Re: [RFC 0/6] ext4: Move out crypto ops to ext4_crypto.c

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On 22/04/21 12:24AM, Eric Biggers wrote:
> On Thu, Apr 21, 2022 at 10:53:16AM +0530, Ritesh Harjani wrote:
> > Hello,
> >
> > This is 1st in the series to cleanup ext4/super.c, since it has grown quite large.
> > This moves out crypto related ops and few definitions to fs/ext4/ext4_crypto.c
> >
> > Testing
> > =========
> > 1. Tested "-g encrypt" with default configs.
> > 2. Compiled tested on x86 & Power.
> >
> >
> > Ritesh Harjani (6):
> >   fscrypt: Provide definition of fscrypt_set_test_dummy_encryption
> >   ext4: Move ext4 crypto code to its own file ext4_crypto.c
> >   ext4: Directly opencode ext4_set_test_dummy_encryption
> >   ext4: Cleanup function defs from ext4.h into ext4_crypto.c
> >   ext4: Move all encryption related into a common #ifdef
> >   ext4: Use provided macro for checking dummy_enc_policy
> >
> >  fs/ext4/Makefile        |   1 +
> >  fs/ext4/ext4.h          |  81 +++--------------
> >  fs/ext4/ext4_crypto.c   | 192 ++++++++++++++++++++++++++++++++++++++++
> >  fs/ext4/super.c         | 158 ++++-----------------------------
> >  include/linux/fscrypt.h |   7 ++
> >  5 files changed, 227 insertions(+), 212 deletions(-)
> >  create mode 100644 fs/ext4/ext4_crypto.c
>
> How about calling it crypto.c instead of ext4_crypto.c?  It is already in the
> ext4 directory, so ext4 is implied.

Sure will do so in next revision which can also cover any other comments from
others.

>
> Otherwise this patchset looks good to me.

Sure thanks. May I add your Reviewed-by in next version if I don't see any major
changes?

>
> Did you consider moving any of the other CONFIG_FS_ENCRYPTION code blocks into
> the new file as well?  The implementation of FS_IOC_GET_ENCRYPTION_PWSALT might
> be a good candidate too.

Sure, thanks for pointing out. I will take a look at it for next patch series or
so.

-ritesh



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