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apfstests/tests/generic/491
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Dave Chinner cf89aed924 generic: convert tests to SPDX license tags
Fully scripted conversion, see script in initial SPDX license commit
message.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
2018-06-09 11:35:42 +10:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2018 CTERA Networks. All Rights Reserved.
#
# FS QA Test No. 491
#
# Test first read with freeze right after mount.
#
# With ext4, this leads to freeze proection bypass WARN_ON in
# ext4_journal_check_start.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
cd /
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
# real QA test starts here
_supported_fs generic
_supported_os Linux
_require_scratch
_require_freeze
_require_command "$TIMEOUT_PROG" "timeout"
rm -f $seqres.full
testfile=$SCRATCH_MNT/foo
# Create a filesystem with a file
_scratch_mkfs >>$seqres.full 2>&1
_scratch_mount
echo "frozen" > $testfile
# Mount filesystem "noatime" and freeze right after mount -
# reads should not block
_scratch_cycle_mount "noatime"
xfs_freeze -f $SCRATCH_MNT
# Read file while filesystem is frozen should succeed
# without blocking
$TIMEOUT_PROG -s KILL 1s cat $testfile
xfs_freeze -u $SCRATCH_MNT
status=0
exit