1#!/bin/bash
2
3MNT=/mnt/f2fs
4DEV=/dev/sdb1
5USER_DIR=/home/zeus
6F2FS_DIR=$USER_DIR/f2fs_test
7
8check_stop() {
9	stop=`cat /tmp/stop`
10	if [ $stop -eq 1 ]; then
11		exit
12	fi
13}
14
15case $1 in
16start)
17	echo 0 > /tmp/stop
18	umount /mnt/*
19	echo 3 > /proc/sys/vm/drop_caches
20	echo 8 > /proc/sys/kernel/printk
21
22	date >> $USER_DIR/por_result
23	sync
24
25	insmod $F2FS_DIR/src/fs/f2fs/f2fs.ko || exit
26
27	echo Start checking F2FS without fsync
28	check_stop
29	fsck.f2fs $DEV -d 0 || exit
30	mount -t f2fs -o disable_roll_forward $DEV $MNT || exit
31	umount $MNT
32	echo 3 > /proc/sys/vm/drop_caches
33
34	echo Start checking F2FS with fsync
35	check_stop
36	fsck.f2fs $DEV -d 0 || exit
37	mount -t f2fs $DEV $MNT || exit
38	umount $MNT
39
40	check_stop
41	fsck.f2fs $DEV -d 0 || exit
42	mount -t f2fs $DEV $MNT || exit
43
44	count=`cat $USER_DIR/por_time`
45	if [ $count -eq 20 ]; then
46		echo Start rm all
47		time rm -rf $MNT/* || exit
48		echo 0 > $USER_DIR/por_time
49		sync
50	else
51		echo $((count+1)) > $USER_DIR/por_time
52	fi
53	echo 8 > /proc/sys/kernel/printk
54	echo Start fsstress
55	date
56	$F2FS_DIR/stress_test/fsstress/fsstress -z -f link=0 -f mkdir=3 -f mknod=3 -f rmdir=2 -f symlink=3 -f truncate=4 -f write=10 -f creat=10 -f unlink=5 -f rename=5 -f fsync=10 -p 10 -n 10000 -l 0 -d $MNT &
57	RANDOM=`date '+%s'`
58	rand=$[($RANDOM % 540) + 60]
59	echo Start sleep: $rand seconds
60	sleep $rand
61
62	echo Reboot now
63	check_stop
64	echo b > /proc/sysrq-trigger
65	;;
66stop)
67	killall -9 fsstress
68	echo 1 > /tmp/stop
69	;;
70esac
71