linux-kernel - [PATCH 0/2] Simplify the shash wrappers for the CRC32 library

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Message-ID: <20250613183753.31864-1-ebiggers@kernel.org>
Date: Fri, 13 Jun 2025 11:37:51 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: linux-crypto@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	linux-btrfs@...r.kernel.org,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Chris Mason <clm@...com>,
	Josef Bacik <josef@...icpanda.com>,
	David Sterba <dsterba@...e.com>
Subject: [PATCH 0/2] Simplify the shash wrappers for the CRC32 library

This series simplifies how the CRC32 library functions are exposed
through the crypto_shash API.  We'll now have just one shash algorithm
each for "crc32" and "crc32c", and their driver names will just always
be "crc32-lib" and "crc32c-lib" respectively.  This seems to be all
that's actually needed.

As mentioned in patch 2, this does change the content of
/sys/fs/btrfs/$uuid/checksum again, but that should be fine.

This is based on v6.16-rc1, and I'm planning to take these patches
through the crc-next tree.  These supersede
https://lore.kernel.org/r/20250601224441.778374-2-ebiggers@kernel.org/
and
https://lore.kernel.org/r/20250601224441.778374-3-ebiggers@kernel.org/,
and they fix the warning in the full crypto self-tests reported at
https://lore.kernel.org/r/aExLZaoBCg55rZWJ@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com/

Eric Biggers (2):
  btrfs: stop parsing crc32c driver name
  crypto/crc32[c]: register only "-lib" drivers

 crypto/Makefile    |  2 --
 crypto/crc32.c     | 65 +++++----------------------------------------
 crypto/crc32c.c    | 66 ++++------------------------------------------
 crypto/testmgr.c   |  2 ++
 fs/btrfs/disk-io.c |  8 ++----
 5 files changed, 15 insertions(+), 128 deletions(-)

base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494
-- 
2.49.0