1 #!/bin/bash 1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0-or-later 2 # SPDX-License-Identifier: GPL-2.0-or-later
3 # Copyright (c) 2015 Oracle and/or its affilia 3 # Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
4 # 4 #
5 # Test checks that we can create swap zram dev 5 # Test checks that we can create swap zram device.
6 # 6 #
7 # Author: Alexey Kodanev <alexey.kodanev@oracle 7 # Author: Alexey Kodanev <alexey.kodanev@oracle.com>
8 # Modified: Naresh Kamboju <naresh.kamboju@lina 8 # Modified: Naresh Kamboju <naresh.kamboju@linaro.org>
9 9
10 TCID="zram02" 10 TCID="zram02"
11 ERR_CODE=0 11 ERR_CODE=0
12 12
13 . ./zram_lib.sh 13 . ./zram_lib.sh
14 14
15 # Test will create the following number of zra 15 # Test will create the following number of zram devices:
16 dev_num=1 16 dev_num=1
17 # This is a list of parameters for zram device 17 # This is a list of parameters for zram devices.
18 # Number of items must be equal to 'dev_num' p 18 # Number of items must be equal to 'dev_num' parameter.
19 zram_max_streams="2" 19 zram_max_streams="2"
20 20
21 # The zram sysfs node 'disksize' value can be 21 # The zram sysfs node 'disksize' value can be either in bytes,
22 # or you can use mem suffixes. But in some old 22 # or you can use mem suffixes. But in some old kernels, mem
23 # suffixes are not supported, for example, in 23 # suffixes are not supported, for example, in RHEL6.6GA's kernel
24 # layer, it uses strict_strtoull() to parse di 24 # layer, it uses strict_strtoull() to parse disksize which does
25 # not support mem suffixes, in some newer kern 25 # not support mem suffixes, in some newer kernels, they use
26 # memparse() which supports mem suffixes. So h 26 # memparse() which supports mem suffixes. So here we just use
27 # bytes to make sure everything works correctl 27 # bytes to make sure everything works correctly.
28 zram_sizes="1048576" # 1M 28 zram_sizes="1048576" # 1M
29 zram_mem_limits="1M" 29 zram_mem_limits="1M"
30 30
31 check_prereqs 31 check_prereqs
32 zram_load 32 zram_load
33 zram_max_streams 33 zram_max_streams
34 zram_set_disksizes 34 zram_set_disksizes
35 zram_set_memlimit 35 zram_set_memlimit
36 zram_makeswap 36 zram_makeswap
37 zram_swapoff 37 zram_swapoff
38 zram_cleanup 38 zram_cleanup
39 39
40 if [ $ERR_CODE -ne 0 ]; then 40 if [ $ERR_CODE -ne 0 ]; then
41 echo "$TCID : [FAIL]" 41 echo "$TCID : [FAIL]"
42 else 42 else
43 echo "$TCID : [PASS]" 43 echo "$TCID : [PASS]"
44 fi 44 fi
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