[GIT PULL] fscrypt updates for 5.16

[Eric Biggers]

The following changes since commit e4e737bb5c170df6135a127739a9e6148ee3da82:

  Linux 5.15-rc2 (2021-09-19 17:28:22 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/fs/fscrypt/fscrypt.git tags/fscrypt-for-linus

for you to fetch changes up to b7e072f9b77f4c516df96e0c22ec09f8b2e76ba1:

  fscrypt: improve a few comments (2021-10-25 19:11:50 -0700)

----------------------------------------------------------------

Some cleanups for fs/crypto/:

- Allow 256-bit master keys with AES-256-XTS

- Improve documentation and comments

- Remove unneeded field fscrypt_operations::max_namelen

----------------------------------------------------------------
Eric Biggers (5):
      fscrypt: remove fscrypt_operations::max_namelen
      fscrypt: clean up comments in bio.c
      fscrypt: improve documentation for inline encryption
      fscrypt: allow 256-bit master keys with AES-256-XTS
      fscrypt: improve a few comments

 Documentation/block/inline-encryption.rst |  2 +
 Documentation/filesystems/fscrypt.rst     | 83 +++++++++++++++++++++++--------
 fs/crypto/bio.c                           | 32 ++++++------
 fs/crypto/fname.c                         |  3 +-
 fs/crypto/fscrypt_private.h               | 16 ++++--
 fs/crypto/hkdf.c                          | 11 ++--
 fs/crypto/keysetup.c                      | 62 +++++++++++++++++------
 fs/ext4/super.c                           |  1 -
 fs/f2fs/super.c                           |  1 -
 fs/ubifs/crypto.c                         |  1 -
 include/linux/fscrypt.h                   |  3 --
 11 files changed, 150 insertions(+), 65 deletions(-)