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
24 _require_block_device $SCRATCH_DEV
25 _require_fail_make_request
27 SYSFS_BDEV=`_sysfs_dev $SCRATCH_DEV`
29 allow_fail_make_request()
31 echo "Allow global fail_make_request feature"
32 echo 100 > $DEBUGFS_MNT/fail_make_request/probability
33 echo 9999999 > $DEBUGFS_MNT/fail_make_request/times
34 echo 0 > /sys/kernel/debug/fail_make_request/verbose
37 disallow_fail_make_request()
39 echo "Disallow global fail_make_request feature"
40 echo 0 > $DEBUGFS_MNT/fail_make_request/probability
41 echo 0 > $DEBUGFS_MNT/fail_make_request/times
44 start_fail_scratch_dev()
46 echo "Force SCRATCH_DEV device failure"
47 echo " echo 1 > $SYSFS_BDEV/make-it-fail" >> $seqres.full
48 echo 1 > $SYSFS_BDEV/make-it-fail
51 stop_fail_scratch_dev()
53 echo "Make SCRATCH_DEV device operable again"
54 echo " echo 0 > $SYSFS_BDEV/make-it-fail" >> $seqres.full
55 echo 0 > $SYSFS_BDEV/make-it-fail
61 disallow_fail_make_request
64 trap "_cleanup; exit \$status" 1 2 3 15
66 RUN_TIME=$((20+10*$TIME_FACTOR))
67 NUM_JOBS=$((4*LOAD_FACTOR))
68 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
69 FILE_SIZE=$((BLK_DEV_SIZE * 512))
71 cat >$fio_config <<EOF
73 # $seq test's fio activity
74 # Filenames derived from jobsname and jobid like follows:
75 # ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
79 directory=${SCRATCH_MNT}
82 continue_on_error=write
83 ignore_error=EIO,ENOSPC:EIO
86 [stress_dio_aio_activity]
89 iodepth=128*${LOAD_FACTOR}
94 runtime=40+${RUN_TIME}
97 [stress_mmap_activity]
106 runtime=40+${RUN_TIME}
111 _require_fio $fio_config
113 # Disable all sync operations to get higher load
114 FSSTRESS_AVOID="$FSSTRESS_AVOID -ffsync=0 -fsync=0 -ffdatasync=0 -f setattr=1"
118 out=$SCRATCH_MNT/fsstress.$$
119 args=`_scale_fsstress_args -p 1 -n999999999 -f setattr=0 $FSSTRESS_AVOID -d $out`
121 echo "Start fsstress.."
123 echo "fsstress $args" >> $seqres.full
124 $FSSTRESS_PROG $args > /dev/null 2>&1 &
127 cat $fio_config >> $seqres.full
128 $FIO_PROG $fio_config >> $seqres.full 2>&1 &
131 # Let's it work for awhile, and force device failure
133 start_fail_scratch_dev
134 # After device turns in to failed state filesystem may yet not know about
135 # that so buffered write(2) may succeed, but any integrity operations
136 # such as (sync, fsync, fdatasync, direct-io) should fail.
137 dd if=/dev/zero of=$SCRATCH_MNT/touch_failed_filesystem count=1 bs=4k conv=fsync \
138 >> $seqres.full 2>&1 && \
139 _fail "failed: still able to perform integrity fsync on $SCRATCH_MNT"
141 kill $fs_pid &> /dev/null
145 # We expect that broken FS still can be umounted
146 run_check _scratch_unmount
147 # Once filesystem was umounted no one is able to write to block device
148 # It is now safe to bring device back to normal state
149 stop_fail_scratch_dev
151 # In order to check that filesystem is able to recover journal on mount(2)
152 # perform mount/umount, after that all errors should be fixed
154 run_check _scratch_unmount
157 # real QA test starts here
160 _scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed"
162 allow_fail_make_request
165 disallow_fail_make_request