#!/bin/bash
# Set performance settings for SSD

for d in /sys/block/sd*; do
        FROT="$d/queue/rotational"
        if [ -r "$FROT" ]; then
                ISHDD=$(cat "$FROT")
                if [ $ISHDD -eq "0" ]; then
                        echo "Changing settings for $d..."
                        echo "noop" > "$d/queue/scheduler"
                        echo "32768" >"$d/queue/nr_requests"
                fi
        fi
done