mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Zheng Liu
21db51dd98
In this commit a new test case is added to test that i_size races don't occur under dio reads/writes. We add a program in /src dir, which has a writer to issue some append dio writes. Meanwhile it has a reader in this test to do some dio reads. As we expect, reader should read nothing or data with 'a'. But it might read some data with '0'. The bug can be reproduced by this test case [1]. 1. http://patchwork.ozlabs.org/patch/311761/ This ostensibly tests commit: 9fe55eea7 Fix race when checking i_size on direct i/o read Update by Eric Sandeen: - update to recent xfstests - update commit log Update by Eryu Guan: - add aio-dio support to the test and add 'aio' group - add ability to test different alignments - move test from src/ to src/aio-dio-regress/ - add .gitignore entry - rebase against latest xfstests with various minor fixes & cleanups - update commit log Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
76 lines
2.0 KiB
Bash
Executable File
76 lines
2.0 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 465
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#
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# Test i_size is updated properly under dio read/write
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2013 Alibaba Group. All Rights Reserved.
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# Copyright (c) 2017 Red Hat Inc. 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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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/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.* $testfile.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_aiodio aio-dio-append-write-read-race
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_require_test_program "feature"
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testfile=$TEST_DIR/$seq.$$
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min_dio_align=`_min_dio_alignment $TEST_DEV`
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page_size=`$here/src/feature -s`
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rm -f $seqres.full
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echo "non-aio dio test"
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align=$min_dio_align
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while [ $align -le $page_size ]; do
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echo "$AIO_TEST -a $align -d $testfile.$align" >> $seqres.full
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$AIO_TEST -a $align -d $testfile.$align 2>&1 | tee -a $seqres.full
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align=$((align * 2))
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done
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echo "aio-dio test"
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align=$min_dio_align
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while [ $align -le $page_size ]; do
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echo "$AIO_TEST -a $align $testfile.$align" >> $seqres.full
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$AIO_TEST -a $align $testfile.$align 2>&1 | tee -a $seqres.full
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align=$((align * 2))
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done
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# success, all done
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status=0
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exit
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