2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2011 IBM Corporation. All Rights Reserved.
7 # Test Full File System Hole Punching
10 seqres=$RESULT_DIR/$seq
11 echo "QA output created by $seq"
15 status=1 # failure is the default!
22 trap "_cleanup ; exit \$status" 0 1 2 3 15
24 # get standard environment, filters and checks
30 # real QA test starts here
34 _require_xfs_io_command "fpunch"
39 testfile=$TEST_DIR/256.$$
41 # _test_full_fs_punch()
43 # This function will test that a hole may be punched
44 # even when the file system is full. Reserved blocks
45 # should be used to allow a punch hole to proceed even
46 # when there is not enough blocks to further fragment the
47 # file. To test this, this function will fragment the file
48 # system by punching holes in regular intervals and filling
49 # the file system between punches.
53 local hole_len=$1 # The length of the holes to punch
54 local hole_interval=$2 # The interval between the holes
55 local iterations=$3 # The number of holes to punch
56 local file_name=$4 # File to punch holes in
57 local block_size=$5 # File system block size
58 local file_len=$(( $(( $hole_len + $hole_interval )) * $iterations ))
59 local path=`dirname $file_name`
64 echo "USAGE: _test_full_fs_punch hole_len hole_interval iterations file_name block_size"
68 rm -f $file_name &> /dev/null
70 $XFS_IO_PROG -f -c "pwrite 0 $file_len" \
71 -c "fsync" $file_name &> /dev/null
74 # All files are created as a non root user to prevent reserved blocks
75 # from being consumed.
76 _fill_fs $(( 1024 * 1024 * 1024 )) $path/fill $block_size 1 \
79 for (( i=0; i<$iterations; i++ ))
81 # This part must not be done as root in order to
82 # test that reserved blocks are used when needed
83 _user_do "$XFS_IO_PROG -f -c \"fpunch $hole_offset $hole_len\" $file_name"
85 if [ $? -ne 0 ] ; then
86 echo Punch hole failed
90 hole_offset=$(( $hole_offset + $hole_len + $hole_interval ))
92 _fill_fs $hole_len $path/fill.$i $block_size 1 > /dev/null 2>&1
97 # Make a small file system to fill
98 _scratch_unmount &> /dev/null
99 _scratch_mkfs_sized $(( 1536 * 1024 * 1024 )) &> /dev/null
101 # Test must be able to write files with non-root permissions
102 chmod 777 $SCRATCH_MNT
104 block_size=`_get_block_size $SCRATCH_MNT`
105 _test_full_fs_punch $(( $block_size * 2 )) $block_size 500 $SCRATCH_MNT/252.$$ $block_size