+nrs_write_read() {
+ local n=16
+ local dir=$DIR/$tdir
+
+ mkdir $dir || error "mkdir $dir failed"
+ $LFS setstripe -c $OSTCOUNT $dir || error "setstripe to $dir failed"
+
+ do_nodes $CLIENTS dd if=/dev/zero of="$dir/nrs_r_$HOSTNAME"\
+ bs=1M count=$n > /dev/null 2>&1
+
+ for ((i = 0; i < $n; i++)); do
+ do_nodes $CLIENTS dd if=/dev/zero of="$dir/nrs_w_$HOSTNAME"\
+ bs=1M seek=$i count=1 > /dev/null 2>&1 &
+ local pids_w[$i]=$!
+ done
+ do_nodes $CLIENTS sync;
+ cancel_lru_locks osc
+
+ for ((i = 0; i < $n; i++)); do
+ do_nodes $CLIENTS dd if="$dir/nrs_w_$HOSTNAME" of=/dev/zero\
+ bs=1M seek=$i count=1 > /dev/null 2>&1 &
+ local pids_r[$i]=$!
+ done
+ cancel_lru_locks osc
+
+ for ((i = 0; i < $n; i++)); do
+ wait ${pids_w[$i]}
+ wait ${pids_r[$i]}
+ done
+ rm -rf $dir || error "rm -rf $dir failed"
+}
+
+test_77a() { #LU-3266
+ do_facet $SINGLEMDS lctl set_param ost.OSS.*.nrs_policies="fifo"
+ nrs_write_read
+
+ return 0
+}
+run_test 77a "check FIFO NRS policy"
+
+
+test_77b() { #LU-3266
+ do_facet $SINGLEMDS lctl set_param ost.OSS.*.nrs_policies="crrn"
+ do_facet $SINGLEMDS lctl set_param ost.OSS.*.nrs_crrn_quantum=1
+
+ echo "policy: crr-n, crrn_quantum 1"
+ nrs_write_read
+
+ do_facet $SINGLEMDS lctl set_param ost.OSS.*.nrs_crrn_quantum=64
+
+ echo "policy: crr-n, crrn_quantum 64"
+ nrs_write_read
+
+ return 0
+}
+run_test 77b "check CRR-N NRS policy"
+
+orr_trr() {
+ local policy=$1
+
+ for i in $(seq 1 $OSTCOUNT)
+ do
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.ost_io.nrs_policies=$policy
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.*.nrs_"$policy"_quantum=1
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.*.nrs_"$policy"_offset_type="physical"
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.*.nrs_"$policy"_supported="reads"
+ done
+
+ echo "policy: $policy, ${policy}_quantum 1, ${policy}_offset_type \
+ physical, ${policy}_supported reads"
+ nrs_write_read
+
+ for i in $(seq 1 $OSTCOUNT)
+ do
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.*.nrs_${policy}_supported="writes"
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.*.nrs_${policy}_quantum=64
+ done
+ echo "policy: $policy, ${policy}_quantum 64, \
+ ${policy}_offset_type physical, ${policy}_supported writes"
+ nrs_write_read
+
+ for i in $(seq 1 $OSTCOUNT)
+ do
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.*.nrs_${policy}_supported="reads_and_writes"
+ do_facet ost"$i" lctl set_param \
+ ost.OSS.*.nrs_${policy}_offset_type="logical"
+ done
+ echo "policy: $policy, ${policy}_quantum 64, \
+ ${policy}_offset_type logical, ${policy}_supported reads_and_writes"
+ nrs_write_read
+
+ return 0
+}
+
+test_77c() { #LU-3266
+ orr_trr "orr"
+ return 0
+}
+run_test 77c "check ORR NRS policy"
+
+test_77d() { #LU-3266
+ orr_trr "trr"
+ return 0
+}
+run_test 77d "check TRR nrs policy"
+