2 # SPDX-License-Identifier: GPL-2.0
5 # FSQA Test No. generic/019
7 # Run fsstress and fio(dio/aio and mmap) and simulate disk failure
8 # check filesystem consistency at the end.
11 seqres=$RESULT_DIR/$seq
12 echo "QA output created by $seq"
17 status=1 # failure is the default!
19 # get standard environment, filters and checks
25 _require_block_device $SCRATCH_DEV
26 _require_fail_make_request
28 SYSFS_BDEV=`_sysfs_dev $SCRATCH_DEV`
30 allow_fail_make_request()
32 echo "Allow global fail_make_request feature"
33 echo 100 > $DEBUGFS_MNT/fail_make_request/probability
34 echo 9999999 > $DEBUGFS_MNT/fail_make_request/times
35 echo 0 > /sys/kernel/debug/fail_make_request/verbose
38 disallow_fail_make_request()
40 echo "Disallow global fail_make_request feature"
41 echo 0 > $DEBUGFS_MNT/fail_make_request/probability
42 echo 0 > $DEBUGFS_MNT/fail_make_request/times
45 start_fail_scratch_dev()
47 echo "Force SCRATCH_DEV device failure"
48 echo " echo 1 > $SYSFS_BDEV/make-it-fail" >> $seqres.full
49 echo 1 > $SYSFS_BDEV/make-it-fail
52 stop_fail_scratch_dev()
54 echo "Make SCRATCH_DEV device operable again"
55 echo " echo 0 > $SYSFS_BDEV/make-it-fail" >> $seqres.full
56 echo 0 > $SYSFS_BDEV/make-it-fail
62 disallow_fail_make_request
65 trap "_cleanup; exit \$status" 1 2 3 15
67 RUN_TIME=$((20+10*$TIME_FACTOR))
68 NUM_JOBS=$((4*LOAD_FACTOR))
69 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
70 FILE_SIZE=$((BLK_DEV_SIZE * 512))
72 cat >$fio_config <<EOF
74 # $seq test's fio activity
75 # Filenames derived from jobsname and jobid like follows:
76 # ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
80 directory=${SCRATCH_MNT}
83 continue_on_error=write
84 ignore_error=EIO,ENOSPC:EIO
87 [stress_dio_aio_activity]
90 iodepth=128*${LOAD_FACTOR}
95 runtime=40+${RUN_TIME}
98 [stress_mmap_activity]
107 runtime=40+${RUN_TIME}
112 _require_fio $fio_config
114 # Disable all sync operations to get higher load
115 FSSTRESS_AVOID="$FSSTRESS_AVOID -ffsync=0 -fsync=0 -ffdatasync=0 -f setattr=1"
119 out=$SCRATCH_MNT/fsstress.$$
120 args=`_scale_fsstress_args -p 1 -n999999999 -f setattr=0 $FSSTRESS_AVOID -d $out`
122 echo "Start fsstress.."
124 echo "fsstress $args" >> $seqres.full
125 $FSSTRESS_PROG $args > /dev/null 2>&1 &
128 cat $fio_config >> $seqres.full
129 $FIO_PROG $fio_config >> $seqres.full 2>&1 &
132 # Let's it work for awhile, and force device failure
134 start_fail_scratch_dev
135 # After device turns in to failed state filesystem may yet not know about
136 # that so buffered write(2) may succeed, but any integrity operations
137 # such as (sync, fsync, fdatasync, direct-io) should fail.
138 dd if=/dev/zero of=$SCRATCH_MNT/touch_failed_filesystem count=1 bs=4k conv=fsync \
139 >> $seqres.full 2>&1 && \
140 _fail "failed: still able to perform integrity fsync on $SCRATCH_MNT"
142 kill $fs_pid &> /dev/null
146 # We expect that broken FS still can be umounted
147 run_check _scratch_unmount
148 # Once filesystem was umounted no one is able to write to block device
149 # It is now safe to bring device back to normal state
150 stop_fail_scratch_dev
152 # In order to check that filesystem is able to recover journal on mount(2)
153 # perform mount/umount, after that all errors should be fixed
155 run_check _scratch_unmount
158 # real QA test starts here
161 _scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed"
163 allow_fail_make_request
166 disallow_fail_make_request