mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Wang Xiaoguang
815015e9ee
When enabling btrfs compression, original codes can not fill fs correctly, here we introduce _fill_fs() in common/rc, which'll keep creating and writing files until enospc error occurs. Note _fill_fs is copied from tests/generic/256, but with some minor modifications. Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
124 lines
3.4 KiB
Bash
Executable File
124 lines
3.4 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 256
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#
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# Test Full File System Hole Punching
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2011 IBM Corporation. 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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#
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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/$$
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status=1 # failure is the default!
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_cleanup()
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{
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rm -f $tmp.*
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}
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trap "_cleanup ; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/populate
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. ./common/filter
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. ./common/punch
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_xfs_io_command "fpunch"
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_require_scratch
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_require_user
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_require_test
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testfile=$TEST_DIR/256.$$
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# _test_full_fs_punch()
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#
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# This function will test that a hole may be punched
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# even when the file system is full. Reserved blocks
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# should be used to allow a punch hole to proceed even
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# when there is not enough blocks to further fragment the
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# file. To test this, this function will fragment the file
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# system by punching holes in regular intervals and filling
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# the file system between punches.
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#
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_test_full_fs_punch()
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{
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local hole_len=$1 # The length of the holes to punch
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local hole_interval=$2 # The interval between the holes
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local iterations=$3 # The number of holes to punch
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local file_name=$4 # File to punch holes in
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local block_size=$5 # File system block size
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local file_len=$(( $(( $hole_len + $hole_interval )) * $iterations ))
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local path=`dirname $file_name`
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local hole_offset=0
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if [ $# -ne 5 ]
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then
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echo "USAGE: _test_full_fs_punch hole_len hole_interval iterations file_name block_size"
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exit 1
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fi
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rm -f $file_name &> /dev/null
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$XFS_IO_PROG -f -c "pwrite 0 $file_len" \
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-c "fsync" $file_name &> /dev/null
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chmod 666 $file_name
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# All files are created as a non root user to prevent reserved blocks
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# from being consumed.
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_fill_fs $(( 1024 * 1024 * 1024 )) $path/fill $block_size 1 \
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> /dev/null 2>&1
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for (( i=0; i<$iterations; i++ ))
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do
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# This part must not be done as root in order to
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# test that reserved blocks are used when needed
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_user_do "$XFS_IO_PROG -f -c \"fpunch $hole_offset $hole_len\" $file_name"
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rc=$?
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if [ $? -ne 0 ] ; then
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echo Punch hole failed
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break
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fi
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hole_offset=$(( $hole_offset + $hole_len + $hole_interval ))
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_fill_fs $hole_len $path/fill.$i $block_size 1 > /dev/null 2>&1
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done
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}
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# Make a small file system to fill
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_scratch_unmount &> /dev/null
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_scratch_mkfs_sized $(( 1536 * 1024 * 1024 )) &> /dev/null
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_scratch_mount
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# Test must be able to write files with non-root permissions
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chmod 777 $SCRATCH_MNT
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block_size=`get_block_size $SCRATCH_MNT`
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_test_full_fs_punch $(( $block_size * 2 )) $block_size 500 $SCRATCH_MNT/252.$$ $block_size
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status=0 ; exit
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