5:02 a.m.
Dan Williams <dan.j.williams(a)intel.com> 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