2018-05-14 08:49:51 +03:00
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#! /bin/bash
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2018-06-09 11:35:42 +10:00
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2018 CTERA Networks. All Rights Reserved.
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#
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2018-05-14 08:49:51 +03:00
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# FS QA Test No. 491
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#
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# Test first read with freeze right after mount.
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#
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# With ext4, this leads to freeze proection bypass WARN_ON in
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# ext4_journal_check_start.
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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 $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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_require_freeze
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_require_command "$TIMEOUT_PROG" "timeout"
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rm -f $seqres.full
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testfile=$SCRATCH_MNT/foo
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# Create a filesystem with a file
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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echo "frozen" > $testfile
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# Mount filesystem "noatime" and freeze right after mount -
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# reads should not block
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_scratch_cycle_mount "noatime"
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xfs_freeze -f $SCRATCH_MNT
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# Read file while filesystem is frozen should succeed
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# without blocking
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$TIMEOUT_PROG -s KILL 1s cat $testfile
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xfs_freeze -u $SCRATCH_MNT
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status=0
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exit
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