[Galaxy S II Original Android Development] greatmagician:
Why the tweaks.sh give me error

Command:
'/sbin/siyah/tweaks.sh'
-------------
Out:
exec sh '/sbin/siyah/tweaks.sh'
# exec sh '/sbin/siyah/tweaks.sh'
/sbin/siyah/tweaks.sh: cannot create /sys/block/mmcblk0:/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create /sys/block/mmcblk0:/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create /sys/block/mmcblk0:/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create /sys/block/mmcblk0:/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create /sys/block/mmcblk0:/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create /sys/block/mmcblk0:/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create /sys/block/mmcblk0:/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create /sys/block/mmcblk0:/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create alignment_offset/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create alignment_offset/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create alignment_offset/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create alignment_offset/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create alignment_offset/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create alignment_offset/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create alignment_offset/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create alignment_offset/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create bdi/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create bdi/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create bdi/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create bdi/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create bdi/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create bdi/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create bdi/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create bdi/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create capability/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create capability/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create capability/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create capability/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create capability/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create capability/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create capability/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create capability/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create dev/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create dev/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create dev/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create dev/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create dev/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create dev/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create dev/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create dev/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create device/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create device/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create device/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create device/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create device/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create device/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create device/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create device/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create discard_alignment/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create discard_alignment/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create discard_alignment/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create discard_alignment/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create discard_alignment/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create discard_alignment/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create discard_alignment/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create discard_alignment/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create ext_range/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create ext_range/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create ext_range/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create ext_range/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create ext_range/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create ext_range/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create ext_range/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create ext_range/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create holders/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create holders/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create holders/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create holders/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create holders/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create holders/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create holders/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create holders/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create inflight/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create inflight/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create inflight/queue/iosched/group_isolation: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create inflight/queue/iosched/quantum: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create inflight/queue/iosched/low_latency: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create inflight/queue/iosched/slice_idle: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create inflight/queue/iosched/back_seek_penalty: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create inflight/queue/iosched/back_seek_max: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create mmcblk0p1/queue/rotational: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create mmcblk0p1/queue/iostats: directory nonexistent
/sbin/siyah/tweaks.sh: cannot create mmcblk0p1/queue/iosc