dmsetup remove_all wipefs -a --force /dev/sdb1 mkfs -t xfs -f -mreflink=0 /dev/sdb1 mkdir -p /fs/sdb1 modprobe xfs mount -t xfs -o inode64 /dev/sdb1 /fs/sdb1 mkdir /export mount -t tmpfs nfsv4_root_export /export mkdir -p /export//fs/sdb1 mount --bind /fs/sdb1 /export//fs/sdb1 echo '/export//fs/sdb1 *(rw,no_subtree_check,no_root_squash)' >> /etc/exports systemctl restart rpcbind systemctl restart rpc-statd systemctl restart nfs-idmapd systemctl restart nfs-server mkdir -p /nfs/sdb1 timeout 5m mount -t nfs -o vers=4 localhost:/fs/sdb1 /nfs/sdb1 touch /nfs/sdb1/wait_for_nfs_grace_period sync echo 3 > /proc/sys/vm/drop_caches for cpu_dir in /sys/devices/system/cpu/cpu[0-9]* do online_file="$cpu_dir"/online [ -f "$online_file" ] && [ "$(cat "$online_file")" -eq 0 ] && continue file="$cpu_dir"/cpufreq/scaling_governor [ -f "$file" ] && echo "performance" > "$file" done filebench -f /lkp/benchmarks/filebench/share/filebench/workloads/filemicro_rwritefsync.f sleep 100 rm -rf /nfs/sdb1/bigfile /nfs/sdb1/wait_for_nfs_grace_period