Re: [PATCH 0/4] fscrypt: make '-o test_dummy_encryption' support v2 policies

[Eric Biggers <ebiggers@kernel.org>]

On Tue, May 12, 2020 at 04:32:47PM -0700, Eric Biggers wrote:
> v1 encryption policies are deprecated in favor of v2, and some new
> features (e.g. encryption+casefolding) are only being added for v2.
> 
> As a result, the "test_dummy_encryption" mount option (which is used for
> encryption I/O testing with xfstests) needs to support v2 policies.
> 
> Therefore, this patchset adds support for specifying
> "test_dummy_encryption=v2" (or "test_dummy_encryption=v1").
> To make this possible, it reworks the way the test_dummy_encryption
> mount option is handled to make it more flexible than a flag, and to
> automatically add the test dummy key to the filesystem's keyring.
> 
> Patch 4 additionally changes the default to "v2".
> 
> This patchset applies to v5.7-rc4.
> 
> Eric Biggers (4):
>   linux/parser.h: add include guards
>   fscrypt: add fscrypt_add_test_dummy_key()
>   fscrypt: support test_dummy_encryption=v2
>   fscrypt: make test_dummy_encryption use v2 by default
> 

All applied to fscrypt.git#master for 5.8
(including the sysfs additions to patch 3, as was discussed)

- Eric