On Monday, 16 January 2017 at 16:32, Jan Kurik wrote: [...]
== Detailed Description == User base of Fedora distribution with SSDs grows steadily and while the argument for kernel default setting not to enable the discard is still strong one it doesn't change the fact that vast majority of users (with SSDs) doesn't want to sacrifice better performance of drive with discard/trim enabled for the sake of secrecy.
How do you know that it's a vast majority?
[...]
For LUKS1 metadata format we don't have a space to store the new default in metadata and therefore we can't flip the default for new LUKS1 devices being formated via libcryptsetup or cryptsetup utility.
Changing the kernel default is of the table due to risk of data
^ I think you missed an 'f' here.----|
corruption with some TrueCrypt configurations involving hidden volumes.
For rotational devices the cost of enabled discard is negligible
How have you measured that? What is the exact value?
Regards, Dominik