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Xiao Yang
22b17d9e4f
1) This pattern is repeated in several seek_data/hole tests
(e.g. generic/285, generic/436, generic/445 generic/448)
and generic/009. A common _ext4_disable_extent_zeroout()
helper could be added and applied by generic/009 and
_require_seek_data_hole().
2) On some old kernels(e.g. v3.1-v3.6), when vfs recognizes
SEEK_DATA/HOLE flag && ext4 has no extent zeroout tunable
in sysfs, these cases may trigger "sysfs entry not found"
issue. We can add check if extent_max_zeroout_kb exists
on ext4 filesystem.
The extent_max_zeroout_kb is introduced by:
'67a5da564f97 ("ext4: make the zero-out chunk size tunable")'
3) Declare several vars as local in _require_seek_data_hole().
Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
59 lines
1.6 KiB
Bash
Executable File
59 lines
1.6 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 448
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#
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# Check what happens when SEEK_HOLE/SEEK_DATA are fed negative offsets.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2017, 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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rm -f $tmp.* $BASE_TEST_FILE.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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_supported_fs generic
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_supported_os Linux
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_require_test
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_require_seek_data_hole
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BASE_TEST_FILE=$TEST_DIR/seek_sanity_testfile_$seq
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_require_test_program "seek_sanity_test"
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$here/src/seek_sanity_test -s 18 -e 18 $BASE_TEST_FILE > $seqres.full 2>&1 ||
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_fail "seek sanity check failed!"
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_check_dmesg
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# success, all done
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echo "Silence is golden"
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status=0
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exit
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