4 # Test case to reproduce xfs_freeze hang under filsystem load.
5 # The fail case for this test is a hang on an xfs_freeze.
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29 echo "QA output created by $seq"
33 status=0 # success is the default!
46 trap "_cleanup" 0 1 2 3 15
49 # get standard environment, filters and checks
53 # real QA test starts here
55 _supported_os Linux IRIX
62 umount $SCRATCH_DEV >/dev/null 2>&1
63 echo "*** MKFS ***" >>$seq.full
65 _scratch_mkfs_xfs >>$seq.full 2>&1 \
66 || _fail "mkfs failed"
67 _scratch_mount >>$seq.full 2>&1 \
68 || _fail "mount failed"
73 # start fsstress loop in a background block
75 STRESS_DIR="$SCRATCH_MNT/fsstress_test_dir"
80 while [ -f "$tmp.running" ]
82 # -w ensures that the only ops are ones which cause write I/O
83 $FSSTRESS_PROG -d $STRESS_DIR -w -p $procs -n $nops $FSSTRESS_AVOID \
92 let ITERATIONS=$ITERATIONS-1
94 echo | tee -a $seq.full
95 while [ $i -le $ITERATIONS ]
97 echo "*** iteration: $i" | tee -a $seq.full
98 echo "*** freezing \$SCRATCH_MNT" | tee -a $seq.full
99 xfs_freeze -f "$SCRATCH_MNT" | tee -a $seq.full
100 [ $? != 0 ] && echo xfs_freeze -f "$SCRATCH_MNT" failed | \
104 echo "*** thawing \$SCRATCH_MNT" | tee -a $seq.full
105 xfs_freeze -u "$SCRATCH_MNT" | tee -a $seq.full
106 [ $? != 0 ] && echo xfs_freeze -u "$SCRATCH_MNT" failed | \
110 echo | tee -a $seq.full
114 # stop fsstress iterations
117 # wait for fsstresses to finish