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
63 umount $SCRATCH_DEV >/dev/null 2>&1
64 echo "*** MKFS ***" >>$seq.full
66 _scratch_mkfs >>$seq.full 2>&1 \
67 || _fail "mkfs failed"
68 _scratch_mount >>$seq.full 2>&1 \
69 || _fail "mount failed"
74 # start fsstress loop in a background block
76 STRESS_DIR="$SCRATCH_MNT/fsstress_test_dir"
81 while [ -f "$tmp.running" ]
83 # We do both read & write IO - not only is this more realistic,
84 # but it also potentially tests atime updates
85 $FSSTRESS_PROG -d $STRESS_DIR -p $procs -n $nops $FSSTRESS_AVOID \
94 let ITERATIONS=$ITERATIONS-1
96 echo | tee -a $seq.full
97 while [ $i -le $ITERATIONS ]
99 echo "*** iteration: $i" | tee -a $seq.full
100 echo "*** freezing \$SCRATCH_MNT" | tee -a $seq.full
101 xfs_freeze -f "$SCRATCH_MNT" | tee -a $seq.full
102 [ $? != 0 ] && echo xfs_freeze -f "$SCRATCH_MNT" failed | \
106 echo "*** thawing \$SCRATCH_MNT" | tee -a $seq.full
107 xfs_freeze -u "$SCRATCH_MNT" | tee -a $seq.full
108 [ $? != 0 ] && echo xfs_freeze -u "$SCRATCH_MNT" failed | \
112 echo | tee -a $seq.full
116 # stop fsstress iterations
119 # wait for fsstresses to finish