Re: [PATCH v2 0/7] test_dummy_encryption fixes and cleanups

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On 05/09, Eric Biggers wrote:
> On Sat, Apr 30, 2022 at 10:08:50PM -0700, Eric Biggers wrote:
> > This series cleans up and fixes the way that ext4 and f2fs handle the
> > test_dummy_encryption mount option:
> > 
> > - Patches 1-2 make test_dummy_encryption consistently require that the
> >   'encrypt' feature flag already be enabled and that
> >   CONFIG_FS_ENCRYPTION be enabled.  Note, this will cause xfstest
> >   ext4/053 to start failing; my xfstests patch "ext4/053: update the
> >   test_dummy_encryption tests" will fix that.
> > 
> > - Patches 3-7 replace the fscrypt_set_test_dummy_encryption() helper
> >   function with new functions that work properly with the new mount API,
> >   by splitting up the parsing, checking, and applying steps.  These fix
> >   bugs that were introduced when ext4 started using the new mount API.
> > 
> > We can either take all these patches through the fscrypt tree, or we can
> > take them in multiple cycles as follows:
> > 
> >     1. patch 1 via ext4, patch 2 via f2fs, patch 3-4 via fscrypt
> >     2. patch 5 via ext4, patch 6 via f2fs
> >     3. patch 7 via fscrypt
> > 
> > Ted and Jaegeuk, let me know what you prefer.
> > 
> > Changed v1 => v2:
> >     - Added patches 2-7
> >     - Also reject test_dummy_encryption when !CONFIG_FS_ENCRYPTION
> > 
> > Eric Biggers (7):
> >   ext4: only allow test_dummy_encryption when supported
> >   f2fs: reject test_dummy_encryption when !CONFIG_FS_ENCRYPTION
> >   fscrypt: factor out fscrypt_policy_to_key_spec()
> >   fscrypt: add new helper functions for test_dummy_encryption
> >   ext4: fix up test_dummy_encryption handling for new mount API
> >   f2fs: use the updated test_dummy_encryption helper functions
> >   fscrypt: remove fscrypt_set_test_dummy_encryption()
> 
> Since I haven't heard from anyone, I've gone ahead and applied patches 3-4 to
> fscrypt#master for 5.19, so that the filesystem-specific patches can be taken in
> 5.20.  But patches 1-2 could still be applied now.

Hi Eric,

Let me apply #2 in the f2fs tree first.
You can put "Acked-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>" in #6.

Thanks,

> 
> Any feedback on this series would be greatly appreciated!
> 
> - Eric



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