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authorLinus Torvalds2020-08-03 10:09:59 -0700
committerLinus Torvalds2020-08-03 10:09:59 -0700
commit690b25675f5c9c082cb1b902e6d21dd956754e7e (patch)
tree2a8a5140631753d64d4ef7e53c17bb2fe1f73654 /fs/isofs
parent6dec9f406c1f2de6d750de0fc9d19872d9c4bf0d (diff)
parent55e32c54bbd5741cad462c9ee00c453c72fa74b9 (diff)
Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers: "This release, we add support for inline encryption via the blk-crypto framework which was added in 5.8. Now when an ext4 or f2fs filesystem is mounted with '-o inlinecrypt', the contents of encrypted files will be encrypted/decrypted via blk-crypto, instead of directly using the crypto API. This model allows taking advantage of the inline encryption hardware that is integrated into the UFS or eMMC host controllers on most mobile SoCs. Note that this is just an alternate implementation; the ciphertext written to disk stays the same. (This pull request does *not* include support for direct I/O on encrypted files, which blk-crypto makes possible, since that part is still being discussed.) Besides the above feature update, there are also a few fixes and cleanups, e.g. strengthening some memory barriers that may be too weak. All these patches have been in linux-next with no reported issues. I've also tested them with the fscrypt xfstests, as usual. It's also been tested that the inline encryption support works with the support for Qualcomm and Mediatek inline encryption hardware that will be in the scsi pull request for 5.9. Also, several SoC vendors are already using a previous, functionally equivalent version of these patches" * tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: fscrypt: don't load ->i_crypt_info before it's known to be valid fscrypt: document inline encryption support fscrypt: use smp_load_acquire() for ->i_crypt_info fscrypt: use smp_load_acquire() for ->s_master_keys fscrypt: use smp_load_acquire() for fscrypt_prepared_key fscrypt: switch fscrypt_do_sha256() to use the SHA-256 library fscrypt: restrict IV_INO_LBLK_* to AES-256-XTS fscrypt: rename FS_KEY_DERIVATION_NONCE_SIZE fscrypt: add comments that describe the HKDF info strings ext4: add inline encryption support f2fs: add inline encryption support fscrypt: add inline encryption support fs: introduce SB_INLINECRYPT
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