Comment # 9 on bug 997757 from Robert Munteanu

For some reason this looks considerably better to me:

# time fstrim -a -v | tee fstrim.log
/home: 49.3 GiB (52971085824 bytes) trimmed
/boot: 264.1 MiB (276962304 bytes) trimmed

real    0m0.143s
user    0m0.001s
sys    0m0.016s

/boot is an ext4 partition belonging to /dev/sda ( INTEL SSDSC2BB60 )
/home is a logical volume composed out of the above Intel SSD and a SAMSUNG
MZ7LN512 SSD.

I am not sure if anything else is left to be done here, feel free to close.