1a - Shrink ext4 on /dev/sdc6 from 10.00 GiB to 9.00 GiB -> 1b
1b - Shrink partition /dev/sdc6 from 10.00 GiB to 9.00 GiB -> 2
2 - Delete logical partition /dev/sdc5 (10.00 GiB) ->
