[PATCH v2 00/11] introduce crypto wait for async op

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Many users of kernel async. crypto services have a pattern of
starting an async. crypto op and than using a completion
to wait for it to end, resulting of the same code repeating
itself in multiple places, sometime with coding errors.

This patch aims to introduce a generic "wait for async.
crypto op to complete" functions and move all the users
I could find to use it.  This gets rid of almost 300
lines of code and uncovered a few bugs in existing code
(separate bug fix patch set sent previously).

The patch set was boot tested on x86_64 and arm64 which
at the very least tests the crypto users via testmgr
but I am less confident regarding some of the other
users and would love more testers.
 
Changes from v1:
- Address review comments from Eric Biggers.
- Separated out bug fixes of existing code and rebase
  on top of that patch set.
- Rename 'ecr' to 'wait' in fscrypto code.
- Split patch introducing the new API from the change
  moving over the algif code which it originated from
  to the new API.
- Inline crypto_wait_req().
- Some code indentation fixes.

Gilad Ben-Yossef (11):
  crypto: introduce crypto wait for async op
  crypto: move algif to generic async completion
  crypto: move pub key to generic async completion
  crypto: move drbg to generic async completion
  crypto: move gcm to generic async completion
  crypto: move testmgr to generic async completion
  dm: move dm-verity to generic async completion
  fscrypt: move to generic async completion
  cifs: move to generic async completion
  ima: move to generic async completion
  crypto: adapt api sample to use async. op wait

 Documentation/crypto/api-samples.rst |  52 ++--------
 crypto/af_alg.c                      |  27 -----
 crypto/algif_aead.c                  |  14 +--
 crypto/algif_hash.c                  |  29 +++---
 crypto/algif_skcipher.c              |  15 ++-
 crypto/api.c                         |  13 +++
 crypto/asymmetric_keys/public_key.c  |  28 +-----
 crypto/drbg.c                        |  34 ++-----
 crypto/gcm.c                         |  32 ++----
 crypto/testmgr.c                     | 184 +++++++++++------------------------
 drivers/md/dm-verity-target.c        |  81 ++++-----------
 drivers/md/dm-verity.h               |   5 -
 fs/cifs/smb2ops.c                    |  30 +-----
 fs/crypto/crypto.c                   |  28 +-----
 fs/crypto/fname.c                    |  36 ++-----
 fs/crypto/fscrypt_private.h          |  10 --
 fs/crypto/keyinfo.c                  |  21 +---
 include/crypto/drbg.h                |   3 +-
 include/crypto/if_alg.h              |  14 ---
 include/linux/crypto.h               |  41 ++++++++
 security/integrity/ima/ima_crypto.c  |  56 ++++-------
 21 files changed, 220 insertions(+), 533 deletions(-)

-- 
2.1.4

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