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Regression test exercising realtime inheritance behavior.

#! /bin/sh
# FS QA Test No. 094
#
# Exercising the inheritable realtime inode bit.
#
#-----------------------------------------------------------------------
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# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
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# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
#-----------------------------------------------------------------------
#
# creator
owner=nathans@sgi.com

seq=`basename $0`
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 xfs
_supported_os IRIX Linux
_require_realtime
_require_scratch
_require_xfs_io

_filter_scratch()
{
	    sed -e "s,$SCRATCH_MNT,SCRATCH_MNT,g"
}

_create_scratch()
{
	echo "*** mkfs"
	if ! _scratch_mkfs_xfs >$tmp.out 2>&1
	then
		cat $tmp.out
		echo "failed to mkfs $SCRATCH_DEV"
		exit 1
	fi

	echo "*** mount"
	if ! _scratch_mount
	then
		echo "failed to mount $SCRATCH_DEV"
		exit 1
	fi
}

_create_scratch
mkdir $SCRATCH_MNT/testdir

# set inode attribute, create files below and check they're marked realtime
# unset inode attribute, create files below and check they're not realtime

echo "*** create directory with rtinherit"
xfs_io -r -c 'chattr +R' $SCRATCH_MNT/testdir
xfs_io -r -c 'lsattr'    $SCRATCH_MNT/testdir | _filter_scratch

echo "*** create child with inherited realtime"
touch $SCRATCH_MNT/testdir/realtime
xfs_io -r -c 'lsattr'    $SCRATCH_MNT/testdir/realtime | _filter_scratch

echo "*** remove rtinherit from directory"
xfs_io -r -c 'chattr -R' $SCRATCH_MNT/testdir
xfs_io -r -c 'lsattr'    $SCRATCH_MNT/testdir | _filter_scratch

echo "*** create child without inherited realtime"
touch $SCRATCH_MNT/testdir/non-realtime
xfs_io -r -c 'lsattr'    $SCRATCH_MNT/testdir/non-realtime | _filter_scratch

echo "*** done"

# success, all done
status=0
exit