1 #!/bin/bash 1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0-or-later <<
3 # Copyright (c) 2015 Oracle and/or its affilia 2 # Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
>> 3 #
>> 4 # This program is free software; you can redistribute it and/or
>> 5 # modify it under the terms of the GNU General Public License as
>> 6 # published by the Free Software Foundation; either version 2 of
>> 7 # the License, or (at your option) any later version.
>> 8 #
>> 9 # This program is distributed in the hope that it would be useful,
>> 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
>> 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> 12 # GNU General Public License for more details.
4 # 13 #
5 # Test checks that we can create swap zram dev 14 # Test checks that we can create swap zram device.
6 # 15 #
7 # Author: Alexey Kodanev <alexey.kodanev@oracle 16 # Author: Alexey Kodanev <alexey.kodanev@oracle.com>
8 # Modified: Naresh Kamboju <naresh.kamboju@lina 17 # Modified: Naresh Kamboju <naresh.kamboju@linaro.org>
9 18
10 TCID="zram02" 19 TCID="zram02"
11 ERR_CODE=0 20 ERR_CODE=0
12 21
13 . ./zram_lib.sh 22 . ./zram_lib.sh
14 23
15 # Test will create the following number of zra 24 # Test will create the following number of zram devices:
16 dev_num=1 25 dev_num=1
17 # This is a list of parameters for zram device 26 # This is a list of parameters for zram devices.
18 # Number of items must be equal to 'dev_num' p 27 # Number of items must be equal to 'dev_num' parameter.
19 zram_max_streams="2" 28 zram_max_streams="2"
20 29
21 # The zram sysfs node 'disksize' value can be 30 # The zram sysfs node 'disksize' value can be either in bytes,
22 # or you can use mem suffixes. But in some old 31 # or you can use mem suffixes. But in some old kernels, mem
23 # suffixes are not supported, for example, in 32 # suffixes are not supported, for example, in RHEL6.6GA's kernel
24 # layer, it uses strict_strtoull() to parse di 33 # layer, it uses strict_strtoull() to parse disksize which does
25 # not support mem suffixes, in some newer kern 34 # not support mem suffixes, in some newer kernels, they use
26 # memparse() which supports mem suffixes. So h 35 # memparse() which supports mem suffixes. So here we just use
27 # bytes to make sure everything works correctl 36 # bytes to make sure everything works correctly.
28 zram_sizes="1048576" # 1M 37 zram_sizes="1048576" # 1M
29 zram_mem_limits="1M" 38 zram_mem_limits="1M"
30 39
31 check_prereqs 40 check_prereqs
32 zram_load 41 zram_load
33 zram_max_streams 42 zram_max_streams
34 zram_set_disksizes 43 zram_set_disksizes
35 zram_set_memlimit 44 zram_set_memlimit
36 zram_makeswap 45 zram_makeswap
37 zram_swapoff 46 zram_swapoff
38 zram_cleanup 47 zram_cleanup
39 48
40 if [ $ERR_CODE -ne 0 ]; then 49 if [ $ERR_CODE -ne 0 ]; then
41 echo "$TCID : [FAIL]" 50 echo "$TCID : [FAIL]"
42 else 51 else
43 echo "$TCID : [PASS]" 52 echo "$TCID : [PASS]"
44 fi 53 fi
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