4 # Test Full File System Hole Punching
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26 seqres=$RESULT_DIR/$seq
27 echo "QA output created by $seq"
31 status=1 # failure is the default!
38 trap "_cleanup ; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
46 # real QA test starts here
50 _require_xfs_io_command "fpunch"
55 testfile=$TEST_DIR/256.$$
57 # _test_full_fs_punch()
59 # This function will test that a hole may be punched
60 # even when the file system is full. Reserved blocks
61 # should be used to allow a punch hole to proceed even
62 # when there is not enough blocks to further fragment the
63 # file. To test this, this function will fragment the file
64 # system by punching holes in regular intervals and filling
65 # the file system between punches.
69 local hole_len=$1 # The length of the holes to punch
70 local hole_interval=$2 # The interval between the holes
71 local iterations=$3 # The number of holes to punch
72 local file_name=$4 # File to punch holes in
73 local block_size=$5 # File system block size
74 local file_len=$(( $(( $hole_len + $hole_interval )) * $iterations ))
75 local path=`dirname $file_name`
80 echo "USAGE: _test_full_fs_punch hole_len hole_interval iterations file_name block_size"
84 rm -f $file_name &> /dev/null
86 $XFS_IO_PROG -f -c "pwrite 0 $file_len" \
87 -c "fsync" $file_name &> /dev/null
90 # All files are created as a non root user to prevent reserved blocks
91 # from being consumed.
92 _fill_fs $(( 1024 * 1024 * 1024 )) $path/fill $block_size 1 \
95 for (( i=0; i<$iterations; i++ ))
97 # This part must not be done as root in order to
98 # test that reserved blocks are used when needed
99 _user_do "$XFS_IO_PROG -f -c \"fpunch $hole_offset $hole_len\" $file_name"
101 if [ $? -ne 0 ] ; then
102 echo Punch hole failed
106 hole_offset=$(( $hole_offset + $hole_len + $hole_interval ))
108 _fill_fs $hole_len $path/fill.$i $block_size 1 > /dev/null 2>&1
113 # Make a small file system to fill
114 _scratch_unmount &> /dev/null
115 _scratch_mkfs_sized $(( 1536 * 1024 * 1024 )) &> /dev/null
117 # Test must be able to write files with non-root permissions
118 chmod 777 $SCRATCH_MNT
120 block_size=`_get_block_size $SCRATCH_MNT`
121 _test_full_fs_punch $(( $block_size * 2 )) $block_size 500 $SCRATCH_MNT/252.$$ $block_size