Dan Williams <[email protected]> writes:
> +check_min_kver()
> +{
> + local ver="$1"
> + : "${KVER:=$(uname -r)}"
> +
> + [ -n "$ver" ] || return 1
> + [[ "$ver" == "$(echo -e "$ver\n$KVER" | sort -V | head -1)" ]]
> +}
> +
> +check_min_kver "4.11" || { echo "kernel $KVER may lack latest device-dax
> fixes"; exit $rc; }
Can we stop with this kernel version checking, please? Test to see if
you can create a device dax instance. If not, skip the test. If so,
and if you have a kernel that isn't fixed, so be it, you'll get
failures.
> +
> +set -e
> +trap 'err $LINENO' ERR
> +
> +if ! fio --enghelp | grep -q "dev-dax"; then
> + echo "fio lacks dev-dax engine"
> + exit 77
> +fi
> +
> +dev=$(./dax-dev)
> +for align in 4k 2m 1g
> +do
> + json=$($NDCTL create-namespace -m dax -a $align -f -e $dev)
> + chardev=$(echo $json | jq -r ". | select(.mode == \"dax\") |
> .daxregion.devices[0].chardev")
> + if [ align = "1g" ]; then
> + bs="1g"
> + else
> + bs="2m"
> + fi
I'm not sure the blocksize even matters.
Cheers,
Jeff
> +
> + cat > fio.job <<- EOF
> + [global]
> + ioengine=dev-dax
> + direct=0
> + filename=/dev/${chardev}
> + verify=crc32c
> + bs=${bs}
> +
> + [write]
> + rw=write
> + runtime=5
> +
> + [read]
> + stonewall
> + rw=read
> + runtime=5
> + EOF
> +
> + rc=1
> + fio fio.job 2>&1 | tee fio.log
> +
> + if grep -q "fio.*got signal" fio.log; then
> + echo "test/device-dax-fio.sh: failed with align: $align"
> + exit 1
> + fi
> +
> + # revert namespace to raw mode
> + json=$($NDCTL create-namespace -m raw -f -e $dev)
> + mode=$(echo $json | jq -r ".mode")
> + [ $mode != "memory" ] && echo "fail: $LINENO" && exit 1
> +done
> +
> +exit 0
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