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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
#
# FS QA Test No. 083
#
# Exercise filesystem full behaviour - run numerous fsstress
# processes in write mode on a small filesystem. NB: delayed
# allocate flushing is quite deadlock prone at the filesystem
# full boundary due to the fact that we will retry allocation
# several times after flushing, before giving back ENOSPC.
#
# Note that this test will intentionally cause console msgs of form:
# dksc0d1s4: Process [fsstress] ran out of disk space
# dksc0d1s4: Process [fsstress] ran out of disk space
# dksc0d1s4: Process [fsstress] ran out of disk space
#
. ./common/preamble
_begin_fstest rw auto enospc stress
# Override the default cleanup function.
_cleanup()
{
echo "*** unmount"
_scratch_unmount 2>/dev/null
rm -f $tmp.*
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs generic
_require_scratch
_require_no_large_scratch_dev
workout()
{
fsz=$1
ags=$2
procs=$3
nops=$4
_scratch_unmount >/dev/null 2>&1
echo "*** mkfs -dsize=$fsz,agcount=$ags" >>$seqres.full
echo "" >>$seqres.full
if [ $FSTYP = xfs ]
then
_scratch_mkfs_xfs -dsize=$fsz,agcount=$ags >>$seqres.full 2>&1 \
|| _fail "size=$fsz,agcount=$ags mkfs failed"
else
_scratch_mkfs_sized $fsz >>$seqres.full 2>&1
fi
_scratch_mount
# -w ensures that the only ops are ones which cause write I/O
FSSTRESS_ARGS=`_scale_fsstress_args -d $SCRATCH_MNT -w -p $procs -n $nops $FSSTRESS_AVOID`
$FSSTRESS_PROG $FSSTRESS_ARGS >>$seqres.full
}
echo "*** test out-of-space handling for random write operations"
filesize=`expr 256 \* 1024 \* 1024`
agcount=6
numprocs=15
numops=1500
workout $filesize $agcount $numprocs $numops
echo "*** done"
status=0
exit
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