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Test script:
<code bash>
#!/bin/bash

bd=/dev/mmcblk0p6
mp=/media/big

fgrep -q $bd /etc/mtab && umount $bd
mkfs.ext4 -q -m1 $bd
mount -o noatime,nodiratime,discard $bd $mp
#mkfs.btrfs $bd
#mount -o noatime,nodiratime,discard,ssd,compress=zlib $bd $mp
cd $mp
cp ~/Downloads/marvin24-marvin24s-kernel-l4t-r16-ac100.tar.gz ./
echo "Unzip test"
time tar -xzf marvin24-marvin24s-kernel-l4t-r16-ac100.tar.gz 
echo "Del test"
time rm -rf ac100-marvin24s-kernel
</code>

Results:
  *  ext4 noatime,nodiratime,discard
<code>
Unzip test
real	2m14.023s
user	0m27.990s
sys	0m19.360s

Del test
real	1m10.995s
user	0m0.320s
sys	0m9.750s
</code>
  *  nilfs2 noatime,nodiratime,discard
<code>
Unzip test
real    1m42.091s
user    0m37.550s
sys     0m24.060s

Del test
real    0m8.791s
user    0m0.350s
sys     0m5.580s
</code>
  *  btrfs noatime,nodiratime,discard,ssd,compress=lzo
<code>
Unzip test
real    1m50.623s
user    0m30.640s
sys     0m26.480s

Del test
real    0m11.551s
user    0m0.100s
sys     0m10.810s
</code>

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