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 _begin_fstest aio dangerous enospc rw stress
15 # Import common functions.
19 _require_block_device $SCRATCH_DEV
20 _require_fail_make_request
22 SYSFS_BDEV=`_sysfs_dev $SCRATCH_DEV`
24 allow_fail_make_request()
26 echo "Allow global fail_make_request feature"
27 echo 100 > $DEBUGFS_MNT/fail_make_request/probability
28 echo 9999999 > $DEBUGFS_MNT/fail_make_request/times
29 echo 0 > /sys/kernel/debug/fail_make_request/verbose
32 disallow_fail_make_request()
34 echo "Disallow global fail_make_request feature"
35 echo 0 > $DEBUGFS_MNT/fail_make_request/probability
36 echo 0 > $DEBUGFS_MNT/fail_make_request/times
39 start_fail_scratch_dev()
41 echo "Force SCRATCH_DEV device failure"
42 echo " echo 1 > $SYSFS_BDEV/make-it-fail" >> $seqres.full
43 echo 1 > $SYSFS_BDEV/make-it-fail
46 stop_fail_scratch_dev()
48 echo "Make SCRATCH_DEV device operable again"
49 echo " echo 0 > $SYSFS_BDEV/make-it-fail" >> $seqres.full
50 echo 0 > $SYSFS_BDEV/make-it-fail
53 # Override the default cleanup function.
57 disallow_fail_make_request
61 RUN_TIME=$((20+10*$TIME_FACTOR))
62 NUM_JOBS=$((4*LOAD_FACTOR))
63 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
64 FILE_SIZE=$((BLK_DEV_SIZE * 512))
66 cat >$fio_config <<EOF
68 # $seq test's fio activity
69 # Filenames derived from jobsname and jobid like follows:
70 # ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
74 directory=${SCRATCH_MNT}
77 continue_on_error=write
78 ignore_error=EIO,ENOSPC:EIO
81 [stress_dio_aio_activity]
84 iodepth=128*${LOAD_FACTOR}
89 runtime=40+${RUN_TIME}
92 [stress_mmap_activity]
101 runtime=40+${RUN_TIME}
106 _require_fio $fio_config
108 # Disable all sync operations to get higher load
109 FSSTRESS_AVOID="$FSSTRESS_AVOID -ffsync=0 -fsync=0 -ffdatasync=0 -f setattr=1"
113 out=$SCRATCH_MNT/fsstress.$$
114 args=`_scale_fsstress_args -p 1 -n999999999 -f setattr=0 $FSSTRESS_AVOID -d $out`
116 echo "Start fsstress.."
118 echo "fsstress $args" >> $seqres.full
119 $FSSTRESS_PROG $args > /dev/null 2>&1 &
122 cat $fio_config >> $seqres.full
123 $FIO_PROG $fio_config >> $seqres.full 2>&1 &
126 # Let's it work for awhile, and force device failure
128 start_fail_scratch_dev
129 # After device turns in to failed state filesystem may yet not know about
130 # that so buffered write(2) may succeed, but any integrity operations
131 # such as (sync, fsync, fdatasync, direct-io) should fail.
132 dd if=/dev/zero of=$SCRATCH_MNT/touch_failed_filesystem count=1 bs=4k conv=fsync \
133 >> $seqres.full 2>&1 && \
134 _fail "failed: still able to perform integrity fsync on $SCRATCH_MNT"
136 kill $fs_pid &> /dev/null
140 # We expect that broken FS still can be umounted
141 run_check _scratch_unmount
142 # Once filesystem was umounted no one is able to write to block device
143 # It is now safe to bring device back to normal state
144 stop_fail_scratch_dev
146 # In order to check that filesystem is able to recover journal on mount(2)
147 # perform mount/umount, after that all errors should be fixed
149 run_check _scratch_unmount
152 # real QA test starts here
154 _scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed"
156 allow_fail_make_request
159 disallow_fail_make_request