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>
99 lines
2.7 KiB
Bash
Executable File
99 lines
2.7 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 172
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#
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# Reflink a file that uses more than half of the space, then try to observe
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# ENOSPC while copy-on-writing the file via the page cache.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015, Oracle and/or its affiliates. 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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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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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -rf $tmp.* $testdir1
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}
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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/attr
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. ./common/reflink
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# real QA test starts here
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_supported_os Linux
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_require_scratch_reflink
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_require_cp_reflink
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rm -f $seqres.full
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echo "Format and mount"
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_scratch_mkfs > $seqres.full 2>&1
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_scratch_mount >> $seqres.full 2>&1
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testdir=$SCRATCH_MNT/test-$seq
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mkdir $testdir
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echo "Reformat with appropriate size"
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blksz="$(get_block_size $testdir)"
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umount $SCRATCH_MNT
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file_size=$((168 * 1024 * 1024))
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fs_size=$((256 * 1024 * 1024))
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_scratch_mkfs_sized $fs_size >> $seqres.full 2>&1
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_scratch_mount >> $seqres.full 2>&1
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rm -rf $testdir
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mkdir $testdir
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echo "Create a big file and reflink it"
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_pwrite_byte 0x61 0 $file_size $testdir/bigfile >> $seqres.full 2>&1
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_cp_reflink $testdir/bigfile $testdir/clonefile
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sync
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echo "Allocate the rest of the space"
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_fill_fs $fs_size $testdir/space $blksz 0 >> $seqres.full 2>&1
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sync
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echo "CoW the big file"
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out="$(_pwrite_byte 0x62 0 $file_size $testdir/bigfile 2>&1 | \
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_filter_xfs_io_error)"
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echo ${out} | grep -q "No space left on device" || echo "CoW should have failed with ENOSPC"
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echo ${out} >> $seqres.full 2>&1
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echo ${out}
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echo "Remount and try CoW again"
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_scratch_cycle_mount
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out="$(_pwrite_byte 0x62 0 $file_size $testdir/bigfile 2>&1 | \
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_filter_xfs_io_error)"
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echo ${out} | grep -q "No space left on device" || echo "CoW should have failed with ENOSPC"
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echo ${out} >> $seqres.full 2>&1
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echo ${out}
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# success, all done
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status=0
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exit
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