christoph@thinkpad:~$ sudo wiper.sh --commit --verbose /dev/sda1
[sudo] password for christoph:
wiper.sh: Linux SATA SSD TRIM utility, version 2.8, by Mark Lord.
rootdev=/dev/sda1
fsmode2: fsmode=read-write
/: fstype=ext4
freesize = 12852576 KB, reserved = 128525 KB
Preparing for online TRIM of free space on /dev/sda1 (ext4 mounted read-write at /).
This operation could silently destroy your data. Are you sure (y/N)? y
Creating temporary file (12724051 KB)..
Syncing disks..
Beginning TRIM operations..
get_trimlist=/sbin/hdparm --fibmap WIPER_TMPFILE.2356
/dev/sda:
trimming 3768318 sectors from 64 ranges
succeeded
trimming 3850240 sectors from 64 ranges
succeeded
trimming 3768321 sectors from 64 ranges
succeeded
trimming 3883007 sectors from 64 ranges
succeeded
trimming 3194882 sectors from 64 ranges
succeeded
trimming 3522560 sectors from 64 ranges
succeeded
trimming 3309566 sectors from 64 ranges
succeeded
trimming 151210 sectors from 3 ranges
succeeded
Removing temporary file..
Syncing disks..
Done.
christoph@thinkpad:~$