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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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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23 #-----------------------------------------------------------------------
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
54 _supported_fs btrfs ext3 ext4 xfs
55 _supported_os Linux IRIX
62 umount $SCRATCH_DEV >/dev/null 2>&1
63 echo "*** MKFS ***" >>$seq.full
65 _scratch_mkfs >>$seq.full 2>&1 \
66 || _fail "mkfs failed"
67 _scratch_mount >>$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 # We do both read & write IO - not only is this more realistic,
83 # but it also potentially tests atime updates
84 $FSSTRESS_PROG -d $STRESS_DIR -p $procs -n $nops $FSSTRESS_AVOID \
93 let ITERATIONS=$ITERATIONS-1
95 echo | tee -a $seq.full
96 while [ $i -le $ITERATIONS ]
98 echo "*** iteration: $i" | tee -a $seq.full
99 echo "*** freezing \$SCRATCH_MNT" | tee -a $seq.full
100 xfs_freeze -f "$SCRATCH_MNT" | tee -a $seq.full
101 [ $? != 0 ] && echo xfs_freeze -f "$SCRATCH_MNT" failed | \
105 echo "*** thawing \$SCRATCH_MNT" | tee -a $seq.full
106 xfs_freeze -u "$SCRATCH_MNT" | tee -a $seq.full
107 [ $? != 0 ] && echo xfs_freeze -u "$SCRATCH_MNT" failed | \
111 echo | tee -a $seq.full
115 # stop fsstress iterations
118 # wait for fsstresses to finish