zram device attributes max_comp_streams and comp_algorithm are introduced
since kernel v3.15, and mem_limit is introduced since kernel v3.18, we
need to add these check.
Signed-off-by: Xiaoguang Wang <wangxg.f...@cn.fujitsu.com>
---
testcases/kernel/device-drivers/zram/zram_lib.sh | 32 +++++++++++++++++++++---
1 file changed, 29 insertions(+), 3 deletions(-)
diff --git a/testcases/kernel/device-drivers/zram/zram_lib.sh
b/testcases/kernel/device-drivers/zram/zram_lib.sh
index e41d8c7..d3e62e0 100755
--- a/testcases/kernel/device-drivers/zram/zram_lib.sh
+++ b/testcases/kernel/device-drivers/zram/zram_lib.sh
@@ -62,7 +62,15 @@ zram_load()
zram_max_streams()
{
- tst_resm TINFO "set max_comp_streams to zram device(s)"
+ tst_kvercmp 3 15 0
+ if [ $? -eq 0 ]; then
+ tst_resm TCONF "device attribute max_comp_streams is"\
+ "introduced since kernel v3.15, the running kernel"\
+ "does not support it"
+ return
+ else
+ tst_resm TINFO "set max_comp_streams to zram device(s)"
+ fi
local i=0
for max_s in $zram_max_streams; do
@@ -83,7 +91,16 @@ zram_max_streams()
zram_compress_alg()
{
- tst_resm TINFO "test that we can set compression algorithm"
+ tst_kvercmp 3 15 0
+ if [ $? -eq 0 ]; then
+ tst_resm TCONF "device attribute comp_algorithm is"\
+ "introduced since kernel v3.15, the running kernel"\
+ "does not support it"
+ return
+ else
+ tst_resm TINFO "test that we can set compression algorithm"
+ fi
+
local algs=$(cat /sys/block/zram0/comp_algorithm)
tst_resm TINFO "supported algs: $algs"
local i=0
@@ -116,7 +133,16 @@ zram_set_disksizes()
zram_set_memlimit()
{
- tst_resm TINFO "set memory limit to zram device(s)"
+ tst_kvercmp 3 18 0
+ if [ $? -eq 0 ]; then
+ tst_resm TCONF "device attribute mem_limit is"\
+ "introduced since kernel v3.18, the running kernel"\
+ "does not support it"
+ return
+ else
+ tst_resm TINFO "set memory limit to zram device(s)"
+ fi
+
local i=0
for ds in $zram_mem_limits; do
local sys_path="/sys/block/zram${i}/mem_limit"
--
1.8.3.1
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