selftests/zram/zram_lib.sh

23 		echo $msg must be run as root >&2
30 	echo "zram cleanup"
41 		echo 1 > /sys/block/zram${i}/reset
50 		echo "zram rmmod zram"
61 		echo "create '$dev_num' zram device(s)"
64 			echo "failed to insert zram module"
71 			echo "unexpected num of devices: $dev_num_created"
74 			echo "zram load module successful"
77 		echo "/dev/zram0 device file found: OK"
79 		echo "ERROR: No zram.ko module or no /dev/zram0 device found"
80 		echo "$TCID : CONFIG_ZRAM is not set"
87 	echo "set max_comp_streams to zram device(s)"
92 		echo $max_s > $sys_path || \
93 			echo "FAIL failed to set '$max_s' to $sys_path"
98 			echo "FAIL can't set max_streams '$max_s', get $max_stream"
101 		echo "$sys_path = '$max_streams' ($i/$dev_num)"
104 	echo "zram max streams: OK"
109 	echo "test that we can set compression algorithm"
112 	echo "supported algs: $algs"
116 		echo "$alg" >	$sys_path || \
117 			echo "FAIL can't set '$alg' to $sys_path"
119 		echo "$sys_path = '$alg' ($i/$dev_num)"
122 	echo "zram set compression algorithm: OK"
127 	echo "set disk size to zram device(s)"
131 		echo "$ds" >	$sys_path || \
132 			echo "FAIL can't set '$ds' to $sys_path"
135 		echo "$sys_path = '$ds' ($i/$dev_num)"
138 	echo "zram set disksizes: OK"
143 	echo "set memory limit to zram device(s)"
148 		echo "$ds" >	$sys_path || \
149 			echo "FAIL can't set '$ds' to $sys_path"
152 		echo "$sys_path = '$ds' ($i/$dev_num)"
155 	echo "zram set memory limit: OK"
160 	echo "make swap with zram device(s)"
166 			echo "FAIL mkswap /dev/zram$1 failed"
172 			echo "FAIL swapon /dev/zram$1 failed"
175 		echo "done with /dev/zram$i"
179 	echo "zram making zram mkswap and swapon: OK"
189 			echo "FAIL swapoff /dev/zram$i failed"
194 	echo "zram swapoff: OK"
204 		echo "make $fs filesystem on /dev/zram$i"
208 			echo "FAIL failed to make $fs on /dev/zram$i"
211 		echo "zram mkfs.$fs: OK"
219 		echo "mount /dev/zram$i"
222 			echo "FAIL mount /dev/zram$i failed"
226 	echo "zram mount of zram device(s): OK"