
75 if [ "x$orig_extent_nr" != "x$new_extent_nr" ]; then
76 echo "Extent beyond EOF is re-truncated"
77 echo "orig_extent_nr: $orig_extent_nr new_extent_nr: $new_extent_nr"