Hi Ping
Best Regards
Yang Xu
> Since kernel commit 43209ea2d17a ("zram: remove max_comp_streams internals"), zram has
> switched to per-cpu streams. Even kernel still keep this interface for some reasons, but
> writing to max_comp_stream doesn't take any effect. So remove it.
>
> Signed-off-by: Yang Xu<xuyang2018.jy@xxxxxxxxxxx>
> ---
> tools/testing/selftests/zram/zram01.sh | 4 ----
> tools/testing/selftests/zram/zram02.sh | 4 ----
> tools/testing/selftests/zram/zram_lib.sh | 22 ----------------------
> 3 files changed, 30 deletions(-)
>
> diff --git a/tools/testing/selftests/zram/zram01.sh b/tools/testing/selftests/zram/zram01.sh
> index 114863d9fb87..28583e4ae546 100755
> --- a/tools/testing/selftests/zram/zram01.sh
> +++ b/tools/testing/selftests/zram/zram01.sh
> @@ -15,9 +15,6 @@ ERR_CODE=0
>
> # Test will create the following number of zram devices:
> dev_num=1
> -# This is a list of parameters for zram devices.
> -# Number of items must be equal to 'dev_num' parameter.
> -zram_max_streams="2"
>
> # The zram sysfs node 'disksize' value can be either in bytes,
> # or you can use mem suffixes. But in some old kernels, mem
> @@ -72,7 +69,6 @@ zram_fill_fs()
>
> check_prereqs
> zram_load
> -zram_max_streams
> zram_compress_alg
> zram_set_disksizes
> zram_set_memlimit
> diff --git a/tools/testing/selftests/zram/zram02.sh b/tools/testing/selftests/zram/zram02.sh
> index e83b404807c0..d664974a1317 100755
> --- a/tools/testing/selftests/zram/zram02.sh
> +++ b/tools/testing/selftests/zram/zram02.sh
> @@ -14,9 +14,6 @@ ERR_CODE=0
>
> # Test will create the following number of zram devices:
> dev_num=1
> -# This is a list of parameters for zram devices.
> -# Number of items must be equal to 'dev_num' parameter.
> -zram_max_streams="2"
>
> # The zram sysfs node 'disksize' value can be either in bytes,
> # or you can use mem suffixes. But in some old kernels, mem
> @@ -30,7 +27,6 @@ zram_mem_limits="1M"
>
> check_prereqs
> zram_load
> -zram_max_streams
> zram_set_disksizes
> zram_set_memlimit
> zram_makeswap
> diff --git a/tools/testing/selftests/zram/zram_lib.sh b/tools/testing/selftests/zram/zram_lib.sh
> index 6f872f266fd1..0c49f9d1d563 100755
> --- a/tools/testing/selftests/zram/zram_lib.sh
> +++ b/tools/testing/selftests/zram/zram_lib.sh
> @@ -82,28 +82,6 @@ zram_load()
> fi
> }
>
> -zram_max_streams()
> -{
> - echo "set max_comp_streams to zram device(s)"
> -
> - local i=0
> - for max_s in $zram_max_streams; do
> - local sys_path="/sys/block/zram${i}/max_comp_streams"
> - echo $max_s> $sys_path || \
> - echo "FAIL failed to set '$max_s' to $sys_path"
> - sleep 1
> - local max_streams=$(cat $sys_path)
> -
> - [ "$max_s" -ne "$max_streams" ]&& \
> - echo "FAIL can't set max_streams '$max_s', get $max_stream"
> -
> - i=$(($i + 1))
> - echo "$sys_path = '$max_streams' ($i/$dev_num)"
> - done
> -
> - echo "zram max streams: OK"
> -}
> -
> zram_compress_alg()
> {
> echo "test that we can set compression algorithm"
